EP0083688A3 - Electro-hydraulic pilot-operated proportional throttle valve - Google Patents

Electro-hydraulic pilot-operated proportional throttle valve Download PDF

Info

Publication number
EP0083688A3
EP0083688A3 EP82108826A EP82108826A EP0083688A3 EP 0083688 A3 EP0083688 A3 EP 0083688A3 EP 82108826 A EP82108826 A EP 82108826A EP 82108826 A EP82108826 A EP 82108826A EP 0083688 A3 EP0083688 A3 EP 0083688A3
Authority
EP
European Patent Office
Prior art keywords
electro
throttle valve
hydraulic pilot
operated proportional
proportional throttle
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
EP82108826A
Other languages
German (de)
Other versions
EP0083688A2 (en
EP0083688B1 (en
Inventor
Karl-Heinz Dr. Post
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.)
Oerlikon Barmag AG
Original Assignee
Barmag Barmer Maschinenfabrik AG
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 Barmag Barmer Maschinenfabrik AG filed Critical Barmag Barmer Maschinenfabrik AG
Publication of EP0083688A2 publication Critical patent/EP0083688A2/en
Publication of EP0083688A3 publication Critical patent/EP0083688A3/en
Application granted granted Critical
Publication of EP0083688B1 publication Critical patent/EP0083688B1/en
Expired 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
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid 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
    • F15B13/0435—Fluid 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 the pilot valves being sliding valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)
EP82108826A 1981-09-26 1982-09-24 Electro-hydraulic pilot-operated proportional throttle valve Expired EP0083688B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3138345 1981-09-26
DE3138345 1981-09-26

Publications (3)

Publication Number Publication Date
EP0083688A2 EP0083688A2 (en) 1983-07-20
EP0083688A3 true EP0083688A3 (en) 1984-03-28
EP0083688B1 EP0083688B1 (en) 1986-08-13

Family

ID=6142675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82108826A Expired EP0083688B1 (en) 1981-09-26 1982-09-24 Electro-hydraulic pilot-operated proportional throttle valve

Country Status (3)

Country Link
US (1) US4535966A (en)
EP (1) EP0083688B1 (en)
DE (1) DE3272593D1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3420400A1 (en) * 1984-06-01 1985-12-05 Mannesmann Rexroth GmbH, 8770 Lohr TWO-WAY SEAT VALVE
US4738104A (en) * 1985-03-23 1988-04-19 Barmag Ag Hydraulic power system
DE3532591A1 (en) * 1985-09-12 1987-03-19 Rexroth Mannesmann Gmbh HYDRAULIC DEVICE, IN PARTICULAR 2-WAY PROPORTIONAL THROTTLE VALVE
DE3805288A1 (en) * 1988-02-19 1989-08-31 Rexroth Mannesmann Gmbh CONTROL VALVE
EP0329813A1 (en) * 1988-02-26 1989-08-30 Nordson Corporation Valve arrangement for intermittently applying a liquid glue to a surface
US5156177A (en) * 1990-10-24 1992-10-20 Woodward Governor Company Flow loading unloader valve
US5131427A (en) * 1991-08-06 1992-07-21 Flint Hydraulic, Inc. Pilot operated relief valve
LU88384A1 (en) * 1993-07-16 1995-02-01 Hydrolux Sarl 2-way cartridge valve as a seat valve
US5762316A (en) * 1995-10-04 1998-06-09 Kraft Foods, Inc. Valve mechanism with improved sealing
DE19756600C1 (en) * 1997-12-18 1999-08-26 Brueninghaus Hydromatik Gmbh Capacity control valve
CN102308130B (en) * 2008-11-26 2013-07-17 帕克-汉尼芬有限公司 Hydraulic valve assembly having a cartridge insert valve exhibiting a closing element arranged in a pressure equalized manner
US8371552B2 (en) * 2008-12-11 2013-02-12 GM Global Technology Operations LLC Shift actuator valve having a pressure dead band
CN101943188B (en) * 2010-04-29 2013-08-21 上海人豪液压技术有限公司 Compact two-way cartridge valve adopting combined type flange control cover plate
CN107387477B (en) * 2017-07-20 2018-11-06 徐州工业职业技术学院 A kind of leading controller for guiding valve, hydraulic cylinder control loop
DE102018122437A1 (en) * 2018-09-13 2020-03-19 Eto Magnetic Gmbh Proportional valve
CN111396605A (en) * 2020-04-20 2020-07-10 无锡唯勒科技有限公司 Special adjustable choke valve for lithium battery slurry pipeline
CN111894928B (en) * 2020-07-31 2022-03-25 国机铸锻机械有限公司 Ultrahigh pressure two-way cartridge type proportional pressure reducing valve with electromagnetic isolation
DE102022000767A1 (en) * 2022-03-04 2023-09-07 Hydac Fluidtechnik Gmbh Valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604459A (en) * 1970-02-24 1971-09-14 Nils O Rosaen Cartridge valve
FR2235300A1 (en) * 1973-06-26 1975-01-24 Beringer Hydraulik Gmbh
DE2845922A1 (en) * 1978-10-21 1980-04-24 Rexroth Gmbh G L Pilot-operated distributor valve for hydraulic circuit - uses pilot control valve actuated by pump pressure to shift valve from neutral position

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US607265A (en) * 1898-07-12 Blow-off valve
DE831787C (en) * 1950-04-28 1952-02-18 Concordia Maschinen U Elek Zit Shut-off or control valve
GB1301333A (en) * 1969-11-27 1972-12-29
IT1041982B (en) * 1974-09-11 1980-01-10 Atwood & Morrill Co Inc VALVE OPERATED BY A FLUID

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604459A (en) * 1970-02-24 1971-09-14 Nils O Rosaen Cartridge valve
FR2235300A1 (en) * 1973-06-26 1975-01-24 Beringer Hydraulik Gmbh
DE2845922A1 (en) * 1978-10-21 1980-04-24 Rexroth Gmbh G L Pilot-operated distributor valve for hydraulic circuit - uses pilot control valve actuated by pump pressure to shift valve from neutral position

Also Published As

Publication number Publication date
DE3272593D1 (en) 1986-09-18
EP0083688A2 (en) 1983-07-20
US4535966A (en) 1985-08-20
EP0083688B1 (en) 1986-08-13

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