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115-523: The Ford Focus Electric is a 5-door hatchback electric car that was produced by Ford . The Focus Electric is Ford's second production all-electric vehicle (the first being the Ford Ranger EV ), and was made from December 2011 to May 2018. The Focus Electric uses the same body (or glider ) as the gasoline powered third generation Ford Focus . On introduction in 2011 it had a 23  kWh liquid-cooled lithium-ion battery pack, which delivered

230-543: A US$ 795 destination charge, but before the US$ 7,500 US federal tax credit , along with other state and local incentives available for eligible buyers of plug-in electric vehicles . The 2012 Focus Electric is eligible in California to a US$ 2,500 rebate through the state's Clean Vehicle Rebate Project (CVRP), and also was granted free access to California's high-occupancy vehicle lanes (HOV) for solo drivers. In 2012,

345-399: A ferromagnetic core. Electric current passing through the wire causes the magnetic field to exert a force ( Lorentz force ) on it, turning the rotor. Windings are coiled wires, wrapped around a laminated, soft, iron, ferromagnetic core so as to form magnetic poles when energized with current. Electric machines come in salient- and nonsalient-pole configurations. In a salient-pole motor

460-430: A magnetic field that passes through the rotor armature, exerting force on the rotor windings. The stator core is made up of many thin metal sheets that are insulated from each other, called laminations. These laminations are made of electrical steel , which has a specified magnetic permeability, hysteresis, and saturation. Laminations reduce losses that would result from induced circulating eddy currents that would flow if

575-626: A range of 76 mi (122 km) according to the United States Environmental Protection Agency . For the 2017 model this was upgraded to a 33.5  kWh liquid-cooled lithium-ion battery pack which delivers a range of 115 mi (185 km) according to the United States Environmental Protection Agency . The agency rated the Focus Electric combined fuel economy at 105 miles per gallon gasoline equivalent (2.2 L/100 km) for

690-470: A 'Countryman' version of the Austin A40 Farina two‑box economy car in 1959. Just like its A30 and A35 Countryman predecessors, it was a very small estate car — but instead of regular, sideways opening rear doors, it had a horizontally split tailgate, having a top-hinged upper door and bottom-hinged lower door. The 1959 A40 Countryman differed from the 1958 A40 Farina saloon, in that

805-404: A 100- horsepower induction motor currently has the same mounting dimensions as a 7.5-horsepower motor in 1897. In 2022, electric motor sales were estimated to be 800 million units, increasing by 10% annually. Electric motors consume ≈50% of the world's electricity. Since the 1980s, the market share of DC motors has declined in favor of AC motors. An electric motor has two mechanical parts:

920-431: A 20-hp squirrel cage and a 100-hp wound rotor with a starting rheostat. These were the first three-phase asynchronous motors suitable for practical operation. Since 1889, similar developments of three-phase machinery were started Wenström. At the 1891 Frankfurt International Electrotechnical Exhibition, the first long distance three-phase system was successfully presented. It was rated 15 kV and extended over 175 km from

1035-469: A 5-door hatchback or a 5-door station wagon. Often the hatchback and the sedan shared the same wheelbase and the same overall length, and the full rear overhang length of a conventional sedan trunk was retained on the five-door hatchback version of the car. The 1989-2000 Citroën XM and second-generation Skoda Superb (2008-2015) are cars that blur the line between hatchbacks and sedans. They feature an innovative "Twindoor" trunk lid. It can be opened like in

1150-439: A 5-door more horizontal hatch, for which the term Liftback was used. The first production hatchback was made by Citroën in 1938: the (11CV) "Commerciale" version of their 1934–1957 Citroën Traction Avant series. The initial target market was tradesmen who needed to carry bulky objects, like butchers, bakers, vintners, and grocers. Before World War II , the tailgate had two pieces, a top section hinged from roof level and

1265-455: A battery of an all-electric vehicle similar to that of the Focus Electric weighs around 600 to 700 pounds and costs about US$ 12,000 to US$ 15,000, or between US$ 522 and US$ 650 a kilowatt-hour. Researchers estimate that the production of the battery emits 140 kg CO 2 per kWh of capacity. The Focus Electric has a top speed of 84 mph (135 km/h). Based on its five-cycle testing, the United States Environmental Protection Agency rated

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1380-531: A bottom section hinged from below. When production of the Commerciale resumed after the war, the tailgate became a one-piece design that was hinged from roof level, as per the design used on most hatchbacks since. In 1949, Kaiser-Frazer introduced the Vagabond and Traveler hatchbacks. These models were styled much like a typical 1940s sedan, fully retaining their three-box profile; however, they included

1495-470: A commutator-type direct-current electric motor was built by American inventors Thomas Davenport and Emily Davenport , which he patented in 1837. The motors ran at up to 600 revolutions per minute, and powered machine tools and a printing press. Due to the high cost of primary battery power , the motors were commercially unsuccessful and bankrupted the Davenports. Several inventors followed Sturgeon in

1610-463: A comparatively small air gap. The St. Louis motor, long used in classrooms to illustrate motor principles, is inefficient for the same reason, as well as appearing nothing like a modern motor. Electric motors revolutionized industry. Industrial processes were no longer limited by power transmission using line shafts, belts, compressed air or hydraulic pressure. Instead, every machine could be equipped with its own power source, providing easy control at

1725-536: A fleet of 15 Ford Focus BEVs and a charging infrastructure in and around the London Borough of Hillingdon from early 2010. This new BEV demonstration fleet is being developed partly with public funding from the UK Government's Technology Strategy Board (TSB) which promotes innovative industry-led projects that reduce CO 2 . The Focus Electric shares Ford's global C-car platform and is built using

1840-511: A flexible seating arrangement which gave the option of forming a double bed. Created by the same designer as BMC's Mini, sir Alec Issigonis – accountants had determined that the car had to use the same set of doors as the Austin / Morris 1800 , but would be marketed below it in the model range, so needed a shorter rear body. A curtailed rear end with a big hatch resulted. The Austin Maxi operated in

1955-580: A full model line-up, completed by a station wagon, as well as panel van versions. Also in 1967, Citroën released the Dyane , a redesigned 2CV with a large rear hatch, to compete with the Renault 4. The Simca was closely followed by Mini's larger stablemate, the Austin Maxi . Counting the rear hatch made it a five-door saloon. It featured a transverse-mounted SOHC engine , a five-speed transmission, and

2070-422: A generator and the other as motor. The drum rotor was introduced by Friedrich von Hefner-Alteneck of Siemens & Halske to replace Pacinotti's ring armature in 1872, thus improving the machine efficiency. The laminated rotor was introduced by Siemens & Halske the following year, achieving reduced iron losses and increased induced voltages. In 1880, Jonas Wenström provided the rotor with slots for housing

2185-437: A model electric vehicle that same year. A major turning point came in 1864, when Antonio Pacinotti first described the ring armature (although initially conceived in a DC generator, i.e. a dynamo). This featured symmetrically grouped coils closed upon themselves and connected to the bars of a commutator, the brushes of which delivered practically non-fluctuating current. The first commercially successful DC motors followed

2300-436: A nominal battery voltage of 318.2 V with a 361.2/258 V maximum/minimum, with a weight of 667 lbs. It is split in two with one part being under the rear seats and the other behind the rear seats. Pack capacity was upgraded to 33.5  kWh capacity lithium-ion battery pack in the 2017 model. The Focus Electric delivers 92 kW (125 PS; 123 bhp) and 181 lb⋅ft (245 N⋅m) of torque. Ford indicated that

2415-550: A result, the hatch is lifted more upwards than backward, to open. The term was first used by Toyota in 1973, to describe the Toyota Celica Liftback GT. Toyota called the new body style a Liftback, signifying that it was a three-door hatchback rather than a two-door coupe. With its sloping fastback roofline, the Celica Liftback was, if anything, even less habitable for rear-seat passengers than

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2530-425: A rotating bar winding rotor. Steadfast in his promotion of three-phase development, Mikhail Dolivo-Dobrovolsky invented the three-phase induction motor in 1889, of both types cage-rotor and wound rotor with a starting rheostat, and the three-limb transformer in 1890. After an agreement between AEG and Maschinenfabrik Oerlikon , Doliwo-Dobrowolski and Charles Eugene Lancelot Brown developed larger models, namely

2645-463: A sedan, using the hinges located below the rear glass; or together with the rear glass, like in a hatchback, using the hinges at the roof. Audi and BMW introduced hatchbacks in 2009, but marketed them as "Sportback" (Audi) or "Gran Turismo"/"Gran Coupe" (BMW). In the 2010s hatchback versions became available on luxury cars such as the BMW 5 Series Gran Turismo , Porsche Panamera , and Audi A7 while

2760-398: A solid core were used. Mains powered AC motors typically immobilize the wires within the windings by impregnating them with varnish in a vacuum. This prevents the wires in the winding from vibrating against each other which would abrade the wire insulation and cause premature failures. Resin-packed motors, used in deep well submersible pumps, washing machines, and air conditioners, encapsulate

2875-458: A two-piece tailgate as per the first Citroën 11CV Commerciale. The Vagabond and Traveler models also had folding rear seats and a shared volume for the passengers and cargo. The design was neither fully a sedan nor a station wagon, but the folding rear seat provided for a large, 8-foot (2.4 m) long interior cargo area. These Kaiser-Frazer models have been described as "America's First Hatchback". The British Motor Corporation (BMC) launched

2990-584: A type of actuator . They are generally designed for continuous rotation, or for linear movement over a significant distance compared to its size. Solenoids also convert electrical power to mechanical motion, but over only a limited distance. Before modern electromagnetic motors, experimental motors that worked by electrostatic force were investigated. The first electric motors were simple electrostatic devices described in experiments by Scottish monk Andrew Gordon and American experimenter Benjamin Franklin in

3105-690: A unique version of the MyFord Touch driver connect system adapted for electric vehicles, a new value charging feature powered by Microsoft and a smartphone application called MyFord Mobile that owners can use to control and charge their vehicles remotely. The specialized version of the MyFord Touch technology for the Focus Electric offers additional vehicle information, such as battery state of charge , distance to charge points, range budget and expected range margin. The system's MyView feature allows drivers to access even more vehicle data including

3220-493: A world record, which Jacobi improved four years later in September 1838. His second motor was powerful enough to drive a boat with 14 people across a wide river. It was also in 1839/40 that other developers managed to build motors with similar and then higher performance. In 1827–1828, Jedlik built a device using similar principles to those used in his electromagnetic self-rotors that was capable of useful work. He built

3335-592: A wound rotor forming a self-starting induction motor , and the third a true synchronous motor with separately excited DC supply to rotor winding. One of the patents Tesla filed in 1887, however, also described a shorted-winding-rotor induction motor. George Westinghouse , who had already acquired rights from Ferraris (US$ 1,000), promptly bought Tesla's patents (US$ 60,000 plus US$ 2.50 per sold hp, paid until 1897), employed Tesla to develop his motors, and assigned C.F. Scott to help Tesla; however, Tesla left for other pursuits in 1889. The constant speed AC induction motor

3450-416: Is 76 mi (122 km) and the 2017 model's EPA certified range is 115 mi (185 km). Ford used a complete electric drive train developed and supplied by Magna International , and the advanced lithium-ion battery system is being engineered by Ford in cooperation with supplier Compact Power, Inc., a subsidiary of LG Chem . A full recharge using the car's 6.6 kW charger takes 3–4 hours for

3565-488: Is a car body configuration with a rear door that swings upward to provide access to the main interior of the car as a cargo area rather than just to a separated trunk. Hatchbacks may feature fold-down second-row seating, where the interior can be reconfigured to prioritize passenger or cargo volume. While early examples of the body configuration can be traced to the 1930s, the Merriam-Webster dictionary dates

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3680-402: Is hinged at roof level, similar to hatchbacks. Liftback cars are similar to hatchbacks from a functional perspective in having a tailgate hinged from the roof, but differ from hatchbacks from a styling perspective in having more of a sloped roofline. The term " fastback " may sometimes also be used by manufacturers to market liftback cars. A fastback is a broad automotive term used to describe

3795-413: Is hinged below the rear window). Most hatchbacks use a two-box design body style, where the cargo area ( trunk/boot ) and passenger areas are a single volume. The rear seats can often be folded down to increase the available cargo area. Hatchbacks may have a removable rigid parcel shelf, or flexible roll-up tonneau cover to cover the cargo space behind the rear seats. When describing the body style,

3910-687: Is the Mini-Camper Kit for the AMC Hornet, a low-priced canvas tent that converted an open hatchback into a camping compartment with room for sleeping. The "Mini-Camper" was a weatherproof covering that fitted over the roof section from the B-pillar back to the rear bumper that was easy to set up. Ford Motor Company 's first hatchback was the Ford Pinto Runabout, introduced in 1971. The Pinto-based 1974-1978 Ford Mustang II

4025-633: The AMC Gremlin . Although the Gremlin has the appearance of a hatchback, it is frequently called a Kammback coupe instead, with only its rear window being an upwards opening hatch, that gives access to the rear cargo space. The Gremlin was based on the AMC Hornet , but its abrupt hatchback rear end cut the car's overall length from 179 to 161 inches (4,500 to 4,100 mm). AMC added a hatchback version to its larger compact-sized Hornet line for

4140-471: The Ford Fusion Hybrid growing green leaves of first-generation SmartGauge with EcoGuide , the Focus Electric cluster display uses blue butterflies to represent the surplus range beyond the drivers' charge point destination, as more butterflies are shown the greater the range is, and the blue butterflies gradually disappear as the car's battery is depleted. Ford says the designers were inspired by

4255-580: The Renault 4 as a moderately upscale alternative to the Citroën 2CV . The Renault 4 was the first million-selling, mass-produced, compact two-box car with a steeply raked rear side, opened by a large, one-piece, lift-gate hatch. During its production life cycle, Renault marketed the R4 calling it a small station wagon , just like Austin's series of small Countryman estate models from 1954 until 1968 – even after

4370-483: The South Side Elevated Railroad , where it became popularly known as the " L ". Sprague's motor and related inventions led to an explosion of interest and use in electric motors for industry. The development of electric motors of acceptable efficiency was delayed for several decades by failure to recognize the extreme importance of an air gap between the rotor and stator. Efficient designs have

4485-439: The armature . Two or more electrical contacts called brushes made of a soft conductive material like carbon press against the commutator. The brushes make sliding contact with successive commutator segments as the rotator turns, supplying current to the rotor. The windings on the rotor are connected to the commutator segments. The commutator reverses the current direction in the rotor windings with each half turn (180°), so

4600-422: The butterfly effect , a phenomenon in which a small change, such as choosing to drive an electric vehicle, can have an enormous impact. At the end of each trip a display screen provides distance driven, miles gained through regenerative braking , energy consumed and a comparative gasoline savings achieved by driving electric. The display cluster is integrated with the MyFord Touch map-based Navigation System using

4715-416: The 1740s. The theoretical principle behind them, Coulomb's law , was discovered but not published, by Henry Cavendish in 1771. This law was discovered independently by Charles-Augustin de Coulomb in 1785, who published it so that it is now known by his name. Due to the difficulty of generating the high voltages they required, electrostatic motors were never used for practical purposes. The invention of

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4830-620: The 1958 DB Mark III , also offered a folding rear seat. The 1954 AC Aceca and later Aceca-Bristol from AC Cars had a similar hatch tailgate, though only 320 were built. In 1965, MG had Pininfarina modify the MGB roadster into a hatchback design called the MGB GT, becoming the first volume-production sports car with this type of body. Many coupés have 3 doors , including the Jaguar E-Type and Datsun 240Z . In 1961, Renault introduced

4945-587: The 1970s led to the release of models such as the Austin Ambassador , Austin Maestro , Fiat 127 and Renault 5 . By the late 1970s and early 1980s, the majority of superminis and compact cars had been updated or replaced with hatchback models. Hatchbacks were the mainstay of manufacturers' D-segment offerings in Europe in the 1990s (they were already popular in the 1980s) and until the late 2000s. It

5060-464: The 1973 model year. The design and fold-down rear seat more than doubled cargo space and the Hornet was claimed to be the "first compact hatchback" manufactured by U.S. automaker. The 1975 Pacer featured a rear door or hatchback. A longer model with a wagon-type configuration was added in 1977 with its large rear "hatch" as one of the car's three doors, all having different sizes. The 1979 AMC Spirit

5175-510: The 1978 Dodge Omni / Plymouth Horizon models, which were based on the French Simca-Talbot Horizon . These were followed by the 3-door hatchback Dodge Omni 024 / Plymouth Horizon TC3 which were later renamed Dodge Charger and Plymouth Turismo . The first Japanese hatchbacks were the 1972 Honda Civic , Nissan Sunny , and Nissan Cherry . The Civic and Cherry had front-wheel drive powertrains, which later became

5290-500: The 2009 Frankfurt Motor Show . The Focus BEV concept used the European Mark II as its donor vehicle and incorporated key components from Ford's North American hybrid technology, including the electric climate control system from the 2010 Ford Fusion Hybrid . The Focus electric pre-production car was unveiled at the 2011 Consumer Electronics Show under the new name of Ford Focus Electric, and this pre-production version

5405-740: The 2011 Green Car Vision Award at the 2011 Washington Auto Show . The 2012 Focus Electric was selected among the five finalists for the 2012 Green Car of the Year awarded by the Green Car Journal in November 2011 at the Los Angeles Auto Show . In March 2012, the U.S. EPA ranked the Focus Electric as the 2012 most fuel-efficient car sold in the United States in the compact class . Hatchback A hatchback

5520-596: The 2012 model year is limited, the Focus Electric was available initially only in 19 metropolitan areas including Atlanta, Houston and Austin, Texas, Boston, Chicago, Denver, Detroit, Los Angeles, San Francisco, San Diego, New York City, Orlando, Florida, Phoenix and Tucson, Arizona, Portland, Oregon, Raleigh-Durham, Richmond, Virginia, Seattle, and Washington, D.C. Deliveries for fleet customers began in December 2011 and to retail customers in May 2012. The first production vehicle

5635-858: The Brazilian market, for example, the Fiat Premio and sedan versions of the Opel Corsa and Ford Fiesta . The vehicle is classified as a B-segment marque in the European single market, a segment referred to as a supermini in the British Isles. Prior to this, the "Swift" nameplate had been applied to the rebadged Suzuki Cultus in numerous export markets since 1984 and for the Japanese-market Suzuki Ignis since 2000. The Swift became its own model in 2004. Currently,

5750-1306: The Cruze Hatchback. Electric motor Electric motors can be powered by direct current (DC) sources, such as from batteries or rectifiers , or by alternating current (AC) sources, such as a power grid, inverters or electrical generators. Electric motors may be classified by considerations such as power source type, construction, application and type of motion output. They can be brushed or brushless , single-phase , two-phase , or three-phase , axial or radial flux , and may be air-cooled or liquid-cooled. Standardized motors provide power for industrial use. The largest are used for ship propulsion, pipeline compression and pumped-storage applications, with output exceeding 100 megawatts . Applications include industrial fans, blowers and pumps, machine tools, household appliances, power tools, vehicles, and disk drives. Small motors may be found in electric watches. In certain applications, such as in regenerative braking with traction motors , electric motors can be used in reverse as generators to recover energy that might otherwise be lost as heat and friction. Electric motors produce linear or rotary force ( torque ) intended to propel some external mechanism. This makes them

5865-550: The Focus Electric combined fuel economy equivalent at 105 MPGe (2.2 L/100 km), with an equivalent 110 MPGe (2.1 L/100 km) in city driving and 99 MPGe (2.4 L/100 km) on highways. The agency rated the 2017 Focus Electric combined fuel economy at 107 miles per gallon gasoline equivalent (2.2 L/100 km), with an equivalent 118 MPGe (2.0 L/100 km) in city driving and 96 MPGe (2.5 L/100 km) on highways. The Focus Electric's EPA certified all-electric range

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5980-441: The Focus Electric was priced significantly higher than a conventional gas-powered Focus, which, as of December 2011 listed a base price of US$ 16,500 , rising to US$ 30,692 when fully loaded with all available options. Thus, after accounting for all available government incentives, in some locations the Focus Electric may be net-priced similar to a fully loaded gas version. When compared to other plug-in electric vehicles available in

6095-532: The Focus Electric was sold in all 50 US states. Production of the Focus Electric ran throughout the cycle of the third generation standard internal combustion model in the US. Both concluded in May 2018. The concept car unveiled at the 2009 Frankfurt Motor Show was developed to participate in the UK Government's "Ultra-Low Carbon Vehicles" demonstration initiative in early 2010. A consortium of Ford, Scottish and Southern Energy and University of Strathclyde will use

6210-582: The Lauffen waterfall on the Neckar river. The Lauffen power station included a 240 kW 86 V 40 Hz alternator and a step-up transformer while at the exhibition a step-down transformer fed a 100-hp three-phase induction motor that powered an artificial waterfall, representing the transfer of the original power source. The three-phase induction is now used for the vast majority of commercial applications. Mikhail Dolivo-Dobrovolsky claimed that Tesla's motor

6325-526: The Skoda Octavia was always available as a hatchback. Meanwhile, three-door hatchbacks have seen a fall in popularity, compared with 5-door models. This has led to many models no longer being offered in 3-door body styles, for example, the Audi A3 and Renault Clio . In 1970, American Motors Corporation (AMC) released the first North American subcompact car since the 1953-1961 Nash Metropolitan ,

6440-737: The Swift is positioned between Ignis and Baleno in Suzuki's global Holden produced the Torana Hatchback from 1976 to 1980 across the LX and UC generations. Up until recent years, buyers in Australia have preferred the station wagon body style, with the big three Australian manufacturers; Holden , Ford Australia , and Chrysler Australia all producing station wagon models of their sedan models. Australia started moving to hatchbacks partially in

6555-432: The U.S., the Focus Electric had essentially the same price as the 2012 Chevrolet Volt plug-in hybrid , and it costs US$ 3,945 more than the base-model 2012 Nissan Leaf SV. Available options in 2012 included leather-trimmed seats and two special paint options, blue candy and white platinum. In 2013 it was announced that the 2014 Ford Focus Electric model would have a US$ 4,000 price reduction in its MSRP, which brought

6670-462: The base price down to US$ 35,200 MSRP. Due to decreasing pricing by competitors, as of February 2014 Ford offered an additional dealer incentive of US$ 6,000 off the Focus Electric bringing down the base price down to US$ 29,200 before tax incentives. In October 2014, Ford made the lower price more permanent by reducing the MSRP by $ 6,000 for both the remaining 2014 models as well as 2015 models bringing

6785-403: The body (or glider ) of the third generation Ford Focus . The electric car is powered by an electric motor rated at 107 kW, 245 Nm (143 hp, 181 ft-lbs), and uses a 23  kWh (75Ah) capacity LG Chem lithium-ion battery pack consisting of 430 cells arranged in 86 series 5 parallel (86S5P). The nominal cell voltage is 3.7 V with a 4.2/3.0 V maximum / minimum voltage, giving

6900-574: The car's center stack 8-inch touch screen. After the driver adds destinations, including their next charge point, into the Navigation System, the system provides coaching advice about driver behaviors such as optimizing regenerative braking and accelerating without drawing too much energy; or on how to achieve the desired range, or if travel plans need to be adjusted. The on-board Navigation System provides an EcoRoute option based on characteristics of efficient EV driving. The 2012 Focus Electric

7015-487: The chiller again. On a cold day the heated liquid warms the batteries, gradually bringing the system's temperature to a level that allows it to efficiently accept charge energy and provide enough discharge power for expected vehicle performance. Ford conducted research to define the optimal location of the charge port for the Focus Electric and the Ford C-Max Energi plug-in hybrid. The carmaker decided to locate

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7130-690: The common configuration for a hatchback. Along with the Honda Civic, other Japanese hatchback models included the Nissan Pulsar , Toyota Corolla , and Suzuki Swift . Almost all Japanese Kei cars ("city cars") use a hatchback body style, to maximize cargo capacity given the overall vehicle size is limited by the regulations applicable to these vehicles. Kei cars include the Mitsubishi Minica , Honda Life , Suzuki Fronte , Subaru Vivio , and Daihatsu Mira . The first Soviet hatchback

7245-474: The development of DC motors, but all encountered the same battery cost issues. As no electricity distribution system was available at the time, no practical commercial market emerged for these motors. After many other more or less successful attempts with relatively weak rotating and reciprocating apparatus Prussian/Russian Moritz von Jacobi created the first real rotating electric motor in May 1834. It developed remarkable mechanical output power. His motor set

7360-478: The developments by Zénobe Gramme who, in 1871, reinvented Pacinotti's design and adopted some solutions by Werner Siemens . A benefit to DC machines came from the discovery of the reversibility of the electric machine, which was announced by Siemens in 1867 and observed by Pacinotti in 1869. Gramme accidentally demonstrated it on the occasion of the 1873 Vienna World's Fair , when he connected two such DC devices up to 2 km from each other, using one of them as

7475-460: The electric energy produced in the US. In 1824, French physicist François Arago formulated the existence of rotating magnetic fields , termed Arago's rotations , which, by manually turning switches on and off, Walter Baily demonstrated in 1879 as in effect the first primitive induction motor . In the 1880s many inventors were trying to develop workable AC motors because AC's advantages in long-distance high-voltage transmission were offset by

7590-576: The electric grid, provided for electric distribution to trolleys via overhead wires and the trolley pole, and provided control systems for electric operations. This allowed Sprague to use electric motors to invent the first electric trolley system in 1887–88 in Richmond, Virginia , the electric elevator and control system in 1892, and the electric subway with independently powered centrally-controlled cars. The latter were first installed in 1892 in Chicago by

7705-401: The electrical demands of vehicle accessories such as air conditioning, which can impact driving range. This feature can be used to plan multiple-stop journeys within the car's range and to locate charging stations . The improved MyFord Touch system will also allow drivers to customize the display on a case-by-case basis according to the owners daily, weekly or monthly driving needs. Inspired in

7820-474: The electrochemical battery by Alessandro Volta in 1799 made possible the production of persistent electric currents. Hans Christian Ørsted discovered in 1820 that an electric current creates a magnetic field, which can exert a force on a magnet. It only took a few weeks for André-Marie Ampère to develop the first formulation of the electromagnetic interaction and present the Ampère's force law , that described

7935-472: The first device to contain the three main components of practical DC motors: the stator , rotor and commutator. The device employed no permanent magnets, as the magnetic fields of both the stationary and revolving components were produced solely by the currents flowing through their windings. The first commutator DC electric motor capable of turning machinery was invented by English scientist William Sturgeon in 1832. Following Sturgeon's work,

8050-456: The footsteps of the 1959 BMC Mini with front-wheel drive, a more space-efficient transverse engine layout, unitary bodywork, and independent suspension (features which became key design concepts used by almost every mass-market family car since) - and it was the first hatchback with these features. The Simca 1100 also came in both three and five-door variants, and the hatchback models took a central position, traditionally taken up by saloons, in

8165-402: The hatch is often counted as a door, therefore a hatchback with two passenger doors is called a three-door and a hatchback with four passenger doors is called a five-door . Estates/station wagons and liftbacks have in common a two-box design configuration, a shared interior volume for passengers and cargo and a rear door (often called a tailgate in the case of an estate/wagon) that

8280-586: The inability to operate motors on AC. The first alternating-current commutatorless induction motor was invented by Galileo Ferraris in 1885. Ferraris was able to improve his first design by producing more advanced setups in 1886. In 1888, the Royal Academy of Science of Turin published Ferraris's research detailing the foundations of motor operation, while concluding at that time that "the apparatus based on that principle could not be of any commercial importance as motor." Possible industrial development

8395-632: The larger Chevrolet Nova became available in a hatchback body style. The Nova hatchback was also rebadged as the Chevrolet Concours , Pontiac Ventura , Pontiac Phoenix , Oldsmobile Omega , Buick Apollo , and Buick Skylark . In 1980, General Motors released its first front-wheel drive hatchback models, the Chevrolet Citation and Pontiac Phoenix . Both AMC and GM offered a dealer accessory that turned their compact hatchback models into low-cost recreational vehicles. An example

8510-644: The load are exerted beyond the outermost bearing, the load is said to be overhung. The rotor is supported by bearings , which allow the rotor to turn on its axis by transferring the force of axial and radial loads from the shaft to the motor housing. A DC motor is usually supplied through a split ring commutator as described above. AC motors' commutation can be achieved using either a slip ring commutator or external commutation. It can be fixed-speed or variable-speed control type, and can be synchronous or asynchronous. Universal motors can run on either AC or DC. DC motors can be operated at variable speeds by adjusting

8625-546: The magnet, showing that the current gave rise to a close circular magnetic field around the wire. Faraday published the results of his discovery in the Quarterly Journal of Science , and sent copies of his paper along with pocket-sized models of his device to colleagues around the world so they could also witness the phenomenon of electromagnetic rotations. This motor is often demonstrated in physics experiments, substituting brine for (toxic) mercury. Barlow's wheel

8740-732: The mid-1990s with relatively cheap offerings from Hyundai and Honda . Australia now sells mostly hatchbacks, after the last domestic-built wagon, the Holden Commodore Sportwagon ceased production in October 2017. The Ford Laser hatchback was produced in Australia. Nissan produced the Pulsar and Pintara hatchbacks and Mitsubishi built the Colt hatch. Toyota produced the Corolla hatchback, and more recently Holden produced

8855-415: The original model and 107 miles per gallon gasoline equivalent (2.2 L/100 km) for the 2017 model, and ranks the Focus Electric as the most fuel-efficient car sold in the United States in the compact class . The Focus Electric was awarded the 2011 Green Car Vision Award at the 2011 Washington Auto Show . The Ford Focus BEV was the concept electric car introduced by Ford Motor Company at

8970-605: The original model and 5.5 hours for the 2017 model using a SAE J1772-2009 charging station powered from a standard 240 volt socket. A 120-volt convenience cord is also included allowing recharging from North American standard 120-volt outlets which could take up to 20 hours for the original model and 30 hours for the 2017 model. Ford added a fast charging option to the 2017 model, using a Combined Charging System connector to provide DC charging at up to 50 kW. The advanced battery system uses an active liquid cooling and heating thermal management system to precondition and regulate

9085-485: The point of use, and improving power transmission efficiency. Electric motors applied in agriculture eliminated human and animal muscle power from such tasks as handling grain or pumping water. Household uses (like in washing machines, dishwashers, fans, air conditioners and refrigerators (replacing ice boxes ) of electric motors reduced heavy labor in the home and made higher standards of convenience, comfort and safety possible. Today, electric motors consume more than half of

9200-448: The port in the left front fender as such location is more convenient for home charging, which Ford found is what most customers would do. Also the side location avoids areas with high risk of damage in the event of small crashes. Ford says this fact was a driving factor in the choice of the side location rather than the rear or the front. The Ford Focus Electric introduced new features and a high level of technological connectivity including

9315-456: The price of the electric car. Deliveries were rescheduled to start in August 2013. As a publicity stunt , a Focus BEV was featured on The Jay Leno Show in September 2009. Celebrity guests drove a purpose-built car with the shell from a European market Ford Focus and a test prototype version of electrical powertrain in a segment called "Green Car Challenge". The Ford Focus Electric was awarded

9430-485: The production of mechanical force by the interaction of an electric current and a magnetic field. Michael Faraday gave the first demonstration of the effect with a rotary motion on 3 September 1821 in the basement of the Royal Institution . A free-hanging wire was dipped into a pool of mercury, on which a permanent magnet (PM) was placed. When a current was passed through the wire, the wire rotated around

9545-466: The rear window was marginally smaller, to allow for a frame that could be lifted with roof-mounted hinges and side support struts so that the car now incorporated a horizontal-split two-piece tailgate. The lower panel was now flush with the floor and its bottom-mounted hinges were strengthened. In 1953, Aston Martin marketed the DB2 with a top-hinged rear tailgate, manufacturing 700 examples. Its successor,

9660-428: The rotor and stator ferromagnetic cores have projections called poles that face each other. Wire is wound around each pole below the pole face, which become north or south poles when current flows through the wire. In a nonsalient-pole (distributed field or round-rotor) motor, the ferromagnetic core is a smooth cylinder, with the windings distributed evenly in slots around the circumference. Supplying alternating current in

9775-465: The rotor and the stator. The product between these two fields gives rise to a force and thus a torque on the motor shaft. One or both of these fields changes as the rotor turns. This is done by switching the poles on and off at the right time, or varying the strength of the pole. Motors can be designed to operate on DC current, on AC current, or some types can work on either. AC motors can be either asynchronous or synchronous. Synchronous motors require

9890-402: The rotor, which moves, and the stator, which does not. Electrically, the motor consists of two parts, the field magnets and the armature, one of which is attached to the rotor and the other to the stator. Together they form a magnetic circuit . The magnets create a magnetic field that passes through the armature. These can be electromagnets or permanent magnets . The field magnet is usually on

10005-603: The same market segment as the Renault 16, and the two competitors were closely matched in specifications and exterior dimensions, although the Maxi had significantly more interior space due to its transverse engine. In 1974, the Volkswagen Golf was introduced, intended to replace the ubiquitous Beetle . In 1976 British Leyland introduced the Rover 3500 , a rear wheel drive executive car five-door hatchback. Increasing demand for compact hatchbacks in Europe during

10120-410: The slope of the roofline on a notchback is interrupted by its three-box design. An estate/wagon typically differs from a liftback or hatchback by being longer (therefore more likely to have a D-pillar ). Other potential differences of a station wagon include: "Liftback" is a term for hatchback models in which the rear cargo door or hatch is more horizontally angled than on an average hatchback, and as

10235-531: The starting price down to US$ 29,995 , and replacing the temporary $ 6,000 dealer incentives offered in February 2014. In 2011, through an association with SunPower , an optional solar-panel system was to be offered by some Ford dealers to be installed on the homes of Focus Electric owners to generate enough renewable energy during the day to offset the electricity used to charge the vehicle at night. The SunPower's home solar charging option cost US$ 10,000 before

10350-454: The stator and the armature on the rotor, but these may be reversed. The rotor is the moving part that delivers the mechanical power. The rotor typically holds conductors that carry currents, on which the magnetic field of the stator exerts force to turn the shaft. The stator surrounds the rotor, and usually holds field magnets, which are either electromagnets (wire windings around a ferromagnetic iron core) or permanent magnets . These create

10465-435: The stator in plastic resin to prevent corrosion and/or reduce conducted noise. An air gap between the stator and rotor allows it to turn. The width of the gap has a significant effect on the motor's electrical characteristics. It is generally made as small as possible, as a large gap weakens performance. Conversely, gaps that are too small may create friction in addition to noise. The armature consists of wire windings on

10580-475: The styling of the rear of a car in having a single slope from the roof to the rear bumper . Some hatchbacks are notchback three box designs , bearing a resemblance to sedans/saloons from a styling perspective, but being closer to hatchbacks in functionality by having a tailgate hinged from the roof. This is featured on cars such as the 1951 Kaiser-Frazer Vagabond, Simca 1100 , Mazda 6 GG1 , and Opel Vectra C . As such, notchbacks are not fastbacks, as

10695-416: The temperature in the battery system. This feature helps to maximize battery life and driving range. The active liquid system heats or chills a coolant before pumping it through the battery cooling system. This loop regulates temperature throughout the system against external conditions. On a hot day the cooled liquid absorbs heat from the battery pack, dispersing it through a radiator before pumping it through

10810-480: The term "hatchback" appeared around 1970. The company only offered one two-box body style. The Renault 4 continued in production through 1992, selling over 8 million cars. In 1965, the R4 economy car was complemented by the D-segment Renault 16 , the first volume production two-box, hatchback family car . Its rear seats were adjustable, would fold down, or could be completely removed. The Renault 16

10925-422: The term itself to 1970. The hatchback body style has been marketed worldwide on cars ranging in size from superminis to small family cars , as well as executive cars and some sports cars . They are a primary component of sport utility vehicles . The distinguishing feature of a hatchback is a rear door that opens upwards and is hinged at roof level (as opposed to the boot/trunk lid of a saloon/sedan , which

11040-427: The then available local and federal tax credits. Ford also made an agreement with Best Buy in 2011 to offer a 240-volt home charging station. The European launch was initially scheduled for late 2012. Although pricing was not announced, Ford stated that, unlike Renault that will offer a battery- leasing option on its electric vehicles sold in Europe, the Focus Electric will be sold with the battery pack included in

11155-406: The torque applied to the rotor is always in the same direction. Without this reversal, the direction of torque on each rotor winding would reverse with each half turn, stopping the rotor. Commutated motors have been mostly replaced by brushless motors , permanent magnet motors , and induction motors . The motor shaft extends outside of the motor, where it satisfies the load. Because the forces of

11270-663: The voltage applied to the terminals or by using pulse-width modulation (PWM). AC motors operated at a fixed speed are generally powered directly from the grid or through motor soft starters . AC motors operated at variable speeds are powered with various power inverter , variable-frequency drive or electronic commutator technologies. The term electronic commutator is usually associated with self-commutated brushless DC motor and switched reluctance motor applications. Electric motors operate on one of three physical principles: magnetism , electrostatics and piezoelectricity . In magnetic motors, magnetic fields are formed in both

11385-406: The winding, further increasing the efficiency. In 1886, Frank Julian Sprague invented the first practical DC motor, a non-sparking device that maintained relatively constant speed under variable loads. Other Sprague electric inventions about this time greatly improved grid electric distribution (prior work done while employed by Thomas Edison ), allowed power from electric motors to be returned to

11500-431: The windings creates poles in the core that rotate continuously. A shaded-pole motor has a winding around part of the pole that delays the phase of the magnetic field for that pole. A commutator is a rotary electrical switch that supplies current to the rotor. It periodically reverses the flow of current in the rotor windings as the shaft rotates. It consists of a cylinder composed of multiple metal contact segments on

11615-508: Was an early refinement to this Faraday demonstration, although these and similar homopolar motors remained unsuited to practical application until late in the century. In 1827, Hungarian physicist Ányos Jedlik started experimenting with electromagnetic coils . After Jedlik solved the technical problems of continuous rotation with the invention of the commutator , he called his early devices "electromagnetic self-rotors". Although they were used only for teaching, in 1828 Jedlik demonstrated

11730-662: Was available in two designs, a "sedan" with a rear lift up window and a semi-fastback "liftback" version. General Motors ' first hatchback model was the Chevrolet Vega , introduced in September 1970. Over a million Vega hatchbacks were produced for the 1971–1977 model years accounting for about half of the Vega's total production. The Vega hatchback was also rebadged and sold as the 1973–1977 Pontiac Astre , 1978 Chevrolet Monza S , 1975–1980 Buick Skyhawk , 1975–1980 Oldsmobile Starfire and 1977–1980 Pontiac Sunbird . In 1974,

11845-642: Was based on the Focus Mark III . Deliveries for fleet customers in the United States began in December 2011, and it was released to retail customers in May 2012 only in California, New York and New Jersey, in limited numbers, followed by the other 16 initial markets in the third quarter of 2012. The European release was initially slated for late 2012, but was rescheduled to start deliveries in August 2013. Unlike some smaller volume electric vehicles marketed only in California or other markets where mandated,

11960-736: Was common for manufacturers to offer the same D-segment model in three different body styles: a 4-door sedan, a 5-door hatchback, and a 5-door station wagon. Such models included the Ford Mondeo , the Mazda 626 / Mazda6 , the Nissan Primera , the Opel Vectra / Insignia , and the Toyota Carina / Avensis . There were also models in this market segment available only as a 5-door hatchback or a 4-door sedan, and models available only as

12075-582: Was delivered to Google in December 2011 and was incorporated in the company's GFleet carsharing corporate service. Initially sales were limited to California, New York and New Jersey. Ford has scheduled the launch in other selected markets in the third quarter of 2012. A total of 685 units were sold in 2012, and 1,738 in 2013. As of September 2014, cumulative sales in the American market reached 3,965 units. Ford began taking online orders on November 2, 2011, with pricing starting at US$ 39,995 , including

12190-571: Was designed for piston engines, and the battery took up space in the boot; the battery and electric motor was squeezed into a car not designed for it. Ford began production of the Focus Electric destined for the European market in Saarlouis , Germany in June 2013. Deliveries to European customers were scheduled to begin in August 2013. Production of the Focus Electric for both US and European markets concluded in May 2018. Because initial production of

12305-449: Was envisioned by Nikola Tesla , who invented independently his induction motor in 1887 and obtained a patent in May 1888. In the same year, Tesla presented his paper A New System of Alternate Current Motors and Transformers to the AIEE that described three patented two-phase four-stator-pole motor types: one with a four-pole rotor forming a non-self-starting reluctance motor , another with

12420-458: Was found not to be suitable for street cars, but Westinghouse engineers successfully adapted it to power a mining operation in Telluride, Colorado in 1891. Westinghouse achieved its first practical induction motor in 1892 and developed a line of polyphase 60 hertz induction motors in 1893, but these early Westinghouse motors were two-phase motors with wound rotors. B.G. Lamme later developed

12535-734: Was implemented on the production vehicle. Production began in December 2011. The Focus Electric was being built at the Michigan Assembly Plant in Wayne, Michigan on the same line as the gasoline-powered version of the Focus, the C-Max Energi plug-in hybrid and the C-Max Hybrid. Ford stated that initial production was limited but was ramped up in 2012. North American Ford Focus production ended in May 2018. The platform

12650-438: Was not practical because of two-phase pulsations, which prompted him to persist in his three-phase work. The General Electric Company began developing three-phase induction motors in 1891. By 1896, General Electric and Westinghouse signed a cross-licensing agreement for the bar-winding-rotor design, later called the squirrel-cage rotor . Induction motor improvements flowing from these inventions and innovations were such that

12765-667: Was offered as a hatchback. The body style was continued for the redesigned Fox platform -based 1979 third generation Mustang and the Mercury Capri derivative. For 1981, Ford offered hatchback versions of its sub-compact Escort and the badge-engineered Mercury Lynx , which were now front-wheel drive. Two-seat hatchback derivatives were introduced for 1982, the Ford EXP and the Mercury LN-7. Chrysler Corporation 's first hatchbacks (and first front-wheel drive cars) were

12880-529: Was planned to include warning sounds to alert pedestrians of its presence when the electric car was running at low speeds. Ford developed four alternative sounds, and in June 2011 involved the car fans by asking them to pick their favorite from the four potential warning sounds through the Focus Electric Facebook page. However, ultimately Ford decided to hold off including warning sounds unless federal legislation required it, and no such system

12995-409: Was successful in a market segment previously exclusively populated by notchback sedans and, despite making only one body style for 15 years, consumers purchased over 1 3 ⁄ 4 million R16s. Unlike the Renault 4, which had a semi-integrated body, mounted on a platform chassis , and a front mid-mounted and longitudinally placed engine behind the front axle, the 1967 Simca 1100 , which followed in

13110-519: Was the hardtop, but the hatchback roof and folding rear seat made the Liftback more versatile for quotidian chores or the sort of "active lifestyle" pastimes that so fascinate advertising copywriters. Later, Toyota needed to distinguish between two 5-door versions of the Toyota Corolla , one of which was a conventional 5-door hatchback with a nearly vertical rear hatch while the other one was

13225-540: Was the rear-wheel drive IZh 2125 Kombi , which entered production in 1973. This was followed only in the 1980s by the front-wheel drive Lada Samara in 1984, the Moskvitch 2141/Aleko in 1986, and ZAZ Tavria in 1987. In 2014, four of the top five selling models in Brazil were hatchbacks. However, in the 1980s and 1990s, hatchbacks were less popular than sedans, leading manufacturers to develop compact sedan models for

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