FR2418134A1 - Dispositif de commande de mecanismes de direction assistee - Google Patents

Dispositif de commande de mecanismes de direction assistee

Info

Publication number
FR2418134A1
FR2418134A1 FR7904172A FR7904172A FR2418134A1 FR 2418134 A1 FR2418134 A1 FR 2418134A1 FR 7904172 A FR7904172 A FR 7904172A FR 7904172 A FR7904172 A FR 7904172A FR 2418134 A1 FR2418134 A1 FR 2418134A1
Authority
FR
France
Prior art keywords
power steering
steering mechanisms
control device
mechanisms control
drawer
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
FR7904172A
Other languages
English (en)
Other versions
FR2418134B1 (fr
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 FR2418134A1 publication Critical patent/FR2418134A1/fr
Application granted granted Critical
Publication of FR2418134B1 publication Critical patent/FR2418134B1/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
    • B62D5/087—Sliding spool valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)

Abstract

L'invention concerne un dispositif de commande de mécanismes de direction assistée. Ledit dispositif comporte un cylindre de distributeur dans l'alésage duquel coulisse un tiroir présentant des cordons coopérant avec des orifices et des portées du cylindre du distributeur. Les cordons intercalés entre le cylindre de travail et la pompe à commande musculaire sont sous la forme de gorges ménagées dans le tiroir et dont un bord est destiné à assurer l'étanchéité tandis que l'autre bord est constitué par une portée assurant un étranglement. La largeur de la gorge est supérieure à la saillie du cylindre du distributeur. Application aux directions assistées de véhicules automobiles.
FR7904172A 1978-02-22 1979-02-19 Dispositif de commande de mecanismes de direction assistee Granted FR2418134A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2807464A DE2807464C2 (de) 1978-02-22 1978-02-22 Hilfskraftlenkung

Publications (2)

Publication Number Publication Date
FR2418134A1 true FR2418134A1 (fr) 1979-09-21
FR2418134B1 FR2418134B1 (fr) 1984-02-10

Family

ID=6032582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904172A Granted FR2418134A1 (fr) 1978-02-22 1979-02-19 Dispositif de commande de mecanismes de direction assistee

Country Status (6)

Country Link
US (1) US4232584A (fr)
DE (1) DE2807464C2 (fr)
FR (1) FR2418134A1 (fr)
IT (1) IT1115035B (fr)
RO (1) RO77863A (fr)
SU (1) SU923358A3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0710650U (ja) * 1993-07-26 1995-02-14 株式会社小松製作所 全油圧式ステアリングシステムの方向制御弁
US6769884B2 (en) * 2000-12-11 2004-08-03 Cory L. Miller Hydraulic drive system for piston pumps
WO2006048900A1 (fr) * 2004-11-08 2006-05-11 Duplomatic Oleodinamica S.P.A. Distributeur hydraulique a detection de charge
JP2008537069A (ja) * 2005-04-20 2008-09-11 ブーハー・ヒドラウリクス・アクチェンゲゼルシャフト 油圧モータ用の切換弁
JP6198750B2 (ja) * 2011-12-15 2017-09-20 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ バルブの流路制御スプール

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119235A (en) * 1960-09-06 1964-01-28 Bendix Corp Control valve
US3176721A (en) * 1963-10-04 1965-04-06 Clark Equipment Co Hydraulic valve
US3273468A (en) * 1965-01-26 1966-09-20 Fawick Corp Hydraulic system with regenerative position
US3312246A (en) * 1964-09-21 1967-04-04 Bendix Corp Power steering valve
FR2052265A5 (fr) * 1969-06-02 1971-04-09 Trw Inc
US3581771A (en) * 1969-10-22 1971-06-01 Garrison Mfg Co Inc Power steering valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963316A (en) * 1958-11-24 1960-12-06 Gen Motors Corp Backlite sunshade
DE2334365C3 (de) * 1973-07-06 1980-03-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Steuerventil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119235A (en) * 1960-09-06 1964-01-28 Bendix Corp Control valve
US3176721A (en) * 1963-10-04 1965-04-06 Clark Equipment Co Hydraulic valve
US3312246A (en) * 1964-09-21 1967-04-04 Bendix Corp Power steering valve
US3273468A (en) * 1965-01-26 1966-09-20 Fawick Corp Hydraulic system with regenerative position
FR2052265A5 (fr) * 1969-06-02 1971-04-09 Trw Inc
US3581771A (en) * 1969-10-22 1971-06-01 Garrison Mfg Co Inc Power steering valve

Also Published As

Publication number Publication date
US4232584A (en) 1980-11-11
DE2807464A1 (de) 1979-08-23
DE2807464C2 (de) 1982-11-25
IT1115035B (it) 1986-02-03
SU923358A3 (ru) 1982-04-23
RO77863A (fr) 1981-12-25
IT7948049A0 (it) 1979-02-20
FR2418134B1 (fr) 1984-02-10

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Legal Events

Date Code Title Description
ST Notification of lapse