EP0756089A3 - Système hydraulique de contrÔle - Google Patents

Système hydraulique de contrÔle Download PDF

Info

Publication number
EP0756089A3
EP0756089A3 EP96117035A EP96117035A EP0756089A3 EP 0756089 A3 EP0756089 A3 EP 0756089A3 EP 96117035 A EP96117035 A EP 96117035A EP 96117035 A EP96117035 A EP 96117035A EP 0756089 A3 EP0756089 A3 EP 0756089A3
Authority
EP
European Patent Office
Prior art keywords
valve
control valve
outlet
liquid
lock
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.)
Withdrawn
Application number
EP96117035A
Other languages
German (de)
English (en)
Other versions
EP0756089A2 (fr
Inventor
Matthew Thomas Miller
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP0756089A2 publication Critical patent/EP0756089A2/fr
Publication of EP0756089A3 publication Critical patent/EP0756089A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • F15B11/003—Systems with load-holding 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
    • 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
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/021—Valves for interconnecting the fluid chambers of an actuator
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3144—Directional control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Magnetically Actuated Valves (AREA)
  • Float Valves (AREA)
EP96117035A 1993-04-05 1994-03-24 Système hydraulique de contrÔle Withdrawn EP0756089A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/043,059 US5331882A (en) 1993-04-05 1993-04-05 Control valve system with float valve
US43059 1993-04-05
EP94104714A EP0623754B1 (fr) 1993-04-05 1994-03-24 Système hydraulique de contrÔle

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP94104714A Division EP0623754B1 (fr) 1993-04-05 1994-03-24 Système hydraulique de contrÔle
EP94104714.4 Division 1994-03-24

Publications (2)

Publication Number Publication Date
EP0756089A2 EP0756089A2 (fr) 1997-01-29
EP0756089A3 true EP0756089A3 (fr) 1998-03-25

Family

ID=21925249

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94104714A Expired - Lifetime EP0623754B1 (fr) 1993-04-05 1994-03-24 Système hydraulique de contrÔle
EP96117035A Withdrawn EP0756089A3 (fr) 1993-04-05 1994-03-24 Système hydraulique de contrÔle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP94104714A Expired - Lifetime EP0623754B1 (fr) 1993-04-05 1994-03-24 Système hydraulique de contrÔle

Country Status (7)

Country Link
US (1) US5331882A (fr)
EP (2) EP0623754B1 (fr)
JP (1) JP3476533B2 (fr)
BR (1) BR9401332A (fr)
CA (1) CA2119616C (fr)
DE (1) DE59403208D1 (fr)
ES (1) ES2103514T3 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577532A (en) * 1994-07-11 1996-11-26 Palmer; Thomas W. Valve actuator
JP3478931B2 (ja) * 1996-09-20 2003-12-15 新キャタピラー三菱株式会社 油圧回路
KR100474259B1 (ko) * 1996-11-26 2005-06-20 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설기계의작업장치용실린더를위한유압장치
AT406357B (de) * 1998-10-15 2000-04-25 Hoerbiger Hydraulik Anordnung zur hydraulischen betätigung eines verdecks, eines heckdeckels od. dgl.
US6622939B2 (en) * 1999-02-01 2003-09-23 Exactrix Global Systems Apparatus for applying liquid fertilizers and pesticides using a dual stage variable rate distribution manifold
US6186044B1 (en) 1999-03-08 2001-02-13 Caterpillar Inc. Fluid control system with float capability
DE19919015C2 (de) * 1999-04-27 2001-11-15 Sauer Danfoss Nordborg As Nord Hydraulische Ventilanordnung mit Verriegelungs- und Schwimmfunktion
US6173639B1 (en) 1999-05-07 2001-01-16 Caterpillar Inc. Fluid control system having float control
US6389952B1 (en) * 1999-05-28 2002-05-21 Caterpillar Inc. Apparatus and method of operating a fluid cylinder of a work machine
DE19931142C2 (de) * 1999-07-06 2002-07-18 Sauer Danfoss Holding As Nordb Hydraulische Ventilanordnung mit Verriegelungsfunktion
US6516706B2 (en) 1999-08-19 2003-02-11 Delaware Capital Formation, Inc. Actuator having internal valve structure
US6282893B1 (en) 1999-08-19 2001-09-04 Delaware Capital Formation, Inc. Self-contained actuator
DE19958341A1 (de) * 1999-12-03 2001-07-12 Claas Industrietechnik Gmbh Erntemaschine mit frontseitig angebautem Erntevorsatz
DE10045404C2 (de) * 2000-09-14 2002-10-24 Sauer Danfoss Holding As Nordb Hydraulische Ventilanordnung
AUPR170400A0 (en) * 2000-11-28 2000-12-21 Ifield Technology Ltd Emergency energy release for hydraulic energy storage systems
JP2004301214A (ja) * 2003-03-31 2004-10-28 Hitachi Constr Mach Co Ltd 作業用車両の油圧駆動装置
US7004090B2 (en) * 2003-09-09 2006-02-28 Exactrix Llc Fertilizer injector wing for disc openers
US20050220596A1 (en) * 2004-03-30 2005-10-06 Cnh America Llc Method and apparatus for hydraulically produced ground following of an unloading ramp for a cotton harvester
DE102004020371A1 (de) * 2004-04-23 2005-11-10 Botschafter-Knopff, Ilse Hydraulische Steuereinrichtung
CN101253335B (zh) * 2005-08-19 2010-06-16 布奇尔液压公司 用于控制双作用液压驱动缸的油路
US8424836B2 (en) * 2006-06-16 2013-04-23 Caterpillar Inc. Bidirectional force feedback poppet valve
US20070290151A1 (en) * 2006-06-16 2007-12-20 Matthew Thomas Muller Valve
US20070290152A1 (en) * 2006-06-16 2007-12-20 Pengfei Ma Poppet valve
EP1895169A1 (fr) * 2006-09-04 2008-03-05 OIL CONTROL S.p.A. Ensemble de soupapes de décharge et de contrôle
US8893818B2 (en) * 2010-12-17 2014-11-25 Caterpillar Inc. Hydraulic system having dual tilt blade control
US8925439B2 (en) 2011-01-13 2015-01-06 Husco International, Inc. Valve control valve circuit for operating a single acting hydraulic cylinder
US9725882B2 (en) 2013-01-24 2017-08-08 Volvo Construction Equipment Ab Device and method for controlling flow rate in construction machinery
JP6159629B2 (ja) * 2013-09-13 2017-07-05 Ｋｙｂ株式会社 流体圧制御装置
CN104675780A (zh) * 2013-12-02 2015-06-03 江苏神通阀门股份有限公司 一种高炉煤气发电管网系统用隔离阀
CN104482248B (zh) * 2014-11-03 2017-05-10 济南数锐电子科技有限公司 液控换向阀
US20170023149A1 (en) * 2015-07-22 2017-01-26 Cnh Industrial America Llc Hydraulic signal control system and method
DE102017117335A1 (de) * 2017-07-31 2019-01-31 Bürkert Werke GmbH & Co. KG Betätigungseinheit für ein Prozessventil sowie Prozessventil
US10753377B2 (en) * 2017-09-12 2020-08-25 Shimadzu Corporation Control valve
CN108980129B (zh) * 2018-07-24 2020-04-07 中国航空工业集团公司西安飞行自动控制研究所 一种负载保持控制阀
EP3844350B1 (fr) * 2018-08-30 2023-07-26 Volvo Construction Equipment AB Circuit hydraulique d'équipement de construction
US11572903B2 (en) * 2019-02-06 2023-02-07 Kosmek Ltd. Pneumatic cylinder device with holding valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943825A (en) * 1972-04-17 1976-03-16 Caterpillar Tractor Co. Hydraulic control system for load supporting hydraulic motors
FR2459894A1 (fr) * 1979-06-26 1981-01-16 Poclain Sa Dispositif de commande d'un recepteur a fluide sous pression.
EP0066151A2 (fr) * 1981-05-28 1982-12-08 Vickers Incorporated Système hydraulique de commande avec clapet anti-retour piloté
GB2113310A (en) * 1982-01-20 1983-08-03 Rexroth Mannesmann Gmbh Device for controlling a hydromotor
EP0330575A1 (fr) * 1988-02-25 1989-08-30 Marrel Circuit hydraulique comportant un récepteur muni d'une valve de sécurité
EP0331076A1 (fr) * 1988-03-03 1989-09-06 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Circuit hydraulique pour cylindre
WO1991019108A1 (fr) * 1990-05-26 1991-12-12 Robert Bosch Gmbh Equipement de commande pour un cylindre de travail

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304842A (en) * 1964-04-20 1967-02-21 Homer J Shafer Non-hammer poppet valve control
SE326666B (fr) * 1968-11-29 1970-07-27 Akermans Verkstad Ab
US3643696A (en) * 1970-09-02 1972-02-22 Rex Chainbelt Inc Hydraulic control circuit
US4206688A (en) * 1978-06-09 1980-06-10 Caterpillar Tractor Co. Overrunning load control for hydraulic motors
US4201052A (en) * 1979-03-26 1980-05-06 Sperry Rand Corporation Power transmission
US4340087A (en) * 1980-08-21 1982-07-20 Sperry Corporation Power transmission
US4359931A (en) * 1981-01-19 1982-11-23 The Warner & Swasey Company Regenerative and anticavitation hydraulic system for an excavator
US4611528A (en) * 1981-11-12 1986-09-16 Vickers, Incorporated Power transmission
US4860788A (en) * 1987-06-29 1989-08-29 Kayaba Industry Co. Ltd. Metering valve
US5235809A (en) * 1991-09-09 1993-08-17 Vickers, Incorporated Hydraulic circuit for shaking a bucket on a vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943825A (en) * 1972-04-17 1976-03-16 Caterpillar Tractor Co. Hydraulic control system for load supporting hydraulic motors
FR2459894A1 (fr) * 1979-06-26 1981-01-16 Poclain Sa Dispositif de commande d'un recepteur a fluide sous pression.
EP0066151A2 (fr) * 1981-05-28 1982-12-08 Vickers Incorporated Système hydraulique de commande avec clapet anti-retour piloté
GB2113310A (en) * 1982-01-20 1983-08-03 Rexroth Mannesmann Gmbh Device for controlling a hydromotor
EP0330575A1 (fr) * 1988-02-25 1989-08-30 Marrel Circuit hydraulique comportant un récepteur muni d'une valve de sécurité
EP0331076A1 (fr) * 1988-03-03 1989-09-06 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Circuit hydraulique pour cylindre
WO1991019108A1 (fr) * 1990-05-26 1991-12-12 Robert Bosch Gmbh Equipement de commande pour un cylindre de travail

Also Published As

Publication number Publication date
EP0623754A2 (fr) 1994-11-09
EP0623754B1 (fr) 1997-06-25
CA2119616A1 (fr) 1994-10-06
EP0756089A2 (fr) 1997-01-29
JP3476533B2 (ja) 2003-12-10
US5331882A (en) 1994-07-26
EP0623754A3 (fr) 1995-03-01
JPH074403A (ja) 1995-01-10
CA2119616C (fr) 1998-09-01
BR9401332A (pt) 1994-10-18
ES2103514T3 (es) 1997-09-16
DE59403208D1 (de) 1997-07-31

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