EP2672125A3 - Système hydraulique destiné à l'alimentation en pression sécurisée d'au moins un consommateur - Google Patents

Système hydraulique destiné à l'alimentation en pression sécurisée d'au moins un consommateur Download PDF

Info

Publication number
EP2672125A3
EP2672125A3 EP13001739.5A EP13001739A EP2672125A3 EP 2672125 A3 EP2672125 A3 EP 2672125A3 EP 13001739 A EP13001739 A EP 13001739A EP 2672125 A3 EP2672125 A3 EP 2672125A3
Authority
EP
European Patent Office
Prior art keywords
consumer
hydraulic system
pressure supply
reliable pressure
fixed displacement
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
EP13001739.5A
Other languages
German (de)
English (en)
Other versions
EP2672125B1 (fr
EP2672125A2 (fr
Inventor
Josef Scholl
Heinz-Peter Huth
Marc Anton
Markus Mohrbacher
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.)
Hydac Systems and Services GmbH
Original Assignee
Hydac System 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 Hydac System GmbH filed Critical Hydac System GmbH
Publication of EP2672125A2 publication Critical patent/EP2672125A2/fr
Publication of EP2672125A3 publication Critical patent/EP2672125A3/fr
Application granted granted Critical
Publication of EP2672125B1 publication Critical patent/EP2672125B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • 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
    • 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
    • F15B2211/20584—Combinations of pumps with high and low 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
    • F15B2211/265—Control of multiple pressure sources
    • F15B2211/2654—Control of multiple pressure sources one or more pressure sources having priority
    • 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
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
    • F15B2211/5152—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve being connected to multiple pressure sources
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
EP13001739.5A 2012-06-08 2013-04-05 Système hydraulique destiné à l'alimentation en pression sécurisée d'au moins un consommateur Active EP2672125B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012011400A DE102012011400A1 (de) 2012-06-08 2012-06-08 Hydrauliksystem zur sicheren Druckversorgung mindestens eines Verbrauchers

Publications (3)

Publication Number Publication Date
EP2672125A2 EP2672125A2 (fr) 2013-12-11
EP2672125A3 true EP2672125A3 (fr) 2017-12-27
EP2672125B1 EP2672125B1 (fr) 2021-09-01

Family

ID=48087349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001739.5A Active EP2672125B1 (fr) 2012-06-08 2013-04-05 Système hydraulique destiné à l'alimentation en pression sécurisée d'au moins un consommateur

Country Status (2)

Country Link
EP (1) EP2672125B1 (fr)
DE (1) DE102012011400A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015109508A1 (de) 2015-06-15 2016-12-15 Robert Bosch Automotive Steering Gmbh Hydraulische Pumpenanordnung, insbesondere für ein Lenksystem eines Kraftfahrzeugs
DE102016105159B4 (de) * 2016-03-21 2025-10-09 Claas Industrietechnik Gmbh Hydrauliksystem eines land- oder bauwirtschaftlich nutzbaren Fahrzeugs
CN106836337B (zh) * 2017-03-30 2022-09-20 徐州徐工筑路机械有限公司 一种平地机变量液压系统
DE102017004634A1 (de) * 2017-05-15 2018-11-15 Hydac Systems & Services Gmbh Steuervorrichtung zum Versorgen mindestens eines hydraulischen Verbrauchers
CN112922914A (zh) * 2021-01-12 2021-06-08 盾构及掘进技术国家重点实验室 一种盾构掘进机管片拼装高效精密同步提升液压控制系统
CN118686817B (zh) * 2024-07-04 2025-12-26 潍柴动力股份有限公司 一种液压控制阀系统及装载机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129508A1 (de) * 1991-09-05 1993-03-11 Rexroth Mannesmann Gmbh Ventilanordnung zur versorgung eines verbrauchers aus zwei druckmittelquellen
US5918558A (en) * 1997-12-01 1999-07-06 Case Corporation Dual-pump, flow-isolated hydraulic circuit for an agricultural tractor
EP0989048A1 (fr) * 1998-09-25 2000-03-29 Steyr-Daimler-Puch Aktiengesellschaft Système hydraulique pour les tracteurs et les machines de travail automoteurs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608469A1 (de) * 1986-03-14 1987-10-01 Bosch Gmbh Robert Hydraulikanlage
DE10315496A1 (de) * 2003-04-04 2004-10-21 Linde Ag Hydrauliksystem für ein batterie-elektrisch betriebenes Flurförderzeug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129508A1 (de) * 1991-09-05 1993-03-11 Rexroth Mannesmann Gmbh Ventilanordnung zur versorgung eines verbrauchers aus zwei druckmittelquellen
US5918558A (en) * 1997-12-01 1999-07-06 Case Corporation Dual-pump, flow-isolated hydraulic circuit for an agricultural tractor
EP0989048A1 (fr) * 1998-09-25 2000-03-29 Steyr-Daimler-Puch Aktiengesellschaft Système hydraulique pour les tracteurs et les machines de travail automoteurs

Also Published As

Publication number Publication date
DE102012011400A1 (de) 2013-12-12
EP2672125B1 (fr) 2021-09-01
EP2672125A2 (fr) 2013-12-11

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