IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0294725
(1981-08-20)
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발명자
/ 주소 |
- Handel Peter H. (Physics Department
- University of Missouri St. Louis MO 63121) Handel Peter (Hans Stiessberger Str. 6 8013 Haar DEX)
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인용정보 |
피인용 횟수 :
10 인용 특허 :
6 |
초록
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An electric wheel-drive for motor vehicles, particularly automobiles with internal combustion engine, which can be installed nondestructively-reversibly in place of the brakes, with brushless, polyphasic, electronically speed-controlled electric motors individually attached to the wheels. The electr
An electric wheel-drive for motor vehicles, particularly automobiles with internal combustion engine, which can be installed nondestructively-reversibly in place of the brakes, with brushless, polyphasic, electronically speed-controlled electric motors individually attached to the wheels. The electric motor is a homopolar multiple-airgap axial-field motor whose rotor (1) replaces the wheeldrum and brake-disk, and whose stator (2) replaces the brake-shoes, brake-pads, and brake splash-shield plate of at least two wheels of a pair, in a conventional automobile with internal combustion engine. An electronic control system is included for the control of the axial-field motor during propulsion and braking. This electric wheel-drive allows for a fast, uncomplicated, and inexpensive hybridization of the car without modifications of the wheels, or the axle, or of other parts of the car, thereby providing the car with second, independent, propulsion system.
대표청구항
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In a motor vehicle including an internal combustion engine, four wheels mounted for rotation to said vehicle, each of said wheels having an axle, a first pair of said wheels being operatively connected to said internal combustion engine so as to be driven thereby, a pair of bearings mounted on said
In a motor vehicle including an internal combustion engine, four wheels mounted for rotation to said vehicle, each of said wheels having an axle, a first pair of said wheels being operatively connected to said internal combustion engine so as to be driven thereby, a pair of bearings mounted on said axle, a support tube mounted for rotation to said bearings, the improvement comprising means for providing an electric drive for the non-internal combustion engine driven pair of said wheels, said electric drive means comprising a homopolar axial field motor including a stator and a rotor, said stator forming a brake shoe and said rotor forming one of a brake drum and disc for respective ones of said non-internal combustion engine driven wheel pair, a permanent magnet of high energy density material mounted to said support tube and rotatable therewith, at least one iron disc mounted on said support tube in close proximity to said permanent magnet, said stator including an enclosure, a plurality of support elements mounted to said enclosure and extending radially inwardly therefrom, and a plurality of coils mounted on said support elements in spaced relationship to one another, a plurality of pole rings mounted on said permanent magnet, said pole rings including a plurality of radially extending support arms, and a plurality of axially magnetized pole pieces, said pole pieces being constructed of high energy density material, respective ones of said pole pieces being positioned between respective pairs of said coil plurality.
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