DE69817821D1 - Verfahren und gerät zur online-leckageüberwachung von notabschaltventilen oder anderen ventilen - Google Patents

Verfahren und gerät zur online-leckageüberwachung von notabschaltventilen oder anderen ventilen

Info

Publication number
DE69817821D1
DE69817821D1 DE69817821T DE69817821T DE69817821D1 DE 69817821 D1 DE69817821 D1 DE 69817821D1 DE 69817821 T DE69817821 T DE 69817821T DE 69817821 T DE69817821 T DE 69817821T DE 69817821 D1 DE69817821 D1 DE 69817821D1
Authority
DE
Germany
Prior art keywords
fluid
upstream
function
downstream
inner cavity
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.)
Expired - Lifetime
Application number
DE69817821T
Other languages
English (en)
Inventor
L Leon
Q Heagerty
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.)
Crane Nuclear Inc
Original Assignee
Crane Nuclear 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 Crane Nuclear Inc filed Critical Crane Nuclear Inc
Application granted granted Critical
Publication of DE69817821D1 publication Critical patent/DE69817821D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
    • 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
    • F16K37/005—Electrical or magnetic means for measuring fluid parameters
    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
DE69817821T 1997-06-26 1998-06-18 Verfahren und gerät zur online-leckageüberwachung von notabschaltventilen oder anderen ventilen Expired - Lifetime DE69817821D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5572897P 1997-06-26 1997-06-26
US6059097P 1997-10-01 1997-10-01
PCT/US1998/012868 WO1999000619A1 (en) 1997-06-26 1998-06-18 Method and apparatus for on-line detection of leaky emergency shut down or other valves

Publications (1)

Publication Number Publication Date
DE69817821D1 true DE69817821D1 (de) 2003-10-09

Family

ID=26734566

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69817821T Expired - Lifetime DE69817821D1 (de) 1997-06-26 1998-06-18 Verfahren und gerät zur online-leckageüberwachung von notabschaltventilen oder anderen ventilen

Country Status (7)

Country Link
US (2) US6128946A (de)
EP (1) EP0991888B1 (de)
AT (1) ATE249000T1 (de)
AU (1) AU8156798A (de)
DE (1) DE69817821D1 (de)
NO (2) NO320881B1 (de)
WO (1) WO1999000619A1 (de)

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Also Published As

Publication number Publication date
EP0991888A1 (de) 2000-04-12
NO335721B1 (no) 2015-02-02
EP0991888B1 (de) 2003-09-03
AU8156798A (en) 1999-01-19
EP0991888A4 (de) 2001-04-18
ATE249000T1 (de) 2003-09-15
NO996403L (no) 2000-02-25
NO20055161L (no) 2000-02-25
US6128946A (en) 2000-10-10
US6134949A (en) 2000-10-24
NO320881B1 (no) 2006-02-06
NO996403D0 (no) 1999-12-22
WO1999000619A1 (en) 1999-01-07

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