FR2277713A1 - Dispositif de reduction des efforts mecaniques dans un mecanisme de direction assistee dans les positions en butee de ce mecanisme - Google Patents

Dispositif de reduction des efforts mecaniques dans un mecanisme de direction assistee dans les positions en butee de ce mecanisme

Info

Publication number
FR2277713A1
FR2277713A1 FR7423696A FR7423696A FR2277713A1 FR 2277713 A1 FR2277713 A1 FR 2277713A1 FR 7423696 A FR7423696 A FR 7423696A FR 7423696 A FR7423696 A FR 7423696A FR 2277713 A1 FR2277713 A1 FR 2277713A1
Authority
FR
France
Prior art keywords
stop
positions
reduction device
assisted steering
mechanical efforts
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.)
Withdrawn
Application number
FR7423696A
Other languages
English (en)
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.)
POWERSTEERING TRUST REG
Original Assignee
POWERSTEERING TRUST REG
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 to US482718A priority Critical patent/US3896703A/en
Priority to NL7409153A priority patent/NL7409153A/xx
Application filed by POWERSTEERING TRUST REG filed Critical POWERSTEERING TRUST REG
Priority to FR7423696A priority patent/FR2277713A1/fr
Priority to CH949574A priority patent/CH578450A5/xx
Publication of FR2277713A1 publication Critical patent/FR2277713A1/fr
Withdrawn legal-status Critical Current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
    • B62D5/10—Power-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 power unit
    • B62D5/12—Piston and cylinder
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Analytical Chemistry (AREA)
  • Power Steering Mechanism (AREA)
FR7423696A 1974-06-24 1974-07-08 Dispositif de reduction des efforts mecaniques dans un mecanisme de direction assistee dans les positions en butee de ce mecanisme Withdrawn FR2277713A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US482718A US3896703A (en) 1974-06-24 1974-06-24 Arrangement for relieving the mechanical stresses in power assisted steering for vehicles in the full-lock steering positions
NL7409153A NL7409153A (nl) 1974-06-24 1974-07-05 Constructie voor het opheffen of verminderen van de mechanische spanningen in een rembe- krachtiging voor voertuigen in de volledig ge- blokkeerde stuurstanden.
FR7423696A FR2277713A1 (fr) 1974-06-24 1974-07-08 Dispositif de reduction des efforts mecaniques dans un mecanisme de direction assistee dans les positions en butee de ce mecanisme
CH949574A CH578450A5 (fr) 1974-06-24 1974-07-10

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US482718A US3896703A (en) 1974-06-24 1974-06-24 Arrangement for relieving the mechanical stresses in power assisted steering for vehicles in the full-lock steering positions
NL7409153A NL7409153A (nl) 1974-06-24 1974-07-05 Constructie voor het opheffen of verminderen van de mechanische spanningen in een rembe- krachtiging voor voertuigen in de volledig ge- blokkeerde stuurstanden.
FR7423696A FR2277713A1 (fr) 1974-06-24 1974-07-08 Dispositif de reduction des efforts mecaniques dans un mecanisme de direction assistee dans les positions en butee de ce mecanisme
CH949574A CH578450A5 (fr) 1974-06-24 1974-07-10

Publications (1)

Publication Number Publication Date
FR2277713A1 true FR2277713A1 (fr) 1976-02-06

Family

ID=27429226

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423696A Withdrawn FR2277713A1 (fr) 1974-06-24 1974-07-08 Dispositif de reduction des efforts mecaniques dans un mecanisme de direction assistee dans les positions en butee de ce mecanisme

Country Status (4)

Country Link
US (1) US3896703A (fr)
CH (1) CH578450A5 (fr)
FR (1) FR2277713A1 (fr)
NL (1) NL7409153A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393713A1 (fr) * 1977-06-11 1979-01-05 Bendiberica Sa Perfectionnements aux valves de servo-direction
FR2455541A1 (fr) * 1979-05-03 1980-11-28 Riva Calzoni Spa Dispositif de fin de course pour mecanisme de servo-direction hydraulique

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028998A (en) * 1975-12-02 1977-06-14 Zahnradfabrik Friedrichshafen Ag Auxiliary power steering gear for motor vehicles having a common hydraulic system
US4111100A (en) * 1977-03-07 1978-09-05 Phd, Inc. Non-rotatable fluid powered nozzle and valve combination
DE2756567B2 (de) * 1977-12-19 1980-01-03 Gustav Dr.-Ing. 4300 Essen Jenne Steuervorrichtung für den Vor- und Rücklauf von selbstgetriebenen pneumatischen Rammbohrgeräten
DE2930498A1 (de) * 1979-07-27 1981-02-12 Zahnradfabrik Friedrichshafen Hilfskraftlenkung, insbesondere fuer kraftfahrzeuge
ES505159A0 (es) * 1981-08-04 1982-06-16 Bendiberica Sa Perfeccionamientos en distribuidores fluidodinamicos
US4648307A (en) * 1985-10-10 1987-03-10 Trw, Inc. Unloading valve for power steering piston with integral gear
US4773303A (en) * 1987-12-21 1988-09-27 Trw Inc. Apparatus and method for readjusting pressure relief poppet valves
US5803201A (en) * 1996-06-05 1998-09-08 R. H. Sheppard Co., Inc. Hydraulic power steering gear assembly with unloading valve
DE10321280A1 (de) * 2003-05-13 2004-12-23 Zf Friedrichshafen Ag Schalteinrichtung
DE112013006484T5 (de) * 2013-01-23 2015-10-29 Hitachi Automotive Systems Steering, Ltd. Integrierte Servolenkvorrichtung
US11326453B2 (en) * 2020-03-17 2022-05-10 Lucas IHSL Displacement expanding apparatus and engine including the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2261444A (en) * 1938-12-20 1941-11-04 Jr Oscar Neubert Follow-up valve
US2394384A (en) * 1941-07-21 1946-02-05 Sperry Gyroscope Co Ltd Dual control system
US3083693A (en) * 1958-09-17 1963-04-02 Kunz Robert Henry Multi-port valve assembly
US3092083A (en) * 1960-01-18 1963-06-04 Richard H Sheppard Piston for power steering system
BE666408A (fr) * 1964-07-09
FR2006183A1 (fr) * 1968-04-13 1969-12-19 Daimler Benz Ag

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393713A1 (fr) * 1977-06-11 1979-01-05 Bendiberica Sa Perfectionnements aux valves de servo-direction
FR2455541A1 (fr) * 1979-05-03 1980-11-28 Riva Calzoni Spa Dispositif de fin de course pour mecanisme de servo-direction hydraulique

Also Published As

Publication number Publication date
CH578450A5 (fr) 1976-08-13
US3896703A (en) 1975-07-29
NL7409153A (nl) 1976-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse