DE3623872A1 - Sensor zur erfassung einer leckage einer korrosiven fluessigkeit - Google Patents

Sensor zur erfassung einer leckage einer korrosiven fluessigkeit

Info

Publication number
DE3623872A1
DE3623872A1 DE3623872A DE3623872A DE3623872A1 DE 3623872 A1 DE3623872 A1 DE 3623872A1 DE 3623872 A DE3623872 A DE 3623872A DE 3623872 A DE3623872 A DE 3623872A DE 3623872 A1 DE3623872 A1 DE 3623872A1
Authority
DE
Germany
Prior art keywords
sensor
electrodes
holes
liquid
corrosive liquid
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
DE3623872A
Other languages
German (de)
English (en)
Other versions
DE3623872C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Saturo Kobayashi
Satoshi 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
Publication of DE3623872A1 publication Critical patent/DE3623872A1/de
Application granted granted Critical
Publication of DE3623872C2 publication Critical patent/DE3623872C2/de
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)
DE3623872A 1985-07-18 1986-07-15 Sensor zur erfassung einer leckage einer korrosiven fluessigkeit Granted DE3623872A1 (de)

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
DE3623872A1 true DE3623872A1 (de) 1987-01-29
DE3623872C2 DE3623872C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-04

Family

ID=15641171

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3623872A Granted DE3623872A1 (de) 1985-07-18 1986-07-15 Sensor zur erfassung einer leckage einer korrosiven fluessigkeit

Country Status (3)

Country Link
US (1) US4677373A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6219748A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3623872A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0313264A1 (en) * 1987-10-16 1989-04-26 Junkosha Co. Ltd. A liquid leakage sensor
EP0342013A3 (en) * 1988-05-13 1990-06-27 Junkosha Co. Ltd. Fluid leakage sensor
DE8717943U1 (de) 1986-11-20 1991-08-08 Reinecker, Heyko, 7800 Freiburg Pumpe mit Spaltrohrmotor- oder Spaltrohrmagnetkupplungsantrieb
EP0391580A3 (en) * 1989-04-04 1991-10-02 W.L. GORE & ASSOCIATES (UK) LTD A solvent responsive signal-carrying device
DE102017118686A1 (de) * 2017-08-16 2019-02-21 Aesculap Ag Verfahren zur Zustandserfassung an Passivierungsschichten einer Verkapselung

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0227559U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1988-08-11 1990-02-22
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
AU2002343030A1 (en) * 2001-11-21 2003-06-10 Before-The-Even Ltd. A liquid leak multi-layer detector
US6865941B2 (en) * 2001-11-21 2005-03-15 Before-The-Event, Ltd. Liquid leak 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
WO2011019888A1 (en) * 2009-08-13 2011-02-17 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.
JP6116578B2 (ja) * 2011-12-29 2017-04-19 エスセーアー・ハイジーン・プロダクツ・アーベー 水分検出器を備える吸収性物品
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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5766336A (en) * 1980-10-13 1982-04-22 Kouraku:Kk Detecting terminal tape for water leakage
DE3441924A1 (de) * 1983-11-18 1985-05-30 Junkosha Co. Ltd., Tokio/Tokyo Fluessigkeits-leckanzeigevorrichtung

Family Cites Families (5)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5766336A (en) * 1980-10-13 1982-04-22 Kouraku:Kk Detecting terminal tape for water leakage
DE3441924A1 (de) * 1983-11-18 1985-05-30 Junkosha Co. Ltd., Tokio/Tokyo Fluessigkeits-leckanzeigevorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patents Abstracts of Japan & JP-A-57 066336 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8717943U1 (de) 1986-11-20 1991-08-08 Reinecker, Heyko, 7800 Freiburg Pumpe mit Spaltrohrmotor- oder Spaltrohrmagnetkupplungsantrieb
DE8717950U1 (de) * 1986-11-20 1991-08-29 Reinecker, Heyko, 7800 Freiburg Pumpe mit einem Spaltrohrmagnetkupplungsantrieb
EP0313264A1 (en) * 1987-10-16 1989-04-26 Junkosha Co. Ltd. A liquid leakage sensor
EP0342013A3 (en) * 1988-05-13 1990-06-27 Junkosha Co. Ltd. Fluid leakage sensor
EP0391580A3 (en) * 1989-04-04 1991-10-02 W.L. GORE & ASSOCIATES (UK) LTD A solvent responsive signal-carrying device
DE102017118686A1 (de) * 2017-08-16 2019-02-21 Aesculap Ag Verfahren zur Zustandserfassung an Passivierungsschichten einer Verkapselung
US11307113B2 (en) 2017-08-16 2022-04-19 Aesculap Ag Method and device for determining the status of passivation layers of an encapsulation

Also Published As

Publication number Publication date
US4677373A (en) 1987-06-30
DE3623872C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-04
JPS6219748A (ja) 1987-01-28
JPH0445096B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-23

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G01M 3/16

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee