CA2173794A1 - Methode de detection de fuites par analyse de l'empreinte differentielle, utilisee dans le cas de la robinetteuse, et appareil connexe - Google Patents

Methode de detection de fuites par analyse de l'empreinte differentielle, utilisee dans le cas de la robinetteuse, et appareil connexe

Info

Publication number
CA2173794A1
CA2173794A1 CA 2173794 CA2173794A CA2173794A1 CA 2173794 A1 CA2173794 A1 CA 2173794A1 CA 2173794 CA2173794 CA 2173794 CA 2173794 A CA2173794 A CA 2173794A CA 2173794 A1 CA2173794 A1 CA 2173794A1
Authority
CA
Canada
Prior art keywords
valve
signatures
valve leaks
testing
leaks
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
CA 2173794
Other languages
English (en)
Other versions
CA2173794C (fr
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 CA2173794A1 publication Critical patent/CA2173794A1/fr
Application granted granted Critical
Publication of CA2173794C publication Critical patent/CA2173794C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24Investigating 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)
CA 2173794 1995-04-10 1996-04-10 Methode de detection de fuites par analyse de l'empreinte differentielle, utilisee dans le cas de la robinetteuse, et appareil connexe Expired - Fee Related CA2173794C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44953895A 1995-04-10 1995-04-10
US08/449,538 1995-04-10

Publications (2)

Publication Number Publication Date
CA2173794A1 true CA2173794A1 (fr) 1996-10-11
CA2173794C CA2173794C (fr) 2001-01-16

Family

ID=23784538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2173794 Expired - Fee Related CA2173794C (fr) 1995-04-10 1996-04-10 Methode de detection de fuites par analyse de l'empreinte differentielle, utilisee dans le cas de la robinetteuse, et appareil connexe

Country Status (2)

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

Cited By (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 (zh) * 2020-05-28 2021-12-03 中国石油化工股份有限公司 一种阀门内漏泄漏率评价装置及评价等级方法

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 (ru) * 1985-01-04 1986-07-30 Предприятие П/Я М-5881 Способ обнаружени течи и устройство дл его осуществлени
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 (de) * 1992-01-08 1993-10-21 Rohrnetzbau Gmbh Rbg Verfahren und Einrichtung zum Aufspüren eines aus einer Oberfläche austretenden Leckagestromes

Cited By (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 (zh) * 2020-05-28 2021-12-03 中国石油化工股份有限公司 一种阀门内漏泄漏率评价装置及评价等级方法

Also Published As

Publication number Publication date
FR2734054A1 (fr) 1996-11-15
FR2734054B1 (fr) 1999-06-18
CA2173794C (fr) 2001-01-16

Similar Documents

Publication Publication Date Title
Mershon et al. Intensity and reverberation as factors in the auditory perception of egocentric distance
CA2153351A1 (fr) Methode de traitement de donnees sismiques
EP1087372A3 (fr) Système générateur de son utilisant un logiciel et méthode de génération de formes d'onde acoustiques numériques
CA2173794A1 (fr) Methode de detection de fuites par analyse de l'empreinte differentielle, utilisee dans le cas de la robinetteuse, et appareil connexe
CA2072669A1 (fr) Simulateur de fuite a emission acoustique
Ko et al. Structure-borne and flow noise reductions (mathematical modeling)
Edwards A subjective assessment of concert hall acoustics
Rindel et al. Comparisons between computer simulations of room acoustical parameters and those measured in concert halls
CA2196525A1 (fr) Detection d'information acoustique-tactile et procede et appareil de mesure
Broadhurst Sparse volume array for architectural acoustic measurements
Wycoff Apprehension about communication and the need for cognition
Means et al. Axial surface waves on fluid‐loaded cylindrical shells below the ring frequency.
Reich et al. Canadian acoustic
Embleton Acoustics and mechanical standards at the National Research Council
Gade et al. Compromises in orchestra pit design: A ten-year trench war in The Royal Theatre, Copenhagen
Nallasamy et al. Quantifying Errors in Jet Noise Research Due to Microphone Support Reflection
Sacks et al. Subjective evaluation of simulated engine induction noise
Ewart et al. The MATE acoustic frequency cross correlations of intensity
Hilton et al. The remotely operated multiple array acoustic range (ROMAAR) for the direct measurement of airplane flyover noise footprints
Berry et al. Vibration and sound radiation of complex plates: A variational approach.
MacPherson Determination of acoustical transfer functions using an impulse method
Atagi et al. On the effects of time-variant sound fields on subjective preference
Pe Vibration If a Miniature Reverberation Room for Sound Absorption Measurements Using Corner Microphone Technique
Churg et al. Canadian acou/tic
Gammell The Analytic Signal Magnitude for Improved Ultrasonic Signatures

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed