FR2405855A1 - DISTRIBUTOR FOR ASSISTED STEERING WITH AN UNBALANCED CYLINDER - Google Patents

DISTRIBUTOR FOR ASSISTED STEERING WITH AN UNBALANCED CYLINDER

Info

Publication number
FR2405855A1
FR2405855A1 FR7828793A FR7828793A FR2405855A1 FR 2405855 A1 FR2405855 A1 FR 2405855A1 FR 7828793 A FR7828793 A FR 7828793A FR 7828793 A FR7828793 A FR 7828793A FR 2405855 A1 FR2405855 A1 FR 2405855A1
Authority
FR
France
Prior art keywords
cylinder
distributor
assisted steering
duct
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.)
Granted
Application number
FR7828793A
Other languages
French (fr)
Other versions
FR2405855B1 (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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of FR2405855A1 publication Critical patent/FR2405855A1/en
Application granted granted Critical
Publication of FR2405855B1 publication Critical patent/FR2405855B1/fr
Granted 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
    • B62D5/08—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 steering valve used

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Multiple-Way Valves (AREA)
  • Actuator (AREA)

Abstract

L'invention concerne un distributeur pour directions assistées comportant un vérin non équilibré. Une pression différentielle des deux chambres de travail 11 et 11' du vérin de direction 12 est établie par deux étranglements dont l'un 16 est intercalé entre la chambre 11 du vérin 12 présentant la surface efficace la plus petite et un conduit de retour 15 et dont le second 16' est monté en aval du conduit 8 d'admission du fluide de travail et en amont d'un branchement 13' d'un conduit 10' reliant la chambre 11' présentant la surface efficace la plus grande à l'arête de retour 14'. Application aux directions assistées de véhicules.The invention relates to a distributor for power steering comprising an unbalanced cylinder. A differential pressure between the two working chambers 11 and 11 'of the steering cylinder 12 is established by two constrictions, one of which 16 is interposed between the chamber 11 of the cylinder 12 having the smallest effective surface and a return duct 15 and the second 16 'of which is mounted downstream of the working fluid inlet duct 8 and upstream of a branch 13' of a duct 10 'connecting the chamber 11' having the largest effective surface area at the edge back 14 '. Application to vehicle power steering.

FR7828793A 1977-10-13 1978-10-09 DISTRIBUTOR FOR ASSISTED STEERING WITH AN UNBALANCED CYLINDER Granted FR2405855A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2745987A DE2745987C2 (en) 1977-10-13 1977-10-13 Hydraulic power steering, in particular for motor vehicles

Publications (2)

Publication Number Publication Date
FR2405855A1 true FR2405855A1 (en) 1979-05-11
FR2405855B1 FR2405855B1 (en) 1984-08-24

Family

ID=6021313

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7828793A Granted FR2405855A1 (en) 1977-10-13 1978-10-09 DISTRIBUTOR FOR ASSISTED STEERING WITH AN UNBALANCED CYLINDER

Country Status (9)

Country Link
JP (1) JPS5464333A (en)
BR (1) BR7806744A (en)
CS (1) CS222667B2 (en)
DE (1) DE2745987C2 (en)
ES (1) ES474117A1 (en)
FR (1) FR2405855A1 (en)
GB (1) GB2005611B (en)
IT (1) IT1106180B (en)
SE (1) SE439910B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3043968A1 (en) * 1979-11-26 1981-06-04 D.B.A. Bendix Lockheed Air Equipement, Paris CONTROL DISTRIBUTOR FOR A LIFTING DEVICE

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2931139C2 (en) * 1979-08-01 1984-01-05 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Control valve with open center position
GB2075932B (en) * 1980-05-14 1983-09-01 Cam Gears Ltd Power assisted vehicle steering system
DE3122368A1 (en) * 1981-06-05 1982-12-23 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen HYDRO CONTROL
US4587886A (en) * 1983-04-28 1986-05-13 Jidosha Kiki Co., Ltd. Power steering device
JPS6133368A (en) * 1984-07-26 1986-02-17 Atsugi Motor Parts Co Ltd Power steering

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1153774A (en) * 1955-06-10 1958-03-21 Differential piston servo motor, in particular for motor vehicle steering gears
US2916015A (en) * 1956-01-05 1959-12-08 Dewandre Co Ltd C Power-operated steering mechanism for road vehicles
FR2270467A1 (en) * 1974-03-29 1975-12-05 Mercier Bernard

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556155A (en) * 1969-01-24 1971-01-19 Caterpillar Tractor Co Variable flow-modulated valve
JPS4920664U (en) * 1972-05-26 1974-02-21
JPS5428735Y2 (en) * 1974-08-15 1979-09-14

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1153774A (en) * 1955-06-10 1958-03-21 Differential piston servo motor, in particular for motor vehicle steering gears
US2916015A (en) * 1956-01-05 1959-12-08 Dewandre Co Ltd C Power-operated steering mechanism for road vehicles
FR2270467A1 (en) * 1974-03-29 1975-12-05 Mercier Bernard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3043968A1 (en) * 1979-11-26 1981-06-04 D.B.A. Bendix Lockheed Air Equipement, Paris CONTROL DISTRIBUTOR FOR A LIFTING DEVICE

Also Published As

Publication number Publication date
IT7851392A0 (en) 1978-10-05
DE2745987A1 (en) 1979-04-19
JPS5464333A (en) 1979-05-24
SE7810507L (en) 1979-04-14
FR2405855B1 (en) 1984-08-24
BR7806744A (en) 1979-05-08
CS222667B2 (en) 1983-07-29
ES474117A1 (en) 1979-05-01
GB2005611B (en) 1982-05-12
JPS6257545B2 (en) 1987-12-01
GB2005611A (en) 1979-04-25
SE439910B (en) 1985-07-08
DE2745987C2 (en) 1982-10-21
IT1106180B (en) 1985-11-11

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Legal Events

Date Code Title Description
ST Notification of lapse