EP2360380A3 - Hydraulisches Steuerventil für einen einseitig arbeitenden Differentialzylinder mit fünf Steuerkanten - Google Patents

Hydraulisches Steuerventil für einen einseitig arbeitenden Differentialzylinder mit fünf Steuerkanten Download PDF

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Publication number
EP2360380A3
EP2360380A3 EP11000886.9A EP11000886A EP2360380A3 EP 2360380 A3 EP2360380 A3 EP 2360380A3 EP 11000886 A EP11000886 A EP 11000886A EP 2360380 A3 EP2360380 A3 EP 2360380A3
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EP
European Patent Office
Prior art keywords
control valve
small displacement
working cylinder
pressure relief
control
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
EP11000886.9A
Other languages
English (en)
French (fr)
Other versions
EP2360380B1 (de
EP2360380A2 (de
Inventor
Gerd Dr. Scheffel
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.)
Parker Hannifin Manufacturing Germany GmbH and Co KG
Original Assignee
Parker Hannifin 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.)
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Publication date
Application filed by Parker Hannifin GmbH and Co KG filed Critical Parker Hannifin GmbH and Co KG
Publication of EP2360380A2 publication Critical patent/EP2360380A2/de
Publication of EP2360380A3 publication Critical patent/EP2360380A3/de
Application granted granted Critical
Publication of EP2360380B1 publication Critical patent/EP2360380B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/021—Valves for interconnecting the fluid chambers of an actuator
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)

Abstract

Ein hydraulisches Steuerventil zur Steuerung eines einen Kolben mit einseitiger Kolbenstange aufweisenden doppelt wirkenden Arbeitszylinders, wobei das in Kolbenschieberbauweise ausgebildete Steuerventil wenigstens vier externe Anschlüsse P, A, B, T aufweist und eine Einrichtung zur Rückspeisung des beim Ausfahren der Kolbenstange aus dem kleinen Hubraum des Arbeitszylinders verdrängten und zum Anschluss B des Steuerventils geführten Fluides in den großen Hubraum des Arbeitszylinders und ferner zur unabhängigen Umschaltung des Arbeitszylinders von dem Arbeitshub auf Langsamfahrt mit anschließendem Haltezustand und zur Druckentlastung des kleinen Hubraums eine Verbindung des kleinen Hubraums mit dem Tank schaltbar ist, ist dadurch gekennzeichnet, dass an dem fünf Steuerkanten (Ausnehmungen 32, 33, 34) aufweisenden Steuerventil (20) zwei getrennte Leitungswege (41, 42) für die Rückspeisung des aus den kleinen Hubraum (14) des Arbeitszylinders (10) verdrängten Fluides mit einer Rückspeisungssteuerkante (Ausnehmung 33) und für die Druckentlastung des kleinen Hubraumes (14) zum Tank (17) mit einer Druckentlastungssteuerkante (Ausnehmung 34) ausgebildet sind.
EP11000886.9A 2010-02-24 2011-02-04 Hydraulisches Steuerventil für einen einseitig arbeitenden Differentialzylinder mit fünf Steuerkanten Active EP2360380B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010009085 DE102010009085B3 (de) 2010-02-24 2010-02-24 Hydraulisches Steuerventil für einen einseitig arbeitenden Differentialzylinder mit fünf Steuerkanten

Publications (3)

Publication Number Publication Date
EP2360380A2 EP2360380A2 (de) 2011-08-24
EP2360380A3 true EP2360380A3 (de) 2014-07-30
EP2360380B1 EP2360380B1 (de) 2016-11-30

Family

ID=43536378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11000886.9A Active EP2360380B1 (de) 2010-02-24 2011-02-04 Hydraulisches Steuerventil für einen einseitig arbeitenden Differentialzylinder mit fünf Steuerkanten

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Country Link
EP (1) EP2360380B1 (de)
DE (1) DE102010009085B3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150100750A (ko) * 2012-12-31 2015-09-02 벤더르빌트 유니버시티 3-위치 방향 제어 밸브의 스풀 및 몸체 구조
CN112555299B (zh) * 2020-12-02 2022-06-14 安徽江淮汽车集团股份有限公司 双控电磁阀以及液压离合系统
DE102021101830A1 (de) * 2021-01-27 2022-07-28 Schwäbische Hüttenwerke Automotive GmbH Querschnittsoptimiertes Steuerventil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273468A (en) * 1965-01-26 1966-09-20 Fawick Corp Hydraulic system with regenerative position
WO1998001677A1 (de) * 1996-07-05 1998-01-15 Parker Hannifin Gmbh Steuereinrichtung für einen einseitig arbeitenden differentialzylinder
DE102008059436B3 (de) * 2008-11-27 2010-01-07 Parker Hannifin Gmbh & Co. Kg Hydraulisches Steuerventil für einen einseitig arbeitenden Differentialzylinder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273468A (en) * 1965-01-26 1966-09-20 Fawick Corp Hydraulic system with regenerative position
WO1998001677A1 (de) * 1996-07-05 1998-01-15 Parker Hannifin Gmbh Steuereinrichtung für einen einseitig arbeitenden differentialzylinder
DE102008059436B3 (de) * 2008-11-27 2010-01-07 Parker Hannifin Gmbh & Co. Kg Hydraulisches Steuerventil für einen einseitig arbeitenden Differentialzylinder
WO2010060553A1 (de) * 2008-11-27 2010-06-03 Parker Hannifin Gmbh Hydraulisches steuerventil für einen einseitig arbeitenden differentialzylinder

Also Published As

Publication number Publication date
DE102010009085B3 (de) 2011-03-10
EP2360380B1 (de) 2016-11-30
EP2360380A2 (de) 2011-08-24

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