JPS57171182A - Method of and apparatus for indicating valve position - Google Patents

Method of and apparatus for indicating valve position

Info

Publication number
JPS57171182A
JPS57171182A JP57000015A JP1582A JPS57171182A JP S57171182 A JPS57171182 A JP S57171182A JP 57000015 A JP57000015 A JP 57000015A JP 1582 A JP1582 A JP 1582A JP S57171182 A JPS57171182 A JP S57171182A
Authority
JP
Japan
Prior art keywords
valve position
indicating valve
indicating
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.)
Pending
Application number
JP57000015A
Other languages
Japanese (ja)
Inventor
Dana Kingu Patoritsuku
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.)
USS Engineers and Consultants Inc
Original Assignee
USS Engineers and Consultants Inc
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 USS Engineers and Consultants Inc filed Critical USS Engineers and Consultants Inc
Publication of JPS57171182A publication Critical patent/JPS57171182A/en
Pending 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2838—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT with out using position sensors, e.g. by volume flow measurement or pump speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/38—Means for operating the sliding gate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Control Of Position Or Direction (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP57000015A 1980-12-31 1982-01-04 Method of and apparatus for indicating valve position Pending JPS57171182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22193380A 1980-12-31 1980-12-31

Publications (1)

Publication Number Publication Date
JPS57171182A true JPS57171182A (en) 1982-10-21

Family

ID=22830029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57000015A Pending JPS57171182A (en) 1980-12-31 1982-01-04 Method of and apparatus for indicating valve position

Country Status (9)

Country Link
JP (1) JPS57171182A (en)
BR (1) BR8108235A (en)
CA (1) CA1175564A (en)
DE (1) DE3151740A1 (en)
ES (1) ES508456A0 (en)
FR (1) FR2497338A1 (en)
GB (1) GB2094481A (en)
IT (1) IT8168726A0 (en)
MX (1) MX155514A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020200930A (en) * 2019-06-13 2020-12-17 株式会社東芝 Device, method and program for detecting valve opening

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4429019C1 (en) * 1994-08-16 1995-12-21 Pleiger Maschf Paul Hydraulic cylinder powered drive position indicator
US20130060519A1 (en) * 2010-05-06 2013-03-07 Scandinavian Construction Comp. A/S Encoder to determine the position of a piston in a hydraulic or a pneumatic cylinder
EP2675745B1 (en) 2011-02-16 2016-05-11 Crown Equipment Corporation Materials handling vehicle estimating a speed of a movable assembly from a lift motor speed

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1251225A (en) * 1968-09-04 1971-10-27
NO123671B (en) * 1968-12-30 1971-12-27 Norsk Hydro Verksteder A S
GB1275844A (en) * 1970-04-30 1972-05-24 Mitsubishi Jukoyo Kabushiki Ka Flow meter type valve-position indicator
DE2759263C3 (en) * 1977-12-31 1981-02-19 Kracht Pumpen- Und Motorenfabrik Gmbh & Co Kg, 5980 Werdohl Monitoring system for hydraulically operated fittings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020200930A (en) * 2019-06-13 2020-12-17 株式会社東芝 Device, method and program for detecting valve opening

Also Published As

Publication number Publication date
IT8168726A0 (en) 1981-12-30
FR2497338A1 (en) 1982-07-02
GB2094481A (en) 1982-09-15
DE3151740A1 (en) 1982-09-16
ES8301020A1 (en) 1982-11-01
ES508456A0 (en) 1982-11-01
CA1175564A (en) 1984-10-02
BR8108235A (en) 1982-10-05
MX155514A (en) 1988-03-18

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