DE2931139C2 - Steuerventil mit offener Mittenstellung - Google Patents

Steuerventil mit offener Mittenstellung

Info

Publication number
DE2931139C2
DE2931139C2 DE2931139A DE2931139A DE2931139C2 DE 2931139 C2 DE2931139 C2 DE 2931139C2 DE 2931139 A DE2931139 A DE 2931139A DE 2931139 A DE2931139 A DE 2931139A DE 2931139 C2 DE2931139 C2 DE 2931139C2
Authority
DE
Germany
Prior art keywords
piston
control
working
valve
edges
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
Application number
DE2931139A
Other languages
German (de)
English (en)
Other versions
DE2931139A1 (de
Inventor
Ronald Dipl.-Ing. 7074 Mögglingen Schütze
Wolfgang Dipl.-Ing. 7070 Schwäbisch Gmünd Walter
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
Priority to DE2931139A priority Critical patent/DE2931139C2/de
Priority to AR281721A priority patent/AR222235A1/es
Priority to ES493655A priority patent/ES493655A0/es
Priority to GB8024486A priority patent/GB2055718B/en
Priority to JP10492780A priority patent/JPS56128270A/ja
Priority to SE8005464A priority patent/SE443960B/sv
Priority to IT46870/80A priority patent/IT1154070B/it
Priority to BR8004815A priority patent/BR8004815A/pt
Priority to FR8017245A priority patent/FR2463039A1/fr
Publication of DE2931139A1 publication Critical patent/DE2931139A1/de
Application granted granted Critical
Publication of DE2931139C2 publication Critical patent/DE2931139C2/de
Expired 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)
  • Servomotors (AREA)
DE2931139A 1979-08-01 1979-08-01 Steuerventil mit offener Mittenstellung Expired DE2931139C2 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE2931139A DE2931139C2 (de) 1979-08-01 1979-08-01 Steuerventil mit offener Mittenstellung
AR281721A AR222235A1 (es) 1979-08-01 1980-07-10 Una valvula de distribucion para servoconduccion
ES493655A ES493655A0 (es) 1979-08-01 1980-07-24 Procedimiento y mecanismo de suministro hidraulico para di- recciones por servomecanismo.
GB8024486A GB2055718B (en) 1979-08-01 1980-07-25 Hydraulic assistance of a steering handwheel
JP10492780A JPS56128270A (en) 1979-08-01 1980-07-30 Method and device for supporting hydraulic pressure of steering movement of steering handle
SE8005464A SE443960B (sv) 1979-08-01 1980-07-30 Styrventil
IT46870/80A IT1154070B (it) 1979-08-01 1980-07-31 Procedimento e dispositivo per la servoassistenza idraulica di un movimento sterzante di un volante di guida ad azionamento manuale
BR8004815A BR8004815A (pt) 1979-08-01 1980-07-31 Processo e dispositivo para auxiliar hidraulicamente o movimento de rotacao de um volante manual de direcao
FR8017245A FR2463039A1 (fr) 1979-08-01 1980-08-01 Procede et dispositif de realisation d'une assistance hydraulique pour la commande de la direction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2931139A DE2931139C2 (de) 1979-08-01 1979-08-01 Steuerventil mit offener Mittenstellung

Publications (2)

Publication Number Publication Date
DE2931139A1 DE2931139A1 (de) 1981-02-05
DE2931139C2 true DE2931139C2 (de) 1984-01-05

Family

ID=6077307

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2931139A Expired DE2931139C2 (de) 1979-08-01 1979-08-01 Steuerventil mit offener Mittenstellung

Country Status (9)

Country Link
JP (1) JPS56128270A (it)
AR (1) AR222235A1 (it)
BR (1) BR8004815A (it)
DE (1) DE2931139C2 (it)
ES (1) ES493655A0 (it)
FR (1) FR2463039A1 (it)
GB (1) GB2055718B (it)
IT (1) IT1154070B (it)
SE (1) SE443960B (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526679A1 (de) * 1984-07-26 1986-02-06 Atsugi Motor Parts Co. Ltd., Atsugi, Kanagawa Kraftverstaerkervorrichtung fuer ein kraftfahrzeug-lenksystem
DE3537398A1 (de) * 1984-10-22 1986-04-30 Atsugi Motor Parts Co. Ltd., Atsugi, Kanagawa Kraftverstaerkervorrichtung fuer ein kraftfahrzeug-lenksystem
DE3527869A1 (de) * 1985-08-02 1987-02-12 Atsugi Motor Parts Co Ltd Kraftverstaerkervorrichtung fuer ein kraftfahrzeug-lenksystem
DE102013107097A1 (de) * 2013-07-05 2015-01-08 Zf Lenksysteme Gmbh Kolbenventil

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122368A1 (de) * 1981-06-05 1982-12-23 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydrolenkung
US4587886A (en) * 1983-04-28 1986-05-13 Jidosha Kiki Co., Ltd. Power steering device
JPS60199765A (ja) * 1984-03-24 1985-10-09 Atsugi Motor Parts Co Ltd 動力操向装置
JPS61278467A (ja) * 1985-06-03 1986-12-09 Jidosha Kiki Co Ltd 弁スリ−ブおよびその製造方法
US4953416A (en) * 1985-08-21 1990-09-04 Atsugi Motor Parts Company Limited Power steering valve with two spools of different size to compensate unbalanced cylinder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2745987A1 (de) * 1977-10-13 1979-04-19 Zahnradfabrik Friedrichshafen Steuerventil fuer hilfskraftlenkungen mit unausgeglichenem arbeitszylinder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB589381A (en) * 1944-12-04 1947-06-18 Automotive Prod Co Ltd Improvements in or relating to valves for fluid pressure systems
US2702529A (en) * 1952-04-23 1955-02-22 Gen Motors Corp Valve adapted for hydraulic power steering uses
DE1250751B (de) * 1954-01-26 1967-09-14 General Motors Corporation De troit, Mich (V St A) Steuerventil fur Hilfskraftlenkungen
GB1280302A (en) * 1969-09-22 1972-07-05 Bendiberica Sa Improvements in servo-steering devices
DE2162631C3 (de) * 1971-12-17 1979-09-13 Integral Hydraulik & Co, 4000 Duesseldorf Anordnung zur Lenkkraftbegrenzung bei hydraulischen Servolenkeinrichtungen von Fahrzeugen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2745987A1 (de) * 1977-10-13 1979-04-19 Zahnradfabrik Friedrichshafen Steuerventil fuer hilfskraftlenkungen mit unausgeglichenem arbeitszylinder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
In Betracht gezogene ältere Anmeldung: DE-OS 27 45 987

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526679A1 (de) * 1984-07-26 1986-02-06 Atsugi Motor Parts Co. Ltd., Atsugi, Kanagawa Kraftverstaerkervorrichtung fuer ein kraftfahrzeug-lenksystem
DE3537398A1 (de) * 1984-10-22 1986-04-30 Atsugi Motor Parts Co. Ltd., Atsugi, Kanagawa Kraftverstaerkervorrichtung fuer ein kraftfahrzeug-lenksystem
DE3527869A1 (de) * 1985-08-02 1987-02-12 Atsugi Motor Parts Co Ltd Kraftverstaerkervorrichtung fuer ein kraftfahrzeug-lenksystem
DE102013107097A1 (de) * 2013-07-05 2015-01-08 Zf Lenksysteme Gmbh Kolbenventil

Also Published As

Publication number Publication date
FR2463039B1 (it) 1984-07-20
GB2055718B (en) 1983-08-03
ES8106674A1 (es) 1981-09-01
BR8004815A (pt) 1981-02-10
AR222235A1 (es) 1981-04-30
ES493655A0 (es) 1981-09-01
SE8005464L (sv) 1981-02-02
IT8046870A0 (it) 1980-07-31
SE443960B (sv) 1986-03-17
FR2463039A1 (fr) 1981-02-20
IT8046870A1 (it) 1982-01-31
DE2931139A1 (de) 1981-02-05
JPS56128270A (en) 1981-10-07
JPH0134825B2 (it) 1989-07-21
GB2055718A (en) 1981-03-11
IT1154070B (it) 1987-01-21

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
8125 Change of the main classification

Ipc: B62D 5/08

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ZF FRIEDRICHSHAFEN AG, 7990 FRIEDRICHSHAFEN, DE

8339 Ceased/non-payment of the annual fee