ZA854504B - A priority valve - Google Patents

A priority valve

Info

Publication number
ZA854504B
ZA854504B ZA854504A ZA854504A ZA854504B ZA 854504 B ZA854504 B ZA 854504B ZA 854504 A ZA854504 A ZA 854504A ZA 854504 A ZA854504 A ZA 854504A ZA 854504 B ZA854504 B ZA 854504B
Authority
ZA
South Africa
Prior art keywords
priority valve
priority
valve
Prior art date
Application number
ZA854504A
Other languages
English (en)
Inventor
Richard Arthur Wittren
Original Assignee
Deere & 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 & Co filed Critical Deere & Co
Publication of ZA854504B publication Critical patent/ZA854504B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
    • 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
    • F15B13/022—Flow-dividers; Priority valves
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/187—Control of fluid pressure with auxiliary non-electric power derived from an external source using pistons within the main valve
    • 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
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response
    • Y10T137/2524—Flow dividers [e.g., reversely acting controls]
    • 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
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/265—Plural outflows
    • Y10T137/2663—Pressure responsive

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Servomotors (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Power Steering Mechanism (AREA)
ZA854504A 1984-06-15 1985-06-14 A priority valve ZA854504B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/621,359 US4556078A (en) 1984-06-15 1984-06-15 Priority valve

Publications (1)

Publication Number Publication Date
ZA854504B true ZA854504B (en) 1987-02-25

Family

ID=24489840

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA854504A ZA854504B (en) 1984-06-15 1985-06-14 A priority valve

Country Status (8)

Country Link
US (1) US4556078A (xx)
JP (1) JPS6110103A (xx)
AU (1) AU4329685A (xx)
BR (1) BR8502850A (xx)
CA (1) CA1237633A (xx)
DK (1) DK263785A (xx)
ES (1) ES8702617A1 (xx)
ZA (1) ZA854504B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8807443A (pt) * 1987-04-04 1990-05-15 Zahnradfabrik Friedrichshafen Conjunto hidraulico de regulagem de pressao,especialmente para cambios de veiculos automotores
US4913181A (en) * 1988-03-08 1990-04-03 Sundstrand Corporation Priority valve and method for using same
DE4020111A1 (de) * 1990-06-23 1992-01-09 Klemm Bohrtech Steuervorrichtung zum lastabhaengigen zuschalten eines hydraulischen zuschaltmotors zu einem grundlastmotor
FR2670169B1 (fr) * 1990-12-07 1997-03-07 Valeo Dispositif de moyens de manoeuvre d'une installation pour vehicule automobile a direction hydraulique assistee
US5413452A (en) * 1993-03-29 1995-05-09 Case Corporation Hydraulic system for a backhoe apparatus
US5540203A (en) * 1994-10-05 1996-07-30 Ford Motor Company Integrated hydraulic system for automotive vehicle
US5960628A (en) * 1995-03-09 1999-10-05 Valeo Electrical Systems, Inc. Hydraulically powered fan and power steering in vehicle
US5535845A (en) * 1995-03-09 1996-07-16 Itt Automotive Electrical Systems, Inc. Automotive hydraulic system and method
US5881630A (en) * 1995-03-09 1999-03-16 Itt Automotive Electrical Systems, Inc. Apparatus and method of controlling fluid flow between a plurality of vehicle components
US6021641A (en) * 1995-03-09 2000-02-08 Buschur; Jeffrey J. Hydraulically powered fan system for vehicles
US5946911A (en) * 1997-01-07 1999-09-07 Valeo Electrical Systems, Inc. Fluid control system for powering vehicle accessories
DE19908614C1 (de) * 1999-02-27 2000-09-21 Rexroth Hydraulik Parchim Gmbh Prioritätsventil für einen hydraulischen Lenkkreislauf
US6725874B1 (en) * 2000-03-13 2004-04-27 James O. Sims Delayed triple pressure flow valve
US6629411B2 (en) 2001-05-09 2003-10-07 Valeo Electrical Systems, Inc. Dual displacement motor control
JP3717158B2 (ja) * 2001-11-09 2005-11-16 本田技研工業株式会社 油圧バルブ
ITMO20020332A1 (it) * 2002-11-15 2004-05-16 Studio Tecnico 6M Srl Circuito fluidodinamico per la alimentazione di utenze primarie ed ausiliarie con priorita' predefinite.
US7597168B2 (en) * 2005-09-23 2009-10-06 Deere & Company Low engine speed steering performance
DE102010023495B3 (de) 2010-06-11 2011-09-15 Airbus Operations Gmbh Prioritätsventilanordnung, Verfahren zum Betreiben einer Prioritätsventilanordnung und Fluidsystem
JP6029878B2 (ja) * 2012-07-06 2016-11-24 株式会社山田製作所 制御バルブ
US9605411B2 (en) * 2014-09-26 2017-03-28 Caterpillar Inc. Brake charge valve with set minimum fixed hydro-mechanical pressure by-pass function
WO2016055082A1 (en) * 2014-10-09 2016-04-14 Volvo Truck Corporation An oil pump assembly for a vehicle lubrication system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737196A (en) * 1952-06-04 1956-03-06 Eaton Mfg Co Flow divider valve
US2846850A (en) * 1956-07-02 1958-08-12 Thompson Prod Inc Control valve
US3241318A (en) * 1964-09-28 1966-03-22 Gen Motors Corp Fluid controls
US3703186A (en) * 1971-08-12 1972-11-21 Gen Motors Corp Flow divider control valve assembly
US3841095A (en) * 1973-04-26 1974-10-15 Weatherhead Co Motor vehicle fluid power circuit
US3937243A (en) * 1974-09-25 1976-02-10 General Motors Corporation Pressure control valve
US3979908A (en) * 1975-09-29 1976-09-14 The Cessna Aircraft Company Priority flow valve
US4192337A (en) * 1978-08-07 1980-03-11 The Cessna Aircraft Company Priority flow valve
US4308787A (en) * 1980-02-11 1982-01-05 J. I. Case Company Priority flow divider

Also Published As

Publication number Publication date
ES8702617A1 (es) 1986-12-16
JPS6110103A (ja) 1986-01-17
DK263785D0 (da) 1985-06-12
CA1237633A (en) 1988-06-07
DK263785A (da) 1985-12-16
BR8502850A (pt) 1986-02-25
AU4329685A (en) 1985-12-19
ES544170A0 (es) 1986-12-16
US4556078A (en) 1985-12-03

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