JPH04259002A - 弁位置検知装置 - Google Patents

弁位置検知装置

Info

Publication number
JPH04259002A
JPH04259002A JP3259177A JP25917791A JPH04259002A JP H04259002 A JPH04259002 A JP H04259002A JP 3259177 A JP3259177 A JP 3259177A JP 25917791 A JP25917791 A JP 25917791A JP H04259002 A JPH04259002 A JP H04259002A
Authority
JP
Japan
Prior art keywords
signal
valve
fault
coupled
representing
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.)
Pending
Application number
JP3259177A
Other languages
English (en)
Japanese (ja)
Inventor
Edward Y C Hwang
エドワード・ユン−チュアン・ホワン
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of JPH04259002A publication Critical patent/JPH04259002A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • 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
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • F16K37/0041—Electrical or magnetic means for measuring valve parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Safety Devices In Control Systems (AREA)
JP3259177A 1990-10-10 1991-10-07 弁位置検知装置 Pending JPH04259002A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US597949 1984-04-09
US07/597,949 US5109675A (en) 1990-10-10 1990-10-10 Valve position sensing circuit

Publications (1)

Publication Number Publication Date
JPH04259002A true JPH04259002A (ja) 1992-09-14

Family

ID=24393616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3259177A Pending JPH04259002A (ja) 1990-10-10 1991-10-07 弁位置検知装置

Country Status (6)

Country Link
US (1) US5109675A (enExample)
JP (1) JPH04259002A (enExample)
KR (1) KR100224949B1 (enExample)
CA (1) CA2053042C (enExample)
ES (1) ES2050572B1 (enExample)
IT (1) IT1263165B (enExample)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211622A1 (de) * 1992-04-07 1993-10-14 Bosch Gmbh Robert Verfahren zur Überwachung von Drehzahlfühlern
DK142593D0 (da) * 1993-12-21 1993-12-21 Ole Cramer Nielsen Apparat til styring af en ventil
JPH09317419A (ja) * 1996-05-28 1997-12-09 Toyota Motor Corp 吸排気用電磁駆動弁の異常検出方法
DE29809667U1 (de) * 1998-05-28 1998-10-08 GEMÜ Gebrüder Müller Apparatebau GmbH & Co. KG, 74653 Ingelfingen Anordnung zu Stellungsanzeige
US6409143B1 (en) * 2000-02-02 2002-06-25 Ewc Controls Incorporated Damper assembly with an electro-optical controller for positioning the damper vanes
US7138794B1 (en) * 2000-03-10 2006-11-21 General Electric Company Detection of faults in linear and rotary voltage transducers
US6427949B1 (en) 2001-01-23 2002-08-06 Alstom Signaling, Inc. Contactless point detection system for railroad switch
US6655151B2 (en) † 2001-09-07 2003-12-02 Honeywell International, Inc. Method for controlling fuel flow to a gas turbine engine
ES2256142T3 (es) * 2001-11-23 2006-07-16 Siemens Aktiengesellschaft Metodo para la regulacion continua de una posicion de una valvula de regulacion.
JP2005527817A (ja) * 2002-05-24 2005-09-15 アサイラム リサーチ コーポレーション デジタル電子機器を持つ線形可変差動変圧器
JP3706601B2 (ja) * 2002-07-30 2005-10-12 三菱重工業株式会社 流量制御装置
TWI223042B (en) * 2003-02-24 2004-11-01 Seibu Electric & Machinery Co Self-diagnosis valve actuator and intelligent valve actuator
GB2421559A (en) * 2004-12-24 2006-06-28 Airbus Uk Ltd Valve system
US7288933B2 (en) * 2005-12-22 2007-10-30 Bell Helicopter Textron, Inc. Position detecting system that self-monitors for connectivity faults
KR101256741B1 (ko) * 2008-06-05 2013-04-19 퀄컴 인코포레이티드 무선 전력 전달을 위한 페라이트 안테나들
WO2015134466A1 (en) 2014-03-03 2015-09-11 Eaton Corporation Valve actuating device and method of making same
US8915225B2 (en) 2010-03-19 2014-12-23 Eaton Corporation Rocker arm assembly and components therefor
US9938865B2 (en) 2008-07-22 2018-04-10 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US9284859B2 (en) 2010-03-19 2016-03-15 Eaton Corporation Systems, methods, and devices for valve stem position sensing
US9228454B2 (en) 2010-03-19 2016-01-05 Eaton Coporation Systems, methods and devices for rocker arm position sensing
US9581058B2 (en) 2010-08-13 2017-02-28 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US10415439B2 (en) 2008-07-22 2019-09-17 Eaton Intelligent Power Limited Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US9016252B2 (en) * 2008-07-22 2015-04-28 Eaton Corporation System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a hydraulic lash adjuster gallery
US20190309663A9 (en) 2008-07-22 2019-10-10 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US9708942B2 (en) 2010-03-19 2017-07-18 Eaton Corporation Rocker arm assembly and components therefor
US8502525B2 (en) 2008-10-14 2013-08-06 Oxford Instruments Plc Integrated micro actuator and IVDT for high precision position measurements
DE102009021918B4 (de) * 2009-05-19 2016-04-07 Abb Technology Ag Stellungsregler
US9194261B2 (en) 2011-03-18 2015-11-24 Eaton Corporation Custom VVA rocker arms for left hand and right hand orientations
US11181013B2 (en) 2009-07-22 2021-11-23 Eaton Intelligent Power Limited Cylinder head arrangement for variable valve actuation rocker arm assemblies
US10087790B2 (en) 2009-07-22 2018-10-02 Eaton Corporation Cylinder head arrangement for variable valve actuation rocker arm assemblies
US8996328B2 (en) * 2009-12-29 2015-03-31 Fisher Controls International Llc Methods, apparatus and articles of manufacture to test safety instrumented system solenoids
US8453674B2 (en) * 2010-03-12 2013-06-04 Target Rock Division Of Curtiss-Wright Flow Control Corporation Valve fault indication and control
US9885258B2 (en) 2010-03-19 2018-02-06 Eaton Corporation Latch interface for a valve actuating device
US9874122B2 (en) 2010-03-19 2018-01-23 Eaton Corporation Rocker assembly having improved durability
CN101852102B (zh) * 2010-06-18 2015-10-28 天津市电力公司 一种可输出准确关闭时间的汽轮机调速汽门机构
US20120286820A1 (en) * 2011-05-13 2012-11-15 General Electric Company Methods to detect a single point of failure
US9303785B2 (en) * 2013-08-02 2016-04-05 Jdv Control Valves Co., Ltd Method for controlling valve apparatus
US9506381B2 (en) * 2014-01-31 2016-11-29 GM Global Technology Operations LLC System and method for measuring valve lift and for detecting a fault in a valve actuator based on the valve lift
DE102015101046B4 (de) * 2014-01-31 2019-05-16 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Verfahren zum Detektieren einer Störung in einem Ventilaktuator
DK3141973T3 (da) * 2015-09-11 2020-03-23 Alfa Laval Corp Ab Monitorering af en ventilstyreenhed og dens komponenter
DE102018210704A1 (de) * 2018-06-29 2020-01-02 Robert Bosch Gmbh Wegaufnehmer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5079715A (enExample) * 1973-11-13 1975-06-28
JPS5972390A (ja) * 1982-10-15 1984-04-24 日本鋼管株式会社 油井用鋼管及びその製造方法
JPS6173457A (ja) * 1984-09-19 1986-04-15 Nec Corp 変復調装置試験装置
JPH0228446A (ja) * 1988-06-02 1990-01-30 Ncr Corp 多重シート通過検出装置
JPH02163422A (ja) * 1988-11-28 1990-06-22 General Electric Co <Ge> 気体燃料分配装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140998A (en) * 1976-03-15 1979-02-20 Sangamo Weston, Inc. High accuracy position indicator
US4554788A (en) * 1983-12-21 1985-11-26 Westinghouse Electric Corp. Turbine valve control system
US4658590A (en) * 1984-12-28 1987-04-21 Hitachi, Ltd. Steam turbine governor system and method of controlling the same
US4678991A (en) * 1985-11-18 1987-07-07 United Technologies Corporation Inductive displacement transducer with unipolar output
DE3602107C2 (de) * 1986-01-24 1996-05-30 Bosch Gmbh Robert Schaltungsanordnung mit Differentialtransformator
US4842162A (en) * 1987-03-27 1989-06-27 Nordson Corporation Apparatus and method for dispensing fluid materials using position-dependent velocity feedback
JPH057526Y2 (enExample) * 1987-08-05 1993-02-25
US4904921A (en) * 1987-11-13 1990-02-27 Analog Devices, Inc. Monolithic interface circuit for linear variable differential transformers
US4878348A (en) * 1988-09-28 1989-11-07 Westinghouse Electric Corp. Turbine governor valve monitor
US4976108A (en) * 1990-05-11 1990-12-11 Westinghouse Electric Corp. Turbine efficient valve position computer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5079715A (enExample) * 1973-11-13 1975-06-28
JPS5972390A (ja) * 1982-10-15 1984-04-24 日本鋼管株式会社 油井用鋼管及びその製造方法
JPS6173457A (ja) * 1984-09-19 1986-04-15 Nec Corp 変復調装置試験装置
JPH0228446A (ja) * 1988-06-02 1990-01-30 Ncr Corp 多重シート通過検出装置
JPH02163422A (ja) * 1988-11-28 1990-06-22 General Electric Co <Ge> 気体燃料分配装置

Also Published As

Publication number Publication date
ITMI912586A0 (it) 1991-09-27
IT1263165B (it) 1996-08-02
ES2050572B1 (es) 1996-10-16
CA2053042C (en) 1999-12-28
ITMI912586A1 (it) 1993-03-27
KR920008322A (ko) 1992-05-27
ES2050572A2 (es) 1994-05-16
US5109675A (en) 1992-05-05
ES2050572R (enExample) 1996-03-16
KR100224949B1 (ko) 1999-10-15
CA2053042A1 (en) 1992-04-11

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