JPH0223818B2 - - Google Patents

Info

Publication number
JPH0223818B2
JPH0223818B2 JP60122249A JP12224985A JPH0223818B2 JP H0223818 B2 JPH0223818 B2 JP H0223818B2 JP 60122249 A JP60122249 A JP 60122249A JP 12224985 A JP12224985 A JP 12224985A JP H0223818 B2 JPH0223818 B2 JP H0223818B2
Authority
JP
Japan
Prior art keywords
optical fiber
liquid
light
liquid leakage
tip
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
JP60122249A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61280541A (ja
Inventor
Kanehide Watanabe
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.)
Doryokuro Kakunenryo Kaihatsu Jigyodan
Original Assignee
Doryokuro Kakunenryo Kaihatsu Jigyodan
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 Doryokuro Kakunenryo Kaihatsu Jigyodan filed Critical Doryokuro Kakunenryo Kaihatsu Jigyodan
Priority to JP60122249A priority Critical patent/JPS61280541A/ja
Priority to US06/869,903 priority patent/US4749855A/en
Publication of JPS61280541A publication Critical patent/JPS61280541A/ja
Publication of JPH0223818B2 publication Critical patent/JPH0223818B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
JP60122249A 1985-06-05 1985-06-05 液体漏洩検出方法 Granted JPS61280541A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60122249A JPS61280541A (ja) 1985-06-05 1985-06-05 液体漏洩検出方法
US06/869,903 US4749855A (en) 1985-06-05 1986-06-03 Method of detecting liquid leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60122249A JPS61280541A (ja) 1985-06-05 1985-06-05 液体漏洩検出方法

Publications (2)

Publication Number Publication Date
JPS61280541A JPS61280541A (ja) 1986-12-11
JPH0223818B2 true JPH0223818B2 (en]) 1990-05-25

Family

ID=14831283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60122249A Granted JPS61280541A (ja) 1985-06-05 1985-06-05 液体漏洩検出方法

Country Status (2)

Country Link
US (1) US4749855A (en])
JP (1) JPS61280541A (en])

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5058420A (en) * 1990-04-20 1991-10-22 Hughes Aircraft Company Fiber optic liquid leak detector
DE4028883A1 (de) * 1990-09-12 1992-03-19 Rheinhuette Gmbh & Co Verfahren und einrichtung zur anzeige eines ungewoehnlichen betriebszustandes einer maschine oder betriebseinrichtung, insbesondere leckanzeige bzw. leckmelder
FR2697939B1 (fr) * 1992-11-06 1995-02-24 Electricite De France Procédé et dispositif de détection de fuites de traversées de couvercle de cuve de réacteur nucléaire en fonctionnement.
US5714681A (en) * 1996-05-14 1998-02-03 Furness; Robert L. Double carcass hose failure detection system
FR2757271B1 (fr) * 1996-12-13 1999-01-15 Benichou Robert Appareil de controle du niveau d'un fluide dans un reservoir
US20040177891A1 (en) * 2003-03-11 2004-09-16 Spaolonzi Mauricio Pinto Leak detection system and method for offshore hose lines
US7607823B2 (en) * 2004-03-03 2009-10-27 Waters Technologies Corporation Leak detector comprising a self-heated thermistor control circuit
JP4640642B2 (ja) * 2005-10-12 2011-03-02 ニプロ株式会社 抜針検知装置
US7453367B2 (en) * 2005-12-12 2008-11-18 Veyance Technologies, Inc. Leak detection system and method for offshore hose lines
US7387012B2 (en) * 2006-07-14 2008-06-17 Veyance Technologies, Inc. Leak detection sensor system and method for double carcass hose
US7509841B2 (en) * 2006-07-14 2009-03-31 Veyance Technologies, Inc. Flexible leak detection system and method for double carcass hose
EP2265929A1 (en) * 2008-02-25 2010-12-29 NKT Flexibles I/S A pipe system, a fluid sensing system for a pipe system, and a method of determining a fluid component in an annulus cavity of a pipe
US8528385B2 (en) 2010-12-30 2013-09-10 Eaton Corporation Leak detection system
US9291521B2 (en) 2010-12-30 2016-03-22 Eaton Corporation Leak detection system
CN112325677A (zh) * 2020-11-06 2021-02-05 常德天盛电化有限公司 一种多股流换热器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3120125A (en) * 1960-08-03 1964-02-04 American Pyrotector Inc Liquid level determining devices and method
US3448616A (en) * 1967-06-29 1969-06-10 Sinclair Research Inc Liquid level detector
US4270049A (en) * 1978-06-12 1981-05-26 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Liquid leakage detection system
ATE3371T1 (de) * 1980-04-23 1983-06-15 Contraves Ag Sensorkanuele.

Also Published As

Publication number Publication date
US4749855A (en) 1988-06-07
JPS61280541A (ja) 1986-12-11

Similar Documents

Publication Publication Date Title
JPH0223818B2 (en])
KR960013996B1 (ko) 유체파이프 온도이상검출 구조물
CA2082313A1 (en) Leak Detection
JPS62501796A (ja) 下水道等のチヤンネルにおける漏洩およびその他の欠陥を検出する方法と装置
CN205919126U (zh) 一种新型油管泄漏压力检测系统
US7876093B2 (en) Eddy current inspection device, proximity probe and method for assembling an eddy current inspection device
CA2142723A1 (en) Recovery Boiler Leak Detection System and Method
JPH049651A (ja) 流体輸送管液漏れ検知方法
CN215908883U (zh) 一种适用于长距离海管泄漏监测的传感器
KR101463444B1 (ko) 원자로 용기 헤드의 냉각재 누설 검지 장치 및 이를 이용한 냉각재 누설 검지 방법
CN116772127A (zh) 一种非介入式光纤型气体管道泄漏次声波检测装置
CN115597724A (zh) 一种基于光纤传像束的gis内窥测温系统
JPS63302358A (ja) 配管検査装置
JPS63215932A (ja) 漏洩検出装置
JPH06281492A (ja) 蒸気発生器等の配管内の水位測定方法
CN223166277U (zh) 一种冷却水在线监测装置
JPH03180731A (ja) 熱媒輸送用配管の熱媒漏洩検知方法
CN211649852U (zh) 一种管路泄漏检测装置
CN214372994U (zh) 一种复合光纤光栅温度传感器检测控制系统
RU2760604C1 (ru) Канал измерительный акустический
US20240192080A1 (en) Acousto-optical transducer and method for pipeline leak detection, localization and quantification
JPH0337242Y2 (en])
CN119471463A (zh) 基于光纤偏振态变化监测漏电的方法及系统
CN108731872A (zh) 一种核电站安全壳密封性试验压力测量装置
JPS5856821B2 (ja) 液体金属漏洩検出装置