DE3422165A1 - Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie - Google Patents

Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie

Info

Publication number
DE3422165A1
DE3422165A1 DE19843422165 DE3422165A DE3422165A1 DE 3422165 A1 DE3422165 A1 DE 3422165A1 DE 19843422165 DE19843422165 DE 19843422165 DE 3422165 A DE3422165 A DE 3422165A DE 3422165 A1 DE3422165 A1 DE 3422165A1
Authority
DE
Germany
Prior art keywords
pressure
valve
pump
additional
control pressure
Prior art date
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.)
Granted
Application number
DE19843422165
Other languages
German (de)
English (en)
Other versions
DE3422165C2 (enrdf_load_stackoverflow
Inventor
Walter Dipl.-Ing. Kropp (Fh), 8750 Aschaffenburg
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.)
Linde GmbH
Original Assignee
Linde 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 Linde GmbH filed Critical Linde GmbH
Priority to DE19843422165 priority Critical patent/DE3422165A1/de
Publication of DE3422165A1 publication Critical patent/DE3422165A1/de
Application granted granted Critical
Publication of DE3422165C2 publication Critical patent/DE3422165C2/de
Granted 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
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/163—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control 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
    • F15B2211/30—Directional control
    • F15B2211/35—Directional control combined with flow control
    • F15B2211/351—Flow control by regulating means in feed line, i.e. meter-in control
    • 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
    • F15B2211/57—Control of a differential 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
    • F15B2211/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19843422165 1983-06-14 1984-06-14 Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie Granted DE3422165A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843422165 DE3422165A1 (de) 1983-06-14 1984-06-14 Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8317368 1983-06-14
DE19843422165 DE3422165A1 (de) 1983-06-14 1984-06-14 Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie

Publications (2)

Publication Number Publication Date
DE3422165A1 true DE3422165A1 (de) 1984-12-20
DE3422165C2 DE3422165C2 (enrdf_load_stackoverflow) 1989-08-10

Family

ID=25822127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843422165 Granted DE3422165A1 (de) 1983-06-14 1984-06-14 Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie

Country Status (1)

Country Link
DE (1) DE3422165A1 (enrdf_load_stackoverflow)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587419A1 (fr) * 1985-09-13 1987-03-20 Rexroth Mannesmann Gmbh Dispositif de commande pour au moins deux consommateurs de fluide hydraulique alimentes par au moins une pompe
EP0185985A3 (de) * 1984-12-28 1988-04-27 Karl Hehl Hydraulikeinrichtung für die Spritzgiesseinheit einer Kunststoff-Spritzgiessmaschine
FR2609119A1 (fr) * 1986-12-30 1988-07-01 Rexroth Mannesmann Gmbh Dispositif de commande d'au moins deux organes consommateurs hydrauliques a alimentation par pompe
DE3644737A1 (de) * 1985-09-13 1988-07-14 Rexroth Mannesmann Gmbh Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher
FR2627552A1 (fr) * 1988-02-18 1989-08-25 Linde Ag Arrangement de circuit hydraulique comprenant une pompe a volume de refoulement variable, applique notamment a des excavatrices de chantier ou analogues
DE3844398A1 (de) * 1988-12-30 1990-07-05 Rexroth Mannesmann Gmbh Regelpumpe
US4967557A (en) * 1988-01-27 1990-11-06 Hitachi Construction Machinery Co., Ltd. Control system for load-sensing hydraulic drive circuit
US5005358A (en) * 1988-05-12 1991-04-09 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for crawler-mounted construction vehicle
EP0368636A3 (en) * 1988-11-10 1991-05-02 Diesel Kiki Co., Ltd. Hydraulic control system
EP0427865A4 (en) * 1989-05-02 1992-03-04 Hitachi Construction Machinery Co., Ltd. Hydraulic driving device of construction equipment
US5129229A (en) * 1990-06-19 1992-07-14 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for civil-engineering and construction machine
US5134853A (en) * 1988-05-10 1992-08-04 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
US5152143A (en) * 1988-08-31 1992-10-06 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system
US5155996A (en) * 1989-01-18 1992-10-20 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machine
US5186000A (en) * 1988-05-10 1993-02-16 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
US5237908A (en) * 1990-11-17 1993-08-24 Linde Aktiengesellschaft Control system for the load-independent distribution of a pressure medium
DE4234035A1 (de) * 1992-10-09 1994-04-14 Rexroth Mannesmann Gmbh Wegeventil zur Ansteuerung eines hydraulischen Verbrauchers insbesondere eines mobilen Arbeitsgerätes
EP0657656A3 (en) * 1990-05-15 1996-05-15 Komatsu Mfg Co Ltd Hydraulic system.
CN108980126A (zh) * 2018-08-29 2018-12-11 武汉船用机械有限责任公司 一种回油节流的同步液压系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2651325A1 (de) * 1976-02-02 1977-08-04 Caterpillar Tractor Co Lastgesteuertes stroemungsmittelsystem
DE2656032A1 (de) * 1976-12-10 1978-06-15 Danfoss As Hydraulisches system mit mindestens zwei verbrauchern
DE3044144A1 (de) * 1980-11-24 1982-09-09 Linde Ag, 6200 Wiesbaden Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2651325A1 (de) * 1976-02-02 1977-08-04 Caterpillar Tractor Co Lastgesteuertes stroemungsmittelsystem
DE2656032A1 (de) * 1976-12-10 1978-06-15 Danfoss As Hydraulisches system mit mindestens zwei verbrauchern
DE3044144A1 (de) * 1980-11-24 1982-09-09 Linde Ag, 6200 Wiesbaden Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0185985A3 (de) * 1984-12-28 1988-04-27 Karl Hehl Hydraulikeinrichtung für die Spritzgiesseinheit einer Kunststoff-Spritzgiessmaschine
FR2587419A1 (fr) * 1985-09-13 1987-03-20 Rexroth Mannesmann Gmbh Dispositif de commande pour au moins deux consommateurs de fluide hydraulique alimentes par au moins une pompe
DE3532816A1 (de) * 1985-09-13 1987-03-26 Rexroth Mannesmann Gmbh Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher
US4739617A (en) * 1985-09-13 1988-04-26 Mannesmann Rexroth Gmbh Control arrangement for at least two hydraulic consumers fed by at least one pump
DE3644737A1 (de) * 1985-09-13 1988-07-14 Rexroth Mannesmann Gmbh Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher
FR2609119A1 (fr) * 1986-12-30 1988-07-01 Rexroth Mannesmann Gmbh Dispositif de commande d'au moins deux organes consommateurs hydrauliques a alimentation par pompe
US4967557A (en) * 1988-01-27 1990-11-06 Hitachi Construction Machinery Co., Ltd. Control system for load-sensing hydraulic drive circuit
FR2627552A1 (fr) * 1988-02-18 1989-08-25 Linde Ag Arrangement de circuit hydraulique comprenant une pompe a volume de refoulement variable, applique notamment a des excavatrices de chantier ou analogues
DE3805061A1 (de) * 1988-02-18 1989-08-31 Linde Ag Hydraulische schaltanordnung
US5186000A (en) * 1988-05-10 1993-02-16 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
US5134853A (en) * 1988-05-10 1992-08-04 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
EP0341650A3 (en) * 1988-05-12 1991-06-12 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for crawler-mounted construction vehicle
US5005358A (en) * 1988-05-12 1991-04-09 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for crawler-mounted construction vehicle
US5152143A (en) * 1988-08-31 1992-10-06 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system
EP0368636A3 (en) * 1988-11-10 1991-05-02 Diesel Kiki Co., Ltd. Hydraulic control system
DE3844398A1 (de) * 1988-12-30 1990-07-05 Rexroth Mannesmann Gmbh Regelpumpe
US5155996A (en) * 1989-01-18 1992-10-20 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machine
US5150574A (en) * 1989-05-02 1992-09-29 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for civil engineering and construction machine
EP0427865A4 (en) * 1989-05-02 1992-03-04 Hitachi Construction Machinery Co., Ltd. Hydraulic driving device of construction equipment
EP0657656A3 (en) * 1990-05-15 1996-05-15 Komatsu Mfg Co Ltd Hydraulic system.
US5129229A (en) * 1990-06-19 1992-07-14 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for civil-engineering and construction machine
US5237908A (en) * 1990-11-17 1993-08-24 Linde Aktiengesellschaft Control system for the load-independent distribution of a pressure medium
DE4036720C2 (de) * 1990-11-17 2001-09-13 Linde Ag Steuerschaltung für die lastunabhängige Aufteilung eines Druckmittelstromes
DE4234035A1 (de) * 1992-10-09 1994-04-14 Rexroth Mannesmann Gmbh Wegeventil zur Ansteuerung eines hydraulischen Verbrauchers insbesondere eines mobilen Arbeitsgerätes
CN108980126A (zh) * 2018-08-29 2018-12-11 武汉船用机械有限责任公司 一种回油节流的同步液压系统
CN108980126B (zh) * 2018-08-29 2020-06-26 武汉船用机械有限责任公司 一种回油节流的同步液压系统

Also Published As

Publication number Publication date
DE3422165C2 (enrdf_load_stackoverflow) 1989-08-10

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee