CA2009030A1 - Systeme de commande hydraulique a multiplexage temporel - Google Patents

Systeme de commande hydraulique a multiplexage temporel

Info

Publication number
CA2009030A1
CA2009030A1 CA2009030A CA2009030A CA2009030A1 CA 2009030 A1 CA2009030 A1 CA 2009030A1 CA 2009030 A CA2009030 A CA 2009030A CA 2009030 A CA2009030 A CA 2009030A CA 2009030 A1 CA2009030 A1 CA 2009030A1
Authority
CA
Canada
Prior art keywords
channels
multiplexed
signals
hydraulic
pilot valve
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
CA2009030A
Other languages
English (en)
Other versions
CA2009030C (fr
Inventor
Plato J. Leeson
John W. Wardle
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.)
Woodward Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2009030A1 publication Critical patent/CA2009030A1/fr
Application granted granted Critical
Publication of CA2009030C publication Critical patent/CA2009030C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/43—Program-control systems fluidic
    • G05B19/46—Program-control systems fluidic hydraulic
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/07—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors in distinct sequence
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
    • G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
    • G05B19/4144—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by using multiplexing for control system
    • 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
    • Y10T137/87096—Valves with separate, correlated, actuators
    • Y10T137/87121—Coaxial stems
    • Y10T137/87129—Rotary
    • Y10T137/87137—And reciprocating
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87217—Motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)
CA 2009030 1989-02-01 1990-01-31 Systeme de commande hydraulique a multiplexage temporel Expired - Fee Related CA2009030C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US306,842 1989-02-01
US07/306,842 US4984505A (en) 1989-02-01 1989-02-01 Multiplexed hydraulic control systems

Publications (2)

Publication Number Publication Date
CA2009030A1 true CA2009030A1 (fr) 1990-08-01
CA2009030C CA2009030C (fr) 1993-11-09

Family

ID=23187112

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2009030 Expired - Fee Related CA2009030C (fr) 1989-02-01 1990-01-31 Systeme de commande hydraulique a multiplexage temporel

Country Status (5)

Country Link
US (1) US4984505A (fr)
EP (1) EP0381361B1 (fr)
JP (1) JPH0670381B2 (fr)
CA (1) CA2009030C (fr)
DE (1) DE69001490T2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2046766A1 (fr) * 1990-08-22 1992-02-23 Barton H. Snow Multiplexeur fluidique redondant
US5318065A (en) * 1992-11-20 1994-06-07 Ransburg Corporation Color valve multiplexer
FR2726344B1 (fr) * 1994-10-31 1998-02-20 Hr Textron Inc Servovalves hydrauliques a multiplexage
US6158208A (en) * 1998-12-04 2000-12-12 Woodward Governor Company Multiplexed fluid control system with pressure transducer feedback
US5996464A (en) * 1998-12-07 1999-12-07 Woodward Governor Company Fail safe valve and multiplexed fluid control systems incorporating the same
US6186045B1 (en) 1998-12-07 2001-02-13 Woodward Governor Company Latching valve and a multiplexed hydraulic control system utilizing same
EP1322399B1 (fr) * 2000-08-11 2011-07-13 Omnipure Filter Company, Inc. Systeme crante de connexion de cartouche filtrante a un support de filtre
US20090283160A1 (en) * 2008-05-02 2009-11-19 James Fishwick Fluid flow control device and control circuit
US8140242B2 (en) 2008-05-22 2012-03-20 United Technologies Corp. Systems and methods involving multiplexed engine control signals
NO331748B1 (no) * 2010-03-06 2012-03-19 Tool Tech As Hydraulisk kontrollventil med to ventilsleider
CN103370562B (zh) 2010-12-15 2016-03-23 艾里逊变速箱公司 用于控制到自动变速器中变速机构的流体流的设备和方法
US9399955B2 (en) * 2012-02-29 2016-07-26 General Electric Company Method and apparatus for local loop closure
CN105736494B (zh) * 2016-04-22 2018-10-16 无锡双马钻探工具有限公司 一种非开挖钻杆的加厚生产线
US10822112B2 (en) * 2018-02-14 2020-11-03 General Electric Company Slope-based event detection for turbine engines
DE102023207368A1 (de) * 2023-08-01 2025-02-06 Carl Zeiss Smt Gmbh Ansteuervorrichtung, optisches system und lithographieanlage

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US685510A (en) * 1900-09-06 1901-10-29 Westinghouse Machine Co Air and gas mixing ang governing device for gas-engines.
DE1259163B (de) * 1963-01-28 1968-01-18 Fujitsu Ltd Durch Drehbewegungen betaetigtes Steuerventil
US3645141A (en) * 1969-06-27 1972-02-29 Walter J Moore Random-access pressure multiplexer valving arrangement and system
US3747472A (en) * 1971-12-17 1973-07-24 Applied Power Inc Flexible cable hydraulic control means
DE2347043B2 (de) * 1973-09-19 1979-07-12 Carl Hurth Maschinen- Und Zahnradfabrik, 8000 Muenchen Hydraulische Einrichtung zum Steuern von Zahnräderwechsel- und/ oder -Wendegetrieben von Kraftfahrzeugen
DE2725410C2 (de) * 1977-06-04 1983-09-01 Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen Vorrichtung zur Steuerung einer Druckmittelströmung
US4271867A (en) * 1978-01-30 1981-06-09 Fmc Corporation Method and apparatus for hydraulically controlling subsea well equipment
US4325127A (en) * 1979-11-30 1982-04-13 Emery Major Flow meter system
US4638720A (en) * 1980-12-01 1987-01-27 Deere & Company Electro-hydraulic control system
US4664136A (en) * 1981-10-01 1987-05-12 South Bend Controls Inc. Pressure regulating transducer
US4595036A (en) * 1984-02-14 1986-06-17 Vitec Controls, Inc. Rotary control valve having quick emergency exhausting means
DE3435952A1 (de) * 1984-09-29 1986-04-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Ventilvorrichtung fuer hydraulische ausbausystem u.dgl.
US4712173A (en) * 1984-10-01 1987-12-08 Yamatake Honeywell Multicontrol process control system
GB2174824B (en) * 1985-05-08 1989-07-19 Rolls Royce Plc Control systems for gas turbine engines
US4838145A (en) * 1987-06-18 1989-06-13 The United States Of America As Represented By The Secretary Of Commerce Multiple actuator hydraulic system and rotary control valve therefor
CN1017276B (zh) * 1988-02-17 1992-07-01 通用电气公司 液体多通道转换器

Also Published As

Publication number Publication date
EP0381361B1 (fr) 1993-05-05
DE69001490T2 (de) 1993-08-12
US4984505A (en) 1991-01-15
JPH02264128A (ja) 1990-10-26
DE69001490D1 (de) 1993-06-09
EP0381361A1 (fr) 1990-08-08
JPH0670381B2 (ja) 1994-09-07
CA2009030C (fr) 1993-11-09

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Legal Events

Date Code Title Description
EEER Examination request
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