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GR3024142T3 - Hydraulic valve spool control for actuators with uneven piston velocities - Google Patents

Hydraulic valve spool control for actuators with uneven piston velocities

Info

Publication number
GR3024142T3
GR3024142T3 GR970401792T GR970401792T GR3024142T3 GR 3024142 T3 GR3024142 T3 GR 3024142T3 GR 970401792 T GR970401792 T GR 970401792T GR 970401792 T GR970401792 T GR 970401792T GR 3024142 T3 GR3024142 T3 GR 3024142T3
Authority
GR
Greece
Prior art keywords
pilot
valve
control
piston
actuators
Prior art date
Application number
GR970401792T
Other languages
English (en)
Inventor
Friedrich Dipl-Ing Schwing
Original Assignee
Schwing Gmbh F
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 Schwing Gmbh F filed Critical Schwing Gmbh F
Publication of GR3024142T3 publication Critical patent/GR3024142T3/el

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
    • 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
    • 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"
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional 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
    • F15B2211/30—Directional control
    • F15B2211/355—Pilot pressure control
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/75—Control of speed of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Sliding Valves (AREA)
  • Actuator (AREA)
  • Control Of Presses (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Harvester Elements (AREA)
  • Fluid-Driven Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Reciprocating Pumps (AREA)
GR970401792T 1992-03-19 1997-07-16 Hydraulic valve spool control for actuators with uneven piston velocities GR3024142T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4208755A DE4208755A1 (de) 1992-03-19 1992-03-19 Hydraulische schiebersteuerung fuer arbeitszylinder mit ungleichen kolbengeschwindigkeiten

Publications (1)

Publication Number Publication Date
GR3024142T3 true GR3024142T3 (en) 1997-10-31

Family

ID=6454412

Family Applications (1)

Application Number Title Priority Date Filing Date
GR970401792T GR3024142T3 (en) 1992-03-19 1997-07-16 Hydraulic valve spool control for actuators with uneven piston velocities

Country Status (12)

Country Link
US (1) US5353684A (el)
EP (1) EP0561185B1 (el)
JP (1) JPH0610904A (el)
KR (1) KR100280255B1 (el)
CN (1) CN1036730C (el)
AT (1) ATE152502T1 (el)
BR (1) BR9301230A (el)
CA (1) CA2092657A1 (el)
DE (2) DE4208755A1 (el)
ES (1) ES2103390T3 (el)
GR (1) GR3024142T3 (el)
RU (1) RU2134363C1 (el)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231399A1 (de) * 1992-08-20 1994-02-24 Rexroth Mannesmann Gmbh Hydraulische Steuereinrichtung
DE19623549A1 (de) * 1996-06-13 1997-12-18 I T E C Gmbh Steuerung von Bewegungen an Maschinen und Vorrichtungen
US6530564B1 (en) * 1997-06-12 2003-03-11 Nitinol Technologies, Inc. Nitinol impact absorbers
US6375432B1 (en) 2000-12-20 2002-04-23 Schwing America, Inc. Pipeline air pocket detection system
CN102865178A (zh) * 2012-09-21 2013-01-09 国网新源水电有限公司丰满培训中心 具有开度限制功能的液压锁定装置
DE102013001829B4 (de) 2013-02-04 2014-08-21 Bourns, Inc. Drehwinkel- und Torsionswinkelsensor
CN105545857B (zh) * 2016-02-02 2018-04-03 泊姆克(天津)液压有限公司 一种新型二通插装式振动控制阀
CN107587933A (zh) * 2017-11-01 2018-01-16 潍柴动力股份有限公司 一种海水流量调节机构、一种中冷器系统、一种发动机
CN109058187B (zh) * 2018-08-01 2020-07-10 福建龙马环卫装备股份有限公司 一种卸荷缓冲液压系统
US20220007576A1 (en) * 2018-11-16 2022-01-13 Cnh Industrial America Llc Harvester header having a segment control system
KR102196957B1 (ko) 2020-10-20 2020-12-30 신상열 유압포지셔너가 구비된 밸브제어시스템

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2009340C3 (de) * 1970-02-27 1975-10-16 Experimentalnij Nautschno-Issledowatel'skij Institut Metalloreschuschtschich Stankow, Moskau Hydraulikwerk zur Steuerung der Vor- und Rückbewegung eines Schleifmaschinentisches
CA943040A (en) * 1970-10-06 1974-03-05 Ronald B. Walters Hydraulic actuator controls
SU393485A1 (ru) * 1970-12-22 1973-08-10 Панель реверса
DE2107324A1 (de) * 1971-02-16 1972-08-24 Krupp Gmbh Einrichtung zum Abbremsen eines Körpers bei Lastwechseln
US3835647A (en) * 1972-01-27 1974-09-17 Gen Signal Corp Multiple speed hydraulic drive circuit
FR2181479B1 (el) * 1972-04-25 1974-12-20 Poclain Sa
US3872773A (en) * 1972-08-09 1975-03-25 Nutron Corp Position controlling
GB1452609A (en) * 1973-05-15 1976-10-13 Sperry Rand Ltd Hydraulic systems
SE381919B (sv) * 1973-10-24 1975-12-22 Atlas Copco Ab Sett att reglera en hydraulbroms rorelser och anordning for genomforande av settet
US4215844A (en) * 1978-08-28 1980-08-05 The Babcock & Wilcox Company Valve actuator system
SU830016A1 (ru) * 1979-07-26 1981-05-15 Киевский институт автоматики им.ХХУ съезда КПСС Реверсивный пневмогидропривод
JPS56109903A (en) * 1980-02-01 1981-08-31 Kanto Seiki Kogyo Kk Speed control device in oil hydraulic circuit
SU1038627A1 (ru) * 1980-09-08 1983-08-30 Всесоюзный научно-исследовательский и проектно-конструкторский институт промышленных гидроприводов и гидроавтоматики Система управлени расходом
JPS6051301U (ja) * 1983-09-16 1985-04-11 株式会社トキメック 昇降装置の液圧回路
JPH0343443Y2 (el) * 1986-03-01 1991-09-11
JPH07107378B2 (ja) * 1986-07-23 1995-11-15 ヤマハ発動機株式会社 二段型気化器
SE458704B (sv) * 1987-05-18 1989-04-24 Atlas Copco Ab Anordning vid ett hydrauliskt drivsystem anslutet till en lastdrivande hydraulmotor
AT389501B (de) * 1987-08-12 1989-12-27 Hoerbiger Hydraulik Servosteuerung fuer motorboote
US4919039A (en) * 1988-07-25 1990-04-24 General Electric Company Hydraulic turning gear
JPH0221303U (el) * 1988-07-28 1990-02-13
JPH0294596A (ja) * 1988-09-30 1990-04-05 Hitachi Ltd 電子装置
JP3060317B2 (ja) * 1989-12-14 2000-07-10 株式会社ナブコ 油圧モータの制御回路
HUT62376A (en) * 1991-03-25 1993-04-28 Schwing Gmbh F Connection arrangement for speed-controlling hydraulic drives particularly hydraulic working cylinders

Also Published As

Publication number Publication date
CA2092657A1 (en) 1993-09-20
JPH0610904A (ja) 1994-01-21
KR100280255B1 (ko) 2001-02-01
ATE152502T1 (de) 1997-05-15
CN1078542A (zh) 1993-11-17
US5353684A (en) 1994-10-11
RU2134363C1 (ru) 1999-08-10
EP0561185B1 (de) 1997-05-02
DE4208755A1 (de) 1993-09-23
ES2103390T3 (es) 1997-09-16
KR930020037A (ko) 1993-10-19
CN1036730C (zh) 1997-12-17
BR9301230A (pt) 1993-09-21
DE59306308D1 (de) 1997-06-05
EP0561185A1 (de) 1993-09-22

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