CA2020863A1 - Methode de verification des clapets de retenue sans contact materiel - Google Patents

Methode de verification des clapets de retenue sans contact materiel

Info

Publication number
CA2020863A1
CA2020863A1 CA 2020863 CA2020863A CA2020863A1 CA 2020863 A1 CA2020863 A1 CA 2020863A1 CA 2020863 CA2020863 CA 2020863 CA 2020863 A CA2020863 A CA 2020863A CA 2020863 A1 CA2020863 A1 CA 2020863A1
Authority
CA
Canada
Prior art keywords
valve
data
movable element
accelerometer
signals
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.)
Abandoned
Application number
CA 2020863
Other languages
English (en)
Inventor
John W. Mcelroy
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
Individual
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
Priority claimed from US07387223 external-priority patent/US5008841B1/en
Application filed by Individual filed Critical Individual
Priority to CA 2020863 priority Critical patent/CA2020863A1/fr
Publication of CA2020863A1 publication Critical patent/CA2020863A1/fr
Abandoned legal-status Critical Current

Links

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Examining Or Testing Airtightness (AREA)
CA 2020863 1989-07-28 1990-07-11 Methode de verification des clapets de retenue sans contact materiel Abandoned CA2020863A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2020863 CA2020863A1 (fr) 1989-07-28 1990-07-11 Methode de verification des clapets de retenue sans contact materiel

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07387223 US5008841B1 (en) 1989-07-28 1989-07-28 Non-invasive system and method for inspection of valves
US387,223 1989-07-28
CA 2020863 CA2020863A1 (fr) 1989-07-28 1990-07-11 Methode de verification des clapets de retenue sans contact materiel

Publications (1)

Publication Number Publication Date
CA2020863A1 true CA2020863A1 (fr) 1991-01-29

Family

ID=25674196

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2020863 Abandoned CA2020863A1 (fr) 1989-07-28 1990-07-11 Methode de verification des clapets de retenue sans contact materiel

Country Status (1)

Country Link
CA (1) CA2020863A1 (fr)

Similar Documents

Publication Publication Date Title
US5008841A (en) Non-invasive system and method for inspection of valves
US5086273A (en) A.C. electromagnetic system for determining position of an encased movable electrically conductive element
US5154080A (en) Integrated check valve testing system
US5477149A (en) Method and apparatus for non-invasive monitoring of solenoid valves
US4690003A (en) Motor operated valve analysis and testing system
US5329465A (en) Online valve diagnostic monitoring system
US4542649A (en) Motor operated valve analysis and testing system
US4879901A (en) System for evaluating the condition and performance of a valve and valve operator combination
US4693113A (en) Motor operated valve analysis and testing system
US4805451A (en) System for evaluating the condition and performance of a valve and valve operator combination
CN100353112C (zh) 阀门的诊断系统和诊断方法
US4882937A (en) Strain sensor for attachment to a structural member
CN109404603A (zh) 一种气动调节阀的故障在线监测的方法和装置
US4712071A (en) Motor operated valve analysis and testing system
KR102034781B1 (ko) 동압센서 시험 장치 및 그 방법
Lee et al. A study of the characteristics of the acoustic emission signals for condition monitoring of check valves in nuclear power plants
US4961898A (en) Reactor internals and core support monitoring system
JPH11315955A (ja) 蒸気タ―ビン弁用のメンテナンス・モニタシステム
EP0572715A1 (fr) Système pour tester des clapets de retenue
JP2007327606A (ja) プラントにおける電磁弁の検査方法および装置
Haynes Evaluation of check valve monitoring methods
JP2713967B2 (ja) 空気作動機器の診断装置
US4879511A (en) Flat, multiconductor cable coil device for in situ detecting of axial motion of a generally cylindrical member
JP7356956B2 (ja) 異常予兆診断装置およびその診断方法
CA2020863A1 (fr) Methode de verification des clapets de retenue sans contact materiel

Legal Events

Date Code Title Description
FZDE Dead