CA997985A - Hydraulic control valve and pressure compensating mechanism therefor - Google Patents

Hydraulic control valve and pressure compensating mechanism therefor

Info

Publication number
CA997985A
CA997985A CA193,923A CA193923A CA997985A CA 997985 A CA997985 A CA 997985A CA 193923 A CA193923 A CA 193923A CA 997985 A CA997985 A CA 997985A
Authority
CA
Canada
Prior art keywords
control valve
hydraulic control
pressure compensating
mechanism therefor
compensating mechanism
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
CA193,923A
Other languages
English (en)
Other versions
CA193923S (en
Inventor
Raud A. Wilke
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.)
Koehring Co
Original Assignee
Koehring 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 Koehring Co filed Critical Koehring Co
Application granted granted Critical
Publication of CA997985A publication Critical patent/CA997985A/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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0832—Modular valves
    • F15B13/0839—Stacked plate type 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
    • 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
    • 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
    • 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
    • F15B2211/30505—Non-return valves, i.e. 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
    • 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
    • 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
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
CA193,923A 1973-09-21 1974-03-04 Hydraulic control valve and pressure compensating mechanism therefor Expired CA997985A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US399527A US3881512A (en) 1973-09-21 1973-09-21 Hydraulic control valve and pressure compensating mechanism therefor

Publications (1)

Publication Number Publication Date
CA997985A true CA997985A (en) 1976-10-05

Family

ID=23579863

Family Applications (1)

Application Number Title Priority Date Filing Date
CA193,923A Expired CA997985A (en) 1973-09-21 1974-03-04 Hydraulic control valve and pressure compensating mechanism therefor

Country Status (8)

Country Link
US (1) US3881512A (de)
JP (2) JPS5058625A (de)
AU (1) AU471959B2 (de)
BR (1) BR7404240A (de)
CA (1) CA997985A (de)
DE (1) DE2423243C3 (de)
FR (1) FR2244955B1 (de)
GB (1) GB1413450A (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112962A (en) * 1976-01-16 1978-09-12 Huff Peter C Integrated pneumatic logic module
FR2346582A1 (fr) * 1976-04-02 1977-10-28 Bouteille Daniel Dispositif perfectionne de distribution pour une installation pneumatique
US4199005A (en) * 1976-08-20 1980-04-22 Tadeusz Budzich Load responsive control valve
GB1585515A (en) * 1977-05-20 1981-03-04 Dewandre Co Ltd C Spool type brake valves
US4154261A (en) * 1977-07-07 1979-05-15 Tadeusz Budzich Pressure sensing passages of load responsive control valves
US4430927A (en) * 1980-06-19 1984-02-14 Rubery Owen (Hydraulics) Limited Hydraulic valves
DE3302000A1 (de) * 1983-01-21 1984-07-26 Danfoss A/S, Nordborg Hydraulisches schieberventil
FR2540214B1 (fr) * 1983-01-27 1986-03-14 Rexroth Sigma Perfectionnements apportes aux distributeurs de fluide
DE3309998C2 (de) * 1983-03-19 1996-06-13 Bosch Gmbh Robert Hydraulische Einrichtung zur Auswahl und Weiterleitung eines Drucksignals in einem Blockwegeventil
DE3415621C3 (de) * 1983-06-13 1997-07-17 Husco Int Inc Hydraulisches Mehrwege-Steuerventil
CA1246425A (en) * 1984-02-13 1988-12-13 Raud A. Wilke Post-pressure-compensated unitary hydraulic valve
US4693272A (en) * 1984-02-13 1987-09-15 Husco International, Inc. Post pressure compensated unitary hydraulic valve
FR2562632B1 (fr) * 1984-04-18 1986-12-12 Bennes Marrel Distributeur hydraulique du type proportionnel, avec prise d'informations concernant les plus fortes pressions dans les circuits d'utilisation
FR2567233B1 (fr) * 1984-07-03 1986-12-12 Bennes Marrel Tiroir assiste pour la compensation de pression dans un distributeur hydraulique
JPS6155708U (de) * 1984-09-17 1986-04-15
DE3512014A1 (de) * 1985-04-02 1986-10-02 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische einrichtung zur auswahl und weiterleitung eines drucksignals in einem blockwegeventil
FR2619192B2 (fr) * 1987-08-03 1989-12-29 Bennes Marrel Distributeur hydraulique du type proportionnel avec prise d'informations concernant les plus fortes pressions dans les circuits d'utilisation
JP2683244B2 (ja) * 1988-04-14 1997-11-26 株式会社ゼクセル 制御弁
US4977928A (en) * 1990-05-07 1990-12-18 Caterpillar Inc. Load sensing hydraulic system
DE4234037C2 (de) * 1992-10-09 2001-03-22 Mannesmann Rexroth Ag Ventilanordnung, insbesondere für mobile Arbeitsgeräte
JP3491770B2 (ja) * 1994-03-15 2004-01-26 株式会社小松製作所 方向制御弁
US5715865A (en) * 1996-11-13 1998-02-10 Husco International, Inc. Pressure compensating hydraulic control valve system
US5957159A (en) * 1997-01-21 1999-09-28 Hitachi Construction Machinery Co., Ltd. Directional control valve with flow distribution valves
US5878647A (en) * 1997-08-11 1999-03-09 Husco International Inc. Pilot solenoid control valve and hydraulic control system using same
US5890362A (en) * 1997-10-23 1999-04-06 Husco International, Inc. Hydraulic control valve system with non-shuttle pressure compensator
DE19750367C2 (de) * 1997-11-14 2001-07-05 Danfoss Fluid Power As Nordbor Hydraulischer Fahrzeugantrieb und Ventilmodul hierfür
US5950429A (en) * 1997-12-17 1999-09-14 Husco International, Inc. Hydraulic control valve system with load sensing priority
US6189564B1 (en) * 1998-08-24 2001-02-20 Amhi Corporation Metering valve
US6964281B2 (en) * 2003-02-07 2005-11-15 Husco International Inc. Multiple hydraulic spool valve assembly with a monolithic body
JP4381774B2 (ja) * 2003-10-27 2009-12-09 ナブテスコ株式会社 ガスケット及びガスケットを備える多連弁
US6996982B2 (en) * 2003-12-09 2006-02-14 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor
EP1801426B1 (de) 2005-12-20 2011-11-02 THOMAS MAGNETE GmbH Hydraulische oder pneumatische Schaltungsanordnung
US7921878B2 (en) * 2006-06-30 2011-04-12 Parker Hannifin Corporation Control valve with load sense signal conditioning
JP6425500B2 (ja) * 2014-11-07 2018-11-21 Ｋｙｂ株式会社 ロードセンシングバルブ装置
US10125797B2 (en) * 2014-11-21 2018-11-13 Parker-Hannifin Corporation Vent for load sense valves
CN104879338B (zh) * 2015-05-21 2017-03-29 冯广建 一种液压油道借道伸缩装置
US10876552B2 (en) * 2018-09-21 2020-12-29 Eaton Intelligent Power Limited Hydraulic fluid pressure compensator unit with integrated load sense and reverse flow checks
US10975777B2 (en) * 2018-10-01 2021-04-13 Hamilton Sunstrand Corporation Fuel metering unit
CN109654074B (zh) * 2018-12-26 2020-04-07 太原理工大学 一种工程机械液压系统
CN112065793B (zh) * 2020-08-17 2022-06-03 齐鲁工业大学 无环槽逻辑具有双向节流第三工作油口的多位五通换向阀

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4412550Y1 (de) * 1964-11-21 1969-05-24
US3411416A (en) * 1965-01-29 1968-11-19 Eton Yale & Towne Inc Adjustable, metered, directional flow control arrangement
US3465519A (en) * 1967-08-18 1969-09-09 Webster Electric Co Inc Hydraulic flow controlling apparatus
US3602104A (en) * 1969-07-08 1971-08-31 Eaton Yale & Towne Pressure-compensated flow control
US3718159A (en) * 1971-01-20 1973-02-27 Hydraulic Industries Control valve

Also Published As

Publication number Publication date
DE2423243C3 (de) 1978-09-07
GB1413450A (en) 1975-11-12
FR2244955B1 (de) 1981-05-08
FR2244955A1 (de) 1975-04-18
AU471959B2 (en) 1976-05-06
AU7169574A (en) 1976-01-29
US3881512A (en) 1975-05-06
DE2423243B2 (de) 1978-01-12
DE2423243A1 (de) 1975-03-27
BR7404240A (pt) 1976-02-03
JPS564003U (de) 1981-01-14
JPS5058625A (de) 1975-05-21

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