DE602006004640D1 - Ruckfreies Ventil - Google Patents

Ruckfreies Ventil

Info

Publication number
DE602006004640D1
DE602006004640D1 DE602006004640T DE602006004640T DE602006004640D1 DE 602006004640 D1 DE602006004640 D1 DE 602006004640D1 DE 602006004640 T DE602006004640 T DE 602006004640T DE 602006004640 T DE602006004640 T DE 602006004640T DE 602006004640 D1 DE602006004640 D1 DE 602006004640D1
Authority
DE
Germany
Prior art keywords
jerk
free valve
valve
free
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
DE602006004640T
Other languages
English (en)
Inventor
Wade L Gehlhoff
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.)
Eaton Corp
Original Assignee
Eaton 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 Eaton Corp filed Critical Eaton Corp
Publication of DE602006004640D1 publication Critical patent/DE602006004640D1/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
    • B62D12/00—Steering specially adapted for vehicles operating in tandem or having pivotally connected frames
    • 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
    • B62D5/093—Telemotor driven by steering wheel movement
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
    • 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
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/3051—Cross-check valves
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/57—Control of a differential pressure
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/85—Control during special operating conditions
    • F15B2211/853—Control during special operating conditions during stopping
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8613—Control during or prevention of abnormal conditions the abnormal condition being oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Power Steering Mechanism (AREA)
  • Multiple-Way Valves (AREA)
DE602006004640T 2005-05-09 2006-05-05 Ruckfreies Ventil Active DE602006004640D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/124,933 US7124579B1 (en) 2005-05-09 2005-05-09 Anti jerk valve

Publications (1)

Publication Number Publication Date
DE602006004640D1 true DE602006004640D1 (de) 2009-02-26

Family

ID=36764050

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006004640T Active DE602006004640D1 (de) 2005-05-09 2006-05-05 Ruckfreies Ventil

Country Status (5)

Country Link
US (1) US7124579B1 (de)
EP (1) EP1722109B1 (de)
JP (1) JP2006316998A (de)
CN (1) CN1862031B (de)
DE (1) DE602006004640D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7516757B2 (en) * 2006-03-31 2009-04-14 Eaton Corporation Power beyond steering system
US7831352B2 (en) * 2007-03-16 2010-11-09 The Hartfiel Company Hydraulic actuator control system
US7984785B2 (en) 2008-02-28 2011-07-26 Eaton Corporation Control valve assembly for electro-hydraulic steering system
US7931112B2 (en) * 2008-05-02 2011-04-26 Eaton Corporation Isolation valve for a load-reaction steering system
US8684037B2 (en) * 2009-08-05 2014-04-01 Eaton Corportion Proportional poppet valve with integral check valve
US8286652B2 (en) * 2009-09-22 2012-10-16 Eaton Corporation Configurable active jerk control
US8770543B2 (en) 2011-07-14 2014-07-08 Eaton Corporation Proportional poppet valve with integral check valves
CN102862603B (zh) * 2012-09-28 2015-12-09 中联重科股份有限公司 比例转向阀、比例转向液压回路、比例转向系统及车辆
US9878737B2 (en) * 2015-02-20 2018-01-30 Caterpillar Inc. Hydraulic steering control system
CN104787111B (zh) * 2015-04-23 2018-04-24 圣邦集团有限公司 一种用于转向系统的控制阀
US10512204B1 (en) 2016-07-22 2019-12-24 Ag Leader Technology, Inc. Heading measurement compensation for GNSS navigation
US10599151B1 (en) 2017-01-13 2020-03-24 Ag Leader Technology, Inc. Transformer (modifier) design for controlling articulated vehicles smoothly
JP6996900B2 (ja) * 2017-08-11 2022-01-17 株式会社小松製作所 作業車両

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330298A (en) 1965-08-05 1967-07-11 Fawick Corp Cushion valve arrangement
US4040439A (en) 1976-03-29 1977-08-09 Eaton Corporation Cushion valve arrangement
US4043419A (en) * 1976-06-04 1977-08-23 Eaton Corporation Load sensing power steering system
US4663936A (en) * 1984-06-07 1987-05-12 Eaton Corporation Load sensing priority system with bypass control
US4838314A (en) * 1988-10-12 1989-06-13 Deere & Company Secondary hydraulic steering system
US5050696A (en) * 1988-10-20 1991-09-24 Deere & Company Secondary hydraulic steering system
EP0378129B1 (de) * 1989-01-13 1994-11-30 Hitachi Construction Machinery Co., Ltd. Hydraulisches System für den Auslegerzylinder einer Konstruktionsmaschine
US5025626A (en) * 1989-08-31 1991-06-25 Caterpillar Inc. Cushioned swing circuit
US5179835A (en) * 1991-08-15 1993-01-19 Eaton Corporation Brake valve for use in load sensing hydraulic system
JPH0565903A (ja) * 1991-09-04 1993-03-19 Hitachi Constr Mach Co Ltd アタツチメント用油圧回路
CN2158823Y (zh) * 1993-06-07 1994-03-16 中国农业机械化科学研究院 控制压力自动补偿式负荷传感静液压转向装置
JPH11115780A (ja) * 1997-10-15 1999-04-27 Komatsu Ltd 作業車両用ステアリングポンプの容量制御方法および装置
US6474064B1 (en) * 2000-09-14 2002-11-05 Case Corporation Hydraulic system and method for regulating pressure equalization to suppress oscillation in heavy equipment
JP2002206504A (ja) * 2001-01-10 2002-07-26 Hitachi Constr Mach Co Ltd 油圧モータ駆動装置
JP2003106305A (ja) * 2001-09-28 2003-04-09 Kobelco Contstruction Machinery Ltd 旋回制御回路
CN2560535Y (zh) * 2002-01-18 2003-07-16 济宁伊顿液压有限公司 一种负荷传感全液压转向优先阀

Also Published As

Publication number Publication date
EP1722109A2 (de) 2006-11-15
US20060248883A1 (en) 2006-11-09
EP1722109B1 (de) 2009-01-07
CN1862031B (zh) 2010-09-29
US7124579B1 (en) 2006-10-24
EP1722109A3 (de) 2007-09-12
CN1862031A (zh) 2006-11-15
JP2006316998A (ja) 2006-11-24

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Legal Events

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8364 No opposition during term of opposition