EP0894982A3 - Dispositif asservi hydraulique - Google Patents

Dispositif asservi hydraulique Download PDF

Info

Publication number
EP0894982A3
EP0894982A3 EP98114115A EP98114115A EP0894982A3 EP 0894982 A3 EP0894982 A3 EP 0894982A3 EP 98114115 A EP98114115 A EP 98114115A EP 98114115 A EP98114115 A EP 98114115A EP 0894982 A3 EP0894982 A3 EP 0894982A3
Authority
EP
European Patent Office
Prior art keywords
pilot shaft
piston
communication
hydraulic servo
pair
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
EP98114115A
Other languages
German (de)
English (en)
Other versions
EP0894982A2 (fr
EP0894982B1 (fr
Inventor
Hiroshi Ogata
Katsumi Kimura
Kazuhiko Sugiyama
Kazuo Hattori
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.)
Ebara Corp
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Publication of EP0894982A2 publication Critical patent/EP0894982A2/fr
Publication of EP0894982A3 publication Critical patent/EP0894982A3/fr
Application granted granted Critical
Publication of EP0894982B1 publication Critical patent/EP0894982B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
    • 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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
    • F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
    • 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
    • F15B9/02—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 servomotors of the reciprocatable or oscillatable type
    • F15B9/08—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 servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/10—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 servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage

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)
  • Actuator (AREA)
EP98114115A 1997-07-29 1998-07-28 Dispositif asservi hydraulique Expired - Lifetime EP0894982B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP21800397 1997-07-29
JP21800397A JP3494858B2 (ja) 1997-07-29 1997-07-29 油圧サーボ装置
JP218003/97 1997-07-29

Publications (3)

Publication Number Publication Date
EP0894982A2 EP0894982A2 (fr) 1999-02-03
EP0894982A3 true EP0894982A3 (fr) 2000-05-24
EP0894982B1 EP0894982B1 (fr) 2004-01-07

Family

ID=16713111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98114115A Expired - Lifetime EP0894982B1 (fr) 1997-07-29 1998-07-28 Dispositif asservi hydraulique

Country Status (4)

Country Link
EP (1) EP0894982B1 (fr)
JP (1) JP3494858B2 (fr)
CN (1) CN1124418C (fr)
DE (1) DE69820934T2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7249458B2 (en) * 2005-07-22 2007-07-31 Ashradn Holdings Ltd. Self-contained hydraulic actuator system
US9140403B2 (en) * 2008-02-29 2015-09-22 Cbe Global Holdings, Inc. Single-axis drive system and method
EP2396556B1 (fr) * 2009-02-10 2015-04-22 CBE Global Holdings, Inc. Système d'actionneur non linéaire et procédé associé
CN103029828B (zh) * 2012-12-11 2016-03-23 江西洪都航空工业集团有限责任公司 一种机械式旋转作动器
GB2517459A (en) * 2013-08-21 2015-02-25 Airbus Uk Ltd A hydraulic actuator arrangement
KR101888053B1 (ko) * 2016-12-02 2018-08-13 한국남부발전(주) 스쿠프튜브 유압조절장치를 구비한 대용량 변속 유체 커플링

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB693504A (en) * 1949-07-25 1953-07-01 Boulton Aircraft Ltd Improvements in and relating to servo systems
US2874542A (en) * 1943-04-21 1959-02-24 Sperry Rand Corp Motion reproducing mechanism
US2926635A (en) * 1957-12-24 1960-03-01 Clark Equipment Co Power shifting mechanism
US3757640A (en) * 1971-12-01 1973-09-11 Avco Corp Simplified follower servomechanism
US4245547A (en) * 1977-10-31 1981-01-20 Commercial Shearing, Inc. Rotary to linear servo mechanisms
EP0088017A2 (fr) * 1982-02-26 1983-09-07 COMPAGNIE PARISIENNE D'OUTILLAGE A AIR COMPRIME Société anonyme dite: Dispositif de distribution hydraulique à tiroir
JPS60256603A (ja) * 1984-06-01 1985-12-18 Yukio Watanabe シリンダ装置
US5207741A (en) * 1990-10-18 1993-05-04 Daikin Clutch Corporation Release assembly for a pull-type clutch
EP0767310A2 (fr) * 1995-10-07 1997-04-09 EUROCOPTER DEUTSCHLAND GmbH Dispositif de manoeuvre hydraulique

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874542A (en) * 1943-04-21 1959-02-24 Sperry Rand Corp Motion reproducing mechanism
GB693504A (en) * 1949-07-25 1953-07-01 Boulton Aircraft Ltd Improvements in and relating to servo systems
US2926635A (en) * 1957-12-24 1960-03-01 Clark Equipment Co Power shifting mechanism
US3757640A (en) * 1971-12-01 1973-09-11 Avco Corp Simplified follower servomechanism
US4245547A (en) * 1977-10-31 1981-01-20 Commercial Shearing, Inc. Rotary to linear servo mechanisms
EP0088017A2 (fr) * 1982-02-26 1983-09-07 COMPAGNIE PARISIENNE D'OUTILLAGE A AIR COMPRIME Société anonyme dite: Dispositif de distribution hydraulique à tiroir
JPS60256603A (ja) * 1984-06-01 1985-12-18 Yukio Watanabe シリンダ装置
US5207741A (en) * 1990-10-18 1993-05-04 Daikin Clutch Corporation Release assembly for a pull-type clutch
EP0767310A2 (fr) * 1995-10-07 1997-04-09 EUROCOPTER DEUTSCHLAND GmbH Dispositif de manoeuvre hydraulique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 130 (M - 478) 14 May 1986 (1986-05-14) *

Also Published As

Publication number Publication date
DE69820934D1 (de) 2004-02-12
JPH1144303A (ja) 1999-02-16
CN1210208A (zh) 1999-03-10
CN1124418C (zh) 2003-10-15
EP0894982A2 (fr) 1999-02-03
EP0894982B1 (fr) 2004-01-07
DE69820934T2 (de) 2004-11-04
JP3494858B2 (ja) 2004-02-09

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