EP1413773A3 - Dispositif de contrôle proportionel électro-hydraulique à commande informatisée - Google Patents

Dispositif de contrôle proportionel électro-hydraulique à commande informatisée Download PDF

Info

Publication number
EP1413773A3
EP1413773A3 EP03017275A EP03017275A EP1413773A3 EP 1413773 A3 EP1413773 A3 EP 1413773A3 EP 03017275 A EP03017275 A EP 03017275A EP 03017275 A EP03017275 A EP 03017275A EP 1413773 A3 EP1413773 A3 EP 1413773A3
Authority
EP
European Patent Office
Prior art keywords
valve
inlet
proportional
control
outlet
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
EP03017275A
Other languages
German (de)
English (en)
Other versions
EP1413773B1 (fr
EP1413773A2 (fr
Inventor
Martin Dipl.-Ing. Univ. Heusser
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.)
Hawe Hydraulik GmbH and Co KG
Original Assignee
Hawe Hydraulik GmbH and Co KG
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 Hawe Hydraulik GmbH and Co KG filed Critical Hawe Hydraulik GmbH and Co KG
Publication of EP1413773A2 publication Critical patent/EP1413773A2/fr
Publication of EP1413773A3 publication Critical patent/EP1413773A3/fr
Application granted granted Critical
Publication of EP1413773B1 publication Critical patent/EP1413773B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
    • 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
    • F15B11/003—Systems with load-holding 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
EP20030017275 2002-10-15 2003-07-30 Dispositif de contrôle proportionnel électro-hydraulique à commande informatisée Expired - Fee Related EP1413773B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20215838U DE20215838U1 (de) 2002-10-15 2002-10-15 Computerisierte elektrohydraulische Proportional-Steuervorrichtung
DE20215838U 2002-10-15

Publications (3)

Publication Number Publication Date
EP1413773A2 EP1413773A2 (fr) 2004-04-28
EP1413773A3 true EP1413773A3 (fr) 2004-05-12
EP1413773B1 EP1413773B1 (fr) 2006-03-08

Family

ID=31969835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030017275 Expired - Fee Related EP1413773B1 (fr) 2002-10-15 2003-07-30 Dispositif de contrôle proportionnel électro-hydraulique à commande informatisée

Country Status (2)

Country Link
EP (1) EP1413773B1 (fr)
DE (2) DE20215838U1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20317749U1 (de) * 2003-11-18 2005-03-24 Hawe Hydraulik Gmbh & Co Kg Elektrohydraulische Regenerativ-Steuervorrichtung
DE102005010638A1 (de) * 2005-03-08 2006-09-28 Bosch Rexroth Aktiengesellschaft Hydraulische Betätigungsvorrichtung, insbesondere für ein Cabriolet
DE102005010637B4 (de) * 2005-03-08 2007-02-01 Bosch Rexroth Aktiengesellschaft Verfahren zum Schutz vor Einklemmen und Einklemmschutzvorrichtung
US7444809B2 (en) 2006-01-30 2008-11-04 Caterpillar Inc. Hydraulic regeneration system
DE102006012008A1 (de) * 2006-03-14 2007-09-20 Robert Bosch Gmbh Steuervorrichtung zur Rotorblattverstellung
DE102006029216A1 (de) * 2006-06-26 2007-12-27 Robert Bosch Gmbh Verfahren zum Betätigen eines elektrohydraulischen Cabrioverdecks sowie System zur Ausführung des Verfahrens
US7634911B2 (en) 2007-06-29 2009-12-22 Caterpillar Inc. Energy recovery system
EP2199186B1 (fr) 2008-12-17 2015-06-03 HAWE Hydraulik SE Dispositif de commande de direction hydraulique
DE102009025827A1 (de) * 2009-05-18 2010-11-25 Bucyrus Dbt Europe Gmbh Hydraulikschaltvorrichtung für die Mobilhydraulik, mobile Hydraulikmaschine und Ventileinheit
EP2392819B1 (fr) * 2010-05-31 2013-04-03 HAWE Hydraulik SE Dispositif de réglage rotatif hydroélectrique des pales de rotor sur le rotor d'une éolienne
US8726645B2 (en) 2010-12-15 2014-05-20 Caterpillar Inc. Hydraulic control system having energy recovery
CN102339026B (zh) * 2011-05-26 2014-05-28 昆山航天智能技术有限公司 一种基于重力调节的作业平台水平控制系统
DE102012203387A1 (de) * 2012-03-05 2013-09-05 Robert Bosch Gmbh Ventilbaugruppe mit Neutralumlauf und gesonderten Zu- und Ablaufventilen
DE102012203390A1 (de) * 2012-03-05 2013-09-05 Robert Bosch Gmbh Hydraulisches Antriebsystem mit gesonderten Zu- und Ablaufventilen und einer Regenerationsleitung
AT514115B1 (de) * 2013-04-09 2015-05-15 Ttcontrol Gmbh Elektrohydraulischer Steuerkreis

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875701A (en) * 1997-06-09 1999-03-02 Caterpillar Inc. Method and apparatus for controlling an implement of a work machine using linkage angles
EP0900888A1 (fr) * 1996-12-03 1999-03-10 Shin Caterpillar Mitsubishi Ltd. Dispositif de commande destine a un engin de construction
US6199378B1 (en) * 1999-09-21 2001-03-13 Caterpillar Inc. Off-setting rate of pressure rise in a fluid system
DE20114538U1 (de) * 2001-09-03 2001-10-31 Kuepper Weisser Gmbh Hydrauliksystem für die Eigengewichtsentlastung von Anbaugeräten
US6467264B1 (en) * 2001-05-02 2002-10-22 Husco International, Inc. Hydraulic circuit with a return line metering valve and method of operation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0900888A1 (fr) * 1996-12-03 1999-03-10 Shin Caterpillar Mitsubishi Ltd. Dispositif de commande destine a un engin de construction
US5875701A (en) * 1997-06-09 1999-03-02 Caterpillar Inc. Method and apparatus for controlling an implement of a work machine using linkage angles
US6199378B1 (en) * 1999-09-21 2001-03-13 Caterpillar Inc. Off-setting rate of pressure rise in a fluid system
US6467264B1 (en) * 2001-05-02 2002-10-22 Husco International, Inc. Hydraulic circuit with a return line metering valve and method of operation
DE20114538U1 (de) * 2001-09-03 2001-10-31 Kuepper Weisser Gmbh Hydrauliksystem für die Eigengewichtsentlastung von Anbaugeräten

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MORLOK JOACHIM: "Klassiker kontra Neuentwicklung?", FLUID, January 2002 (2002-01-01), pages 26 - 29, XP001148165 *

Also Published As

Publication number Publication date
DE50302571D1 (de) 2006-05-04
EP1413773B1 (fr) 2006-03-08
EP1413773A2 (fr) 2004-04-28
DE20215838U1 (de) 2004-02-26

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