[특허]Electric drive system for track-laying vehicles

Electric drive system for track-laying vehicles 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-055/00
출원번호	US-0729245 (1991-07-11)
발명자 / 주소	Dorgan Robert J. (Pittsfield MA)
출원인 / 주소	General Electric Company (Pittsfield MA 02)
인용정보	피인용 횟수 : 93 인용 특허 : 0

초록 ▼

An electric drive system for tracklaying vehicles includes a pair of electric motors and an infinitely variable speed, hydromechanical steering transmission including a pair of hydrostatic propulsion units and a plurality of planetary gears sets. The hydrostatic units are driven by one or both of the electric motors to produce separate hydrostatic propulsion outputs which are combined with the mechanical outputs of the motors by the planetary gear sets to generate separate hydromechanical propulsion outputs on right and left transmission output shafts for vehicle propulsion and steer in two speed ranges.

대표청구항 ▼

An electrical drive system for track-laying vehicles comprising, in combination: A. a first electric motor for developing a first mechanical output; B. a second electric motor for developing a second mechanical output; and C. a transmission including 1) a left output shaft drivingly connected to one vehicle track, 2) a right output shaft drivingly connected to the other vehicle track, 3) first and second variable stroke hydrostatic propulsion units commonly driven by said first mechanical output to produce respective infinitely variable speed first and second hydrostatic outputs, 4) a left output combining gear set having a first gear element driven by said first hydrostatic output, a second gear element drivingly connected with said left output shaft, and a third gear element, 5) a right output combining gear set having a first gear element driven by said second hydrostatic output, a second gear element drivingly connected with said right output shaft, and a third gear element, 6) means for commonly applying said second mechanical output to said third gear elements of said left and right output gear sets, and 7) a brake operating to ground said third gear elements of said left and right output gear sets to produce low range vehicle propulsion and steer and, with said second electric motor energized, to release said third gear elements of said left and right output gear sets to produce high range vehicle propulsion and steer.

이 특허를 인용한 특허 (93)

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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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Electric drive system for track-laying vehicles 원문보기

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이 특허를 인용한 특허 (93)

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Electric drive system for track-laying vehicles 원문보기

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이 특허를 인용한 특허 (93)

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