BR7502960A - Circuito de comando hidraulico - Google Patents

Circuito de comando hidraulico

Info

Publication number
BR7502960A
BR7502960A BR7503766A BR7503766A BR7502960A BR 7502960 A BR7502960 A BR 7502960A BR 7503766 A BR7503766 A BR 7503766A BR 7503766 A BR7503766 A BR 7503766A BR 7502960 A BR7502960 A BR 7502960A
Authority
BR
Brazil
Prior art keywords
control circuit
hydraulic control
hydraulic
circuit
control
Prior art date
Application number
BR7503766A
Other languages
English (en)
Inventor
P Fillion
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
Publication of BR7502960A publication Critical patent/BR7502960A/pt

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
    • F15B2211/20576—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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure 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
    • F15B2211/50—Pressure control
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • 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
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2564—Plural inflows
    • Y10T137/2572—One inflow supplements another
BR7503766A 1974-05-16 1975-05-14 Circuito de comando hidraulico BR7502960A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417084A FR2271429B1 (pt) 1974-05-16 1974-05-16

Publications (1)

Publication Number Publication Date
BR7502960A true BR7502960A (pt) 1976-03-23

Family

ID=9138951

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7503766A BR7502960A (pt) 1974-05-16 1975-05-14 Circuito de comando hidraulico

Country Status (10)

Country Link
US (1) US3968811A (pt)
JP (1) JPS50155879A (pt)
AR (1) AR207041A1 (pt)
BE (1) BE829034A (pt)
BR (1) BR7502960A (pt)
DE (1) DE2521533C2 (pt)
ES (1) ES437702A1 (pt)
FR (1) FR2271429B1 (pt)
GB (1) GB1494844A (pt)
IT (1) IT1038133B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3132342A1 (de) * 1981-08-17 1983-03-03 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen "hydrostatische hilfskraft-lenkeinrichtung"
US5228289A (en) * 1983-06-29 1993-07-20 Peter Norton Plural hydraulic pump system with unloading valve
AU3154684A (en) * 1983-06-29 1985-01-25 Norton, P. Plural hydraulic pump system with automatic displacement control
DE3419689C2 (de) * 1984-05-25 1986-11-27 Mannesmann Rexroth GmbH, 8770 Lohr Vorrichtung zur Druckmittelversorgung eines Hydrozylinders
DE3443692A1 (de) * 1984-11-30 1986-06-12 Wessel-Hydraulik Günther Wessel, 2940 Wilhelmshaven In zwei richtungen wirkendes bremsventil mit einem ventilschieber
US4832579A (en) * 1985-01-22 1989-05-23 Peter Norton Plural hydraulic pump system with automatic displacement control and pressure relief valve
JPH01150202U (pt) * 1988-04-08 1989-10-17
DE4129508C2 (de) * 1991-09-05 1994-12-15 Rexroth Mannesmann Gmbh Ventilanordnung zur Versorgung eines Verbrauchers aus zwei Druckmittelquellen
DE102008059298A1 (de) * 2007-12-19 2009-06-25 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hydrauliksystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1982711A (en) * 1931-10-19 1934-12-04 Harry F Vickers Combined rapid traverse and slow traverse hydraulic system
US3587237A (en) * 1969-05-23 1971-06-28 Automatic Radio Mfg Co Constant speed drive
US3868821A (en) * 1974-03-20 1975-03-04 Tyrone Hydraulics Automatic pump control system

Also Published As

Publication number Publication date
AR207041A1 (es) 1976-09-09
IT1038133B (it) 1979-11-20
JPS50155879A (pt) 1975-12-16
FR2271429B1 (pt) 1978-03-31
BE829034A (fr) 1975-09-01
DE2521533A1 (de) 1975-11-27
FR2271429A1 (pt) 1975-12-12
GB1494844A (en) 1977-12-14
DE2521533C2 (de) 1986-09-18
US3968811A (en) 1976-07-13
ES437702A1 (es) 1977-01-16

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