EP2306030A3 - Servoventil - Google Patents

Servoventil Download PDF

Info

Publication number
EP2306030A3
EP2306030A3 EP20100009135 EP10009135A EP2306030A3 EP 2306030 A3 EP2306030 A3 EP 2306030A3 EP 20100009135 EP20100009135 EP 20100009135 EP 10009135 A EP10009135 A EP 10009135A EP 2306030 A3 EP2306030 A3 EP 2306030A3
Authority
EP
European Patent Office
Prior art keywords
stage
servo valve
nozzle tube
operates
torsion element
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
EP20100009135
Other languages
English (en)
French (fr)
Other versions
EP2306030A2 (de
EP2306030B1 (de
Inventor
Franz Dipl.-ing. Weixler (FH)
Florian Dipl.-Ing. Lau (FH)
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.)
Liebherr Aerospace Lindenberg GmbH
Original Assignee
Liebherr Aerospace Lindenberg 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 Liebherr Aerospace Lindenberg GmbH filed Critical Liebherr Aerospace Lindenberg GmbH
Publication of EP2306030A2 publication Critical patent/EP2306030A2/de
Publication of EP2306030A3 publication Critical patent/EP2306030A3/de
Application granted granted Critical
Publication of EP2306030B1 publication Critical patent/EP2306030B1/de
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
    • 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
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0436—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being of the steerable jet type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7761—Electrically actuated valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/8659—Variable orifice-type modulator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86606—Common to plural valve motor chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Fluid-Driven Valves (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Die vorliegende Erfindung betrifft ein zweistufiges elektrohydraulisches Servoventil mit einer ersten Stufe (1), die als Vorsteuerstufe arbeitet und ein bewegliches Düsenrohr (10) aufweist, und einer zweiten Stufe (2), die als Leistungsstufe arbeitet, wobei das Düsenrohr der Vorsteuerstufe mittels eines Torsionselements (11) geführt ist und die Ölzuführung des beweglichen Düsenrohrs in das Torsionselement integriert ist.
EP10009135.4A 2009-09-30 2010-09-02 Servoventil Active EP2306030B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009047901 2009-09-30
DE102009049493A DE102009049493A1 (de) 2009-09-30 2009-10-12 Servoventil

Publications (3)

Publication Number Publication Date
EP2306030A2 EP2306030A2 (de) 2011-04-06
EP2306030A3 true EP2306030A3 (de) 2014-06-11
EP2306030B1 EP2306030B1 (de) 2019-02-27

Family

ID=43467007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10009135.4A Active EP2306030B1 (de) 2009-09-30 2010-09-02 Servoventil

Country Status (7)

Country Link
US (1) US8783291B2 (de)
EP (1) EP2306030B1 (de)
CN (1) CN102032227B (de)
BR (1) BRPI1003685B1 (de)
DE (1) DE102009049493A1 (de)
ES (1) ES2727730T3 (de)
RU (1) RU2535595C2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102146940B (zh) * 2011-05-05 2016-03-16 杭州新坐标科技股份有限公司 一种浮动式伺服阀
DE102012002921A1 (de) 2012-02-14 2013-08-14 Liebherr-Aerospace Lindenberg Gmbh Servoventil
CN103206556B (zh) * 2013-04-27 2015-02-11 浙江海宏液压科技股份有限公司 控制阀和具有上述控制阀的电液比例操纵阀
FR3079566B1 (fr) * 2018-03-30 2020-03-13 Fluid Actuation & Control Toulouse Servovalve de regulation de debit ou de pression d'un fluide

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137309A (en) * 1962-04-30 1964-06-16 Link Division General Prec Inc Frictionless zero spring rate seal
US3331383A (en) * 1966-04-29 1967-07-18 J D Buchanan Electro-hydraulic servo valves

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228423A (en) * 1956-01-23 1966-01-11 Moog Servocontrols Inc Fluid control valve in which a mechanical motion is transmitted from a dry region to a pressurized fluid filled region
US2969808A (en) * 1958-05-22 1961-01-31 Cincinnati Milling Machine Co Two-stage valve
US3017864A (en) * 1958-08-18 1962-01-23 American Brake Shoe Co Valve
US3023782A (en) * 1959-11-13 1962-03-06 Moog Servocontrols Inc Mechanical feedback flow control servo valve
US3386343A (en) * 1965-08-20 1968-06-04 Bell Aerospace Corp Dynamically constantly variable gain servocontrol system
US3612103A (en) * 1969-07-01 1971-10-12 Moog Inc Deflectable free jetstream-type two-stage servo valve
US5553827A (en) * 1993-11-17 1996-09-10 Alliedsignal Inc. Low current electro-hydraulic metering module
DE4431600A1 (de) * 1994-09-05 1996-03-07 Rexroth Mannesmann Gmbh Jet-Pipe Stufe mit interner Fluidversorgung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137309A (en) * 1962-04-30 1964-06-16 Link Division General Prec Inc Frictionless zero spring rate seal
US3331383A (en) * 1966-04-29 1967-07-18 J D Buchanan Electro-hydraulic servo valves

Also Published As

Publication number Publication date
CN102032227B (zh) 2015-08-19
BRPI1003685A2 (pt) 2013-01-29
RU2535595C2 (ru) 2014-12-20
RU2010140038A (ru) 2012-04-10
ES2727730T3 (es) 2019-10-18
EP2306030A2 (de) 2011-04-06
DE102009049493A1 (de) 2011-04-07
BRPI1003685B1 (pt) 2020-01-07
US8783291B2 (en) 2014-07-22
CN102032227A (zh) 2011-04-27
US20110079297A1 (en) 2011-04-07
EP2306030B1 (de) 2019-02-27

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