GB1581670A - Hydraulic control valve - Google Patents

Hydraulic control valve Download PDF

Info

Publication number
GB1581670A
GB1581670A GB19171/77A GB1917177A GB1581670A GB 1581670 A GB1581670 A GB 1581670A GB 19171/77 A GB19171/77 A GB 19171/77A GB 1917177 A GB1917177 A GB 1917177A GB 1581670 A GB1581670 A GB 1581670A
Authority
GB
United Kingdom
Prior art keywords
valve
flow
cavity
pump
passage
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
GB19171/77A
Other languages
English (en)
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.)
Cessna Aircraft Co
Original Assignee
Cessna Aircraft 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 Cessna Aircraft Co filed Critical Cessna Aircraft Co
Publication of GB1581670A publication Critical patent/GB1581670A/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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F15B13/0403—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
    • 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
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/86702—With internal flow passage

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
GB19171/77A 1976-05-26 1977-05-06 Hydraulic control valve Expired GB1581670A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/690,342 US4037410A (en) 1976-05-26 1976-05-26 Hydraulic control valve

Publications (1)

Publication Number Publication Date
GB1581670A true GB1581670A (en) 1980-12-17

Family

ID=24772084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19171/77A Expired GB1581670A (en) 1976-05-26 1977-05-06 Hydraulic control valve

Country Status (6)

Country Link
US (1) US4037410A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS52144576A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1048369A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2723279A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2352973A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1581670A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383412A (en) * 1979-10-17 1983-05-17 Cross Manufacturing, Inc. Multiple pump load sensing system
US4361169A (en) * 1979-11-13 1982-11-30 Commercial Shearing, Inc. Pressure compensated control valves
US4344285A (en) * 1980-02-04 1982-08-17 The Cessna Aircraft Company Signal bleed-down valve
US4352375A (en) * 1980-04-14 1982-10-05 Commercial Shearing, Inc. Control valves
DE3034859A1 (de) 1980-09-16 1982-04-29 Robert Bosch Gmbh, 7000 Stuttgart Hydraulisches wegeventil
US4517800A (en) * 1980-10-31 1985-05-21 Kabushiki Kaisha Komatsu Seisakusho Hydraulic control system for off-highway self-propelled work machines
US4510751A (en) * 1982-04-22 1985-04-16 The Cessna Aircraft Company Outlet metering load-sensing circuit
US4515181A (en) * 1983-05-25 1985-05-07 Caterpillar Tractor Co. Flow control valve assembly wth quick response
US4693272A (en) * 1984-02-13 1987-09-15 Husco International, Inc. Post pressure compensated unitary hydraulic valve
DE3505623A1 (de) * 1985-02-19 1986-08-21 Robert Bosch Gmbh, 7000 Stuttgart Hydraulisches wegeventil fuer eine lastdruckkompensierte steuerung
US4719753A (en) * 1985-02-22 1988-01-19 Linde Aktiengesellschaft Slide valve for load sensing control in a hydraulic system
DE3851193T2 (de) * 1987-10-02 1995-04-06 Applied Power Inc., Butler, Wis. Individueller Strömungsregler mit Druckwaage.
WO1991002902A1 (en) * 1989-08-16 1991-03-07 Hitachi Construction Machinery Co., Ltd. Valve device and hydraulic circuit device
WO1992009809A1 (en) † 1990-11-26 1992-06-11 Hitachi Construction Machinery Co., Ltd. Hydraulic driving system and direction change-over valves
DE10357471A1 (de) * 2003-12-09 2005-07-07 Bosch Rexroth Ag Hydraulische Steueranordnung
JP5360080B2 (ja) * 2011-01-20 2013-12-04 株式会社デンソー バルブタイミング調整装置
JP6096002B2 (ja) * 2013-02-21 2017-03-15 ナブテスコ株式会社 油圧制御装置とその油圧制御装置を搭載した建設機械
JP6938506B2 (ja) * 2016-08-05 2021-09-22 ナブテスコ株式会社 油圧制御弁及び油圧制御回路
EP3680491B1 (en) * 2018-03-09 2024-12-04 KYB Corporation Control valve
WO2022053171A1 (en) * 2020-09-10 2022-03-17 Danfoss Power Solutions Ii Technology A/S Hydraulic system valve control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401521A (en) * 1967-03-06 1968-09-17 Allis Chalmers Mfg Co Hydraulic control valve
US3486334A (en) * 1968-05-16 1969-12-30 Cessna Aircraft Co Hydraulic power transmission control
US3508847A (en) * 1968-09-11 1970-04-28 Cessna Aircraft Co Pump control system
US3777492A (en) * 1971-02-17 1973-12-11 Dowty Technical Dev Ltd Hydraulic apparatus including variable delivery pumps
US3754400A (en) * 1972-04-20 1973-08-28 Deere & Co Variable pressure hydraulic system

Also Published As

Publication number Publication date
US4037410A (en) 1977-07-26
FR2352973A1 (fr) 1977-12-23
DE2723279A1 (de) 1977-12-08
JPS52144576A (en) 1977-12-01
FR2352973B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-12-24
JPS6157482B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-12-06
CA1048369A (en) 1979-02-13

Similar Documents

Publication Publication Date Title
GB1581670A (en) Hydraulic control valve
US3563137A (en) Hydraulic self-leveling control for boom and bucket
EP0079870B1 (en) Hydraulic valve means
EP0546300B1 (de) Elektrohydraulische Steuereinrichtung
EP0066151B1 (en) Hydraulic control system comprising a pilot operated check valve
US6502500B2 (en) Hydraulic system for a work machine
US3592216A (en) Flow control valve
JPH05509376A (ja) 負荷逆止、圧力補償弁
US4088151A (en) Cylinder locking apparatus
US3866419A (en) Integrated pressure compensated load sensing system
US4610193A (en) Load control system
CA1040061A (en) Fluid system of a work vehicle having fluid combining means and signal combining means
EP1045992B1 (en) Control arrangement for a hydraulic motor
CA1103127A (en) Combination check and flow control valve for hydraulic systems
US4065922A (en) Load lifting and lowering control system
US3979907A (en) Priority control valve
EP0008523B1 (en) Improvements relating to hydraulic control systems
US20040231505A1 (en) Multiple-directional switching valve
US6955115B1 (en) Hydraulic circuit having pressure equalization during regeneration
GB1570589A (en) Control apparatus for at least two hydraulic loads supplied from a source of pressure medium
US2954052A (en) Pressure fluid control system and valve
DE3446945C2 (de) Wegeventil mit eingebautem vorgesteuerten Stromregelventil
EP2005006B1 (en) Pilot-operated differential-area pressure compensator and control system for piloting same
US4344285A (en) Signal bleed-down valve
US4194532A (en) Control valve with bypass means

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee