IT7850221A0 - Servosterzo per autoveicoli - Google Patents

Servosterzo per autoveicoli

Info

Publication number
IT7850221A0
IT7850221A0 IT7850221A IT5022178A IT7850221A0 IT 7850221 A0 IT7850221 A0 IT 7850221A0 IT 7850221 A IT7850221 A IT 7850221A IT 5022178 A IT5022178 A IT 5022178A IT 7850221 A0 IT7850221 A0 IT 7850221A0
Authority
IT
Italy
Prior art keywords
power steering
motor vehicles
steering
vehicles
motor
Prior art date
Application number
IT7850221A
Other languages
English (en)
Other versions
IT1105742B (it
Original Assignee
Friedrichshafen Rep Fed Di Ger
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 Friedrichshafen Rep Fed Di Ger filed Critical Friedrichshafen Rep Fed Di Ger
Publication of IT7850221A0 publication Critical patent/IT7850221A0/it
Application granted granted Critical
Publication of IT1105742B publication Critical patent/IT1105742B/it

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
    • B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
    • B62D5/32—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means for telemotor systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
IT50221/78A 1977-07-15 1978-07-10 Servosterzo per autoveicoli IT1105742B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2731975A DE2731975C3 (de) 1977-07-15 1977-07-15 Hilfskraftlenkung für Kraftfahrzeuge

Publications (2)

Publication Number Publication Date
IT7850221A0 true IT7850221A0 (it) 1978-07-10
IT1105742B IT1105742B (it) 1985-11-04

Family

ID=6013983

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50221/78A IT1105742B (it) 1977-07-15 1978-07-10 Servosterzo per autoveicoli

Country Status (9)

Country Link
US (1) US4237993A (it)
DD (1) DD137213A5 (it)
DE (1) DE2731975C3 (it)
ES (1) ES471699A1 (it)
FR (1) FR2397311A1 (it)
GB (1) GB2001287B (it)
IT (1) IT1105742B (it)
SE (1) SE429032B (it)
SU (1) SU873870A3 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317499A (en) * 1979-12-26 1982-03-02 Deere & Company Vehicle emergency steering system
US4690620A (en) * 1980-08-19 1987-09-01 Karl Eickmann Variable radial piston pump
FI63800C (fi) * 1982-04-27 1983-08-10 Valmet Oy Foerfarande och anordning vid skaerningen av spetsen i en pappersbana
JPS60500805A (ja) * 1983-03-23 1985-05-30 ツア−ンラトフアブリク　フリ−トリツヒシヤフエン　アクチエンゲゼルシヤフト 自動車の液圧パワーステアリング装置
US4669266A (en) * 1983-10-05 1987-06-02 Kubik, Inc. Closed-loop system for unequal displacement cylinder
DE3778643D1 (de) * 1986-11-05 1992-06-04 Zahnradfabrik Friedrichshafen Hilfskraftlenkung fuer kraftfahrzeuge.
US4762195A (en) * 1987-09-02 1988-08-09 Dana Corporation Hydraulic steering system
US5257670A (en) * 1991-09-27 1993-11-02 Trw Inc. Two pump power steering system
US5201174A (en) * 1991-12-02 1993-04-13 Deere & Company Auxiliary hydraulic pump system
SE509078C2 (sv) * 1993-10-13 1998-11-30 Kvaerner Hymac Inc Avbrottssäkrat smörjningssystem för en maskin
US6173728B1 (en) * 1998-11-06 2001-01-16 Trw Inc. Switching valve for a hydraulic power steering system
DE19855404A1 (de) * 1998-12-01 2000-06-15 Daimler Chrysler Ag Hydraulische Servolenkung für Kraftfahrzeuge
US6966398B2 (en) * 2003-03-26 2005-11-22 Trw Automotive U.S. Llc Apparatus for controlling a power-assisted steering gear in response to vehicle speed
EP1582437A1 (en) * 2004-04-01 2005-10-05 TRW Automotive U.S. LLC Apparatus for controlling a power-assisted steering gear in response to vehicle speed
GB0515494D0 (en) * 2005-07-28 2005-08-31 Bamford Excavators Ltd Fluid pumping apparatus
US7510044B2 (en) * 2007-05-11 2009-03-31 Trw Automotive U.S. Llc Power steering apparatus
CN102700603B (zh) * 2012-05-31 2013-12-25 陕西秦川机械发展股份有限公司 一种应急式双回路转向助力系统
US9840273B2 (en) 2015-12-07 2017-12-12 Caterpillar Inc. Electrohydraulic steering system with diagnostics
JP6972608B2 (ja) * 2017-03-27 2021-11-24 日本電産トーソク株式会社 スプールバルブ
CN113942569B (zh) * 2021-11-30 2022-12-06 东风商用车有限公司 一种应急助力转向系统和方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157945B (de) * 1961-02-18 1963-11-21 Zahnradfabrik Friedrichshafen Lenkeinrichtung mit Hilfskraftunterstuetzung insbesondere fuer Kraftfahrzeuge
US3407894A (en) * 1965-03-22 1968-10-29 Gen Motors Corp Auxiliary means energizing fluid steering system upon deactivation of main pump
US3625240A (en) * 1969-05-16 1971-12-07 Bendix Corp Hydraulic booster system
BE755754A (fr) * 1969-09-04 1971-03-04 Caterpillar Tractor Co Système d'alimentation supplémentaire pour les éléments hydrauliques constitutifs d'un véhicule.
US3747725A (en) * 1971-03-15 1973-07-24 Ford Motor Co Power steering system with auxiliary pump
DE2329328C2 (de) * 1973-06-08 1985-03-28 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Automatisches Zuschaltventil
US3896618A (en) * 1974-05-31 1975-07-29 Gen Signal Corp System for providing auxiliary power

Also Published As

Publication number Publication date
FR2397311A1 (fr) 1979-02-09
DD137213A5 (de) 1979-08-22
SE7807426L (sv) 1979-01-16
SU873870A3 (ru) 1981-10-15
ES471699A1 (es) 1979-02-01
DE2731975B2 (de) 1979-12-20
GB2001287B (en) 1982-01-13
FR2397311B1 (it) 1983-04-08
SE429032B (sv) 1983-08-08
DE2731975C3 (de) 1980-08-28
US4237993A (en) 1980-12-09
GB2001287A (en) 1979-01-31
DE2731975A1 (de) 1979-01-25
IT1105742B (it) 1985-11-04

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