GB954352A - Improvements in power-assisted steering mechanism - Google Patents

Improvements in power-assisted steering mechanism

Info

Publication number
GB954352A
GB954352A GB3130359A GB3130359A GB954352A GB 954352 A GB954352 A GB 954352A GB 3130359 A GB3130359 A GB 3130359A GB 3130359 A GB3130359 A GB 3130359A GB 954352 A GB954352 A GB 954352A
Authority
GB
United Kingdom
Prior art keywords
valve
steering
spool
faces
piston
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
GB3130359A
Inventor
Frederick John Adams
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.)
Hydrosteer Ltd
Original Assignee
Hydrosteer 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 Hydrosteer Ltd filed Critical Hydrosteer Ltd
Priority to GB3130359A priority Critical patent/GB954352A/en
Priority to DEH38095A priority patent/DE1176007B/en
Priority to FR812903A priority patent/FR1242275A/en
Publication of GB954352A publication Critical patent/GB954352A/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
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
    • B62D5/24—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for worm type

Abstract

954,352. Steering motor vehicles. HYDROSTEER Ltd. June 29, 1960 [Sept. 14, 1959], No. 31303/59. Heading B7H. In a motor vehicle power assisted steering mechanism having a follow-up action, there is provided a power control valve having resilient means biasing it to its neutral position, the biasing force increasing with the displacement of the valve, means being provided to reduce the biasing force as the valve reaches its limiting displacement. A manual steering control comprises a steering shaft 6, a worm 19 and nut 20 provided with circulating balls 21, the nut being carried by a rocker arm 22 on a rocker shaft 23 coupled to the steering transmission. The nut is connected by a rod 26 to a double acting piston 24 and a limited amount of axial play is provided in the steering shaft to operate a valve 1 controlling the supply of pressure fluid to the piston. Liquid is supplied to the valve through connection 3 and returned to the reservoir through connection 4, there being means to convey liquid to each side of the piston. The valve comprises a housing 2, a spool 1 provided with a ball 5 engaging a groove in the steering shaft 6, and an insert 16<SP>1</SP>. The spool has control faces 9, 10, 13, 14 which may co-operate with closing rings 11 and 12 and faces 15 and 16 on the insert 16<SP>1</SP> respectively. Spring rings 17 and 18 bias the spool to the neutral position, Fig. 1, in which liquid can flow past the faces 13 and 14 and past the rings 11 and 12 to the return connection 4. When a steering movement is commenced, the valve spool is moved by the reaction against the pressure of spring 17, Fig. 2 (or 18 if in the opposite direction). The face 9 co-operates with the ring 11 to direct the fluid to the appropriate side of the piston and the faces 14 and 16 come together to seal that side of the piston from exhaust. At the limiting position, when faces 14 and 16 are in contact, the fluid pressures acting on the spool 1 are unbalanced (owing to the change in areas contacted by the fluid) to provide a bias opposing that of the spring.
GB3130359A 1959-09-14 1959-09-14 Improvements in power-assisted steering mechanism Expired GB954352A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3130359A GB954352A (en) 1959-09-14 1959-09-14 Improvements in power-assisted steering mechanism
DEH38095A DE1176007B (en) 1959-09-14 1959-12-08 Power-assisted steering gear
FR812903A FR1242275A (en) 1959-09-14 1959-12-12 Advanced training in power steering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3130359A GB954352A (en) 1959-09-14 1959-09-14 Improvements in power-assisted steering mechanism

Publications (1)

Publication Number Publication Date
GB954352A true GB954352A (en) 1964-04-02

Family

ID=10321124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3130359A Expired GB954352A (en) 1959-09-14 1959-09-14 Improvements in power-assisted steering mechanism

Country Status (3)

Country Link
DE (1) DE1176007B (en)
FR (1) FR1242275A (en)
GB (1) GB954352A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE583901C (en) * 1931-01-19 1933-09-13 Francis Wright Davis Steering device, especially for motor vehicles
US2432721A (en) * 1944-03-30 1947-12-16 Bendix Aviat Corp Steering gear control
DE1711872U (en) * 1955-03-16 1955-12-01 Gen Motors Corp POWER STEERING FOR MOTOR VEHICLES.
DE1057892B (en) * 1955-06-07 1959-05-21 Bendix Aviat Corp Control slide, in particular for hydraulic steering devices of motor vehicles
DE1050671B (en) * 1955-06-13
DE1034991B (en) * 1957-01-12 1958-07-24 Daimler Benz Ag Power steering device for motor vehicles
DE1057471B (en) * 1957-02-20 1959-05-14 Fulminawerk K G Franz Mueller Steering gear with hydraulic power steering for vehicles with divided steering shaft

Also Published As

Publication number Publication date
FR1242275A (en) 1960-09-23
DE1176007B (en) 1964-08-13

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