JPS4897120A - - Google Patents

Info

Publication number
JPS4897120A
JPS4897120A JP47088776A JP8877672A JPS4897120A JP S4897120 A JPS4897120 A JP S4897120A JP 47088776 A JP47088776 A JP 47088776A JP 8877672 A JP8877672 A JP 8877672A JP S4897120 A JPS4897120 A JP S4897120A
Authority
JP
Japan
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.)
Pending
Application number
JP47088776A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4897120A publication Critical patent/JPS4897120A/ja
Pending 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)
  • Reciprocating Pumps (AREA)
  • Control Of Fluid Pressure (AREA)
  • Flow Control (AREA)
JP47088776A 1972-02-22 1972-09-06 Pending JPS4897120A (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
JPS4897120A true JPS4897120A (en) 1973-12-11

Family

ID=22855421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47088776A Pending JPS4897120A (en) 1972-02-22 1972-09-06

Country Status (6)

Country Link
US (1) US3777773A (en)
JP (1) JPS4897120A (en)
CA (1) CA944255A (en)
DE (1) DE2302845A1 (en)
FR (1) FR2173516A5 (en)
GB (1) GB1416263A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008291A1 (en) * 1988-02-29 1989-09-08 Kabushiki Kaisha Komatsu Seisakusho Flow control valve

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* Cited by examiner, † Cited by third party
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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
US4209039A (en) * 1978-04-10 1980-06-24 Tadeusz Budzich Load responsive control valve
US4216797A (en) * 1978-04-10 1980-08-12 Tadeusz Budzich Load responsive control valve
DE2908018A1 (en) * 1979-03-01 1980-09-11 Barmag Barmer Maschf HYDRAULIC CONTROL DEVICE FOR LOAD-INDEPENDENT FLOW CONTROL
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
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
US5794438A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Adaptive fluid motor feedback control
US5794437A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Regenerative adaptive fluid motor 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 (en) * 1984-07-03 1986-12-12 Bennes Marrel ASSISTED DRAWER FOR PRESSURE COMPENSATION IN A HYDRAULIC DISTRIBUTOR
DE3611973C2 (en) * 1986-04-09 1994-04-14 Rexroth Mannesmann Gmbh Shunt valve
DE3833874A1 (en) * 1988-10-05 1990-04-12 Bosch Gmbh Robert Hydraulic directional control valve
KR950004532B1 (en) * 1989-10-11 1995-05-02 히다찌 겐끼 가부시기가이샤 Pressure compensating ralve spool positioned by difference in ressure receiving areas for load and inlet pressures
US5447093A (en) * 1993-03-30 1995-09-05 Caterpillar Inc. Flow force compensation
SE501289C2 (en) * 1993-06-24 1995-01-09 Voac Hydraulics Boraas Ab Controls for a hydraulic motor
FR2745337B1 (en) * 1996-02-26 1998-05-22 Rexroth Sigma OPEN CENTER INPUT ELEMENT FOR HYDRAULIC DISTRIBUTION
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 (en) * 1998-06-22 2000-01-11 Shimadzu Corp Preference flow dividing valve
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
ES2536082T3 (en) * 2011-03-22 2015-05-20 Parker-Hannifin Corporation Pilot operated electroproportional mushroom valve with pressure compensation
US8864684B2 (en) 2011-10-13 2014-10-21 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
US9060724B2 (en) 2012-05-30 2015-06-23 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
EP3318295B1 (en) 2012-10-11 2021-04-14 Magnolia Medical Technologies, Inc. System for delivering a fluid to a patient with reduced contamination
CN109171766A (en) 2012-11-30 2019-01-11 木兰医药技术股份有限公司 Body fluid barrier means and the method for completely cutting off body fluid using body fluid barrier means
EP4218575A3 (en) 2012-12-04 2023-09-06 Magnolia Medical Technologies, Inc. Sterile bodily-fluid collection device and methods
US10772548B2 (en) 2012-12-04 2020-09-15 Magnolia Medical Technologies, Inc. Sterile bodily-fluid collection device and methods
CN105188534B (en) 2013-03-12 2018-05-29 木兰医药技术股份有限公司 For selectively blocking the device and method of the tube chamber of needle body
US10123783B2 (en) 2014-03-03 2018-11-13 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 (en) * 2014-09-30 2016-03-31 Claas Tractor Sas Hydraulic control system
US11234626B2 (en) 2015-06-12 2022-02-01 Magnolia Medical Technologies, Inc. Devices and methods for syringe-based fluid transfer for bodily-fluid sampling
EP3733067B1 (en) 2015-09-03 2023-06-14 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 (en) * 2016-07-18 2018-01-23 江苏恒立液压科技有限公司 Hydraulic unloading device
CN116250868A (en) 2017-09-12 2023-06-13 木兰医药技术股份有限公司 Fluid control device and method of using the same
US11419531B2 (en) 2017-12-07 2022-08-23 Magnolia Medical Technologies, Inc. Fluid control devices and methods of using the same
EP3920801A1 (en) 2019-02-08 2021-12-15 Magnolia Medical Technologies, Inc. Devices and methods for bodily fluid collection and distribution
CN113784793B (en) 2019-03-11 2023-09-19 木兰医药技术股份有限公司 Fluid control device and method of using the same
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
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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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008291A1 (en) * 1988-02-29 1989-09-08 Kabushiki Kaisha Komatsu Seisakusho Flow control valve
US4984603A (en) * 1988-02-29 1991-01-15 Kabushiki Kaisha Komatsu Seisakusho Flow control valve assembly

Also Published As

Publication number Publication date
CA944255A (en) 1974-03-26
US3777773A (en) 1973-12-11
GB1416263A (en) 1975-12-03
FR2173516A5 (en) 1973-10-05
DE2302845A1 (en) 1973-08-30

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