CA1270723A - Hydraulic pressure reducing control valve - Google Patents

Hydraulic pressure reducing control valve

Info

Publication number
CA1270723A
CA1270723A CA000500119A CA500119A CA1270723A CA 1270723 A CA1270723 A CA 1270723A CA 000500119 A CA000500119 A CA 000500119A CA 500119 A CA500119 A CA 500119A CA 1270723 A CA1270723 A CA 1270723A
Authority
CA
Canada
Prior art keywords
spool
bore
pressure
valve
chamber
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 - Lifetime
Application number
CA000500119A
Other languages
English (en)
French (fr)
Inventor
James P. Janecke
Kishor J. Patel
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.)
Enerpac Tool Group Corp
Original Assignee
Applied Power 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 Applied Power Inc filed Critical Applied Power Inc
Application granted granted Critical
Publication of CA1270723A publication Critical patent/CA1270723A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2024—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means the throttling means being a multiple-way valve
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
    • G05D16/2097—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power 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
    • Y10T137/8593—Systems
    • Y10T137/86389—Programmer or timer
    • Y10T137/86405—Repeating cycle
    • 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
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric
    • 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
    • Y10T137/86622—Motor-operated
    • Y10T137/8663—Fluid motor
    • 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
    • Y10T137/8671—With annular passage [e.g., spool]

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Fluid Pressure (AREA)
  • Safety Valves (AREA)
CA000500119A 1985-03-26 1986-01-22 Hydraulic pressure reducing control valve Expired - Lifetime CA1270723A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US716,037 1985-03-26
US06/716,037 US4576200A (en) 1985-03-26 1985-03-26 Hydraulic pressure reducing control valve

Publications (1)

Publication Number Publication Date
CA1270723A true CA1270723A (en) 1990-06-26

Family

ID=24876467

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000500119A Expired - Lifetime CA1270723A (en) 1985-03-26 1986-01-22 Hydraulic pressure reducing control valve

Country Status (5)

Country Link
US (1) US4576200A (cg-RX-API-DMAC7.html)
EP (1) EP0195890B1 (cg-RX-API-DMAC7.html)
JP (1) JPS61248113A (cg-RX-API-DMAC7.html)
CA (1) CA1270723A (cg-RX-API-DMAC7.html)
DE (1) DE3688754T2 (cg-RX-API-DMAC7.html)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674613A (en) * 1985-12-16 1987-06-23 Controlled Hydraulics, Inc. Electrically controlled transmission soft shifter
US4676273A (en) * 1986-10-07 1987-06-30 General Motors Corporation Electro-hydraulic pressure regulating valve
US4741364A (en) * 1987-06-12 1988-05-03 Deere & Company Pilot-operated valve with load pressure feedback
US4774976A (en) * 1987-09-23 1988-10-04 Applied Power Inc. Modulating hydraulic pressure control valve and assembly method therefor
US5000220A (en) * 1988-10-14 1991-03-19 Allied-Signal Inc. Metering valve with follow-up servo
US5178359A (en) * 1990-02-08 1993-01-12 Applied Power Inc. Porportional pressure control valve
US5067687A (en) * 1990-02-08 1991-11-26 Applied Power Inc. Proportional pressure control valve
US5069420A (en) * 1990-02-08 1991-12-03 Applied Power Inc. Proportional pressure control valve
US5184644A (en) * 1991-05-30 1993-02-09 Coltec Industries Inc. Solenoid operated pressure regulating valve
EP0580877B1 (fr) * 1991-07-09 1995-08-30 Honeywell Lucifer Sa Dispositif de régulation de pression
US5417402A (en) * 1994-02-10 1995-05-23 Alliedsignal Inc. Shutoff and pressure regulating valve
US6116263A (en) * 1998-07-23 2000-09-12 Hydraforce, Inc. Proportional priority flow regulator with reverse flow control
US6167906B1 (en) * 1998-07-23 2001-01-02 Hydraforce, Inc. Bi-directional flow control valve
GB9912241D0 (en) * 1999-05-26 1999-07-28 Imi Watson Smith Limited Fluid pressure regulating valve
US6467496B2 (en) 2000-12-04 2002-10-22 Sauer-Danfoss Inc. Single-adjustment, dual-null pressure setting for an electrohydraulic valve pilot stage
US6460558B2 (en) 2000-12-04 2002-10-08 Sauer-Danfoss, Inc. Pilot stage or pressure control pilot valve having a single armature/flapper
US6901960B2 (en) * 2002-09-06 2005-06-07 Ingersoll-Rand Company Double diaphragm pump including spool valve air motor
US6865981B2 (en) * 2003-03-11 2005-03-15 Ingersoll-Rand Company Method of producing a pump
DE10325177A1 (de) * 2003-06-04 2005-01-05 Hydac Fluidtechnik Gmbh Ventil
US7104282B2 (en) 2003-08-26 2006-09-12 Honeywell International, Inc. Two stage solenoid control valve
US7516758B2 (en) * 2006-04-04 2009-04-14 Eaton Corporation Spool-type manual valve with position-adjustable lever
DE102009006445B3 (de) * 2009-01-28 2010-07-15 Hydac Fluidtechnik Gmbh Proportional-Druckregelventil
DE102010005524A1 (de) * 2010-01-23 2011-07-28 Robert Bosch GmbH, 70469 Stromregelventil mit Dämpfungskammer
CN103370565B (zh) * 2011-02-28 2015-04-29 博格华纳公司 两级可变力螺线管
JP5608599B2 (ja) * 2011-03-30 2014-10-15 アズビル株式会社 パイロットリレー
DE102013008840A1 (de) * 2013-05-24 2014-11-27 Hydac Fluidtechnik Gmbh Proportional-Druckregelventil
EP2835178B1 (en) 2013-08-06 2017-04-12 Yantai AusBio Laboratories Co., Ltd. Centrifuge and method for centrifuging a reaction vessel unit
US10145594B2 (en) 2016-02-03 2018-12-04 Dunan Microstaq, Inc. Expansion valve
US10180106B2 (en) * 2016-05-17 2019-01-15 Hamilton Sundstrand Corporation Solenoids for gas turbine engine bleed valves
CN108223357B (zh) * 2017-11-24 2019-11-08 河南航天液压气动技术有限公司 一种内泄式齿轮泵
CN114194166A (zh) * 2020-09-17 2022-03-18 宁波佳缘海沃机械有限公司 一种汽车控制阀
CN113339800B (zh) * 2021-06-02 2024-07-26 广州市精鼎电器科技有限公司 一种全预混燃烧用燃气比例阀

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210640B (de) * 1959-01-14 1966-02-10 United Aircraft Corp Schnell oeffnendes und schliessendes Ventil fuer gasfoermige Stroemungsmittel
US3592211A (en) * 1967-11-30 1971-07-13 Hawker Siddeley Dynamics Ltd Pressure-regulating valve
US3454026A (en) * 1968-06-26 1969-07-08 Bendix Corp Pressure feedback
FR2129156A5 (cg-RX-API-DMAC7.html) * 1971-03-17 1972-10-27 Citroen Sa
JPS5421912B2 (cg-RX-API-DMAC7.html) * 1971-12-02 1979-08-02
JPS5824805B2 (ja) * 1974-10-11 1983-05-24 株式会社小松製作所 セイギヨベン
DE3216693A1 (de) * 1982-05-05 1983-11-10 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Elektropneumatisches servoventil zur steuerung eines volumenstromes bzw. eines druckes
DE3220815C2 (de) * 1982-06-03 1985-02-28 Ransburg-Gema AG, St.Gallen Druckregelvorrichtung für gasförmige und flüssige Strömungsmittel
US4538644A (en) * 1983-06-09 1985-09-03 Applied Power Inc. Pressure regulator

Also Published As

Publication number Publication date
EP0195890A3 (en) 1988-07-06
EP0195890B1 (en) 1993-07-28
JPH0555886B2 (cg-RX-API-DMAC7.html) 1993-08-18
EP0195890A2 (en) 1986-10-01
JPS61248113A (ja) 1986-11-05
DE3688754D1 (de) 1993-09-02
DE3688754T2 (de) 1993-10-28
US4576200A (en) 1986-03-18

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