ES520993A0 - Disposicion para el control de un cilindro hidraulico de doble accion. - Google Patents

Disposicion para el control de un cilindro hidraulico de doble accion.

Info

Publication number
ES520993A0
ES520993A0 ES520993A ES520993A ES520993A0 ES 520993 A0 ES520993 A0 ES 520993A0 ES 520993 A ES520993 A ES 520993A ES 520993 A ES520993 A ES 520993A ES 520993 A0 ES520993 A0 ES 520993A0
Authority
ES
Spain
Prior art keywords
control circuit
control
arrangement
hydraulic cylinder
double action
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.)
Granted
Application number
ES520993A
Other languages
English (en)
Other versions
ES8404021A1 (es
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 ES520993A0 publication Critical patent/ES520993A0/es
Publication of ES8404021A1 publication Critical patent/ES8404021A1/es
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/006Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/03Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type with electrical control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/3056Assemblies of multiple valves
    • F15B2211/30565Assemblies 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
    • F15B2211/30575Assemblies 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)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/327Directional control characterised by the type of actuation electrically or electronically
    • F15B2211/328Directional control characterised by the type of actuation electrically or electronically with signal modulation, e.g. pulse width modulation [PWM]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6336Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6346Electronic controllers using input signals representing a state of input means, e.g. joystick position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6653Pressure control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6654Flow rate control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/665Methods of control using electronic components
    • F15B2211/6656Closed loop control, i.e. control using feedback
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051Linear output members
    • F15B2211/7053Double-acting output members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/77Control of direction of movement of the output member
    • F15B2211/7733Control of direction of movement of the output member providing vibrating movement, e.g. dither control for emptying a bucket
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/77Control of direction of movement of the output member
    • F15B2211/7741Control of direction of movement of the output member with floating mode, e.g. using a direct connection between both lines of a double-acting cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Driven Valves (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Transplanting Machines (AREA)
ES520993A 1982-04-01 1983-03-25 Disposicion para el control de un cilindro hidraulico de doble accion. Expired ES8404021A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/364,373 US4437385A (en) 1982-04-01 1982-04-01 Electrohydraulic valve system

Publications (2)

Publication Number Publication Date
ES520993A0 true ES520993A0 (es) 1984-04-01
ES8404021A1 ES8404021A1 (es) 1984-04-01

Family

ID=23434235

Family Applications (1)

Application Number Title Priority Date Filing Date
ES520993A Expired ES8404021A1 (es) 1982-04-01 1983-03-25 Disposicion para el control de un cilindro hidraulico de doble accion.

Country Status (12)

Country Link
US (1) US4437385A (es)
EP (1) EP0091018B1 (es)
JP (1) JPH0610481B2 (es)
AT (1) ATE20690T1 (es)
AU (1) AU550989B2 (es)
BR (1) BR8301657A (es)
CA (1) CA1202100A (es)
DE (1) DE3364410D1 (es)
DK (1) DK137783A (es)
ES (1) ES8404021A1 (es)
MX (1) MX155212A (es)
ZA (1) ZA832274B (es)

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FR2525292B1 (fr) * 1982-04-19 1986-12-19 Chatelin Jacques Servo-moteur hydraulique
US4506700A (en) * 1983-10-07 1985-03-26 Deere & Company Poppet valve with float function
GB8426486D0 (en) * 1984-10-19 1984-11-28 Lucas Ind Plc Electro-hydraulic actuator systems
JPS62297502A (ja) * 1986-06-18 1987-12-24 Kuroda Precision Ind Ltd 空気圧シリンダの駆動制御装置
US4741247A (en) * 1986-09-17 1988-05-03 Rexa Corporation Pneumatic actuator apparatus
AU603907B2 (en) * 1987-06-30 1990-11-29 Hitachi Construction Machinery Co. Ltd. Hydraulic drive system
DE3901475C2 (de) * 1989-01-19 1994-07-14 Danfoss As Fluidgesteuerte Servoanordnung
US5079989A (en) * 1989-06-12 1992-01-14 Vickers, Incorporated Electrohydraulic valve system with a pressure feedback signal modulated by a velocity feedback signal when the velocity exceeds a veloity limit
US4989495A (en) * 1989-08-21 1991-02-05 Hydra-Power Systems, Inc. Hydraulic positioning system with normal and high supply and exhaust flow paths
SE466712B (sv) * 1990-07-24 1992-03-23 Bo Andersson Anordning vid hydraulmotor foer styrning av densamma
US6131500A (en) * 1997-12-05 2000-10-17 Moncrief; Rick L. System and method for producing motion
US6325153B1 (en) 1999-01-05 2001-12-04 Halliburton Energy Services, Inc. Multi-valve fluid flow control system and method
US6691604B1 (en) * 1999-09-28 2004-02-17 Caterpillar Inc Hydraulic system with an actuator having independent meter-in meter-out control
DE10006141A1 (de) 2000-02-11 2001-09-06 Zf Lenksysteme Gmbh Elektrohydraulische Steuervorrichtung
FR2807794B1 (fr) * 2000-04-18 2003-02-14 Crouzet Automatismes Servovalve hydraulique a double boucle imbriquee
ATE313016T1 (de) * 2001-08-10 2005-12-15 Zf Lenksysteme Gmbh Steuereinrichtung für die kontinuierliche bewegung eines hydraulischen stellmotors
US6694860B2 (en) 2001-12-10 2004-02-24 Caterpillar Inc Hydraulic control system with regeneration
KR20030052031A (ko) * 2001-12-20 2003-06-26 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 유압밸브의 제어장치
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US6718759B1 (en) 2002-09-25 2004-04-13 Husco International, Inc. Velocity based method for controlling a hydraulic system
US6732512B2 (en) 2002-09-25 2004-05-11 Husco International, Inc. Velocity based electronic control system for operating hydraulic equipment
US6779340B2 (en) 2002-09-25 2004-08-24 Husco International, Inc. Method of sharing flow of fluid among multiple hydraulic functions in a velocity based control system
US6775974B2 (en) 2002-09-25 2004-08-17 Husco International, Inc. Velocity based method of controlling an electrohydraulic proportional control valve
US6880332B2 (en) 2002-09-25 2005-04-19 Husco International, Inc. Method of selecting a hydraulic metering mode for a function of a velocity based control system
US7440821B1 (en) * 2004-01-02 2008-10-21 Sauer-Danfoss Inc. Method of determining average current in a PWM drive
US7121189B2 (en) * 2004-09-29 2006-10-17 Caterpillar Inc. Electronically and hydraulically-actuated drain value
US7146808B2 (en) * 2004-10-29 2006-12-12 Caterpillar Inc Hydraulic system having priority based flow control
US7204084B2 (en) * 2004-10-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7441404B2 (en) 2004-11-30 2008-10-28 Caterpillar Inc. Configurable hydraulic control system
US7451685B2 (en) * 2005-03-14 2008-11-18 Husco International, Inc. Hydraulic control system with cross function regeneration
US7204185B2 (en) * 2005-04-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7243493B2 (en) * 2005-04-29 2007-07-17 Caterpillar Inc Valve gradually communicating a pressure signal
US7302797B2 (en) * 2005-05-31 2007-12-04 Caterpillar Inc. Hydraulic system having a post-pressure compensator
US7194856B2 (en) * 2005-05-31 2007-03-27 Caterpillar Inc Hydraulic system having IMV ride control configuration
US7210396B2 (en) * 2005-08-31 2007-05-01 Caterpillar Inc Valve having a hysteretic filtered actuation command
US7331175B2 (en) * 2005-08-31 2008-02-19 Caterpillar Inc. Hydraulic system having area controlled bypass
US7614336B2 (en) * 2005-09-30 2009-11-10 Caterpillar Inc. Hydraulic system having augmented pressure compensation
US20100043418A1 (en) * 2005-09-30 2010-02-25 Caterpillar Inc. Hydraulic system and method for control
US7320216B2 (en) * 2005-10-31 2008-01-22 Caterpillar Inc. Hydraulic system having pressure compensated bypass
JP4353190B2 (ja) * 2006-02-27 2009-10-28 コベルコ建機株式会社 建設機械の油圧回路
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US8479504B2 (en) * 2007-05-31 2013-07-09 Caterpillar Inc. Hydraulic system having an external pressure compensator
US7621211B2 (en) * 2007-05-31 2009-11-24 Caterpillar Inc. Force feedback poppet valve having an integrated pressure compensator
US20110017310A1 (en) * 2007-07-02 2011-01-27 Parker Hannifin Ab Fluid valve arrangement
US8348642B2 (en) * 2007-10-31 2013-01-08 Schlumberger Technology Corporation Active mud valve system
DE102008013602B4 (de) 2008-03-11 2019-07-04 Robert Bosch Gmbh Verfahren zum Ansteuern einer Vielzahl von Ventilen und Steuerblock mit einer Vielzahl von Ventilen
US8631650B2 (en) * 2009-09-25 2014-01-21 Caterpillar Inc. Hydraulic system and method for control
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US9309969B2 (en) 2013-02-22 2016-04-12 Cnh Industrial America Llc System and method for controlling a hydrostatic drive unit of a work vehicle
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Also Published As

Publication number Publication date
EP0091018A1 (de) 1983-10-12
US4437385A (en) 1984-03-20
JPH0610481B2 (ja) 1994-02-09
CA1202100A (en) 1986-03-18
EP0091018B1 (de) 1986-07-09
ZA832274B (en) 1984-11-28
JPS58180803A (ja) 1983-10-22
AU1292383A (en) 1983-10-06
AU550989B2 (en) 1986-04-10
DE3364410D1 (en) 1986-08-14
BR8301657A (pt) 1983-12-13
DK137783A (da) 1983-10-02
DK137783D0 (da) 1983-03-25
ES8404021A1 (es) 1984-04-01
ATE20690T1 (de) 1986-07-15
MX155212A (es) 1988-01-29

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201