CA1244316A - Valve with flow force compensator - Google Patents

Valve with flow force compensator

Info

Publication number
CA1244316A
CA1244316A CA000468302A CA468302A CA1244316A CA 1244316 A CA1244316 A CA 1244316A CA 000468302 A CA000468302 A CA 000468302A CA 468302 A CA468302 A CA 468302A CA 1244316 A CA1244316 A CA 1244316A
Authority
CA
Canada
Prior art keywords
spool
fluid
valve
outlet
flow
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
CA000468302A
Other languages
English (en)
French (fr)
Inventor
Allan R. Steinkuhl
Steven D. Cayton
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW Inc
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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of CA1244316A publication Critical patent/CA1244316A/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
    • F15B13/022—Flow-dividers; Priority valves
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/04—Devices for relieving the pressure on the sealing faces for sliding valves
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/25—Pressure control functions
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30585—Assemblies of multiple valves having a single valve for multiple 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/325—Directional control characterised by the type of actuation mechanically actuated by an output member of the circuit
    • 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
    • F15B2211/40523—Flow control characterised by the type of flow control means or valve with flow dividers
    • F15B2211/4053—Flow control characterised by the type of flow control means or valve with flow dividers using valves
    • 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
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6052—Load sensing circuits having valve means between output member and the load sensing circuit using check valves
    • 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
    • F15B2211/7054—Having equal piston areas
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
    • 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
    • F15B2211/78—Control of multiple output members
    • F15B2211/781—Control of multiple output members one or more output members having priority
    • 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
    • Y10T137/2652—Single actuator operates plural outlets simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Steering Mechanism (AREA)
  • Servomotors (AREA)
CA000468302A 1984-01-27 1984-11-21 Valve with flow force compensator Expired CA1244316A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US574,403 1984-01-27
US06/574,403 US4616671A (en) 1984-01-27 1984-01-27 Valve with flow force compensator

Publications (1)

Publication Number Publication Date
CA1244316A true CA1244316A (en) 1988-11-08

Family

ID=24295968

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000468302A Expired CA1244316A (en) 1984-01-27 1984-11-21 Valve with flow force compensator

Country Status (7)

Country Link
US (1) US4616671A (US20100012521A1-20100121-C00001.png)
EP (1) EP0151247B1 (US20100012521A1-20100121-C00001.png)
JP (1) JPS60159407A (US20100012521A1-20100121-C00001.png)
BR (1) BR8406740A (US20100012521A1-20100121-C00001.png)
CA (1) CA1244316A (US20100012521A1-20100121-C00001.png)
DE (1) DE3470586D1 (US20100012521A1-20100121-C00001.png)
DK (1) DK30185A (US20100012521A1-20100121-C00001.png)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991002913A1 (de) * 1989-08-26 1991-03-07 Zahnradfabrik Friedrichshafen Ag Drucksteuereinrichtung
AU657097B2 (en) * 1990-08-17 1995-03-02 Goyen Controls Co Pty Limited Pneumatic valve
DE4336892A1 (de) * 1992-10-29 1994-05-05 Aisin Seiki Fluiddruckantriebssystem
US6092546A (en) * 1997-12-12 2000-07-25 Alliedsignal Inc. Fuel flow divider and pressurizing valve for gas turbine
JP3404592B2 (ja) * 1998-08-04 2003-05-12 新キャタピラー三菱株式会社 分流弁
JP4441386B2 (ja) * 2004-11-08 2010-03-31 株式会社豊田自動織機 流量切換型フローディバイダ
JP4685412B2 (ja) * 2004-11-08 2011-05-18 株式会社豊田自動織機 フローディバイダ
US8267121B2 (en) * 2008-01-31 2012-09-18 Caterpillar Inc. Valve assembly for counteracting flow forces
CN102410270B (zh) * 2011-11-09 2015-03-11 兰州理工大学 一种转向优先阀
SE536913C2 (sv) 2012-03-08 2014-10-28 Gambro Lundia Ab Komposition för dialys
CN103486318B (zh) * 2013-09-30 2016-02-24 厦门松霖科技有限公司 一种先导阀切换机构及其应用该机构的组合花洒
CN103511661B (zh) * 2013-09-30 2016-02-03 厦门松霖科技有限公司 一种组合先导阀结构及其应用该结构的淋浴系统
CN103505110B (zh) * 2013-09-30 2016-05-04 厦门松霖科技有限公司 一种先导阀切换机构及其应用该机构的淋浴系统
ITUB20153574A1 (it) * 2015-09-11 2017-03-11 Studio Tecnico 6M Srl Dispositivo di controllo load sensing per valvole prioritarie
CN114593101B (zh) * 2022-03-25 2022-09-02 哈尔滨工业大学 一种补偿稳态液动力的多级主压逻辑控制阀

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1123256A (en) * 1965-09-02 1968-08-14 Short Brothers & Harland Ltd Improvements in spool valves for fluid pressure operated apparatus
US3355994A (en) * 1966-01-13 1967-12-05 New York Air Brake Co Hydraulic system
US3914939A (en) * 1973-07-11 1975-10-28 Case Co J I Pressure compensated pump
US3979907A (en) * 1973-09-10 1976-09-14 Parker-Hannifin Corporation Priority control valve
US3916932A (en) * 1974-03-28 1975-11-04 Eaton Corp Flow divider valve assembly
JPS56109906A (en) * 1980-02-06 1981-08-31 Jidosha Kiki Co Ltd Flow dividing valve device
CA1193972A (en) * 1982-03-25 1985-09-24 Jim L. Rau Fluid flow control apparatus
US4488569A (en) * 1982-04-23 1984-12-18 Trw Inc. Apparatus with staged pressure differential for controlling fluid flow

Also Published As

Publication number Publication date
JPS60159407A (ja) 1985-08-20
DK30185D0 (da) 1985-01-23
US4616671A (en) 1986-10-14
JPH0465247B2 (US20100012521A1-20100121-C00001.png) 1992-10-19
EP0151247A1 (en) 1985-08-14
EP0151247B1 (en) 1988-04-20
BR8406740A (pt) 1985-10-22
DE3470586D1 (en) 1988-05-26
DK30185A (da) 1985-07-28

Similar Documents

Publication Publication Date Title
CA1244316A (en) Valve with flow force compensator
EP0187682B1 (en) Hydrostatic load-sense steering system
EP0545925B1 (en) Load check and pressure compensating valve
US4914913A (en) Load responsive flow amplified control system for power steering
US4011721A (en) Fluid control system utilizing pressure drop valve
EP0038542B1 (en) Load sensing controller
US3996838A (en) Diverter valve for power steering with power beyond
EP0489817B1 (en) Load pressure duplicating circuit
EP0026972B1 (en) Control valve assembly, in particular for use in a vehicle hydraulic system
IE45263B1 (en) Fluid flow control apparatus
US4723475A (en) Fully metered compensation steering system
CA1044990A (en) Controller assembly
US5875631A (en) Control system for a hydrostatic transmission
EP0092637B1 (en) Apparatus with staged pressure differential for controlling fluid flow
CA1263609A (en) Flow amplifying steering system
JP2003112642A (ja) 流体作動式ステアリングシステム
CA1249498A (en) Fluid system with selective differential pressure control
EP0158450A1 (en) Demand-responsive flow control valve mechanism
US4010610A (en) Hydraulic load-sensing system
US3957129A (en) Steering system
US4576003A (en) Hybrid load-sense vehicle hydrostatic steering system
CA1209014A (en) Hybrid load sense vehicle hydrostatic steering system
JPH068840A (ja) パワーステアリング装置
CA1146444A (en) Pressure and flow compensated control systems with constant torque and viscosity sensing over-ride
CA2013481A1 (en) Load responsive flow amplified control system

Legal Events

Date Code Title Description
MKEX Expiry