CA1276260C - Liquid leak sensor with spacer - Google Patents

Liquid leak sensor with spacer

Info

Publication number
CA1276260C
CA1276260C CA000576721A CA576721A CA1276260C CA 1276260 C CA1276260 C CA 1276260C CA 000576721 A CA000576721 A CA 000576721A CA 576721 A CA576721 A CA 576721A CA 1276260 C CA1276260 C CA 1276260C
Authority
CA
Canada
Prior art keywords
sensor
conductors
strip
spacers
insulation
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 - Fee Related
Application number
CA000576721A
Other languages
English (en)
French (fr)
Inventor
Juji Akiba
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
Application granted granted Critical
Publication of CA1276260C publication Critical patent/CA1276260C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
CA000576721A 1987-09-04 1988-09-02 Liquid leak sensor with spacer Expired - Fee Related CA1276260C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62-136052 1987-09-04
JP1987136052U JPS6440057U (US06521211-20030218-C00004.png) 1987-09-04 1987-09-04

Publications (1)

Publication Number Publication Date
CA1276260C true CA1276260C (en) 1990-11-13

Family

ID=15166056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000576721A Expired - Fee Related CA1276260C (en) 1987-09-04 1988-09-02 Liquid leak sensor with spacer

Country Status (6)

Country Link
US (1) US4843305A (US06521211-20030218-C00004.png)
EP (1) EP0306239A3 (US06521211-20030218-C00004.png)
JP (1) JPS6440057U (US06521211-20030218-C00004.png)
KR (1) KR910004395Y1 (US06521211-20030218-C00004.png)
CA (1) CA1276260C (US06521211-20030218-C00004.png)
GB (1) GB2209604A (US06521211-20030218-C00004.png)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285847A (ja) * 1988-05-13 1989-11-16 Junkosha Co Ltd 流体検知センサ
GB2235535A (en) * 1989-08-07 1991-03-06 Ian Stewart Continuous moisture detection, locating and monitoring apparatus
US5190069A (en) * 1992-04-27 1993-03-02 Richards Raymond C Apparatus and method for detecting leaks
US5504433A (en) * 1992-10-23 1996-04-02 International Fuel Cells Corporation Electrochemical sensor for monitoring electrolyte content
GB2275555A (en) * 1993-02-25 1994-08-31 Northern Telecom Ltd Sensor cable
US5710989A (en) * 1993-09-03 1998-01-20 Acr Electronics, Inc. Water-activated emergency radio beacon
DE4334550A1 (de) * 1993-10-11 1995-04-13 Bayer Ag Vorrichtung zur Detektion von Leckagen an frei verlegbaren, oberirdischen Rohrleitungen
US5661405A (en) * 1995-11-06 1997-08-26 Simon; Jay S. Elongate sensor having polymeric electrodes filled with conductive particles and having braided sleeves
US6147613A (en) * 1998-06-18 2000-11-14 Doumit; Joseph Early warning water leak detection system
US6175310B1 (en) 1999-05-10 2001-01-16 Richard J. Gott Leak detection tape
US6292102B1 (en) * 1999-07-22 2001-09-18 Bed-Check Corporation Apparatus for detecting enuresis in a patient
US6978659B2 (en) * 2003-12-24 2005-12-27 Itt Manufacturing Enterprises Appliance leak detector and inline shutoff
US7454955B2 (en) * 2004-10-29 2008-11-25 Hewlett-Packard Development Company, L.P. Leak detection structure
EP2330397B1 (en) * 2009-12-03 2018-02-21 Ttk Cable, module and installation for the detection and the localization of conductive liquid leaks.
US10487480B2 (en) 2015-11-03 2019-11-26 Monk Intellectual Properties, Llc Water leak detection and prevention device
US10876646B2 (en) 2015-11-03 2020-12-29 Monk Intellectual Properties, Llc Leak detection and prevention device
GB2552304A (en) * 2016-07-11 2018-01-24 Birkin Jeffrey Control device
US11137314B2 (en) * 2018-03-07 2021-10-05 Steering Solutions Ip Holding Corporation Water intrusion detection
WO2020252426A1 (en) 2019-06-14 2020-12-17 Pica Product Development, Llc Flat flexible conductive fluid sensor cable and connector
US11761843B2 (en) 2019-06-14 2023-09-19 Pica Product Development, Llc Flat flexible conductive fluid sensor cable and connector
US10900859B2 (en) 2019-06-14 2021-01-26 Pica Product Development, Llc Conductive fluid sensor cable
KR102176165B1 (ko) * 2020-02-04 2020-11-09 성백명 케이블형 누액감지센서
RU2771216C1 (ru) * 2021-04-08 2022-04-28 Общество с ограниченной ответственностью "Смарт Девайс Менеджер" Датчик контроля протечки электропроводящей жидкости

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1540626A1 (de) * 1965-12-23 1970-01-22 Siemens Ag Meldeleiterpaar zur UEberwachung von Kabeln oder Leitungen gegenueber dem Eindringen von Feuchtigkeit,insbesondere von kunststoffisolierten Nachrichtenkabeln
US3824460A (en) * 1973-04-02 1974-07-16 R Gustafson Leakage sensor
SE414532B (sv) * 1979-06-18 1980-08-04 Blom H Anordning vid en fjerrvermeledning samt sett att framstella en sadan anordning
US4319232A (en) * 1980-03-19 1982-03-09 Westphal Frank C Liquid leakage detector
CA1134920A (en) * 1980-04-30 1982-11-02 David E. Vokey Cable assembly for detecting the ingress of water inside a cable
JPS60338A (ja) * 1983-06-16 1985-01-05 Junkosha Co Ltd 漏液検知装置
JPS60146127A (ja) * 1984-01-11 1985-08-01 Toshiba Corp 液圧操作装置の液漏れ検出装置
US4598277A (en) * 1984-07-30 1986-07-01 Chevron Research Company Water detection subassemblies and method of forming same, for use in computer processing centers
JPS6190048A (ja) * 1984-10-09 1986-05-08 Junkosha Co Ltd 漏液検知センサ

Also Published As

Publication number Publication date
KR910004395Y1 (ko) 1991-06-29
GB8820371D0 (en) 1988-09-28
KR900001192U (ko) 1990-01-18
EP0306239A3 (en) 1989-08-30
EP0306239A2 (en) 1989-03-08
JPS6440057U (US06521211-20030218-C00004.png) 1989-03-09
GB2209604A (en) 1989-05-17
US4843305A (en) 1989-06-27

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