CA1019222A - Pressure compensating valve mechanism for hydraulic control valves - Google Patents

Pressure compensating valve mechanism for hydraulic control valves

Info

Publication number
CA1019222A
CA1019222A CA225,007A CA225007A CA1019222A CA 1019222 A CA1019222 A CA 1019222A CA 225007 A CA225007 A CA 225007A CA 1019222 A CA1019222 A CA 1019222A
Authority
CA
Canada
Prior art keywords
hydraulic control
control valves
valve mechanism
pressure compensating
compensating valve
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
CA225,007A
Inventor
Francis H. Tennis
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.)
Sundstrand Corp
Original Assignee
Sundstrand Corp
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 Sundstrand Corp filed Critical Sundstrand Corp
Application granted granted Critical
Publication of CA1019222A publication Critical patent/CA1019222A/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
    • F15B13/0416—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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2612—Common sensor for both bypass or relief valve and other branch valve
    • Y10T137/2615—Bypass or relief valve opens as other branch valve closes
    • 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
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2622—Bypass or relief valve responsive to pressure downstream of outlet valve
    • Y10T137/2627—Outlet valve carried by bypass or relief 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7832—Plural valves biased closed
    • 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
    • Y10T137/86879—Reciprocating valve unit
    • 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
CA225,007A 1974-04-22 1975-04-18 Pressure compensating valve mechanism for hydraulic control valves Expired CA1019222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US463098A US3885583A (en) 1974-04-22 1974-04-22 Pressure compensating valve mechanism for hydraulic control valves

Publications (1)

Publication Number Publication Date
CA1019222A true CA1019222A (en) 1977-10-18

Family

ID=23838851

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225,007A Expired CA1019222A (en) 1974-04-22 1975-04-18 Pressure compensating valve mechanism for hydraulic control valves

Country Status (8)

Country Link
US (1) US3885583A (en)
JP (1) JPS5533481B2 (en)
CA (1) CA1019222A (en)
DE (1) DE2517135A1 (en)
FR (1) FR2268212B1 (en)
GB (1) GB1493991A (en)
IT (1) IT1032705B (en)
PL (1) PL96325B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779419A (en) * 1985-11-12 1988-10-25 Caterpillar Inc. Adjustable flow limiting pressure compensated flow control
DE19829394A1 (en) * 1998-07-01 2000-01-13 Fluidtech Gmbh Pressure control valve with hydrodynamic damping
AU2005201136B2 (en) * 2004-03-24 2007-02-15 Kayaba Industry Co. Ltd. Flow Control Valve
US9121397B2 (en) 2010-12-17 2015-09-01 National Oilwell Varco, L.P. Pulsation dampening system for a reciprocating pump
CN104235098B (en) * 2013-12-23 2016-08-17 江苏恒立液压科技有限公司 Fluid pressure valve device
EP3220023B1 (en) * 2016-03-15 2020-12-23 Hamilton Sundstrand Corporation Directional control valve
CN107762999B (en) * 2017-11-23 2019-05-24 李群 Three-way pressure compensating valve and pressure compensating system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610859A (en) * 1949-07-09 1952-09-16 Modern Products Inc Quick-exhausting valve
US3034527A (en) * 1959-11-17 1962-05-15 William E Hennells Safety check and exhaust valve
US3595265A (en) * 1969-04-14 1971-07-27 Caterpillar Tractor Co Self-cleaning orifice check valve
US3718159A (en) * 1971-01-20 1973-02-27 Hydraulic Industries Control valve

Also Published As

Publication number Publication date
JPS50144135A (en) 1975-11-19
GB1493991A (en) 1977-12-07
DE2517135A1 (en) 1975-10-30
FR2268212B1 (en) 1977-04-15
JPS5533481B2 (en) 1980-09-01
PL96325B1 (en) 1977-12-31
FR2268212A1 (en) 1975-11-14
US3885583A (en) 1975-05-27
IT1032705B (en) 1979-06-20

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