GB2388351B - Steering damper for a hydraulic power-assisted steering system - Google Patents

Steering damper for a hydraulic power-assisted steering system

Info

Publication number
GB2388351B
GB2388351B GB0314922A GB0314922A GB2388351B GB 2388351 B GB2388351 B GB 2388351B GB 0314922 A GB0314922 A GB 0314922A GB 0314922 A GB0314922 A GB 0314922A GB 2388351 B GB2388351 B GB 2388351B
Authority
GB
United Kingdom
Prior art keywords
hydraulic power
steering
damper
assisted
steering system
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 - Fee Related
Application number
GB0314922A
Other versions
GB0314922D0 (en
GB2388351A (en
Inventor
Edwin Breuning
Sascha Boss
Roland Roell
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.)
ThyssenKrupp Presta Muelheim GmbH
Original Assignee
Mercedes Benz Lenkungen GmbH
ThyssenKrupp Presta Steertec 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
Application filed by Mercedes Benz Lenkungen GmbH, ThyssenKrupp Presta Steertec GmbH filed Critical Mercedes Benz Lenkungen GmbH
Priority claimed from GB0026757A external-priority patent/GB2356182B/en
Publication of GB0314922D0 publication Critical patent/GB0314922D0/en
Publication of GB2388351A publication Critical patent/GB2388351A/en
Application granted granted Critical
Publication of GB2388351B publication Critical patent/GB2388351B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/008—Reduction of noise or vibration
    • 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
    • B62D5/062—Details, component parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/027—Check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
GB0314922A 1999-11-09 2000-11-02 Steering damper for a hydraulic power-assisted steering system Expired - Fee Related GB2388351B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19953941 1999-11-09
GB0026757A GB2356182B (en) 1999-11-09 2000-11-02 Steering damper for a hydraulic power-assisted steering system

Publications (3)

Publication Number Publication Date
GB0314922D0 GB0314922D0 (en) 2003-07-30
GB2388351A GB2388351A (en) 2003-11-12
GB2388351B true GB2388351B (en) 2004-03-24

Family

ID=29217083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0314922A Expired - Fee Related GB2388351B (en) 1999-11-09 2000-11-02 Steering damper for a hydraulic power-assisted steering system

Country Status (1)

Country Link
GB (1) GB2388351B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB722385A (en) * 1952-10-21 1955-01-26 Dewandre Co Ltd C Improvements in or relating to servo-assisted steering mechanism for vehicles
DE4029156A1 (en) * 1989-10-09 1991-04-11 Volkswagen Ag Hydraulic servo steering system - has double action piston and with throttle valves in return direction
WO1998025807A1 (en) * 1996-12-11 1998-06-18 Daimler-Benz Aktiengesellschaft Damper valve configuration
US5868161A (en) * 1996-10-17 1999-02-09 Daimler-Benz Ag Damper valve
EP0983927A2 (en) * 1998-09-04 2000-03-08 Showa Corporation Damper valve for hydraulic power steering device
EP1075998A1 (en) * 1998-06-08 2001-02-14 Showa Corporation Damper valve for hydraulic power steering device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB722385A (en) * 1952-10-21 1955-01-26 Dewandre Co Ltd C Improvements in or relating to servo-assisted steering mechanism for vehicles
DE4029156A1 (en) * 1989-10-09 1991-04-11 Volkswagen Ag Hydraulic servo steering system - has double action piston and with throttle valves in return direction
US5868161A (en) * 1996-10-17 1999-02-09 Daimler-Benz Ag Damper valve
WO1998025807A1 (en) * 1996-12-11 1998-06-18 Daimler-Benz Aktiengesellschaft Damper valve configuration
EP1075998A1 (en) * 1998-06-08 2001-02-14 Showa Corporation Damper valve for hydraulic power steering device
EP0983927A2 (en) * 1998-09-04 2000-03-08 Showa Corporation Damper valve for hydraulic power steering device

Also Published As

Publication number Publication date
GB0314922D0 (en) 2003-07-30
GB2388351A (en) 2003-11-12

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Legal Events

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

Effective date: 20141102