KR840006943A - Power steering - Google Patents

Power steering Download PDF

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Publication number
KR840006943A
KR840006943A KR1019830006044A KR830006044A KR840006943A KR 840006943 A KR840006943 A KR 840006943A KR 1019830006044 A KR1019830006044 A KR 1019830006044A KR 830006044 A KR830006044 A KR 830006044A KR 840006943 A KR840006943 A KR 840006943A
Authority
KR
South Korea
Prior art keywords
detector
pilot pressure
power steering
flow path
control valve
Prior art date
Application number
KR1019830006044A
Other languages
Korean (ko)
Other versions
KR890000859B1 (en
Inventor
하지메(외 1) 고즈까
Original Assignee
도조 데루오
미찌비시 지도샤고교 가부시끼 가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP57222098A external-priority patent/JPS59114159A/en
Priority claimed from JP22209982A external-priority patent/JPS59114160A/en
Application filed by 도조 데루오, 미찌비시 지도샤고교 가부시끼 가이샤 filed Critical 도조 데루오
Publication of KR840006943A publication Critical patent/KR840006943A/en
Application granted granted Critical
Publication of KR890000859B1 publication Critical patent/KR890000859B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/08Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D6/00Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/02Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to vehicle speed

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

내용 없음No content

Description

파워 스티어링장치Power steering

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 관한 파워 스티어링 장치의 일실시예를 도시한 유압회로도.1 is a hydraulic circuit diagram showing an embodiment of a power steering apparatus according to the present invention.

제2도는 동 파워 스티어링 장치의 유로절환 밸브부분을 도시한 종단 측면도.2 is a longitudinal side view showing a flow path switching valve portion of the power steering apparatus.

제5도는 제3도의 V―V선을 절취한 개폐밸브, 압력제어 밸브 및 파이로트압 제어밸브부분의 종단측면도.FIG. 5 is a longitudinal sectional side view of the on / off valve, pressure control valve and pilot pressure control valve section of FIG.

Claims (12)

스티어링 핸들에 연결된 입력축과, 입력축의 회전을 출력축으로 전달하는 토션바와, 상기 압력축과 출력축의 회전각도차에 따라 유로가 절환되는 유로절환밸브와, 상기 출력축에 연결된 파워실린더와, 오일펌프로부터 토출되는 작동유를 상기유로 절환밸브를 거쳐 파워실린더로 공급하는 고압유로와, 상기 파워 실린더로부터 유로절환밸브를 거쳐 오일탱크로 작동유를 복귀시키는 제1의 저압유로와, 상기 입력축과 출력축 사이에 장치시켜 양자의 회전각도차를 규제하는 규제력을 부여하는 반력피스톤과, 상기 고압유로부터 분기하여 상기 반력피스톤에 연통된 분기유로와, 분기유로에 장치되어 유압을 소정의 최고압력 이상으로 제어하는 압력제어밸브와, 일단이 압력제어 밸브 하류측의 분기유로에 오리피스를 거쳐 연통하고 타단이 상기 오일탱크에 연통하는 제2의 저압유로와, 저압유로에 장치되어 상기 오리피스 하류측의 파이로트압을 제어하는 파이로트압 제어밸브 및 상기 파이로트압을 상기 압력제어밸브에 전달하는 파이로트 유로를 구비한 파워 스티어링장치.An input shaft connected to the steering handle, a torsion bar for transmitting the rotation of the input shaft to the output shaft, a flow path switching valve for switching the flow path according to the rotation angle difference between the pressure shaft and the output shaft, a power cylinder connected to the output shaft, and an oil pump A high pressure flow path for supplying the working oil to the power cylinder through the flow path switching valve, a first low pressure flow path for returning the working oil from the power cylinder to the oil tank through the flow path switching valve, and between the input shaft and the output shaft, A reaction force piston for imparting a regulating force for regulating the difference in rotation angle of the engine; a branch flow path branched from the high pressure oil and in communication with the reaction force piston; One end communicates with the branch flow path downstream of the pressure control valve via an orifice and the other end the oil tank. And a second low pressure flow passage communicating with the air pressure, a pilot pressure control valve installed in the low pressure flow passage for controlling the pilot pressure downstream of the orifice, and a pilot flow passage for transmitting the pilot pressure to the pressure control valve. Power steering. 제1항의 파워 스티어링 장치에 있어서, 고압유로에 오리피스를 설치하고, 오리피스의 상 하류를 바이패스하여 연통하는 병렬회로에 배치됨과 동시에 상기 파이로트압에 의해 개폐 제어되는 개폐밸브를 설치한 파워 스티어링 장치.The power steering apparatus according to claim 1, wherein an orifice is provided in the high-pressure flow passage, the power steering apparatus is arranged in a parallel circuit which communicates by bypassing the upstream and downstream of the orifice, and is provided with an on / off valve controlled by opening and closing by the pilot pressure. . 제1항의 파워 스티어링 장치에 있어서, 차량의 운전자 상태를 검출하는 검출기와, 검출기의 출력에 의해 파이로트압을 연산하고 이 결과 얻어진 파이로트압 제어신호를 상기 파이로트압 제어밸브를 출력하는 제어장치를 설치한 파워 스티어링장치.A power steering apparatus according to claim 1, comprising: a detector for detecting a driver state of a vehicle, and a control device for calculating a pilot pressure based on an output of the detector and outputting the pilot pressure control valve as a result of the pilot pressure control signal. Power steering unit installed. 제1항의 파워 스티어링 장치에 있어서, 차량의 운전상태를 차량의 다른 부위에서 동시에 검출하는 복수의 검출기와 각 검출기의 어느 한개의 검출기의 어느 한개의 검출기의 출력을 기준으로 하고 다른 검출기의 출력을 가미하여 파이로트압을 연산하고 그 결과 얻어진 파이로트압 제어신호를 상기 파이로트압 제어밸브로 출력하는 제어장치를 구비한 파워 스티어링 장치.The power steering apparatus of claim 1, wherein a plurality of detectors for simultaneously detecting a driving state of the vehicle at different portions of the vehicle and the output of another detector based on the output of any one detector of any one detector of each detector And a control device for calculating a pilot pressure and outputting the resultant pilot pressure control signal to the pilot pressure control valve. 제4항의 파워 스티어링 장치에 있어서, 상기 일방의 검출기가 차속 검출기이고, 상기 다른 검출기가 엔진 회전수 검출기인 파워 스티어링 장치.The power steering apparatus of Claim 4 whose said one detector is a vehicle speed detector, and the said other detector is an engine speed detector. 제4항의 파워스티어링 장치에 있어서, 상기 파이로트압 제어밸브는 솔레노이드에 의해 개폐 제어되고 상기제어장치가 상기 솔레노이드에 고급되어 상기 파이로트압 제어밸브를 폐쇄 방향으로 구동하는 전류 1를5. The power steering apparatus of claim 4, wherein the pilot pressure control valve is opened and closed controlled by a solenoid, and the control device is advanced to the solenoid to drive current 1 for driving the pilot pressure control valve in the closing direction. I={1-(a+b)}×0.6+cI = {1- (a + b)} × 0.6 + c 단 a:차속에 따른 계수 0a0.1A: coefficient according to vehicle speed 0 a 0.1 b:엔진 회전수에 따른 계수 0b0.6b: Coefficient 0 according to engine speed b 0.6 단, 0a+b1.0Only 0 a + b 1.0 c:솔레노이드가 변위하지 않는 무효전류로 되도록 제어하는 파워 스티어링장치.c: Power steering to control the solenoid to be a reactive current without displacement. ※참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the first application.
KR1019830006044A 1982-12-20 1983-12-20 Power steering system KR890000859B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP57222098A JPS59114159A (en) 1982-12-20 1982-12-20 Power steering apparatus
JP222098 1982-12-20
JP22209982A JPS59114160A (en) 1982-12-20 1982-12-20 Power steering apparatus
JP222099 1982-12-20

Publications (2)

Publication Number Publication Date
KR840006943A true KR840006943A (en) 1984-12-04
KR890000859B1 KR890000859B1 (en) 1989-04-11

Family

ID=26524681

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830006044A KR890000859B1 (en) 1982-12-20 1983-12-20 Power steering system

Country Status (4)

Country Link
KR (1) KR890000859B1 (en)
DE (1) DE3345896C2 (en)
FR (1) FR2537936B1 (en)
GB (1) GB2134055B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59213565A (en) * 1983-05-19 1984-12-03 Mitsubishi Motors Corp Power steering system
JPS61155060A (en) * 1984-12-27 1986-07-14 Jidosha Kiki Co Ltd Hydraulic reaction force unit for power steering device
US4759420A (en) * 1987-07-16 1988-07-26 General Motors Corporation Steering gear with speed sensitive detent switch
FR2647876B1 (en) * 1989-05-31 1991-08-23 Bendix France MODULATOR AND POWER STEERING CIRCUIT COMPRISING SUCH A MODULATOR
EP0548510B1 (en) * 1991-12-23 1997-12-29 Ford Motor Company Limited Hydraulic reaction variable assist power steering system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB885108A (en) * 1959-01-08 1961-12-20 Gen Motors Corp Improved road vehicle steering system
JPS5125072Y2 (en) * 1971-07-15 1976-06-26
DE2228608A1 (en) * 1972-06-12 1974-01-03 Langen & Co HYDRAULIC POWER STEERING DEVICE
GB1432555A (en) * 1972-09-08 1976-04-22 Burman & Sons Ltd Power-assisted steering gear
DE2446841A1 (en) * 1974-10-01 1976-04-15 Zahnradfabrik Friedrichshafen Vehicle power assisted steering - has stepped plunger in each control valve to limit the reaction force
JPS5393536A (en) * 1977-01-28 1978-08-16 Kayaba Ind Co Ltd Power steering device
JPS5519679A (en) * 1978-07-31 1980-02-12 Honda Motor Co Ltd Power steering gear
DE2851773C2 (en) * 1978-11-30 1986-11-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydraulic power steering device for motor vehicles
FR2448677A1 (en) * 1979-02-06 1980-09-05 Roulements Soc Nouvelle Rotary hydraulic control valve - has rotor and radial openings in casing for different valve operations
EP0044733B1 (en) * 1980-07-18 1985-01-23 Nissan Motor Co., Ltd. Vehicle hydraulic power steering system with means for controlling the operation of a power steering pump

Also Published As

Publication number Publication date
GB8333150D0 (en) 1984-01-18
DE3345896A1 (en) 1984-06-20
GB2134055A (en) 1984-08-08
KR890000859B1 (en) 1989-04-11
DE3345896C2 (en) 1995-12-07
GB2134055B (en) 1986-07-16
FR2537936A1 (en) 1984-06-22
FR2537936B1 (en) 1986-01-10

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