FR2148331B2 - - Google Patents

Info

Publication number
FR2148331B2
FR2148331B2 FR7128969A FR7128969A FR2148331B2 FR 2148331 B2 FR2148331 B2 FR 2148331B2 FR 7128969 A FR7128969 A FR 7128969A FR 7128969 A FR7128969 A FR 7128969A FR 2148331 B2 FR2148331 B2 FR 2148331B2
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
FR7128969A
Other languages
French (fr)
Other versions
FR2148331A2 (forum.php
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 FR7128969A priority Critical patent/FR2148331B2/fr
Priority to BE771844A priority patent/BE771844A/xx
Priority to GB5326871A priority patent/GB1347795A/en
Priority to IT70800/71A priority patent/IT996543B/it
Priority to US00277534A priority patent/US3796517A/en
Publication of FR2148331A2 publication Critical patent/FR2148331A2/fr
Application granted granted Critical
Publication of FR2148331B2 publication Critical patent/FR2148331B2/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
    • 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
    • F15B2211/25—Pressure 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
    • F15B2211/30—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
    • F15B2211/60—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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Power Steering Mechanism (AREA)
FR7128969A 1969-03-07 1971-08-06 Expired FR2148331B2 (forum.php)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7128969A FR2148331B2 (forum.php) 1971-08-06 1971-08-06
BE771844A BE771844A (fr) 1969-03-07 1971-08-27 Dispositif d'alimentation en fluide sous
GB5326871A GB1347795A (en) 1971-08-06 1971-11-17 Fluid feed apparatus
IT70800/71A IT996543B (it) 1971-08-06 1971-11-19 Dispositivo per l alimentazione di fluidi sotto pressione mediante un gruppo di pompe
US00277534A US3796517A (en) 1971-08-06 1972-08-03 Device for feeding pressurized fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7128969A FR2148331B2 (forum.php) 1971-08-06 1971-08-06

Publications (2)

Publication Number Publication Date
FR2148331A2 FR2148331A2 (forum.php) 1973-03-23
FR2148331B2 true FR2148331B2 (forum.php) 1974-03-29

Family

ID=9081593

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128969A Expired FR2148331B2 (forum.php) 1969-03-07 1971-08-06

Country Status (4)

Country Link
US (1) US3796517A (forum.php)
FR (1) FR2148331B2 (forum.php)
GB (1) GB1347795A (forum.php)
IT (1) IT996543B (forum.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2505780C2 (de) * 1975-02-12 1986-03-06 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln wenigstens einer verstellbaren Pumpe
GB8803974D0 (en) * 1988-02-20 1988-03-23 Fletcher Sutcliffe Wild Ltd Hydraulic pump
DE102014218884B4 (de) * 2014-09-19 2020-12-10 Voith Patent Gmbh Hydraulischer Antrieb mit Eilhub und Lasthub

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098425A (en) * 1935-03-26 1937-11-09 American Eng Co Ltd Control mechanism for pumps
US2646755A (en) * 1947-01-21 1953-07-28 Joy Mfg Co Hydraulic mechanism
US2979908A (en) * 1960-01-04 1961-04-18 Warner Swasey Co Hydraulic control systems
US3535877A (en) * 1969-05-09 1970-10-27 Gen Signal Corp Three-pump hydraulic system incorporating an unloader
US3543516A (en) * 1969-05-19 1970-12-01 Deere & Co Automatically shiftable direction control valve
DE1952034A1 (de) * 1969-10-15 1971-04-22 Linde Ag Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu
NO124443B (forum.php) * 1970-04-22 1972-04-17 Ingebret Soeyland

Also Published As

Publication number Publication date
US3796517A (en) 1974-03-12
GB1347795A (en) 1974-02-27
IT996543B (it) 1975-12-10
FR2148331A2 (forum.php) 1973-03-23

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