EP0103250B1 - Steuerventil zur Flüssigkeitssteuerung - Google Patents

Steuerventil zur Flüssigkeitssteuerung Download PDF

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Publication number
EP0103250B1
EP0103250B1 EP83108731A EP83108731A EP0103250B1 EP 0103250 B1 EP0103250 B1 EP 0103250B1 EP 83108731 A EP83108731 A EP 83108731A EP 83108731 A EP83108731 A EP 83108731A EP 0103250 B1 EP0103250 B1 EP 0103250B1
Authority
EP
European Patent Office
Prior art keywords
valve
sleeve
bore
fluid
return
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.)
Expired
Application number
EP83108731A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0103250A1 (de
Inventor
Kenneth Dee Kramer
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
Priority to AT83108731T priority Critical patent/ATE21147T1/de
Publication of EP0103250A1 publication Critical patent/EP0103250A1/de
Application granted granted Critical
Publication of EP0103250B1 publication Critical patent/EP0103250B1/de
Expired legal-status Critical Current

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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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2544—Supply and exhaust type
    • Y10T137/2554—Reversing or 4-way valve systems

Definitions

  • the pin 84 of the right valve part 72 acts on the right locking ball 50 and lifts it from its seat 48. Due to this displacement of the bushing 64, the sliding surface 68 moves to the right and opens a connection between the inlet chamber 28 and the collecting container 14 via flats 70 and the annular groove 23 , Inlet chamber 28, flats 70 and annular groove 23rd

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Check Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve Housings (AREA)
  • Lift Valve (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
EP83108731A 1982-09-13 1983-09-05 Steuerventil zur Flüssigkeitssteuerung Expired EP0103250B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108731T ATE21147T1 (de) 1982-09-13 1983-09-05 Steuerventil zur fluessigkeitssteuerung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US416836 1982-09-13
US06/416,836 US4461314A (en) 1982-09-13 1982-09-13 Electrohydraulic valve

Publications (2)

Publication Number Publication Date
EP0103250A1 EP0103250A1 (de) 1984-03-21
EP0103250B1 true EP0103250B1 (de) 1986-07-30

Family

ID=23651508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108731A Expired EP0103250B1 (de) 1982-09-13 1983-09-05 Steuerventil zur Flüssigkeitssteuerung

Country Status (9)

Country Link
US (1) US4461314A (da)
EP (1) EP0103250B1 (da)
JP (1) JPS5973605A (da)
AT (1) ATE21147T1 (da)
AU (1) AU552257B2 (da)
CA (1) CA1195206A (da)
DE (1) DE3364958D1 (da)
DK (1) DK415983A (da)
ES (1) ES8406656A1 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506700A (en) * 1983-10-07 1985-03-26 Deere & Company Poppet valve with float function
DE3415923A1 (de) * 1984-04-28 1985-11-07 Robert Bosch Gmbh, 7000 Stuttgart Wegeventil
DE3446134A1 (de) * 1984-12-18 1986-06-26 G. Düsterloh GmbH, 4322 Sprockhövel Reversierbare hydraulische maschine
DE3816748A1 (de) * 1988-05-17 1989-11-30 Teves Gmbh Alfred Hydraulikaggregat
DE9303988U1 (de) * 1993-03-18 1994-07-21 Robert Bosch Gmbh, 70469 Stuttgart Hydraulische Steuereinrichtung mit mindestens einem hydraulisch entsperrbaren Rückschlagventil
US5349818A (en) * 1993-08-11 1994-09-27 Teleflex (Canada) Limited Low deadband marine hydraulic steering system
DE4446145A1 (de) * 1994-12-23 1996-06-27 Bosch Gmbh Robert Hydraulische Steuerung in Monoblockbauweise zum Heben und Senken einer Last mit mindestens zwei elektromagnetisch betätigbaren Proportionalwegeventilelementen
US5481871A (en) * 1995-03-02 1996-01-09 Teleflex (Canada) Ltd. Hydraulic steering system with spool pressure equalization
JP3778634B2 (ja) 1996-11-22 2006-05-24 Ｓｍｃ株式会社 パイロットチェック弁付スピードコントローラ
DE29810860U1 (de) * 1998-06-17 1998-08-13 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Hydraulische Steuervorrichtung
US6095187A (en) * 1998-11-05 2000-08-01 Interface Devices, Inc. Solenoid-actuated zero-leakage fail-safe three-position poppet-style four-way hydraulic directional control valve
US6871574B2 (en) * 2003-05-28 2005-03-29 Husco International, Inc. Hydraulic control valve assembly having dual directional spool valves with pilot operated check valves
US7913714B2 (en) * 2007-08-30 2011-03-29 Perlick Corporation Check valve and shut-off reset device for liquid delivery systems
US8869824B2 (en) * 2007-08-30 2014-10-28 Perlick Corporation Check valve and shut-off reset device for liquid delivery systems
FR2933471B1 (fr) * 2008-07-03 2013-02-15 Vianney Rabhi Vanne electro-hydraulique a levee de bille pour centrale hydraulique de moteur a taux de compression variable
EP2546421B1 (en) * 2010-05-18 2014-12-24 Volvo Construction Equipment AB Double check valve for construction equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207749B (de) * 1961-04-28 1965-12-23 Istag A G Suhr Hydrostatisches Getriebe
US3274902A (en) * 1965-10-22 1966-09-27 Deere & Co Hydraulic control system
US3587399A (en) * 1969-05-02 1971-06-28 Deere & Co Control valve means for a two-way hydraulic cylinder
US3587630A (en) * 1969-05-02 1971-06-28 Deere & Co Pressure-compensated flow control valve
US3543647A (en) * 1969-05-02 1970-12-01 Deere & Co Control valve means for a two-way hydraulic cylinder
US3792710A (en) * 1972-05-22 1974-02-19 Safe Way Hydraulics Pump and valve means
US4286432A (en) * 1979-08-30 1981-09-01 Caterpillar Tractor Co. Lock valve with variable length piston and hydraulic system for a work implement using the same
US4343153A (en) * 1980-03-21 1982-08-10 Eltra Corporation Anti-supercharge pressure valve

Also Published As

Publication number Publication date
ES525530A0 (es) 1984-07-01
DK415983A (da) 1984-03-14
US4461314A (en) 1984-07-24
ES8406656A1 (es) 1984-07-01
EP0103250A1 (de) 1984-03-21
DE3364958D1 (en) 1986-09-04
JPS5973605A (ja) 1984-04-25
ATE21147T1 (de) 1986-08-15
AU552257B2 (en) 1986-05-22
AU1802483A (en) 1984-03-22
DK415983D0 (da) 1983-09-13
CA1195206A (en) 1985-10-15

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