GB1500161A - Steering gear - Google Patents

Steering gear

Info

Publication number
GB1500161A
GB1500161A GB712675A GB712675A GB1500161A GB 1500161 A GB1500161 A GB 1500161A GB 712675 A GB712675 A GB 712675A GB 712675 A GB712675 A GB 712675A GB 1500161 A GB1500161 A GB 1500161A
Authority
GB
United Kingdom
Prior art keywords
rack
pinion
servomotor
servo
steering gear
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
GB712675A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 DE19732317836 external-priority patent/DE2317836A1/en
Priority claimed from DE19732327006 external-priority patent/DE2327006A1/en
Priority claimed from DE19742408265 external-priority patent/DE2408265A1/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1500161A publication Critical patent/GB1500161A/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
    • B62D5/061—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle provided with effort, steering lock, or end-of-stroke limiters
    • 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
    • B62D5/22—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 rack-and-pinion type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)

Abstract

1500161 Servo-assisted steering gear ROBERT BOSCH GmbH 20 Feb 1975 [21 Feb 1974] 7126/75 Addition to 1469185 Heading B7H In a servo-assisted steering gear for a motor vehicle including a toothed rack 6 engaged with a pinion 5 disposed on a steering shaft 1, a servo 12 is arranged to assist movements of the rack for steering, and a control valve 17 for actuating the servomotor is operable to deactivate the servomotor in response to displacement of the rack into either one of its axial end positions. As shown in Fig. 1, a pinion 5 is rotated anticlockwise by steering shaft 1 including a Cardan joint 3, and the pinion 5 initially rides along teeth 7 to the left thus pivoting lever 22 which displaces rod 20 for actuating valve 17. Thus the appropriate chamber, i.e. 13 of the servomotor 17 is pressurized to move the rack 6 to the right until in the fully displaced position, the tooth end 9 acts as a stop to prevent pinion 5 riding further along the rack. Chamber 13, however, is still pressurized so that rod 10 and rack 6 together with pinion 5 move toward the right thus pivoting lever 22 into the initial neutral position. Thus the toothed rack ceases to be displaced to the right. Displacement and arresting'of the rack towards the left is effected in a similar, reverse, manner. In a modification, Fig. 4, the lever 22 has an extension 28 which co-operates with stops 25, 26 mounted on a side face of the rack. The pinion 5 may be guided in a movable bearing arranged parallel to the rack 6.
GB712675A 1973-04-10 1975-02-20 Steering gear Expired GB1500161A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19732317836 DE2317836A1 (en) 1973-04-10 1973-04-10 HYDRAULIC POWER STEERING DEVICE
DE19732327006 DE2327006A1 (en) 1973-05-26 1973-05-26 HYDRAULIC POWER STEERING DEVICE
DE19742408265 DE2408265A1 (en) 1973-04-10 1974-02-21 HYDRAULIC POWER STEERING DEVICE

Publications (1)

Publication Number Publication Date
GB1500161A true GB1500161A (en) 1978-02-08

Family

ID=27185177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB712675A Expired GB1500161A (en) 1973-04-10 1975-02-20 Steering gear

Country Status (1)

Country Link
GB (1) GB1500161A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2193695A (en) * 1986-06-09 1988-02-17 Trw Cam Gears Ltd Valve actuation for power assisted steering mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2193695A (en) * 1986-06-09 1988-02-17 Trw Cam Gears Ltd Valve actuation for power assisted steering mechanism
GB2193695B (en) * 1986-06-09 1989-12-20 Trw Cam Gears Ltd A power assisted vehicle steering mechanism

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee