DE602005014704D1 - Hydraulische Servolenkung mit variabler Lenkübersetzung - Google Patents

Hydraulische Servolenkung mit variabler Lenkübersetzung

Info

Publication number
DE602005014704D1
DE602005014704D1 DE602005014704T DE602005014704T DE602005014704D1 DE 602005014704 D1 DE602005014704 D1 DE 602005014704D1 DE 602005014704 T DE602005014704 T DE 602005014704T DE 602005014704 T DE602005014704 T DE 602005014704T DE 602005014704 D1 DE602005014704 D1 DE 602005014704D1
Authority
DE
Germany
Prior art keywords
steering
hydraulic power
variable
ratio
power steering
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.)
Active
Application number
DE602005014704T
Other languages
English (en)
Inventor
Yukihiro Kobayashi
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.)
JTEKT Corp
Original Assignee
JTEKT Corp
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 JTEKT Corp filed Critical JTEKT Corp
Publication of DE602005014704D1 publication Critical patent/DE602005014704D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B62D5/008—Changing the transfer ratio between the steering wheel and the steering gear by variable supply of energy, e.g. by using a superposition gear
    • 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
    • B62D5/065—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 specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
    • 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
    • B62D5/09—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 means for actuating valves
    • B62D5/091—Hydraulic steer-by-wire systems, e.g. the valve being actuated by an electric motor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Power Steering Mechanism (AREA)
  • Steering Controls (AREA)
DE602005014704T 2004-04-20 2005-04-05 Hydraulische Servolenkung mit variabler Lenkübersetzung Active DE602005014704D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004123747A JP4453429B2 (ja) 2004-04-20 2004-04-20 油圧式のギア比可変パワーステアリング装置

Publications (1)

Publication Number Publication Date
DE602005014704D1 true DE602005014704D1 (de) 2009-07-16

Family

ID=34934767

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005014704T Active DE602005014704D1 (de) 2004-04-20 2005-04-05 Hydraulische Servolenkung mit variabler Lenkübersetzung

Country Status (5)

Country Link
US (1) US7306070B2 (de)
EP (1) EP1588923B1 (de)
JP (1) JP4453429B2 (de)
CN (1) CN100551759C (de)
DE (1) DE602005014704D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7306535B2 (en) * 2004-06-29 2007-12-11 Delphi Technologies, Inc. Vehicle steering device and method
EP1802511B1 (de) * 2004-10-16 2010-07-07 ThyssenKrupp Presta Aktiengesellschaft Einrichtung zur drehzahlüberlagerung für ein lenksystem
JP2007055571A (ja) * 2005-07-28 2007-03-08 Fuji Kiko Co Ltd 可変舵角比操舵装置のロック構造
US7819041B2 (en) 2005-11-24 2010-10-26 Jtekt Corporation Transmission ratio variable device and steering gear
JP5135722B2 (ja) * 2006-06-19 2013-02-06 株式会社ジェイテクト 車両用操舵装置
JP5115344B2 (ja) * 2008-06-11 2013-01-09 株式会社デンソー 車載電子制御装置及び操舵制御システム
US8132984B2 (en) * 2009-04-01 2012-03-13 Wacker Neuson Production Americas Llc Multiple preset concrete trowel steering system
DE102010009362A1 (de) * 2010-02-25 2011-08-25 Thyssenkrupp Presta Ag Lenksystem mit hydraulischer Lenksäule
KR20130090527A (ko) * 2012-02-06 2013-08-14 주식회사 만도 하이브리드 파워 스티어링 시스템
US20160200349A1 (en) * 2015-01-09 2016-07-14 Paccar Inc Steering system having dual steering ratios
US10486645B2 (en) * 2015-11-20 2019-11-26 Ford Global Technologies, Llc Lock for vehicle active front steering system
KR102660330B1 (ko) * 2017-02-23 2024-04-24 에이치엘만도 주식회사 조향휠 회전제한장치
KR102575396B1 (ko) * 2018-06-21 2023-09-07 현대자동차주식회사 Sbw시스템의 조향각 제한장치
CN109533017A (zh) * 2018-10-29 2019-03-29 南京金龙新能源汽车研究院有限公司 一种电子液压助力转向系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6167664A (ja) 1984-09-10 1986-04-07 Toyoda Mach Works Ltd 動力舵取装置の操舵力制御装置
JPS62175263A (ja) * 1986-01-30 1987-07-31 Hitachi Ltd 電動パワ−ステアリング制御装置
JPH0256274A (ja) 1988-08-22 1990-02-26 Nippon Telegr & Teleph Corp <Ntt> ポリイミド・ラングミュア・ブロジェット膜の製造方法
DE19540956C1 (de) 1995-11-03 1997-03-06 Daimler Benz Ag Servolenkung für Kraftfahrzeuge
JP3496211B2 (ja) 1997-05-23 2004-02-09 トヨタ自動車株式会社 車両用操舵装置
US6164150A (en) 1997-05-23 2000-12-26 Toyota Jidosha Kabushiki Kaisha Vehicle steering apparatus
DE19805015C1 (de) 1998-02-07 1999-07-08 Daimler Chrysler Ag Lenksystem
JP2000198453A (ja) * 1998-12-29 2000-07-18 Robert Bosch Gmbh 車両のステア―バイ―ワイヤ操舵システム
JP4019873B2 (ja) * 2001-10-12 2007-12-12 日産自動車株式会社 舵角比制御装置
JP2003312515A (ja) * 2002-04-24 2003-11-06 Koyo Seiko Co Ltd 車両用操舵装置
JP3867682B2 (ja) * 2003-05-29 2007-01-10 日産自動車株式会社 車両用操舵装置
DE102004009817A1 (de) 2004-02-28 2005-09-15 Zf Lenksysteme Gmbh Servounterstüztes Lenksystem für ein Kraftfahrzeug und Verfahren zum Betrieb des Lenksystems
US7530422B2 (en) * 2004-09-17 2009-05-12 Delphi Technologies, Inc. Force and position control for active front steering

Also Published As

Publication number Publication date
JP4453429B2 (ja) 2010-04-21
CN1689886A (zh) 2005-11-02
EP1588923A2 (de) 2005-10-26
EP1588923B1 (de) 2009-06-03
CN100551759C (zh) 2009-10-21
EP1588923A3 (de) 2005-11-30
US7306070B2 (en) 2007-12-11
US20050229592A1 (en) 2005-10-20
JP2005306131A (ja) 2005-11-04

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Legal Events

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8364 No opposition during term of opposition