[특허]Dual-motor electric drive system for vehicles

Dual-motor electric drive system for vehicles 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-055/00 B60K-006/00
출원번호	US-0229032 (1994-04-18)
발명자 / 주소	Hall III Arthur (Cicero IN)
출원인 / 주소	General Motors Corporation (Detroit MI 02)
인용정보	피인용 횟수 : 34 인용 특허 : 0

초록 ▼

A dual-motor electric drive system is particularly suited for driving track-laying vehicles. The propulsion motors of the drive system are each individually selected to provide the speed and torque for selected portions of the operational requirements of the vehicle. The electric drive system utilizes a primary motor to provide the maximum speed requirements and a secondary motor to provide the high torque requirements for low speed operation. The primary and secondary propulsion motors are interconnected by a predetermined drive ratio so that the secondary motor provides torque until it attains a maximum predetermined speed whereupon it is disconnected from the primary motor.

대표청구항 ▼

An electric drive system for propelling a track-laying vehicle through both a low speed range and a high speed range to a desired maximum vehicle speed, said drive system comprising: first and second electric propulsion motors capable of delivering independent propulsion forces; said first and second electric propulsion motors each having a maximum speed; left and right drive tracks; a final drive system for transferring propulsion forces to the drive tracks; a predetermined transition speed less than the maximum vehicle speed delineating the transition from the low speed range to the high speed range of the vehicle; a first drive ratio is provided between said first propulsion motor and said final drive system; said first drive ratio assures that said first propulsion motor reaches its maximum speed when said vehicle is at its maximum speed; a second drive ratio is provided between said second propulsion motor and said final drive system; said second drive ratio assures that said second propulsion motor reaches its maximum speed at approximately said transition speed; the relationship of said first and second drive ratios effecting multiplication of the output torque from said second propulsion motor to said final drive system at speeds lower than said transition speed; said first propulsion motor operatively connected to said final drive system to provide the desired maximum vehicle speed; and, means to engage said second propulsion motor to said final drive system to provide the output torque from said second propulsion motor to said final drive when torque in addition to that supplied by said first propulsion motor is required at speeds below said transition speed; means to disengage said second propulsion motor from said final drive system at said transition speed when the output torque from said first propulsion motor is sufficient for said final drive system to propel the vehicle in the high speed range.

이 특허를 인용한 특허 (34)

Tamai, Goro; Swales, Shawn H.; Schoenek, Norman, Coaxial gear system.
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Fleckenstein Franz,DEX, Drive axle with planetary gear.
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Thompson,Robert W, Drive configuration for a skid steered vehicle.
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Flaxman, Robert John Bonner, Drive configurations for skid steered vehicles.
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Swick,William Christopher; Marr,Jerry Dwight; Diecke,Friedrich Konrad, Drive system for a machine.
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Witzenberger, Max; Döbereiner, Rolf, Drive system for a tracked vehicle.
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Tarasinski, Nicolai; Gugei, Rainer, Drive system for a vehicle.
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Kimes, John W., Drive system including a transmission for a hybrid electric vehicle.
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Wolfgang, Werner; Hund, Hubert; Rosch, Thomas; Walter, Bruno, Drive unit for a Track-laying vehicle.
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Simmons, Gerald P.; Vanderham, Michael E., Electric drive system with differential steering.
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Simmons,Gerald P.; Vanderham,Michael E., Electric drive system with differential steering.
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Garnett,Stephen C.; Cronin,Michael G.; Iund,Trevor N.; Wookey,Roy A., Electric drive system with plural motors.
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Wakitani,Tsutomu; Shimizu,Norikazu; Kawakami,Toshiaki, Electric vehicle.
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Severinsson, Lars, Electrical axle.
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Dyck,Gerald; Dries,Paul; Bagherpour,Mohsen; Czepak,John, Electro-mechanical continuously variable transmission.
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Kuribayashi Takashi,JPX ; Matsuo Hiroyuki,JPX, Front-and-rear wheel drive vehicle.
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Tabata Atsushi,JPX ; Taga Yutaka,JPX ; Ibaraki Ryuji,JPX ; Hata Hiroshi,JPX ; Mikami Tsuyoshi,JPX, Hybrid vehicle drive system having means for using at least engine as drive power source in special vehicle operating s.
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Casey, Kent A.; Winzeler, James E., Method and apparatus for an electric drive differential system.
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Casey,Kent A.; Moring,Rodger L., Multi-motor drive system for a work machine.
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Ross, Robert, Multiple induction electric motor and vehicle.
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Garnett,Stephen C., Planetary drive arrangement.
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Satzler Ronald L., Planetary steering differential.
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Lilley, Timothy J.; Kingman, Grantland I., Power combining apparatus for hybrid electric vehicle.
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Timothy J. Lilley ; Grantland I. Kingman, Power combining apparatus for hybrid electric vehicle.
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Ross, Robert, System and method for stator construction of an electric motor.
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Marjorie E. Phelan; Palazzolo, Joseph; Phelan, Perry E., Torque controller for controlling torque to two or more shafts.
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Blume David B., Transmission.
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Hill,Richard, Two speed transmission.
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Schmidt Michael Roland, Two-mode, compound-split electro-mechanical vehicular transmission.
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Michael Roland Schmidt, Two-mode, compound-split, electro-mechanical, vehicular transmission particulary adapted for track-laying vehicles.
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Aoki, Jun; Hoshinoya, Takeshi; Yamamoto, Akihiro; Shinohara, Sei, Vehicle drive system.
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Ono, Junya; Ito, Asuka; Adachi, Jun; Kajihara, Eisuke; Kataoka, Dai, Vehicle power output device.
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Rosemeier, Thomas; Pelchen, Christoph; Mair, Ulrich; Baasch, Detlef, Vehicle with a drive engine arranged in the transverse direction of the vehicle.
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Enjoji,Naoyuki; Suzuki,Masaharu; Kikuchi,Hideaki; Wariishi,Yoshinori; Oda,Masaru, Vehicle with electric motor mounted thereon.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Dual-motor electric drive system for vehicles 원문보기

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Dual-motor electric drive system for vehicles 원문보기

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이 특허를 인용한 특허 (34)

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