JPH0445096B2 - - Google Patents

Info

Publication number
JPH0445096B2
JPH0445096B2 JP60157053A JP15705385A JPH0445096B2 JP H0445096 B2 JPH0445096 B2 JP H0445096B2 JP 60157053 A JP60157053 A JP 60157053A JP 15705385 A JP15705385 A JP 15705385A JP H0445096 B2 JPH0445096 B2 JP H0445096B2
Authority
JP
Japan
Prior art keywords
corrosive liquid
electrodes
holes
liquid
insulating film
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
JP60157053A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6219748A (ja
Inventor
Akira Kobayashi
Satoru Tanaka
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.)
Junkosha Co Ltd
Original Assignee
Junkosha Co Ltd
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 Junkosha Co Ltd filed Critical Junkosha Co Ltd
Priority to JP60157053A priority Critical patent/JPS6219748A/ja
Priority to US06/884,726 priority patent/US4677373A/en
Priority to DE3623872A priority patent/DE3623872A1/de
Publication of JPS6219748A publication Critical patent/JPS6219748A/ja
Publication of JPH0445096B2 publication Critical patent/JPH0445096B2/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
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • 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
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP60157053A 1985-07-18 1985-07-18 腐食性液検知用センサ Granted JPS6219748A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP60157053A JPS6219748A (ja) 1985-07-18 1985-07-18 腐食性液検知用センサ
US06/884,726 US4677373A (en) 1985-07-18 1986-07-11 Sensor for detecting leaks of corrosive liquid
DE3623872A DE3623872A1 (de) 1985-07-18 1986-07-15 Sensor zur erfassung einer leckage einer korrosiven fluessigkeit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60157053A JPS6219748A (ja) 1985-07-18 1985-07-18 腐食性液検知用センサ

Publications (2)

Publication Number Publication Date
JPS6219748A JPS6219748A (ja) 1987-01-28
JPH0445096B2 true JPH0445096B2 (en]) 1992-07-23

Family

ID=15641171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60157053A Granted JPS6219748A (ja) 1985-07-18 1985-07-18 腐食性液検知用センサ

Country Status (3)

Country Link
US (1) US4677373A (en])
JP (1) JPS6219748A (en])
DE (1) DE3623872A1 (en])

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3645260C2 (de) 1986-11-20 1995-01-19 Hermetic Pumpen Gmbh Pumpe mit einem Spaltrohrmagnetkupplungsantrieb
JPH01102334A (ja) * 1987-10-16 1989-04-20 Junkosha Co Ltd 漏液センサ
JPH01285847A (ja) * 1988-05-13 1989-11-16 Junkosha Co Ltd 流体検知センサ
JPH0227559U (en]) * 1988-08-11 1990-02-22
GB2230631B (en) * 1989-04-04 1993-03-03 Gore & Ass A solvent responsive signal-carrying device
US5316035A (en) * 1993-02-19 1994-05-31 Fluoroware, Inc. Capacitive proximity monitoring device for corrosive atmosphere environment
US5977782A (en) * 1998-01-23 1999-11-02 Cts Corporation Fluid abrasion and/or corrosion sensors and method of sensing abrasion and/or corrosion
US6865941B2 (en) * 2001-11-21 2005-03-15 Before-The-Event, Ltd. Liquid leak detector
EP1446646A1 (en) * 2001-11-21 2004-08-18 Before-The-Even Ltd. A liquid leak multi-layer detector
US6877359B2 (en) * 2001-11-30 2005-04-12 Taiwan Semiconductor Manufacturing Co., Ltd. Liquid leak detection
US7675295B2 (en) * 2007-09-05 2010-03-09 The Board Of Regents For Oklahoma State University Passive wireless corrosion sensor
US20100127460A1 (en) * 2008-11-26 2010-05-27 Odyssian Technology, Llc Seals with integrated leak detection capability
US8061211B1 (en) 2009-06-19 2011-11-22 Odyssian Technology, Llc Seal with integrated sensor
US8448949B2 (en) * 2009-08-13 2013-05-28 Parker-Hannifin Corporation Sealing assembly with integral sensor
BE1019629A3 (nl) * 2009-12-11 2012-09-04 Vinck Kris Bvba Inrichting voor het detecteren van een vloeistoflek.
CA2858411C (en) * 2011-12-29 2018-03-27 Sca Hygiene Products Ab Absorbent article comprising a wetness detector
FI124281B (fi) * 2012-05-02 2014-06-13 Jani Alatainio Vuotoilmaisin
JP6695121B2 (ja) * 2015-10-07 2020-05-20 デクセリアルズ株式会社 スイッチ素子、及び保護素子
JP6673675B2 (ja) * 2015-11-20 2020-03-25 太平洋セメント株式会社 腐食センサおよびシース管継手部材
CN106225999A (zh) * 2016-08-15 2016-12-14 上海科勒电子科技有限公司 多点式探头及漏水传感器
EP3372986A1 (en) * 2017-03-08 2018-09-12 Ørsted Wind Power A/S Monitoring steel support structures for offshore wind turbines
DE102017118686A1 (de) 2017-08-16 2019-02-21 Aesculap Ag Verfahren zur Zustandserfassung an Passivierungsschichten einer Verkapselung
JP6827915B2 (ja) * 2017-12-18 2021-02-10 タツタ電線株式会社 液体検知センサおよび液体検知装置
FR3109443A1 (fr) * 2020-04-16 2021-10-22 Psa Automobiles Sa Système de detection d’une fuite de fluide
DE102020120682A1 (de) * 2020-08-05 2022-02-10 Innome Gmbh Dichtungsteil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564526A (en) * 1966-12-23 1971-02-16 Butts Ernest Otto Pipeline leak detection device
SU612102A1 (ru) * 1972-05-30 1978-06-25 Войсковая Часть 11284 Устройство обнаружени утечек в трубопроводах дл жидкости
US4041771A (en) * 1975-05-09 1977-08-16 Arthur D. Little, Inc. Temperature-sensitive detector
JPS54104017A (en) * 1978-02-01 1979-08-15 Chugoku Electric Power Co Ltd:The Leakage detector
US4206632A (en) * 1979-01-23 1980-06-10 Hirosuke Suzuki Liquid detecting device
JPS5766336A (en) * 1980-10-13 1982-04-22 Kouraku:Kk Detecting terminal tape for water leakage
JPS6086945U (ja) * 1983-11-18 1985-06-14 株式会社　潤工社 漏液センサ

Also Published As

Publication number Publication date
US4677373A (en) 1987-06-30
JPS6219748A (ja) 1987-01-28
DE3623872C2 (en]) 1990-01-04
DE3623872A1 (de) 1987-01-29

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