ES2005421A6 - Procedimiento para comprobar las condiciones de funcionamiento de una valvula de retencion. - Google Patents

Procedimiento para comprobar las condiciones de funcionamiento de una valvula de retencion.

Info

Publication number
ES2005421A6
ES2005421A6 ES8703083A ES8703083A ES2005421A6 ES 2005421 A6 ES2005421 A6 ES 2005421A6 ES 8703083 A ES8703083 A ES 8703083A ES 8703083 A ES8703083 A ES 8703083A ES 2005421 A6 ES2005421 A6 ES 2005421A6
Authority
ES
Spain
Prior art keywords
check valve
testing system
valve testing
sound waves
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.)
Expired
Application number
ES8703083A
Other languages
English (en)
Inventor
Steven Nafziger
John A M Mennamy
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.)
Movats Inc
Original Assignee
Movats 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 Movats Inc filed Critical Movats Inc
Publication of ES2005421A6 publication Critical patent/ES2005421A6/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Check Valves (AREA)

Abstract

PROCEDIMIENTO PARA COMPROBAR LAS CONDICIONES DE FUNCIONAMIENTO DE UNA VALVULA DE RETENCION, CON LOS CUALES SE DIRIGE ONDAS SONORAS AL INTERIOR DE LA CAMARA DE VALVULA (45) DE UN CONJUNTO DE VALVULA DE RETENCION (40) Y SE UTILIZAN LAS SEÑALES RECOGIDAS DE LAS ONDAS SONORAS REFLEJADAS, PARA GENERAR DATOS DE DIVERSOS PERIODOS DE TIEMPO TRASCURRIDOS CORRESPONDIENTES A LA POSICION Y AL MOVIMIENTO DEL DISCO DE LA VALVULA (48), PROPORCIONANDO DICHOS DATOS DE TIEMPO TRANSCURRIDO LA BASE PARA EL ANALISIS DEL ESTADO DEL CONJUNTO DE LA VALVULA (40).
ES8703083A 1986-10-29 1987-10-28 Procedimiento para comprobar las condiciones de funcionamiento de una valvula de retencion. Expired ES2005421A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92483786A 1986-10-29 1986-10-29

Publications (1)

Publication Number Publication Date
ES2005421A6 true ES2005421A6 (es) 1989-03-01

Family

ID=25450808

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8703083A Expired ES2005421A6 (es) 1986-10-29 1987-10-28 Procedimiento para comprobar las condiciones de funcionamiento de una valvula de retencion.

Country Status (5)

Country Link
EP (1) EP0288521A4 (es)
JP (1) JPH07109254B2 (es)
CA (1) CA1321261C (es)
ES (1) ES2005421A6 (es)
WO (1) WO1988003241A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008841B1 (en) * 1989-07-28 1995-09-19 Liberty Technologies Inc Non-invasive system and method for inspection of valves
US5086273A (en) * 1990-04-20 1992-02-04 Liberty Technology Center, Inc. A.C. electromagnetic system for determining position of an encased movable electrically conductive element
US5140263A (en) * 1990-04-20 1992-08-18 Liberty Technology Center, Inc. System for determining position of an internal, movable conductive element
EP0489596B1 (en) * 1990-12-06 1995-04-12 B&W NUCLEAR TECHNOLOGIES, INC. Monitoring of check valves
US5257545A (en) * 1990-12-06 1993-11-02 B&W Nuclear Service Company Method and apparatus to monitor check valves
US5115672A (en) * 1991-02-11 1992-05-26 Westinghouse Electric Corp. System and method for valve monitoring using pipe-mounted ultrasonic transducers
GB2356048A (en) * 1999-08-18 2001-05-09 Peter Edward Sharp Acoustic on-line condition monitoring of a machine part
US8677682B2 (en) 2012-01-06 2014-03-25 Le Groupe Dsd Inc. Thin wall sap collecting device
EP3748210B1 (de) 2019-06-07 2023-01-04 Focus-On V.O.F. Absperrorgan für ein fluid

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525720A (en) * 1975-12-20 1978-09-20 Univ Cardiff Distance measuring apparatus
JPS5689072A (en) * 1979-12-21 1981-07-20 Matsushita Electric Ind Co Ltd Ultrasonic distance measuring apparatus
FR2478255A1 (fr) * 1980-03-11 1981-09-18 Electricite De France Dispositif de detection par ultrasons de fermeture d'un clapet
JPS56147978A (en) * 1980-04-17 1981-11-17 Hitachi Ltd Diagnostics for accident of check valve with valve operating device
GB2112936B (en) * 1982-01-04 1985-02-13 Froude Eng Ltd Measuring the speed of a piston engine ultrasonically
EP0104172B1 (de) * 1982-03-30 1987-07-15 REUTER, Martin Einrichtung zur bestimmung eines relativabstands bei einer zylinder-kolben-einheit
US4543649A (en) * 1983-10-17 1985-09-24 Teknar, Inc. System for ultrasonically detecting the relative position of a moveable device
GB8334394D0 (en) * 1983-12-23 1984-02-01 Czajowski S B Electrical circuits
JPS60236078A (ja) * 1984-05-10 1985-11-22 Nagano Denki Kk 障害物距離検出装置
JPH0646478A (ja) * 1992-07-24 1994-02-18 Nec Corp 通信制御方式
JPH0689783A (ja) * 1992-09-09 1994-03-29 Toshiba Lighting & Technol Corp 照明器具

Also Published As

Publication number Publication date
EP0288521A4 (en) 1991-09-11
JPH07109254B2 (ja) 1995-11-22
JPH01501085A (ja) 1989-04-13
EP0288521A1 (en) 1988-11-02
WO1988003241A1 (en) 1988-05-05
CA1321261C (en) 1993-08-10

Similar Documents

Publication Publication Date Title
US5008841B1 (en) Non-invasive system and method for inspection of valves
EP0335380A3 (en) Testing apparatus
CA2347742A1 (en) Generating a nonlinear model and generating drive signals for simulation testing using the same
DE3167427D1 (en) Actuation device for an acoustic emission measuring system using the detection of the background noise
FI891078A (fi) Peptider och antikroppar, som inhiberar plateletadhesion.
EP0094828A3 (en) Apparatus for indicating the position of a member
EP0251697A3 (en) Ultrasonic signal processing system including a flaw gate
NO872175L (no) Fremgangsmaate og anordning for behandling av seismiske data ved korrelasjon.
ES2005421A6 (es) Procedimiento para comprobar las condiciones de funcionamiento de una valvula de retencion.
MY106966A (en) A method for processing seismic data.
AU591072B2 (en) Screening test for reverse-transcriptase containing virus
GB2211094B (en) Surface vibration analysis
JPS646770A (en) Analysis method and apparatus for frequency response
NO895131D0 (no) Fremgangsmaate for analyse av blodplatesammenhopninger og anordning for utfoerelse av fremgangsmaaten.
ATE79192T1 (de) Verfahren und vorrichtung zur ueberwachung von bimorphverzerrungsdetektoren.
NO885586L (no) Stlv-iii-beslektede polypeptider, diagnostiske systemer og analysefremgangsmaater.
EP0512620A3 (en) X-ray analysis apparatus
IT1213968B (it) Dispositivo per misurare,segnalare e controllare la pressione acustica (o livello sonoro) di un ambiente
NZ509915A (en) Method and system for processing seismic signals including a single type of wavefield extraction
CA2100464A1 (en) Prescreening of prostate cancer by serum prostatic specific antigen
FR2652647B1 (fr) Procede de test d'etancheite d'un boitier et dispositif de test d'etancheite.
NO861554L (no) Anti-urokinasemonoklonalt antistoff, matrise inneholdende dette, testmetode og biokjemisk testutstyr som anvender det.
ATE121175T1 (de) Überwachung von rückschlagventilen.
NO903417D0 (no) Fremgangsmaate for behandling av seismiske refleksjonsdata.
JPS51149705A (en) Method of analyzing drive sound source signal

Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2007-10-28