BE856896A - Soupape de retenue de charge et de derivation - Google Patents

Soupape de retenue de charge et de derivation

Info

Publication number
BE856896A
BE856896A BE179419A BE179419A BE856896A BE 856896 A BE856896 A BE 856896A BE 179419 A BE179419 A BE 179419A BE 179419 A BE179419 A BE 179419A BE 856896 A BE856896 A BE 856896A
Authority
BE
Belgium
Prior art keywords
bypass valve
load retaining
retaining
load
bypass
Prior art date
Application number
BE179419A
Other languages
English (en)
French (fr)
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of BE856896A publication Critical patent/BE856896A/xx

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
    • F15B13/01—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
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87201—Common to plural valve motor chambers
    • 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
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87829—Biased valve
    • Y10T137/87837—Spring bias
    • Y10T137/87861—Spring coaxial with valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
BE179419A 1976-08-16 1977-07-18 Soupape de retenue de charge et de derivation BE856896A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/714,448 US4102250A (en) 1976-08-16 1976-08-16 Load check and bypass valve

Publications (1)

Publication Number Publication Date
BE856896A true BE856896A (fr) 1978-01-18

Family

ID=24870086

Family Applications (1)

Application Number Title Priority Date Filing Date
BE179419A BE856896A (fr) 1976-08-16 1977-07-18 Soupape de retenue de charge et de derivation

Country Status (5)

Country Link
US (1) US4102250A (OSRAM)
JP (1) JPS5322964A (OSRAM)
BE (1) BE856896A (OSRAM)
CA (1) CA1037348A (OSRAM)
FR (1) FR2362290A1 (OSRAM)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132857U (OSRAM) * 1978-02-23 1978-10-21
DE2810375A1 (de) * 1978-03-10 1979-09-20 Bosch Gmbh Robert Steuereinrichtung fuer eine hydraulische kraftuebertragung
JPS5677598A (en) * 1979-11-30 1981-06-25 Nissan Motor Co Ltd Variable-position diffuser for centrifugal compressor
WO1981002768A1 (en) * 1980-03-24 1981-10-01 Caterpillar Tractor Co Fluid circuit with zero leak load check and by-pass valve
US4355565A (en) * 1980-03-24 1982-10-26 Caterpillar Tractor Co. Fluid circuit with zero leak load check and by-pass valve
US4417502A (en) * 1980-11-17 1983-11-29 Dresser Industries, Inc. Load supporting hydraulic circuit with emergency automatic load restraint
US4610193A (en) * 1983-10-26 1986-09-09 Deere & Company Load control system
JPH0266305A (ja) * 1988-08-31 1990-03-06 Komatsu Ltd 作業機シリンダの圧油供給装置
US5921165A (en) * 1996-08-08 1999-07-13 Hitachi Construction Machinery Co., Ltd. Hydraulic control system
EP0935713B1 (de) 1996-11-11 2003-10-01 Bosch Rexroth AG Ventilanordnung und verfahren zur ansteuerung einer derartigen ventilanordnung
PL333366A1 (en) * 1996-11-11 1999-12-06 Mannesmann Rexroth Ag Arrangement of check valves
DE29716577U1 (de) * 1997-09-15 1997-11-13 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Lasthalteventil
DE60019500T2 (de) 1999-07-23 2006-02-23 Kabushiki Kaisha Toyota Jidoshokki, Kariya Steuervorrichtung für Zylinder
US8925439B2 (en) 2011-01-13 2015-01-06 Husco International, Inc. Valve control valve circuit for operating a single acting hydraulic cylinder

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922401A (en) * 1957-05-03 1960-01-26 Tatra Np Hydraulic lifting device for tipping vehicles
US3054384A (en) * 1961-01-12 1962-09-18 Cessna Aircraft Co Piston velocity governor
US3411295A (en) * 1967-05-31 1968-11-19 Gen Signal Corp Hydraulic supply systems
US3800670A (en) * 1969-10-21 1974-04-02 Caterpillar Tractor Co High pressure implement hydraulic circuit
US3612088A (en) * 1969-11-03 1971-10-12 Allis Chalmers Mfg Co Throttling draft control valve
US3977301A (en) * 1971-12-23 1976-08-31 Caterpillar Tractor Co. Low-effort proportional control valve
FR2188770A5 (OSRAM) * 1972-06-13 1974-01-18 Artois Hydraulique
DE2232857C2 (de) * 1972-07-05 1983-11-24 Robert Bosch Gmbh, 7000 Stuttgart Steuereinrichtung für ein hydraulisch angetriebenes Arbeitsgerät
US3777899A (en) * 1972-08-14 1973-12-11 Harrischfeger Corp Bounce-preventing control for hydraulic cylinder
SE371259B (OSRAM) * 1972-10-05 1974-11-11 Tico Ab
JPS5226311B2 (OSRAM) * 1973-08-24 1977-07-13
US3998134A (en) * 1974-11-08 1976-12-21 Tadeusz Budzich Load responsive fluid control valves
US4000683A (en) * 1975-05-27 1977-01-04 Caterpillar Tractor Co. Hydraulic load lifting system

Also Published As

Publication number Publication date
US4102250A (en) 1978-07-25
CA1037348A (en) 1978-08-29
FR2362290A1 (fr) 1978-03-17
FR2362290B1 (OSRAM) 1983-04-01
JPS5322964A (en) 1978-03-02

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CATERPILLAR TRACTOR CO.

Effective date: 19840718