BR8707809A - Valvula com distribuidor giratorio para direcoes hidraulicas de forca auxiliar - Google Patents

Valvula com distribuidor giratorio para direcoes hidraulicas de forca auxiliar

Info

Publication number
BR8707809A
BR8707809A BR8707809A BR8707809A BR8707809A BR 8707809 A BR8707809 A BR 8707809A BR 8707809 A BR8707809 A BR 8707809A BR 8707809 A BR8707809 A BR 8707809A BR 8707809 A BR8707809 A BR 8707809A
Authority
BR
Brazil
Prior art keywords
valve
auxiliary power
power hydraulic
rotary distributor
directions
Prior art date
Application number
BR8707809A
Other languages
English (en)
Inventor
Dieter Elser
Walter Kogel
Helmut Hetzel
Original Assignee
Zahnradfabrik Friedrichshafen
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 Zahnradfabrik Friedrichshafen filed Critical Zahnradfabrik Friedrichshafen
Publication of BR8707809A publication Critical patent/BR8707809A/pt

Links

Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • 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
    • B62D5/083—Rotary valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/02—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to vehicle speed
    • 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
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86662—Axial and radial flow
BR8707809A 1986-09-19 1987-09-16 Valvula com distribuidor giratorio para direcoes hidraulicas de forca auxiliar BR8707809A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP8600543 1986-09-19
PCT/EP1987/000524 WO1988001959A1 (en) 1986-09-19 1987-09-16 Rotary gate valve for hydraulic servo-assisted steering systems

Publications (1)

Publication Number Publication Date
BR8707809A true BR8707809A (pt) 1989-08-15

Family

ID=8165139

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8707809A BR8707809A (pt) 1986-09-19 1987-09-16 Valvula com distribuidor giratorio para direcoes hidraulicas de forca auxiliar

Country Status (7)

Country Link
US (1) US5086687A (pt)
EP (1) EP0326562B1 (pt)
JP (1) JPH02500015A (pt)
KR (1) KR880701848A (pt)
BR (1) BR8707809A (pt)
DE (1) DE3731256A1 (pt)
WO (1) WO1988001959A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0347879U (pt) * 1989-09-19 1991-05-07
DE4201311C1 (pt) * 1992-01-18 1993-02-25 Trw Ehrenreich Gmbh & Co Kg, 4000 Duesseldorf, De
AU3617193A (en) * 1992-02-25 1993-09-13 Techco Corporation Control valves having parasitic leakage orifices
US5269215A (en) * 1992-02-25 1993-12-14 Techco Corporation Control valves having parasitic leakage orifices
CZ230497A3 (en) * 1995-12-09 1997-11-12 Trw Fahrwerksyst Gmbh & Co Steering system valve with closed center
DE19717796C2 (de) * 1997-04-26 1999-03-04 Zahnradfabrik Friedrichshafen Hilftskraftlenkung mit hydraulischer Hilfskraftunterstützung
DE19833438A1 (de) * 1998-07-24 2000-01-27 Zahnradfabrik Friedrichshafen Drehschieberventil für Hilfskraftlenkungen von Kraftfahrzeugen
JP4351583B2 (ja) * 2004-05-21 2009-10-28 株式会社日立製作所 パワーステアリング装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992633A (en) * 1959-05-26 1961-07-18 Thompson Ramo Wooldridge Inc Fluid pressure operated servo actuator
US4173987A (en) * 1977-02-16 1979-11-13 Atsugi Motor Parts Co., Ltd. Power steering system
DE2843592C3 (de) * 1978-10-06 1981-11-19 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hilfskraftlenkgetriebe
EP0086570B1 (en) * 1982-02-15 1990-03-14 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Digital signal processor
JPH0645343B2 (ja) * 1984-04-27 1994-06-15 豊田工機株式会社 動力舵取装置の操舵力制御装置
JPS60178279U (ja) * 1984-05-09 1985-11-27 光洋精工株式会社 動力舵取装置の油圧反力制御装置
AU568946B2 (en) * 1984-08-08 1988-01-14 Bishop Steering Technology Limited Power steering control valve
JPH0629040B2 (ja) * 1984-10-11 1994-04-20 光洋精工株式会社 動力舵取装置の油圧反力制御装置
FR2579548B1 (fr) * 1985-03-26 1989-12-22 Renault Systeme de direction assistee a double circuit
JPS62198567A (ja) * 1986-02-26 1987-09-02 Toyota Motor Corp 車両用動力舵取装置
SE465938B (sv) * 1986-03-21 1991-11-18 Zahnradfabrik Friedrichshafen Foerdelningsventil med reglerkolv (slid) foer minst tvaa arbetskretsar
JPS62198178U (pt) * 1986-06-09 1987-12-16
EP0295796A1 (en) * 1987-06-15 1988-12-21 A.E. Bishop & Associates Pty. Limited A rotary hydraulic valve
US4899842A (en) * 1987-10-30 1990-02-13 Jidosha Kiki Co., Ltd. Steering force controller for power steering apparatus
US4858712A (en) * 1988-08-29 1989-08-22 Trw Inc. Speed responsive power steering system

Also Published As

Publication number Publication date
US5086687A (en) 1992-02-11
DE3731256A1 (de) 1988-04-07
EP0326562A1 (de) 1989-08-09
EP0326562B1 (de) 1990-06-20
KR880701848A (ko) 1988-11-05
JPH02500015A (ja) 1990-01-11
WO1988001959A1 (en) 1988-03-24

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)