CA944255A - Pressure compensating valve mechanism - Google Patents

Pressure compensating valve mechanism

Info

Publication number
CA944255A
CA944255A CA145,682A CA145682A CA944255A CA 944255 A CA944255 A CA 944255A CA 145682 A CA145682 A CA 145682A CA 944255 A CA944255 A CA 944255A
Authority
CA
Canada
Prior art keywords
valve mechanism
pressure compensating
compensating valve
pressure
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
CA145,682A
Other languages
English (en)
Other versions
CA145682S (en
Inventor
William N. Tolbert (Jr.)
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 CA944255A publication Critical patent/CA944255A/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
    • 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
    • F15B2211/253—Pressure margin control, e.g. pump pressure in relation to load 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • Y10T137/263—Plural sensors for single 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
    • Y10T137/8593—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)
  • Control Of Fluid Pressure (AREA)
  • Flow Control (AREA)
  • Reciprocating Pumps (AREA)
CA145,682A 1972-02-22 1972-06-26 Pressure compensating valve mechanism Expired CA944255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22802072A 1972-02-22 1972-02-22

Publications (1)

Publication Number Publication Date
CA944255A true CA944255A (en) 1974-03-26

Family

ID=22855421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,682A Expired CA944255A (en) 1972-02-22 1972-06-26 Pressure compensating valve mechanism

Country Status (6)

Country Link
US (1) US3777773A (US20100292554A1-20101118-C00004.png)
JP (1) JPS4897120A (US20100292554A1-20101118-C00004.png)
CA (1) CA944255A (US20100292554A1-20101118-C00004.png)
DE (1) DE2302845A1 (US20100292554A1-20101118-C00004.png)
FR (1) FR2173516A5 (US20100292554A1-20101118-C00004.png)
GB (1) GB1416263A (US20100292554A1-20101118-C00004.png)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878864A (en) * 1973-12-07 1975-04-22 Borg Warner Bypass valve
US3971216A (en) * 1974-06-19 1976-07-27 The Scott & Fetzer Company Load responsive system with synthetic signal
US3976090A (en) * 1975-02-25 1976-08-24 Johnson Philip C Slow start hydraulic valve
US4003400A (en) * 1975-04-07 1977-01-18 The Boeing Company Self-depressurizing metering valve
US4121610A (en) * 1976-02-02 1978-10-24 Ambac Industries Incorporated Electrically operated proportional flow control hydraulic valve and manually operable remote control device therefor
US4199005A (en) * 1976-08-20 1980-04-22 Tadeusz Budzich Load responsive control valve
US4216797A (en) * 1978-04-10 1980-08-12 Tadeusz Budzich Load responsive control valve
US4209039A (en) * 1978-04-10 1980-06-24 Tadeusz Budzich Load responsive control valve
DE2908018A1 (de) * 1979-03-01 1980-09-11 Barmag Barmer Maschf Hydraulische steuervorrichtung fuer lastunabhaengige durchflussregelung
US4253482A (en) * 1979-03-05 1981-03-03 Gresen Manufacturing Company Hydraulic valve having pressure compensated demand flow
US4361169A (en) * 1979-11-13 1982-11-30 Commercial Shearing, Inc. Pressure compensated control valves
US4352375A (en) * 1980-04-14 1982-10-05 Commercial Shearing, Inc. Control valves
US5794437A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Regenerative adaptive fluid motor control
US5794438A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Adaptive fluid motor feedback control
US5794440A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Adaptive fluid control
US5794441A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Adaptive fluid feedback control
US5794439A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Regenerative adaptive fluid control
US5794442A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Adaptive fluid motor control
US4693272A (en) * 1984-02-13 1987-09-15 Husco International, Inc. Post pressure compensated unitary hydraulic valve
FR2567233B1 (fr) * 1984-07-03 1986-12-12 Bennes Marrel Tiroir assiste pour la compensation de pression dans un distributeur hydraulique
DE3611973C2 (de) * 1986-04-09 1994-04-14 Rexroth Mannesmann Gmbh Nebenschlußventil
JP2649817B2 (ja) * 1988-02-29 1997-09-03 株式会社小松製作所 流量制御弁
DE3833874A1 (de) * 1988-10-05 1990-04-12 Bosch Gmbh Robert Hydraulisches wegeventil
US5152140A (en) * 1989-10-11 1992-10-06 Hitachi Construction Machinery Co., Ltd. Pressure compensating valve spool positioned by difference in pressure receiving areas for load and inlet pressures
US5447093A (en) * 1993-03-30 1995-09-05 Caterpillar Inc. Flow force compensation
SE501289C2 (sv) * 1993-06-24 1995-01-09 Voac Hydraulics Boraas Ab Styrorgan för en hydraulisk motor
FR2745337B1 (fr) * 1996-02-26 1998-05-22 Rexroth Sigma Element d'entree a centre ouvert pour distribution hydraulique
US5791142A (en) * 1997-03-27 1998-08-11 Husco International, Inc. Hydraulic control valve system with split pressure compensator
WO1999064761A1 (en) * 1998-06-12 1999-12-16 Lisniansky Robert M Regenerative adaptive fluid control
WO1999064760A1 (en) * 1998-06-12 1999-12-16 Lisniansky, Robert, M. Regenerative adaptive fluid motor control
JP2000009103A (ja) * 1998-06-22 2000-01-11 Shimadzu Corp 優先型分流弁
US20050081518A1 (en) * 2003-10-20 2005-04-21 Pengfei Ma Flow-control apparatus for controlling the swing speed of a boom assembly
US8197420B2 (en) 2006-12-18 2012-06-12 Magnolia Medical Technologies, Inc. Systems and methods for parenterally procuring bodily-fluid samples with reduced contamination
US8256445B2 (en) * 2008-05-22 2012-09-04 Honeywell International Inc. Pressurizing and pressure regulating valve and fuel supply system employing the same
US20140026985A1 (en) * 2011-03-22 2014-01-30 Parker-Hannifin Corporation Electro-proportional pilot operated poppet valve with pressure compensation
US8864684B2 (en) 2011-10-13 2014-10-21 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
US9060724B2 (en) 2012-05-30 2015-06-23 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
US9022951B2 (en) 2012-05-30 2015-05-05 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
WO2014022275A1 (en) * 2012-08-01 2014-02-06 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
WO2014058945A1 (en) 2012-10-11 2014-04-17 Bullington Gregory J Systems and methods for delivering a fluid to a patient with reduced contamination
EP2925228B1 (en) 2012-11-30 2018-09-26 Magnolia Medical Technologies, Inc. Syringe based fluid diversion mechanism for bodily-fluid sampling
CN107874786B (zh) 2012-12-04 2020-11-24 木兰医药技术股份有限公司 用于从患者获取体液样本的设备
US10772548B2 (en) 2012-12-04 2020-09-15 Magnolia Medical Technologies, Inc. Sterile bodily-fluid collection device and methods
EP2967462B8 (en) 2013-03-12 2018-11-14 Magnolia Medical Technologies, Inc. Methods and apparatus for selectively occluding the lumen of a needle
EP4218708A3 (en) 2014-03-03 2023-08-16 Magnolia Medical Technologies, Inc. Apparatus and methods for disinfection of a specimen container
US10007276B2 (en) * 2014-05-20 2018-06-26 Hamilton Sundstrand Corporation Pressure-regulating valves
DE102014114210A1 (de) * 2014-09-30 2016-03-31 Claas Tractor Sas Hydraulisches Steuersystem
US11234626B2 (en) 2015-06-12 2022-02-01 Magnolia Medical Technologies, Inc. Devices and methods for syringe-based fluid transfer for bodily-fluid sampling
EP4249119A3 (en) 2015-09-03 2023-11-29 Magnolia Medical Technologies, Inc. System for maintaining sterility of a specimen container
US10392977B2 (en) * 2016-02-11 2019-08-27 Slw Automotive Inc. Automotive lubricant pumping system with two piece relief valve
US10323762B2 (en) * 2016-04-21 2019-06-18 Parker-Hannifin Corporation Three-way pressure control and flow regulator valve
CN106015144B (zh) * 2016-07-18 2018-01-23 江苏恒立液压科技有限公司 液压卸荷装置
US11076787B2 (en) 2017-09-12 2021-08-03 Magnolia Medical Technologies, Inc. Fluid control devices and methods of using the same
CN115553822A (zh) 2017-12-07 2023-01-03 木兰医药技术股份有限公司 流体控制装置及其使用方法
CA3129065A1 (en) 2019-02-08 2020-08-13 Magnolia Medical Technologies, Inc. Devices and methods for bodily fluid collection and distribution
EP3938108B1 (en) 2019-03-11 2023-08-02 Magnolia Medical Technologies, Inc. Fluid control devices
EP4170188A1 (en) * 2021-10-21 2023-04-26 Bucher Hydraulics S.p.A. Inlet section for use in a hydraulic distributor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128783A (en) * 1957-02-11 1964-04-14 Holley Carburetor Co Bypass valve with limited reset
US2977971A (en) * 1958-04-03 1961-04-04 New York Air Brake Co Fluid distribution system and valves therefor
US3143127A (en) * 1962-11-07 1964-08-04 Clark Equipment Co Regulating valve
US3456671A (en) * 1966-04-14 1969-07-22 Parker Hannifin Corp Directional control valve
US3570522A (en) * 1967-05-10 1971-03-16 Caterpillar Tractor Co Hydraulic pressure modulating transmission control system
US3631890A (en) * 1970-04-06 1972-01-04 Borg Warner Flow extending bypass valve

Also Published As

Publication number Publication date
FR2173516A5 (US20100292554A1-20101118-C00004.png) 1973-10-05
GB1416263A (en) 1975-12-03
DE2302845A1 (de) 1973-08-30
US3777773A (en) 1973-12-11
JPS4897120A (US20100292554A1-20101118-C00004.png) 1973-12-11

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