BR112012021547A2 - sistema de direção assistida hidráulica, valvula de controle e veículo terrestre - Google Patents

sistema de direção assistida hidráulica, valvula de controle e veículo terrestre

Info

Publication number
BR112012021547A2
BR112012021547A2 BR112012021547A BR112012021547A BR112012021547A2 BR 112012021547 A2 BR112012021547 A2 BR 112012021547A2 BR 112012021547 A BR112012021547 A BR 112012021547A BR 112012021547 A BR112012021547 A BR 112012021547A BR 112012021547 A2 BR112012021547 A2 BR 112012021547A2
Authority
BR
Brazil
Prior art keywords
control valve
power steering
steering system
ground vehicle
ground
Prior art date
Application number
BR112012021547A
Other languages
English (en)
Inventor
Jeffrey E Tipton
Original Assignee
R H Sheppard Co Inc
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 R H Sheppard Co Inc filed Critical R H Sheppard Co Inc
Publication of BR112012021547A2 publication Critical patent/BR112012021547A2/pt

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
    • B62D5/083—Rotary valves
    • 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
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
BR112012021547A 2010-02-27 2010-02-27 sistema de direção assistida hidráulica, valvula de controle e veículo terrestre BR112012021547A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2010/025698 WO2011106025A1 (en) 2010-02-27 2010-02-27 Hydraulic power steering system

Publications (1)

Publication Number Publication Date
BR112012021547A2 true BR112012021547A2 (pt) 2016-08-16

Family

ID=44507136

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012021547A BR112012021547A2 (pt) 2010-02-27 2010-02-27 sistema de direção assistida hidráulica, valvula de controle e veículo terrestre

Country Status (6)

Country Link
US (1) US20120312625A1 (pt)
EP (1) EP2539206A4 (pt)
JP (1) JP2013520367A (pt)
CN (1) CN102791562A (pt)
BR (1) BR112012021547A2 (pt)
WO (1) WO2011106025A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2982232B1 (fr) * 2011-11-08 2013-11-22 Jtekt Europe Sas Valve d'assistance pour direction a assistance hydraulique de vehicule automobile
CN105667591A (zh) * 2016-03-17 2016-06-15 莱恩农业装备有限公司 旋耕机的液压转向系统
KR101876625B1 (ko) * 2016-07-26 2018-07-09 울산대학교 산학협력단 유압모터를 이용한 조향 시스템

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343334A (en) * 1976-10-01 1978-04-19 Honda Motor Co Ltd Power steering system for vehicle
DE2742688A1 (de) * 1977-09-22 1979-04-05 Zahnradfabrik Friedrichshafen Hydraulische hilfskraftlenkung mit energieversorgungseinrichtung mit druckspeicher
EP0168383B2 (de) * 1983-03-23 1991-02-27 ZF FRIEDRICHSHAFEN Aktiengesellschaft Hydraulische hilfskraftlenkung für kraftfahrzeuge
US4872393A (en) * 1987-07-15 1989-10-10 Trw Inc. Steering gear with recirculation check valve
JP2544499Y2 (ja) * 1991-08-28 1997-08-20 光洋精工株式会社 動力舵取装置
JP2543690Y2 (ja) * 1992-01-21 1997-08-13 新明和工業株式会社 作業車の舵取り装置
GB2276596B (en) * 1993-03-22 1996-10-09 Crown Gabelstapler Gmbh Steering systems for forklift trucks
US5535845A (en) * 1995-03-09 1996-07-16 Itt Automotive Electrical Systems, Inc. Automotive hydraulic system and method
DE19510208A1 (de) * 1995-03-21 1996-09-26 Zahnradfabrik Friedrichshafen Mehrachslenkanlage für Fahrzeuge
JPH08290779A (ja) * 1995-04-20 1996-11-05 Kayaba Ind Co Ltd パワーステアリング装置
JPH09249136A (ja) * 1996-03-14 1997-09-22 Unisia Jecs Corp 流量制御装置
US6318078B1 (en) * 2000-05-12 2001-11-20 Eaton Corporation Fluid controller and fluid meter bypass arrangement
US6779625B2 (en) * 2001-05-28 2004-08-24 Unisia Jkc Steering Systems Co., Ltd. Steering damper
JP4075326B2 (ja) * 2001-05-28 2008-04-16 ユニシア ジェーケーシー ステアリングシステム株式会社 ステアリングダンパ
DE10130812A1 (de) * 2001-06-26 2003-01-02 Zf Lenksysteme Gmbh Hilfskraftlenkung
JP2003054434A (ja) * 2001-08-13 2003-02-26 Kioritz Corp 四輪操舵作業車
JP4015956B2 (ja) * 2003-01-09 2007-11-28 株式会社日立製作所 パワーステアリング装置
US7610988B2 (en) * 2004-02-27 2009-11-03 Sauer-Danfoss Aps Hydraulic steering
DE102006019803B4 (de) * 2006-04-28 2008-11-27 Sauer-Danfoss Aps Hydraulische Lenkung
US7891459B2 (en) * 2006-07-06 2011-02-22 Cnh America Llc Multiple ratio steering for loader
US7913800B2 (en) * 2006-10-30 2011-03-29 Deere & Company Steering system with variable flow rate amplification ratio and associated method
DE102007053024B4 (de) * 2007-11-05 2010-03-18 Sauer-Danfoss Aps Hydraulische Lenkung
US7984785B2 (en) * 2008-02-28 2011-07-26 Eaton Corporation Control valve assembly for electro-hydraulic steering system
DE102008012668A1 (de) * 2008-03-05 2009-09-10 Robert Bosch Gmbh Hydraulische Servolenkung
US7931112B2 (en) * 2008-05-02 2011-04-26 Eaton Corporation Isolation valve for a load-reaction steering system

Also Published As

Publication number Publication date
CN102791562A (zh) 2012-11-21
WO2011106025A1 (en) 2011-09-01
US20120312625A1 (en) 2012-12-13
EP2539206A4 (en) 2014-03-12
EP2539206A1 (en) 2013-01-02
JP2013520367A (ja) 2013-06-06

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B350 Update of information on the portal [chapter 15.35 patent gazette]