AR204734A1 - POWER SUPPLY DEVICE FOR TWO USING CIRCUITS WITH FLUID UNDER PRESSURE - Google Patents

POWER SUPPLY DEVICE FOR TWO USING CIRCUITS WITH FLUID UNDER PRESSURE

Info

Publication number
AR204734A1
AR204734A1 AR257444A AR25744475A AR204734A1 AR 204734 A1 AR204734 A1 AR 204734A1 AR 257444 A AR257444 A AR 257444A AR 25744475 A AR25744475 A AR 25744475A AR 204734 A1 AR204734 A1 AR 204734A1
Authority
AR
Argentina
Prior art keywords
circuits
power supply
supply device
under pressure
fluid under
Prior art date
Application number
AR257444A
Other languages
Spanish (es)
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
Application granted granted Critical
Publication of AR204734A1 publication Critical patent/AR204734A1/en

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
AR257444A 1974-01-30 1975-01-01 POWER SUPPLY DEVICE FOR TWO USING CIRCUITS WITH FLUID UNDER PRESSURE AR204734A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AR204734A1 true AR204734A1 (en) 1976-02-27

Family

ID=9134225

Family Applications (1)

Application Number Title Priority Date Filing Date
AR257444A AR204734A1 (en) 1974-01-30 1975-01-01 POWER SUPPLY DEVICE FOR TWO USING CIRCUITS WITH FLUID UNDER PRESSURE

Country Status (11)

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

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 (en) 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 (en) * 1993-05-25 1994-12-01 Linde Ag Industrial truck with a load handler and two lifting cylinders connected in parallel
JPH09126157A (en) * 1995-08-29 1997-05-13 Aisin Seiki Co Ltd Tandem pump device
AT516181B1 (en) * 2014-10-08 2016-03-15 Weber Hydraulik Gmbh hydraulic power unit
JP6434462B2 (en) 2016-08-30 2018-12-05 ファナック株式会社 Spot welding equipment for judging welding status

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE369948B (en) * 1969-12-03 1974-09-23 I Soeyland
DE2003740C3 (en) * 1970-01-28 1981-05-07 Robert Bosch Gmbh, 7000 Stuttgart Hydraulic system with at least two pumps
NO124443B (en) * 1970-04-22 1972-04-17 Ingebret Soeyland

Also Published As

Publication number Publication date
DE2503801A1 (en) 1975-07-31
JPS598683B2 (en) 1984-02-27
BE824844A (en) 1975-05-15
CA1009538A (en) 1977-05-03
BR7500555A (en) 1975-11-11
ES434262A1 (en) 1976-12-16
IT1027415B (en) 1978-11-20
US3924971A (en) 1975-12-09
FR2259255A1 (en) 1975-08-22
GB1489438A (en) 1977-10-19
FR2259255B1 (en) 1976-11-26
JPS50107386A (en) 1975-08-23

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