FR2173516A5 - - Google Patents

Info

Publication number
FR2173516A5
FR2173516A5 FR7241290A FR7241290A FR2173516A5 FR 2173516 A5 FR2173516 A5 FR 2173516A5 FR 7241290 A FR7241290 A FR 7241290A FR 7241290 A FR7241290 A FR 7241290A FR 2173516 A5 FR2173516 A5 FR 2173516A5
Authority
FR
France
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
FR7241290A
Other languages
French (fr)
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 FR2173516A5 publication Critical patent/FR2173516A5/fr
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)
FR7241290A 1972-02-22 1972-11-21 Expired FR2173516A5 (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
FR2173516A5 true FR2173516A5 (en) 1973-10-05

Family

ID=22855421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7241290A Expired FR2173516A5 (en) 1972-02-22 1972-11-21

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)

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
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
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
US5794437A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Regenerative adaptive fluid motor control
US5794441A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Adaptive fluid feedback control
US5794442A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Adaptive fluid motor control
US5794439A (en) * 1981-11-05 1998-08-18 Lisniansky; Robert Moshe Regenerative adaptive fluid 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
JP2649817B2 (en) * 1988-02-29 1997-09-03 株式会社小松製作所 Flow control valve
DE3833874A1 (en) * 1988-10-05 1990-04-12 Bosch Gmbh Robert Hydraulic directional control valve
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 (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
EP2689141B1 (en) 2011-03-22 2015-02-18 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
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
US9204864B2 (en) 2012-08-01 2015-12-08 Magnolia Medical Technologies, Inc. Fluid diversion mechanism for bodily-fluid sampling
US9149576B2 (en) 2012-10-11 2015-10-06 Magnolia Medical Technologies, Inc. Systems and methods for delivering a fluid to a patient with reduced contamination
JP6329965B2 (en) 2012-11-30 2018-05-23 マグノリア メディカル テクノロジーズ，インコーポレイテッド Syringe-type fluid diversion mechanism for collecting body fluid
EP3626172B1 (en) 2012-12-04 2023-03-22 Magnolia Medical Technologies, Inc. Sterile bodily-fluid collection device
US10772548B2 (en) 2012-12-04 2020-09-15 Magnolia Medical Technologies, Inc. Sterile bodily-fluid collection device and methods
WO2014164263A1 (en) 2013-03-12 2014-10-09 Bullington Gregory J Methods and apparatus for selectively occluding the lumen of a needle
EP3721854B1 (en) 2014-03-03 2023-04-05 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
WO2016201406A1 (en) 2015-06-12 2016-12-15 Bullington Gregory J Devices and methods for syringe-based fluid transfer for bodily-fluid sampling
CN108366904B (en) 2015-09-03 2020-12-01 木兰医药技术股份有限公司 Apparatus and method for maintaining sterility of a sample 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
CN111212597B (en) 2017-09-12 2023-04-11 木兰医药技术股份有限公司 Fluid control device and method of use
CN115553822A (en) 2017-12-07 2023-01-03 木兰医药技术股份有限公司 Fluid control device and method of use
JP2022523153A (en) 2019-02-08 2022-04-21 マグノリア メディカル テクノロジーズ，インコーポレイテッド Equipment and methods for fluid collection and distribution
US11857321B2 (en) 2019-03-11 2024-01-02 Magnolia Medical Technologies, Inc. Fluid control devices and methods of using the same
EP4279750A1 (en) 2021-10-21 2023-11-22 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
JPS4897120A (en) 1973-12-11
DE2302845A1 (en) 1973-08-30
GB1416263A (en) 1975-12-03
CA944255A (en) 1974-03-26
US3777773A (en) 1973-12-11

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Legal Events

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ST Notification of lapse