[특허]Hydraulic drive system for use with vehicle power steering pump

Hydraulic drive system for use with vehicle power steering pump 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-005/087
출원번호	US-0841751 (1986-03-20)
우선권정보	JP-0058866 (1985-03-22); JP-0091965 (1985-04-26); JP-0150909 (1985-07-09); JP-0220725 (1985-10-03)
발명자 / 주소	Suzuki Masahiko (Aichi JPX) Iwata Hiroshi (Kariya JPX) Matsui Kazuma (Toyohashi JPX) Takagi Akira (Kariya JPX) Horiuchi Yasuhiro (Aichi JPX) Nakagawa Kougorou (Kariya JPX) Sugiyama Toshiki (Kariya JP
출원인 / 주소	Nippondenso Co., Ltd. (Kariya JPX 03)
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

A hydraulic drive system for use with a vehicle power steering pump has a hydraulic motor connected in series with a power steering mechanism and a bypass line extending in bypassing relationship with the motor. A bypass valve is disposed in the bypass line to control the flow through the bypass line such that, when a steering force applied to a vehicle steering wheel is increased, the bypass flow is substantially in proportion to the steering force.

대표청구항 ▼

a hydraulic drive system for a vehicle having an engine including: a hydraulic pump drivingly connected to the engine to pump hydraulic fluid through a hydraulic fluid supply line; a power steering mechanism disposed in said main hydraulic fluid supply line and operable by the hydraulic fluid from said hydraulic pump in response to a steering operation of a steering system of the vehicle; a hydraulic actuator disposed in said main hydraulic fluid supply line in series with said power steering mechanism so that the actuator is hydraulically driven by the hydraulic fluid from said pump to drive an accessory of the vehicle; a bypass line extending in bypassing relationship with said hydraulic actuator to interconnect points of said main hydraulic supply line upstream and downstream of said actuator; a bypass valve disposed in said bypass line to control the flow of the hydraulic fluid through said bypass line such that the flow through said bypass line is increased substantially in proportion to the increase in a steering force applied to the steering system; said bypass valve including a spool having a tapered part operable by a pilot pressure formed by the hydraulic pressure in said main hydraulic fluid supply line upstream of said power steering mechanism to continuously vary hte fluid flow through said bypass valve and thus through said bypass line; a restriction orifice means through which said pilot pressure is applied to said spool; and a check valve disposed in parallel relationship with said restriction orifice means constructed and arranged to be opened only when said spool is moved in a direction to increase the fluid flow through said bypass valve and thus through said bypass line.

이 특허를 인용한 특허 (43)

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Buschur Jeffrey J. ; Hill John S., Apparatus and method of controlling fluid flow between a plurality of vehicle components.
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Williams, Daniel E.; Redin, Juan; Peterson, Philip S.; Szabela, William A., Apparatus for controlling a power-assisted steering gear in response to vehicle speed.
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Mientus Michael J., Automotive hydraulic engine cooling system with thermostatic control by hydraulic actuation.
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Buschur Jeffrey J., Automotive hydraulic system and method.
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Suzuki Yasushi (Chiryu JPX) Takahara Yasuo (Anjo JPX) Masui Atusi (Kariya JPX) Ohshima Toshihiro (Nagoya JPX) Takeuchi Fumihiro (Nagoya JPX) Sugiyama Toshiki (Obu JPX) Setoguchi Tadashi (Kariya JPX), Automotive radiator cooling system.
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Buchanan ; Jr. Harry C. (Spring Valley OH) Zhou Peter S. (Dayton OH), Combined check valve and pressure sensor.
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Yamagishi Yoshinori,JPX, Cooling device for a construction machine.
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Buscher, Jeffrey J.; Gibson, John R.; Hill, John S.; Jiang, Hong; Nickel, David F.; Schutte, Daniel J., Dual displacement motor control.
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Barnes Steven J. (Kettering OH) Spence Scott R. (New Carlisle OH), Electric motor driven fan with water baffle.
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Desjardins,Yvon Clarence; C？t？,Sylvain Raymond; Doutre,Phillippe Louis; Yetter,James Edward, Electro-hydraulic fan drive cooling and steering system for vehicle.
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Rose,Kenric B., Energy conversion and dissipation system.
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Bartley Bradley E. ; Blass James R. ; Gibson Dennis H., Engine having hydraulic and fan drive systems using a single high pressure pump.
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Buschur Jeffrey J. ; Eyink Robert V., Fluid control system for powering vehicle accessories.
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Smith, David P., Fluid system for two hydraulic circuits having a common source of pressurized fluid.
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Walsh John P. ; Patterson Ian D.,GBX, Hydraulic drive assembly.
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Nelson, Bryan E.; Peterson, Jeremy T.; Kuehn, Jeffrey L., Hydraulic fan circuit having energy recovery.
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Chiaramonte, Michael P., Hydraulic fan drive system.
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Crull Stanley W. ; Peterson Mark A., Hydraulic fan drive system having a non-dedicated flow source.
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Nakayoshi Hideki (Kariya JPX) Takakura Yoshinari (Anjo JPX), Hydraulic pump for hydraulically driven fan system.
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Hunter, Douglas G.; Jannausch, Matthew J., Hydraulic pump with variable flow and variable pressure and electric control.
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Machesney Kerry A. ; Buschur Jeffrey J., Hydraulically powered fan and power steering in vehicle.
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Reiners, Eric A.; Ufheil, Steven T., Independent metering valve assembly for multiple hydraulic load functions.
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Schmitz Geoffrey W., Single-fluid apparatus for supplying vehicle power and lubrication fluid requirements and a system and method for fluid distribution and delivery.
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Hunter,Douglas G.; Koenig,Dennis, Variable displacement pump and control therefor.
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Smith David P., Variable pump control for hydraulic fan drive.
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Lewis J. Gordon, Vehicle hydraulic component support and cooling system.
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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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연합인증

Hydraulic drive system for use with vehicle power steering pump 원문보기

초록 ▼

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연합인증

Hydraulic drive system for use with vehicle power steering pump 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (43)

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