GB2226140A - Oil leakage sensor - Google Patents

Oil leakage sensor Download PDF

Info

Publication number
GB2226140A
GB2226140A GB8923055A GB8923055A GB2226140A GB 2226140 A GB2226140 A GB 2226140A GB 8923055 A GB8923055 A GB 8923055A GB 8923055 A GB8923055 A GB 8923055A GB 2226140 A GB2226140 A GB 2226140A
Authority
GB
United Kingdom
Prior art keywords
resistor
water
carbon particles
repellent
porous
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.)
Withdrawn
Application number
GB8923055A
Other languages
English (en)
Other versions
GB8923055D0 (en
Inventor
Hara Sachio
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 GB8923055D0 publication Critical patent/GB8923055D0/en
Publication of GB2226140A publication Critical patent/GB2226140A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • G01N27/126—Composition of the body, e.g. the composition of its sensitive layer comprising organic polymers
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Examining Or Testing Airtightness (AREA)
GB8923055A 1988-12-08 1989-10-13 Oil leakage sensor Withdrawn GB2226140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988159010U JPH0279453U (enExample) 1988-12-08 1988-12-08

Publications (2)

Publication Number Publication Date
GB8923055D0 GB8923055D0 (en) 1989-11-29
GB2226140A true GB2226140A (en) 1990-06-20

Family

ID=15684274

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8923055A Withdrawn GB2226140A (en) 1988-12-08 1989-10-13 Oil leakage sensor

Country Status (5)

Country Link
US (1) US4961064A (enExample)
EP (1) EP0372697A3 (enExample)
JP (1) JPH0279453U (enExample)
AU (1) AU4149789A (enExample)
GB (1) GB2226140A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001050117A1 (en) * 1999-12-30 2001-07-12 Cabot Corporation Sensors with improved properties
WO2001067086A1 (en) * 2000-03-06 2001-09-13 General Electric Company Coating materials for sensors and monitoring systems, methods for detecting using sensors and monitoring systems

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0227559U (enExample) * 1988-08-11 1990-02-22
JPH0752113B2 (ja) * 1990-05-08 1995-06-05 株式会社村田製作所 液面センサ
US5744701A (en) * 1995-01-20 1998-04-28 The Toro Company Electronic liquid leak detector
US6230089B1 (en) 1992-01-03 2001-05-08 The Toro Company Turf maintenance vehicle multiple controller method and apparatus
US5274335A (en) * 1992-04-06 1993-12-28 General Motors Corporation Oil sensor systems and methods of qualitatively determining oil type and condition
JPH0786493B2 (ja) * 1992-04-24 1995-09-20 松下電器産業株式会社 湿度センサー
US5578361A (en) * 1994-01-26 1996-11-26 Central Glass Company, Limited Water-repellent composite grains, method for producing same, and water-repellent article using same
US5402110A (en) * 1994-02-03 1995-03-28 Ransomes America Corporation Hydraulic fluid leak detection system and method
EP0741895B1 (en) * 1994-02-03 2002-11-27 Ransomes America Corporation Hydraulic fluid leak detection system and method
US5545473A (en) * 1994-02-14 1996-08-13 W. L. Gore & Associates, Inc. Thermally conductive interface
US5591034A (en) * 1994-02-14 1997-01-07 W. L. Gore & Associates, Inc. Thermally conductive adhesive interface
US5652055A (en) * 1994-07-20 1997-07-29 W. L. Gore & Associates, Inc. Matched low dielectric constant, dimensionally stable adhesive sheet
US5738936A (en) * 1996-06-27 1998-04-14 W. L. Gore & Associates, Inc. Thermally conductive polytetrafluoroethylene article
DE19638734C2 (de) * 1996-09-10 2000-05-11 Progeo Monitoring Gmbh Vorrichtung zur selektiven Detektion und zur Ortung von Leckageflüssigkeiten an Abdichtungssystemen
DE19708529C1 (de) * 1997-03-03 1998-07-30 Sze Spezial Elektronik Hagenuk Fluidsensor für flüssige und gasförmige organische Verbindungen sowie Verfahren zu seiner Herstellung
GB0113905D0 (en) * 2001-06-07 2001-08-01 Peratech Ltd Analytical device
CN101218013A (zh) * 2005-05-25 2008-07-09 戈尔企业控股股份有限公司 微孔基材上的多功能涂层
CN103969294B (zh) * 2013-01-25 2016-06-01 泰科电子(上海)有限公司 硅油检测器、电力终端组件和硅油检测器的使用方法
CA3055489A1 (en) 2017-03-06 2018-09-13 Uti Limited Partnership Device and method of manufacturing a device for detecting hydrocarbons

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210981A (en) * 1987-08-31 1989-06-21 Junkosha Co Ltd Oil leakage sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125822A (en) * 1972-10-23 1978-11-14 Benno Perren Probe for determining organic liquids
JPS5415435B2 (enExample) * 1974-07-13 1979-06-14
JPS5947256B2 (ja) * 1977-05-25 1984-11-17 株式会社潤工社 流体検知素子
US4600602A (en) * 1984-07-18 1986-07-15 Rohm And Haas Company Low resistance resistor compositions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210981A (en) * 1987-08-31 1989-06-21 Junkosha Co Ltd Oil leakage sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001050117A1 (en) * 1999-12-30 2001-07-12 Cabot Corporation Sensors with improved properties
US7501091B2 (en) 1999-12-30 2009-03-10 Smiths Detection Inc. Sensors with improved properties
WO2001067086A1 (en) * 2000-03-06 2001-09-13 General Electric Company Coating materials for sensors and monitoring systems, methods for detecting using sensors and monitoring systems
US6500547B1 (en) 2000-03-06 2002-12-31 General Electric Company Coating materials for sensors and monitoring systems, methods for detecting using sensors and monitoring systems

Also Published As

Publication number Publication date
JPH0279453U (enExample) 1990-06-19
EP0372697A3 (en) 1991-10-23
EP0372697A2 (en) 1990-06-13
AU4149789A (en) 1990-06-14
GB8923055D0 (en) 1989-11-29
US4961064A (en) 1990-10-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)