FR2232226A5 - - Google Patents

Info

Publication number
FR2232226A5
FR2232226A5 FR7319331A FR7319331A FR2232226A5 FR 2232226 A5 FR2232226 A5 FR 2232226A5 FR 7319331 A FR7319331 A FR 7319331A FR 7319331 A FR7319331 A FR 7319331A FR 2232226 A5 FR2232226 A5 FR 2232226A5
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
FR7319331A
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.)
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 FR7319331A priority Critical patent/FR2232226A5/fr
Priority to GB1755974A priority patent/GB1427105A/en
Priority to DE2419529A priority patent/DE2419529A1/en
Priority to US464840A priority patent/US3897174A/en
Priority to IT68392/74A priority patent/IT1011824B/en
Priority to JP49056764A priority patent/JPS5021188A/ja
Priority to BE144772A priority patent/BE815563A/en
Priority to ES426713A priority patent/ES426713A1/en
Application granted granted Critical
Publication of FR2232226A5 publication Critical patent/FR2232226A5/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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/26—Power control functions
    • 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
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
FR7319331A 1973-05-28 1973-05-28 Expired FR2232226A5 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7319331A FR2232226A5 (en) 1973-05-28 1973-05-28
GB1755974A GB1427105A (en) 1973-05-28 1974-04-22 Feeding fluid under pressure
DE2419529A DE2419529A1 (en) 1973-05-28 1974-04-23 DEVICE FOR THE PRESSURE MEDIUM SUPPLY WITH A VALVE THAT DRAWS THE POWER OF A PUMP WITH VARIABLE FLOW RATE FROM THE DRIVE POWER OF A PUMP WITH A CONSTANT FLOW RATE
US464840A US3897174A (en) 1973-05-28 1974-04-29 Devices for feeding fluid under pressure to at least two load circuits
IT68392/74A IT1011824B (en) 1973-05-28 1974-05-03 DEVICE FOR SUPPLYING FLUID UNDER PRESSURE INCLUDING A VALVE FOR SUBTRACTING THE DRIVING POWER OF A PUMP AT CONSTANT FLOW FROM THE DRIVING POWER OF A VARIABLE FLOW PUMP
JP49056764A JPS5021188A (en) 1973-05-28 1974-05-22
BE144772A BE815563A (en) 1973-05-28 1974-05-27 PRESSURE FLUID SUPPLY DEVICE FOR AT LEAST TWO OPERATING CIRCUITS
ES426713A ES426713A1 (en) 1973-05-28 1974-05-28 Devices for feeding fluid under pressure to at least two load circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7319331A FR2232226A5 (en) 1973-05-28 1973-05-28

Publications (1)

Publication Number Publication Date
FR2232226A5 true FR2232226A5 (en) 1974-12-27

Family

ID=9120096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7319331A Expired FR2232226A5 (en) 1973-05-28 1973-05-28

Country Status (8)

Country Link
US (1) US3897174A (en)
JP (1) JPS5021188A (en)
BE (1) BE815563A (en)
DE (1) DE2419529A1 (en)
ES (1) ES426713A1 (en)
FR (1) FR2232226A5 (en)
GB (1) GB1427105A (en)
IT (1) IT1011824B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308807A1 (en) * 1975-04-23 1976-11-19 Int Harvester Co DOUBLE PUMPING SYSTEM
FR2339759A1 (en) * 1976-01-30 1977-08-26 Linde Ag CONTROL DEVICE FOR A PUMP SET

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2271416B1 (en) * 1974-05-15 1983-08-19 Poclain Sa
US4212596A (en) * 1978-02-23 1980-07-15 Caterpillar Tractor Co. Pressurized fluid supply system
DE3469777D1 (en) * 1983-05-30 1988-04-14 Bbc Brown Boveri & Cie Electro-hydraulic actuator for turbine valves
DE3323278C2 (en) * 1983-06-28 1986-05-22 Hydromatik GmbH, 7915 Elchingen Control device for several drive units consisting of hydrostatic gears
US4613286A (en) * 1984-12-31 1986-09-23 Kabushiki Kaisha Komatsu Seisakusho Constant torque control system for a variable displacement pump or pumps
US20070217856A1 (en) * 2006-03-20 2007-09-20 Kott John M Portable paint system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316926A (en) * 1941-03-11 1943-04-20 Vickers Inc Power transmission
US3355994A (en) * 1966-01-13 1967-12-05 New York Air Brake Co Hydraulic system
US3561327A (en) * 1969-06-09 1971-02-09 Eaton Yale & Towne Flow divider and flow-dividing system
US3575000A (en) * 1969-10-21 1971-04-13 Caterpillar Tractor Co High pressure implement hydraulic circuit
DE2038968C3 (en) * 1970-08-05 1978-09-07 Ludwig 7917 Voehringen Wagenseil Capacity control device for two or more hydraulic pumps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308807A1 (en) * 1975-04-23 1976-11-19 Int Harvester Co DOUBLE PUMPING SYSTEM
FR2339759A1 (en) * 1976-01-30 1977-08-26 Linde Ag CONTROL DEVICE FOR A PUMP SET

Also Published As

Publication number Publication date
ES426713A1 (en) 1976-08-01
US3897174A (en) 1975-07-29
GB1427105A (en) 1976-03-10
BE815563A (en) 1974-09-16
IT1011824B (en) 1977-02-10
DE2419529A1 (en) 1974-12-19
JPS5021188A (en) 1975-03-06

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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