IT1204120B - Controllo di priorita' per utilizzi idraulici - Google Patents

Controllo di priorita' per utilizzi idraulici

Info

Publication number
IT1204120B
IT1204120B IT03342/86A IT334286A IT1204120B IT 1204120 B IT1204120 B IT 1204120B IT 03342/86 A IT03342/86 A IT 03342/86A IT 334286 A IT334286 A IT 334286A IT 1204120 B IT1204120 B IT 1204120B
Authority
IT
Italy
Prior art keywords
priority control
hydraulic
hydraulic uses
priority
control
Prior art date
Application number
IT03342/86A
Other languages
English (en)
Other versions
IT8603342A0 (it
Inventor
Norbert Kreth
Peter Buttner
Norbert Mucheyer
Original Assignee
Rexroth Mannesmann Gmbh
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 Rexroth Mannesmann Gmbh filed Critical Rexroth Mannesmann Gmbh
Publication of IT8603342A0 publication Critical patent/IT8603342A0/it
Application granted granted Critical
Publication of IT1204120B publication Critical patent/IT1204120B/it

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
    • 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
    • F15B2211/25—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
    • F15B2211/30505—Non-return valves, i.e. check 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
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
    • F15B2211/40561—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged upstream of the flow control means
    • 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
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41572—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and an output member
    • 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
    • F15B2211/78—Control of multiple output members
    • F15B2211/781—Control of multiple output members one or more output members having priority
    • 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
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response
    • Y10T137/2524—Flow dividers [e.g., reversely acting controls]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
IT03342/86A 1985-02-28 1986-02-26 Controllo di priorita' per utilizzi idraulici IT1204120B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853507122 DE3507122A1 (de) 1985-02-28 1985-02-28 Vorrangsteuerung fuer hydraulische verbraucher

Publications (2)

Publication Number Publication Date
IT8603342A0 IT8603342A0 (it) 1986-02-26
IT1204120B true IT1204120B (it) 1989-03-01

Family

ID=6263816

Family Applications (1)

Application Number Title Priority Date Filing Date
IT03342/86A IT1204120B (it) 1985-02-28 1986-02-26 Controllo di priorita' per utilizzi idraulici

Country Status (3)

Country Link
US (1) US4665939A (it)
DE (1) DE3507122A1 (it)
IT (1) IT1204120B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1200262B (it) * 1986-11-17 1989-01-05 M Hydraulic Spa Sa Valvola idraulica per gruppi sterzanti
DE3861769D1 (de) * 1987-02-19 1991-03-14 Zahnradfabrik Friedrichshafen Hydraulikeinrichtung mit einer regelbaren pumpe.
US4913181A (en) * 1988-03-08 1990-04-03 Sundstrand Corporation Priority valve and method for using same
DE3821415A1 (de) * 1988-06-24 1989-12-28 Rexroth Mannesmann Gmbh Hydraulik-steuerschaltung fuer ein anhaenger-bremsventil
DE3826164A1 (de) * 1988-08-01 1990-02-08 Rexroth Mannesmann Gmbh Hydraulik-steuerschaltung fuer ein kraftfahrzeug zur vorrangigen versorgung eines oder mehrerer verbraucher
US4858956A (en) * 1988-09-22 1989-08-22 Siemens-Bendix Automotive Electronics L.P. High pressure, fast response, pressure balanced, solenoid control valve
DE4314616A1 (de) * 1992-09-30 1994-03-31 Brueninghaus Hydraulik Gmbh Hydrostatische Lenkung
DE19542275B4 (de) * 1995-11-13 2006-07-27 Bosch Rexroth Aktiengesellschaft Vorzugsstromschaltung
DE19703997A1 (de) 1997-02-04 1998-08-06 Mannesmann Rexroth Ag Hydraulischer Steuerkreis für einen vorrangigen und für einen nachrangigen hydraulischen Verbraucher
DE19912299A1 (de) * 1999-03-19 2000-09-21 Bosch Gmbh Robert Hydraulische Steuereinrichtung
US7984785B2 (en) 2008-02-28 2011-07-26 Eaton Corporation Control valve assembly for electro-hydraulic steering system
US7931112B2 (en) * 2008-05-02 2011-04-26 Eaton Corporation Isolation valve for a load-reaction steering system
DE102010027964A1 (de) * 2010-04-20 2011-10-20 Deere & Company Hydraulische Anordnung
CN102588370B (zh) * 2012-02-24 2015-11-25 三一重工股份有限公司 一种动态负载敏感优先转向液压系统
CN107489670A (zh) * 2017-09-11 2017-12-19 雷沃重工股份有限公司 一种分流阀块

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932994A1 (de) * 1969-06-28 1971-02-04 Bosch Gmbh Robert Stromregelventil
US3987623A (en) * 1976-01-23 1976-10-26 Caterpillar Tractor Co. Controlled priority fluid system of a crawler type vehicle
US4070857A (en) * 1976-12-22 1978-01-31 Towmotor Corporation Hydraulic priority circuit
US4087968A (en) * 1977-04-28 1978-05-09 Caterpillar Tractor Co. Flow control valve for combining two dissimilar independent systems to a common pressure source
DE3320047A1 (de) * 1983-06-03 1984-12-06 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische ventilanordnung
DE3422164C2 (de) * 1983-06-14 1994-06-01 Linde Ag Hydraulische Anlage mit mindestens zwei Verbrauchern hydraulischer Energie

Also Published As

Publication number Publication date
DE3507122C2 (it) 1989-03-16
US4665939A (en) 1987-05-19
IT8603342A0 (it) 1986-02-26
DE3507122A1 (de) 1986-08-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960229