FR2734054B1 - DEVICE AND METHOD FOR DETECTING VALVE LEAKS BY THE DIFFERENTIAL SIGNATURE METHOD - Google Patents

DEVICE AND METHOD FOR DETECTING VALVE LEAKS BY THE DIFFERENTIAL SIGNATURE METHOD

Info

Publication number
FR2734054B1
FR2734054B1 FR9604461A FR9604461A FR2734054B1 FR 2734054 B1 FR2734054 B1 FR 2734054B1 FR 9604461 A FR9604461 A FR 9604461A FR 9604461 A FR9604461 A FR 9604461A FR 2734054 B1 FR2734054 B1 FR 2734054B1
Authority
FR
France
Prior art keywords
detecting valve
valve leaks
differential signature
differential
signature method
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
FR9604461A
Other languages
French (fr)
Other versions
FR2734054A1 (en
Inventor
Joseph G Dimmick
Lloyd E Powell
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.)
Leak Detection Services Inc
Original Assignee
Leak Detection Services 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 Leak Detection Services Inc filed Critical Leak Detection Services Inc
Publication of FR2734054A1 publication Critical patent/FR2734054A1/en
Application granted granted Critical
Publication of FR2734054B1 publication Critical patent/FR2734054B1/en
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
    • G01M3/04—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
FR9604461A 1995-04-10 1996-04-10 DEVICE AND METHOD FOR DETECTING VALVE LEAKS BY THE DIFFERENTIAL SIGNATURE METHOD Expired - Lifetime FR2734054B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44953895A 1995-04-10 1995-04-10

Publications (2)

Publication Number Publication Date
FR2734054A1 FR2734054A1 (en) 1996-11-15
FR2734054B1 true FR2734054B1 (en) 1999-06-18

Family

ID=23784538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9604461A Expired - Lifetime FR2734054B1 (en) 1995-04-10 1996-04-10 DEVICE AND METHOD FOR DETECTING VALVE LEAKS BY THE DIFFERENTIAL SIGNATURE METHOD

Country Status (2)

Country Link
CA (1) CA2173794C (en)
FR (1) FR2734054B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8050875B2 (en) 2006-12-26 2011-11-01 Rosemount Inc. Steam trap monitoring
US10641412B2 (en) 2012-09-28 2020-05-05 Rosemount Inc. Steam trap monitor with diagnostics
CN113740004A (en) * 2020-05-28 2021-12-03 中国石油化工股份有限公司 Valve internal leakage rate evaluation device and evaluation grade method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3174632D1 (en) * 1980-10-20 1986-06-19 Atomic Energy Authority Uk Apparatus for indicating variations in acoustic properties on an interface
SU1247703A1 (en) * 1985-01-04 1986-07-30 Предприятие П/Я М-5881 Method and apparatus for detecting leakage
US5136876A (en) * 1987-01-16 1992-08-11 The Dow Chemical Company Apparatus and process for determining fluid leak rates
US5101774A (en) * 1989-08-03 1992-04-07 Westvaco Corporation Acoustic leak detection system
US5341670A (en) * 1991-12-13 1994-08-30 Atlantic Richfield Company Method and apparatus for locating seepage from tanks
DE4200245C2 (en) * 1992-01-08 1993-10-21 Rohrnetzbau Gmbh Rbg Method and device for detecting a leakage stream emerging from a surface

Also Published As

Publication number Publication date
FR2734054A1 (en) 1996-11-15
CA2173794C (en) 2001-01-16
CA2173794A1 (en) 1996-10-11

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