[특허]Auxiliary drive system

Auxiliary drive system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60K-025/06 B60K-017/28 B60F-001/04
출원번호	US-0774412 (2013-02-22)
등록번호	US-9446662 (2016-09-20)
발명자 / 주소	Coots, William R.
출원인 / 주소	B & B Metals, Inc.
대리인 / 주소	Middleton Reutlinger
인용정보	피인용 횟수 : 0 인용 특허 : 55

초록 ▼

An auxiliary drive system including a transmission which is connectable to a prime mover and produces an output torque for driving a driveshaft, the transmission having at least first and second power takeoffs, a pump in fluid communication with a hydraulic motor, the hydraulic motor operably connected to the second power takeoff and in fluid communication with the hydraulic pump, a control valve to vary flow rate to the hydraulic motor, the second power takeoff driving a driveshaft operably connected to the transmission.

대표청구항 ▼

1. An auxiliary drive system, comprising: a transmission having a housing containing a plurality of gears and further having at least first and second power takeoffs at said housing;a hydraulic pump connected to and driven by said first power takeoff of said transmission, said pump producing flow and being in fluid communication with a hydraulic motor;said hydraulic motor operably connected to said second power takeoff wherein said second power take-off is utilized as an input to said transmission;a control valve to vary flow rate of hydraulic fluid to said hydraulic motor;said hydraulic motor and said hydraulic pump being mechanically downstream of a connection between an engine and said transmission;said hydraulic motor driving said second power take off and a drive shaft operably connected to said transmission when said transmission is in a neutral position. 2. The system of claim 1, said transmission having gears operably associated with said first power takeoff and said second power takeoff. 3. The system of claim 2, said gears determining speed of rotation of said drive shaft. 4. The system of claim 1, at least one of said first and second power takeoffs rotating when said transmission is in said neutral position. 5. The system of claim 1, one of said first and second power takeoffs causing rotation of said driveshaft of said vehicle. 6. The system of claim 1, said system operably driving a high-rail vehicle for use on a rail. 7. The system of claim 1, wherein a speed of said pump is constant. 8. The system of claim 1, wherein a speed of said motor is adjustable to change vehicle speed. 9. The system of claim 8 wherein said hydraulic control valve is in fluid communication with said pump and said motor to adjust said vehicle speed. 10. A method of driving a high-rail vehicle with an auxiliary drive system, comprising: providing a transmission having a housing containing a plurality of gears and further having at least first and second power takeoffs at said housing;driving a hydraulic pump with said first power takeoff of a vehicle transmission;driving a hydraulic motor with said hydraulic pump;driving said second power takeoff of said vehicle transmission with said hydraulic motor wherein said first and second power takeoffs are mechanically downstream of a connection between a vehicle engine and said transmission; and,driving a drive shaft connected to said vehicle transmission with said second power takeoff and said hydraulic motor. 11. The method of claim 10, further comprising adjusting speed of said vehicle by changing speed of said motor. 12. The method of claim 11 further comprising changing said speed of said motor with a hydraulic control valve. 13. The method of claim 12, further comprising driving tires of said vehicle which are operably connected to said driveshaft. 14. The method of claim 10, further comprising coupling said hydraulic pump and said hydraulic motor with a hydraulic fluid tank. 15. The method of claim 10, further comprising driving said second power takeoff with said first power takeoff. 16. An auxiliary drive system, comprising: a transmission which is connectable to a prime mover and produces an output torque for driving a driveshaft;said transmission having a housing containing a plurality of gears and further having at least first and second power takeoffs at said housing, said first and second power takeoffs located mechanically downstream of a connection between said transmission and said prime mover;a pump in fluid communication with a hydraulic motor;said pump drivably engaged by one of said power takeoffs;said hydraulic motor operably connected to the other of said power takeoffs and in fluid communication with said hydraulic pump, wherein said hydraulic motor provides an input to said transmission;a control valve to vary flow rate to said hydraulic motor;said other of said power takeoffs driving a driveshaft operably connected to said transmission when said transmission is in a neutral position. 17. The auxiliary drive system of claim 16, said one of said power takeoff rotatable when said transmission is in said neutral position. 18. The auxiliary drive system of claim 16 further comprising a hydraulic tank in fluid communication with said pump, said motor and said control valve. 19. The auxiliary drive system of claim 16 wherein said rotation of said second power takeoff causes rotation of said driveshaft. 20. The auxiliary drive system of claim 16, said pump rotating at a constant speed. 21. The auxiliary drive system of claim 16, said pump being electric. 22. The auxiliary drive system of claim 21, said pump being powered by a generator. 23. The auxiliary drive system of claim 16, said second power takeoff turning said driveshaft when said transmission is in said neutral position. 24. The auxiliary drive system of claim 16, said first power takeoff turning when said transmission is in said neutral position.

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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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