FR2259255B1 - - Google Patents

Info

Publication number
FR2259255B1
FR2259255B1 FR7403096A FR7403096A FR2259255B1 FR 2259255 B1 FR2259255 B1 FR 2259255B1 FR 7403096 A FR7403096 A FR 7403096A FR 7403096 A FR7403096 A FR 7403096A FR 2259255 B1 FR2259255 B1 FR 2259255B1
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
FR7403096A
Other languages
French (fr)
Other versions
FR2259255A1 (xx
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 FR7403096A priority Critical patent/FR2259255B1/fr
Priority to AR257444A priority patent/AR204734A1/es
Priority to US544200*A priority patent/US3924971A/en
Priority to BE2054110A priority patent/BE824844A/xx
Priority to CA218,820A priority patent/CA1009538A/en
Priority to ES434262A priority patent/ES434262A1/es
Priority to BR555/75A priority patent/BR7500555A/pt
Priority to GB3951/75A priority patent/GB1489438A/en
Priority to IT67223/75A priority patent/IT1027415B/it
Priority to JP50011987A priority patent/JPS598683B2/ja
Priority to DE19752503801 priority patent/DE2503801A1/de
Publication of FR2259255A1 publication Critical patent/FR2259255A1/fr
Application granted granted Critical
Publication of FR2259255B1 publication Critical patent/FR2259255B1/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
    • F04B49/10—Other safety measures
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
    • F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple 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
    • F15B2211/40—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
    • F15B2211/4053—Flow control characterised by the type of flow control means or valve with flow dividers using 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow control characterised by the type of actuation actuated by fluid 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
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow 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
    • F15B2211/60—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
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using 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
    • F15B2211/70—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Details Of Reciprocating Pumps (AREA)
FR7403096A 1974-01-30 1974-01-30 Expired FR2259255B1 (xx)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR7403096A FR2259255B1 (xx) 1974-01-30 1974-01-30
AR257444A AR204734A1 (es) 1974-01-30 1975-01-01 Dispositivo de alimentacion de dos circuitos de utilizacion con fluido bajo presion
US544200*A US3924971A (en) 1974-01-30 1975-01-23 Device for regulating the supply of pressurized fluid of two circuit systems having at least two pumps of constant cubic capacity
CA218,820A CA1009538A (en) 1974-01-30 1975-01-28 Device for regulating the supply of pressurised fluid of two circuit systems having at least two pumps of constant cubic capacity
BE2054110A BE824844A (fr) 1974-01-30 1975-01-28 Dispositif de regulation de l'alimentation en fluide sous pression de deux circuits d'utilisation avec pompes cylindree constante
BR555/75A BR7500555A (pt) 1974-01-30 1975-01-29 Dispositivo de alimentacao de dois circuitos de utilizacao em fluido sob pressao
ES434262A ES434262A1 (es) 1974-01-30 1975-01-29 Dispositivo de alimentacion de dos circuitos de utilizacioncon fluido bajo presion.
GB3951/75A GB1489438A (en) 1974-01-30 1975-01-29 Device for feeding two circuit systems with pressurised fluid
IT67223/75A IT1027415B (it) 1974-01-30 1975-01-29 Dispositivo regolatore dell alimentazione di un fluido sotto pressione a due circuiti di utilizzazione a partire da piu pompe a cilindrata costante
JP50011987A JPS598683B2 (ja) 1974-01-30 1975-01-30 加圧流体供給装置
DE19752503801 DE2503801A1 (de) 1974-01-30 1975-01-30 Einrichtung zur speisung zweier verbrauchskreise mit unter druck stehendem stroemungsmittel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7403096A FR2259255B1 (xx) 1974-01-30 1974-01-30

Publications (2)

Publication Number Publication Date
FR2259255A1 FR2259255A1 (xx) 1975-08-22
FR2259255B1 true FR2259255B1 (xx) 1976-11-26

Family

ID=9134225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7403096A Expired FR2259255B1 (xx) 1974-01-30 1974-01-30

Country Status (11)

Country Link
US (1) US3924971A (xx)
JP (1) JPS598683B2 (xx)
AR (1) AR204734A1 (xx)
BE (1) BE824844A (xx)
BR (1) BR7500555A (xx)
CA (1) CA1009538A (xx)
DE (1) DE2503801A1 (xx)
ES (1) ES434262A1 (xx)
FR (1) FR2259255B1 (xx)
GB (1) GB1489438A (xx)
IT (1) IT1027415B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868821A (en) * 1974-03-20 1975-03-04 Tyrone Hydraulics Automatic pump control system
LU76197A1 (xx) 1976-11-12 1978-07-10
JPS5569782A (en) * 1978-11-20 1980-05-26 Japan Steel Works Ltd:The Output-power controller for pumps
US5228289A (en) * 1983-06-29 1993-07-20 Peter Norton Plural hydraulic pump system with unloading valve
US4787204A (en) * 1987-09-28 1988-11-29 J. I. Case Company Common relief valve
DE4317397A1 (de) * 1993-05-25 1994-12-01 Linde Ag Flurförderzeug mit einem Lastaufnahmemittel und zwei parallel geschalteten Hubzylindern
JPH09126157A (ja) * 1995-08-29 1997-05-13 Aisin Seiki Co Ltd タンデムポンプ装置
AT516181B1 (de) * 2014-10-08 2016-03-15 Weber Hydraulik Gmbh Hydraulikaggregat
JP6434462B2 (ja) 2016-08-30 2018-12-05 ファナック株式会社 溶接の状態を判定するスポット溶接装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE369948B (xx) * 1969-12-03 1974-09-23 I Soeyland
DE2003740C3 (de) * 1970-01-28 1981-05-07 Robert Bosch Gmbh, 7000 Stuttgart Hydraulikanlage mit wenigstens zwei Pumpen
NO124443B (xx) * 1970-04-22 1972-04-17 Ingebret Soeyland

Also Published As

Publication number Publication date
DE2503801A1 (de) 1975-07-31
IT1027415B (it) 1978-11-20
GB1489438A (en) 1977-10-19
BR7500555A (pt) 1975-11-11
ES434262A1 (es) 1976-12-16
FR2259255A1 (xx) 1975-08-22
CA1009538A (en) 1977-05-03
JPS598683B2 (ja) 1984-02-27
JPS50107386A (xx) 1975-08-23
US3924971A (en) 1975-12-09
BE824844A (fr) 1975-05-15
AR204734A1 (es) 1976-02-27

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Legal Events

Date Code Title Description
ST Notification of lapse