EP2601416A2 - Système de fluide sous pression, en particulier système hydraulique - Google Patents

Système de fluide sous pression, en particulier système hydraulique

Info

Publication number
EP2601416A2
EP2601416A2 EP12728408.1A EP12728408A EP2601416A2 EP 2601416 A2 EP2601416 A2 EP 2601416A2 EP 12728408 A EP12728408 A EP 12728408A EP 2601416 A2 EP2601416 A2 EP 2601416A2
Authority
EP
European Patent Office
Prior art keywords
pressure
fluid
pist
fluid pump
pump
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
EP12728408.1A
Other languages
German (de)
English (en)
Other versions
EP2601416B1 (fr
Inventor
Winfried Ehrhardt
Georg WESTERHAGEN
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.)
Ludwig Ehrhardt GmbH
Original Assignee
Ludwig Ehrhardt 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
Priority claimed from DE102011105584.7A external-priority patent/DE102011105584B4/de
Priority claimed from DE102011112701.5A external-priority patent/DE102011112701B4/de
Application filed by Ludwig Ehrhardt GmbH filed Critical Ludwig Ehrhardt GmbH
Publication of EP2601416A2 publication Critical patent/EP2601416A2/fr
Application granted granted Critical
Publication of EP2601416B1 publication Critical patent/EP2601416B1/fr
Not-in-force 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated 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
    • F15B2211/20—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
    • F15B2211/25—Pressure control functions
    • F15B2211/251—High pressure 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/26—Power control functions

Definitions

  • Device-dependent constant which reflects the inertia of the fluid pump and the drive motor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

L'invention concerne un système de fluide sous pression, en particulier un système hydraulique, comportant une pompe à fluide (1) pour le refoulement d'un fluide d'entraînement à un débit déterminé et à une pression déterminée (PIST) du fluide, une unité de commande (8) qui met la pompe à fluide (1) en marche ou à l'arrêt pour ajuster une valeur de consigne prescrite (PSOLL) de la pression (PIST) du fluide. La pompe à fluide (1) continue de fonctionner par inertie lors de sa mise à l'arrêt, de sorte que la pression du fluide pendant le fonctionnement de la pompe à fluide (1) par inertie continue d'augmenter tandis que la pompe à fluide (1) est déjà à l'arrêt. Selon l'invention, lorsque la pression (PIST) du fluide augmente pour atteindre la valeur de consigne prescrite, l'unité de commande (8) arrête la pompe à fluide (1) avant que la pression (PIST) du fluide n'ait atteint la valeur de consigne prescrite (PSOLL). L'invention concerne en outre un procédé de fonctionnement correspondant.
EP12728408.1A 2011-06-27 2012-06-20 Système de fluide sous pression, en particulier système hydraulique Not-in-force EP2601416B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011105584.7A DE102011105584B4 (de) 2011-06-27 2011-06-27 Druckmittelsystem, insbesondere Hydrauliksystem
DE102011112701.5A DE102011112701B4 (de) 2011-09-05 2011-09-05 Druckmittelsystem, insbesondere Hydrauliksystem
PCT/EP2012/002598 WO2013000549A2 (fr) 2011-06-27 2012-06-20 Système de fluide sous pression, en particulier système hydraulique

Publications (2)

Publication Number Publication Date
EP2601416A2 true EP2601416A2 (fr) 2013-06-12
EP2601416B1 EP2601416B1 (fr) 2015-04-15

Family

ID=46320885

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12728408.1A Not-in-force EP2601416B1 (fr) 2011-06-27 2012-06-20 Système de fluide sous pression, en particulier système hydraulique

Country Status (4)

Country Link
US (1) US9279434B2 (fr)
EP (1) EP2601416B1 (fr)
ES (1) ES2540221T3 (fr)
WO (1) WO2013000549A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101816432B1 (ko) * 2016-08-26 2018-01-08 현대자동차주식회사 에어컨 컴프레서의 제어 방법
DE102022116812A1 (de) 2022-07-06 2024-01-11 Voith Patent Gmbh Druckhaltefunktion für Maschinenpressen

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3136177A1 (de) 1981-09-12 1983-03-31 A. Römheld GmbH & Co KG, 6312 Laubach "spann-pumpenaggregat"
US4842244A (en) * 1987-11-10 1989-06-27 Niagara Mohawk Power Corporation Valve control system for power generating plants
JP2582003B2 (ja) * 1991-05-22 1997-02-19 本田技研工業株式会社 圧力機器用圧力源
US5829335A (en) 1993-05-11 1998-11-03 Mannesmann Rexroth Gmbh Control for hydraulic drive or actuator
US5669055A (en) 1996-03-29 1997-09-16 Xerox Corporation Dual brush cleaner retraction mechanism and variable inertia drift controller for retractable cleaner
AT409949B (de) * 1997-03-07 2002-12-27 Weber Gisela Steuervorrichtung für hydraulische arbeitszylinder
DE19713576A1 (de) 1997-04-02 1998-10-08 Bosch Gmbh Robert Verfahren und Vorrichtung zum Betrieb eines Lenksystems für ein Kraftfahrzeug
DE19959706B4 (de) 1999-12-10 2010-11-18 Robert Bosch Gmbh Verfahren und Vorrichtung zur Regelung des Bremsmomentes eines Bremskraftreglers an wenigstens einem Rad eines Kraftfahrzeugs
US20040098984A1 (en) * 2002-11-26 2004-05-27 Duell Charles A. Combination hydraulic system and electronically controlled vehicle and method of operating same
DE102005002443B4 (de) * 2005-01-19 2006-12-21 Robert Bosch Gmbh Verfahren zum Ansteuern eines hydraulischen Stellers und Steuergerät
DE102005060321A1 (de) * 2005-12-16 2007-06-21 Robert Bosch Gmbh Verfahren und Vorrichtung zur reduzierbaren Erzeugung eines vorgebbaren Enddrucks in einer Bremsanlage
JP4629747B2 (ja) * 2008-02-26 2011-02-09 日精樹脂工業株式会社 型締装置の制御方法
NO328603B1 (no) * 2008-05-14 2010-03-29 Vetco Gray Scandinavia As Undervanns hybrid ventilaktuatorsystem og fremgangsmate.
DE202008011507U1 (de) 2008-08-29 2010-01-07 Gea Westfaliasurge Gmbh Sicherheitsschaltvorrichtung für ein Melkkarussell

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013000549A2 *

Also Published As

Publication number Publication date
EP2601416B1 (fr) 2015-04-15
ES2540221T3 (es) 2015-07-09
WO2013000549A3 (fr) 2013-02-28
WO2013000549A2 (fr) 2013-01-03
US9279434B2 (en) 2016-03-08
US20140130484A1 (en) 2014-05-15

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