EP0393345A3 - Dispositif de commande hydraulique - Google Patents

Dispositif de commande hydraulique Download PDF

Info

Publication number
EP0393345A3
EP0393345A3 EP19900104632 EP90104632A EP0393345A3 EP 0393345 A3 EP0393345 A3 EP 0393345A3 EP 19900104632 EP19900104632 EP 19900104632 EP 90104632 A EP90104632 A EP 90104632A EP 0393345 A3 EP0393345 A3 EP 0393345A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic
control device
feedback
rotary
accuracy
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.)
Withdrawn
Application number
EP19900104632
Other languages
German (de)
English (en)
Other versions
EP0393345A2 (fr
Inventor
Werner Kuttruf
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.)
BW Hydraulik GmbH
Original Assignee
BW Hydraulik 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 BW Hydraulik GmbH filed Critical BW Hydraulik GmbH
Publication of EP0393345A2 publication Critical patent/EP0393345A2/fr
Publication of EP0393345A3 publication Critical patent/EP0393345A3/fr
Withdrawn legal-status Critical Current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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/14—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with rotary servomotors
    • 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
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86654—For plural lines
    • 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
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86662—Axial and radial flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Servomotors (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Position Or Direction (AREA)
  • Fluid-Pressure Circuits (AREA)
EP19900104632 1989-04-19 1990-03-12 Dispositif de commande hydraulique Withdrawn EP0393345A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3912743 1989-04-19
DE3912743A DE3912743C2 (de) 1989-04-19 1989-04-19 Hydraulische Steuereinrichtung

Publications (2)

Publication Number Publication Date
EP0393345A2 EP0393345A2 (fr) 1990-10-24
EP0393345A3 true EP0393345A3 (fr) 1991-04-10

Family

ID=6378931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900104632 Withdrawn EP0393345A3 (fr) 1989-04-19 1990-03-12 Dispositif de commande hydraulique

Country Status (4)

Country Link
US (1) US4977816A (fr)
EP (1) EP0393345A3 (fr)
JP (1) JPH02296001A (fr)
DE (1) DE3912743C2 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05196008A (ja) * 1991-11-20 1993-08-06 Myotoku Kk 空気圧動作装置とその制御装置
US5388614A (en) * 1992-09-25 1995-02-14 Nippon Soken, Inc. Rotary flow control valve
US5242150A (en) * 1992-09-30 1993-09-07 The United States Of America As Represented By The Secretary Of The Navy Rotary hydraulic servo or throttle valve
US5467800A (en) * 1993-04-20 1995-11-21 Atlas Fluid Controls Inc. Low inertia servo valve
JP2919261B2 (ja) * 1994-01-10 1999-07-12 株式会社山元金属製作所 サーボモータ付き流体モータ
US5524525A (en) * 1994-05-23 1996-06-11 A.I.L. Inc. Rotary servo valve and guidance system apparatus for controlling the same
JPH09271483A (ja) * 1996-04-03 1997-10-21 Soft Ueebu:Kk 副 木
US5791228A (en) * 1996-07-09 1998-08-11 Gervasi; Vito R. Torque or force amplifying actuator and method for controlling actuator
EP2218171A4 (fr) * 2007-11-09 2012-03-21 Vamco Int Inc Appareil et procédé d'entraînement pour une presse
JP5497737B2 (ja) 2009-10-01 2014-05-21 本田技研工業株式会社 液体流量制御バルブ
US9127694B2 (en) 2011-09-09 2015-09-08 Woodward, Inc. High-flow electro-hydraulic actuator
CN103104568B (zh) * 2013-01-22 2015-05-20 浙江大学 一种内控式双自由度阀芯旋转式四通换向阀
CN103321980B (zh) * 2013-06-24 2015-11-18 大连理工大学 一种变面积梯度数字转阀
CN104196790B (zh) * 2014-07-22 2016-06-08 武汉钢铁(集团)公司 双自由度阀芯旋转内控式高频换向阀
US10119478B2 (en) 2015-06-25 2018-11-06 Woodward, Inc. High reliability high flow redundant trip block
EP3409988B1 (fr) * 2017-05-31 2020-04-01 Hamilton Sundstrand Corporation Servo-soupape pneumatique comportant des éléments de mesure réglables
CN112112864B (zh) * 2020-10-12 2022-09-02 辽宁工程技术大学 一种负载压力控制式数字流体缸

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2349641A (en) * 1941-12-18 1944-05-23 Hydraulic Dev Corp Inc Rotating servo-valve
GB787499A (en) * 1956-06-08 1957-12-11 Lynn Leslie Charlson Improvements in or relating to rotary fluid pressure devices
EP0102884A1 (fr) * 1982-08-02 1984-03-14 Allied Corporation Servo-soupape rotative à commande directe
EP0141874A1 (fr) * 1983-11-14 1985-05-22 Hans Hermes Steuerungstechnik Valve directionnelle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2395979A (en) * 1941-12-18 1946-03-05 Hydraulic Dev Corp Inc Torque amplifier
DE1426491B2 (de) * 1962-08-01 1971-12-02 Fujitsu Ltd , Communications and Electronics, Tokio Druckmittelbetriebener drehmomentverstaerker
DE2326635C2 (de) * 1973-05-25 1985-12-12 Mitsubishi Kinzoku K.K., Tokio/Tokyo Steuerventil
DE2532136A1 (de) * 1975-07-18 1976-10-28 Tuenkers Kg Drehschiebersteuerung fuer das pneumatische oder hydraulische druckmedium eines zylindertriebes mit mehreren doppeltwirkenden antriebszylindern
US4177834A (en) * 1979-02-05 1979-12-11 Bonney Roland W Rotary four way tandem center valve
NL7902045A (nl) * 1979-03-15 1980-09-17 Meulensteen Elektronika B V Stuurklep.
US4308892A (en) * 1979-10-09 1982-01-05 The Bendix Corporation Rotary valve
US4779512A (en) * 1987-04-13 1988-10-25 Leonard Willie B Rotary drive spool valve
US4836249A (en) * 1988-03-01 1989-06-06 Webster Electric Co.,Inc. Rotary-action directional control valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2349641A (en) * 1941-12-18 1944-05-23 Hydraulic Dev Corp Inc Rotating servo-valve
GB787499A (en) * 1956-06-08 1957-12-11 Lynn Leslie Charlson Improvements in or relating to rotary fluid pressure devices
EP0102884A1 (fr) * 1982-08-02 1984-03-14 Allied Corporation Servo-soupape rotative à commande directe
EP0141874A1 (fr) * 1983-11-14 1985-05-22 Hans Hermes Steuerungstechnik Valve directionnelle

Also Published As

Publication number Publication date
DE3912743A1 (de) 1990-10-25
DE3912743C2 (de) 2000-12-14
JPH02296001A (ja) 1990-12-06
US4977816A (en) 1990-12-18
EP0393345A2 (fr) 1990-10-24

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