FR2203438A5 - - Google Patents

Info

Publication number
FR2203438A5
FR2203438A5 FR7236742A FR7236742A FR2203438A5 FR 2203438 A5 FR2203438 A5 FR 2203438A5 FR 7236742 A FR7236742 A FR 7236742A FR 7236742 A FR7236742 A FR 7236742A FR 2203438 A5 FR2203438 A5 FR 2203438A5
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
FR7236742A
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 FR7236742A priority Critical patent/FR2203438A5/fr
Priority to US396768A priority patent/US3859790A/en
Priority to GB4402373A priority patent/GB1415040A/en
Priority to BE2053076A priority patent/BE805125A/xx
Priority to ES419335A priority patent/ES419335A1/es
Priority to IT7005573A priority patent/IT996838B/it
Priority to JP48115988A priority patent/JPS49133901A/ja
Priority to DE19732352170 priority patent/DE2352170A1/de
Application granted granted Critical
Publication of FR2203438A5 publication Critical patent/FR2203438A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or 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
    • F15B2211/2053—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
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/65—Methods of control of the load sensing 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/67—Methods for controlling pilot 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
    • F15B2211/71—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/468—Automatic regulation in accordance with output requirements for achieving a target input torque

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
FR7236742A 1972-10-17 1972-10-17 Expired FR2203438A5 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7236742A FR2203438A5 (sv) 1972-10-17 1972-10-17
US396768A US3859790A (en) 1972-10-17 1973-09-13 Device for supplying fluid under pressure to at least two utilisation circuits
GB4402373A GB1415040A (en) 1972-10-17 1973-09-19 Supply of hydraulic fluid to utilization circuits
BE2053076A BE805125A (fr) 1972-10-17 1973-09-21 Dispositif d'alimentation en fluide par au moins une pompe a debit constant et une pompe a debit variable entrainees par un arbre moteur unique
ES419335A ES419335A1 (es) 1972-10-17 1973-10-04 Perfeccionamientos en dispositivos de alimentacion de flui-do bajo presion de al menos dos circuitos de utilizacion.
IT7005573A IT996838B (it) 1972-10-17 1973-10-16 Dispositivo di alimentazione di fluido comfrendente una pompa a portata costante ed una pompa a portata variabile
JP48115988A JPS49133901A (sv) 1972-10-17 1973-10-17
DE19732352170 DE2352170A1 (de) 1972-10-17 1973-10-17 Einrichtung zur druckmittel-versorgung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7236742A FR2203438A5 (sv) 1972-10-17 1972-10-17

Publications (1)

Publication Number Publication Date
FR2203438A5 true FR2203438A5 (sv) 1974-05-10

Family

ID=9105772

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7236742A Expired FR2203438A5 (sv) 1972-10-17 1972-10-17

Country Status (7)

Country Link
JP (1) JPS49133901A (sv)
BE (1) BE805125A (sv)
DE (1) DE2352170A1 (sv)
ES (1) ES419335A1 (sv)
FR (1) FR2203438A5 (sv)
GB (1) GB1415040A (sv)
IT (1) IT996838B (sv)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308807A1 (fr) * 1975-04-23 1976-11-19 Int Harvester Co Systeme de pompage double
FR2339759A1 (fr) * 1976-01-30 1977-08-26 Linde Ag Dispositif de commande pour un ensemble de pompes
FR2506803A1 (fr) * 1981-05-29 1982-12-03 Komatsu Mfg Co Ltd Circuit hydraulique pour pelles mecaniques du type a structure pivotante
WO1997025532A1 (de) * 1996-01-10 1997-07-17 Aeroquip-Vickers Internatonal Gmbh Verlustarmer antrieb für mehrere hydraulische aktuatoren
WO2023198969A1 (fr) 2022-04-14 2023-10-19 Psa Automobiles Sa Doublure de capot pour véhicule automobile

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922073B2 (ja) * 1975-03-26 1984-05-24 日立建機 （株） 油圧装置における油圧ポンプの制御装置
JPS5311302A (en) * 1976-07-19 1978-02-01 Ebara Corp Control circuit of plural hydraulic pump and input controller for control circuit
JPS53145099U (sv) * 1977-04-22 1978-11-15
DD133698A1 (de) * 1977-11-28 1979-01-17 Stefan Hein Grenzlastregelung fuer hydrostatische antriebe
CN107989840B (zh) * 2017-11-23 2020-08-04 台州市路桥区嘉伟鞋帽厂 一种阻尼控制阀

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308807A1 (fr) * 1975-04-23 1976-11-19 Int Harvester Co Systeme de pompage double
FR2339759A1 (fr) * 1976-01-30 1977-08-26 Linde Ag Dispositif de commande pour un ensemble de pompes
FR2506803A1 (fr) * 1981-05-29 1982-12-03 Komatsu Mfg Co Ltd Circuit hydraulique pour pelles mecaniques du type a structure pivotante
WO1997025532A1 (de) * 1996-01-10 1997-07-17 Aeroquip-Vickers Internatonal Gmbh Verlustarmer antrieb für mehrere hydraulische aktuatoren
US6205780B1 (en) 1996-01-10 2001-03-27 Aeroquip-Vickers International Gmbh Low-loss drive system for a plurality of hydraulic actuators
WO2023198969A1 (fr) 2022-04-14 2023-10-19 Psa Automobiles Sa Doublure de capot pour véhicule automobile

Also Published As

Publication number Publication date
DE2352170A1 (de) 1974-04-18
IT996838B (it) 1975-12-10
ES419335A1 (es) 1976-03-01
BE805125A (fr) 1974-01-16
JPS49133901A (sv) 1974-12-23
GB1415040A (en) 1975-11-26

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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