FR2260013B1 - - Google Patents

Info

Publication number
FR2260013B1
FR2260013B1 FR7403659A FR7403659A FR2260013B1 FR 2260013 B1 FR2260013 B1 FR 2260013B1 FR 7403659 A FR7403659 A FR 7403659A FR 7403659 A FR7403659 A FR 7403659A FR 2260013 B1 FR2260013 B1 FR 2260013B1
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
FR7403659A
Other versions
FR2260013A1 (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.)
Poclain SA
Original Assignee
Poclain SA
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 Poclain SA filed Critical Poclain SA
Priority to FR7403659A priority Critical patent/FR2260013B1/fr
Priority to IN175/CAL/75A priority patent/IN144752B/en
Priority to BE2054117A priority patent/BE824965A/fr
Priority to BR7500616A priority patent/BR7500616A/pt
Priority to DE19752504270 priority patent/DE2504270A1/de
Priority to US05/546,830 priority patent/US3962954A/en
Priority to IT6726675A priority patent/IT1027445B/it
Priority to GB459275A priority patent/GB1493704A/en
Priority to CA219,340A priority patent/CA1023243A/fr
Priority to JP1402275A priority patent/JPS50108477A/ja
Publication of FR2260013A1 publication Critical patent/FR2260013A1/fr
Application granted granted Critical
Publication of FR2260013B1 publication Critical patent/FR2260013B1/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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • 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
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3052—Shuttle 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40523—Flow control characterised by the type of flow control means or valve with flow dividers
    • 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
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in control
    • 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
    • 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
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line
    • 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
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/65—Methods of control of the load sensing pressure
    • F15B2211/651—Methods of control of the load sensing pressure characterised by the way the load pressure is communicated to the load sensing circuit
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/65—Methods of control of the load sensing pressure
    • F15B2211/652—Methods of control of the load sensing pressure the load sensing pressure being different from the 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members
    • F15B2211/782—Concurrent control, e.g. synchronisation of two or more actuators
    • 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
FR7403659A 1974-02-04 1974-02-04 Expired FR2260013B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7403659A FR2260013B1 (fr) 1974-02-04 1974-02-04
IN175/CAL/75A IN144752B (fr) 1974-02-04 1975-01-29
BE2054117A BE824965A (fr) 1974-02-04 1975-01-30 Dispositif d'alimentation en fluide sous pression de deux recepteurs avec report de pression a clapet a double pilotage
BR7500616A BR7500616A (pt) 1974-02-04 1975-01-31 Dispositivo de alimentacao em fluido sob pressao
DE19752504270 DE2504270A1 (de) 1974-02-04 1975-02-01 Vorrichtung zur versorgung zweier verbraucher mit druckfluessigkeit
US05/546,830 US3962954A (en) 1974-02-04 1975-02-03 Supply apparatus for two receiving means having a pressure summation device
IT6726675A IT1027445B (it) 1974-02-04 1975-02-03 Dispositivo di alimentazionedi fluido sotto pressione di due dispositivi riceventi con rinvio di pressione a valvola con doppio controllo
GB459275A GB1493704A (en) 1974-02-04 1975-02-03 Fluid control apparatus
CA219,340A CA1023243A (fr) 1974-02-04 1975-02-04 Alimentateur pour deux recepteurs, a dispositif equilibreur des pressions
JP1402275A JPS50108477A (fr) 1974-02-04 1975-02-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7403659A FR2260013B1 (fr) 1974-02-04 1974-02-04

Publications (2)

Publication Number Publication Date
FR2260013A1 FR2260013A1 (fr) 1975-08-29
FR2260013B1 true FR2260013B1 (fr) 1976-10-08

Family

ID=9134438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403659A Expired FR2260013B1 (fr) 1974-02-04 1974-02-04

Country Status (10)

Country Link
US (1) US3962954A (fr)
JP (1) JPS50108477A (fr)
BE (1) BE824965A (fr)
BR (1) BR7500616A (fr)
CA (1) CA1023243A (fr)
DE (1) DE2504270A1 (fr)
FR (1) FR2260013B1 (fr)
GB (1) GB1493704A (fr)
IN (1) IN144752B (fr)
IT (1) IT1027445B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112821A (en) * 1976-12-03 1978-09-12 Caterpillar Tractor Co. Fluid control system for multiple circuited work elements
NO163129C (no) * 1977-02-01 1991-05-02 Karmoey Mekaniske Verksted As Anordning til styring av to traalvinsjer.
FR2453334A1 (fr) * 1979-04-05 1980-10-31 Poclain Hydraulics Sa Circuit de transmission de puissance par fluide sous pression
US4345435A (en) * 1980-05-05 1982-08-24 Sperry Corporation Power transmission
US4377103A (en) * 1980-07-14 1983-03-22 The United States Of America As Represented By The Secretary Of The Navy Dual dependent stores ejector assembly for angular rate and position control
JPS59217066A (ja) * 1983-03-24 1984-12-07 ハイドロマチツク・ゲゼルシヤフト・ミツト・ベシユレンクタ−・ハフツング 圧力アベレ−ジヤ−
EP0127027B1 (fr) * 1983-05-30 1988-03-09 BBC Brown Boveri AG Servomoteur électrohydraulique pour soupapes de turbines
JPS6011705A (ja) * 1983-06-30 1985-01-22 Komatsu Ltd 作動油圧制御装置
GB2166098B (en) * 1984-10-31 1987-10-28 Trw Cam Gears Ltd Vehicle hydraulic servo system
US4787204A (en) * 1987-09-28 1988-11-29 J. I. Case Company Common relief valve
WO1991002913A1 (fr) * 1989-08-26 1991-03-07 Zahnradfabrik Friedrichshafen Ag Dispositif de commande de pression
US7507903B2 (en) * 1999-03-30 2009-03-24 Daniel Luch Substrate and collector grid structures for integrated series connected photovoltaic arrays and process of manufacture of such arrays
US6438951B2 (en) * 1999-06-07 2002-08-27 George H. Morgan Hydraulic drive with regeneration circuit
US7000386B1 (en) * 2002-12-12 2006-02-21 Morgan George H Hydraulic intensification circuit with rotary flow devider and bypass valve
KR101769644B1 (ko) 2010-04-30 2017-08-30 이턴 코포레이션 다중 유체펌프 결합회로
JP6017555B2 (ja) 2011-07-01 2016-11-02 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ 開及び閉ループポンプシステムの組合せを利用する油圧システム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2239148A (en) * 1938-06-10 1941-04-22 Hydraulie Dev Corp Inc Fluid pressure relief or unloading valve
US2467576A (en) * 1945-01-25 1949-04-19 Zimmermann Lukas Hydraulic system utilizing flow dividers
US2659206A (en) * 1951-04-18 1953-11-17 Goodman Mfg Co Mining machine hydraulic control system and master safety valve therefor
DE1528476A1 (de) * 1966-03-10 1969-08-07 Linde Ag Steuereinrichtung fuer mehrere Pumpen
US3447556A (en) * 1967-02-13 1969-06-03 David Franklin Howeth Collector valve
DE2003740C3 (de) * 1970-01-28 1981-05-07 Robert Bosch Gmbh, 7000 Stuttgart Hydraulikanlage mit wenigstens zwei Pumpen
NO124443B (fr) * 1970-04-22 1972-04-17 Ingebret Soeyland
FR2138527B1 (fr) * 1971-05-27 1975-06-06 Poclain Sa
FR2218007A5 (fr) * 1973-02-12 1974-09-06 Poclain Sa

Also Published As

Publication number Publication date
JPS50108477A (fr) 1975-08-26
IT1027445B (it) 1978-11-20
FR2260013A1 (fr) 1975-08-29
IN144752B (fr) 1978-07-01
BE824965A (fr) 1975-05-15
BR7500616A (pt) 1975-11-11
US3962954A (en) 1976-06-15
CA1023243A (fr) 1977-12-27
GB1493704A (en) 1977-11-30
DE2504270A1 (de) 1975-08-07

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse