GB1449245A - Road vehicle steering mechanisms - Google Patents

Road vehicle steering mechanisms

Info

Publication number
GB1449245A
GB1449245A GB4715973A GB4715973A GB1449245A GB 1449245 A GB1449245 A GB 1449245A GB 4715973 A GB4715973 A GB 4715973A GB 4715973 A GB4715973 A GB 4715973A GB 1449245 A GB1449245 A GB 1449245A
Authority
GB
United Kingdom
Prior art keywords
piston
detector
vehicle
yaw
chamber
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4715973A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to GB4715973A priority Critical patent/GB1449245A/en
Priority claimed from US405655A external-priority patent/US3871468A/en
Priority to FR7336408A priority patent/FR2247899A5/fr
Publication of GB1449245A publication Critical patent/GB1449245A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/04—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to forces disturbing the intended course of the vehicle, e.g. forces acting transversely to the direction of vehicle travel

Abstract

1449245 Power steering systems HONDA GIKEN KOGYO KK 9 Oct 1973 47159/73 Heading B7H A power assisted steering system is provided with means for correcting involuntary changes in the course of a vehicle due to wind or road irregularity. The system includes an actuator 5 defining a cylinder 9 accommodating a piston 7 secured at 8 to the vehicle frame F, the actuator being connected to the vehicle wheels via tie rod L. A spool valve V controls fluid flow to and from the working chambers a and b of cylinder 9 and is integral with a piston 16 and a thrust element 22. Piston 16 defines working chambers 17 1 , 17 2 which receive fluid from a yaw detector Y through respective passages 20, 19. The thrust element 6 receives a member 6 connected to the steering wheel which acts to deflect the spool valve for steering. During use if the vehicle is turned to the right spool valve V is deflected rightwardly but the yaw rate detector nozzle moves to the left to increase pressure in chamber 17 2 and oppose the thrust on element 22. In straight travel the output from the yaw detector is normally distributed equally to passages 19 and 20. If, due to say wheel slip, the vehicle turns to a lesser degree than is demanded, the yaw rate will be insufficient to raise the pressure in chamber 17 2 to fully counteract the steering force and the valve V will be further deflected. On the other hand if over steer occurs or the vehicle is caused to yaw because of side winds the yaw detector acts to increase the pressure acting on the piston 16 to exceed the thrust exerted by member 6. In another embodiment (Fig. 3, not shown) the output from the yaw rate detector is amplified. The detector Y and piston 16 are disposed externally of the actuator 5 and are hydraulically connected to a chamber (26) accommodating a piston (27) which acts in the same way as the piston 16 of the first embodiment. The amplifier includes a spool valve (29) integral with piston 16 for controlling flow to and from the chamber (26).
GB4715973A 1973-10-09 1973-10-09 Road vehicle steering mechanisms Expired GB1449245A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4715973A GB1449245A (en) 1973-10-09 1973-10-09 Road vehicle steering mechanisms
FR7336408A FR2247899A5 (en) 1973-10-09 1973-10-12

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB4715973A GB1449245A (en) 1973-10-09 1973-10-09 Road vehicle steering mechanisms
US405655A US3871468A (en) 1973-10-11 1973-10-11 Course controlling device for a vehicle
FR7336408A FR2247899A5 (en) 1973-10-09 1973-10-12
DE19732352375 DE2352375A1 (en) 1973-10-11 1973-10-18 DEVICE FOR CORRECTING THE DIRECTION OF TRAVEL OF A MOTOR VEHICLE

Publications (1)

Publication Number Publication Date
GB1449245A true GB1449245A (en) 1976-09-15

Family

ID=27431754

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4715973A Expired GB1449245A (en) 1973-10-09 1973-10-09 Road vehicle steering mechanisms

Country Status (2)

Country Link
FR (1) FR2247899A5 (en)
GB (1) GB1449245A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154523A (en) * 1984-01-31 1985-09-11 Nissan Motor Modulating vehicle steering
FR2594087A1 (en) * 1986-02-12 1987-08-14 Honda Motor Co Ltd FRAME FOR DIRECTION HOUSING

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851773C2 (en) * 1978-11-30 1986-11-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydraulic power steering device for motor vehicles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154523A (en) * 1984-01-31 1985-09-11 Nissan Motor Modulating vehicle steering
US4705130A (en) * 1984-01-31 1987-11-10 Nissan Motor Co., Ltd. Method of controlling vehicle
FR2594087A1 (en) * 1986-02-12 1987-08-14 Honda Motor Co Ltd FRAME FOR DIRECTION HOUSING

Also Published As

Publication number Publication date
FR2247899A5 (en) 1975-05-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee