CA1304470C - Solvent leak detecting sensor - Google Patents
Solvent leak detecting sensorInfo
- Publication number
- CA1304470C CA1304470C CA000605955A CA605955A CA1304470C CA 1304470 C CA1304470 C CA 1304470C CA 000605955 A CA000605955 A CA 000605955A CA 605955 A CA605955 A CA 605955A CA 1304470 C CA1304470 C CA 1304470C
- Authority
- CA
- Canada
- Prior art keywords
- solvent
- conductor
- water
- layer
- detected
- 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
Links
- 239000002904 solvent Substances 0.000 title claims abstract description 56
- 239000004020 conductor Substances 0.000 claims abstract description 56
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000005871 repellent Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 8
- 239000012777 electrically insulating material Substances 0.000 claims abstract description 3
- 239000003973 paint Substances 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 14
- 230000035945 sensitivity Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SFNPDDSJBGRXLW-UHFFFAOYSA-N (3-methylsulfanylbutan-2-ylideneamino) n-methylcarbamate Chemical compound CNC(=O)ON=C(C)C(C)SC SFNPDDSJBGRXLW-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- -1 sodium chloride Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (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)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPSHO-63-105379 | 1988-08-11 | ||
| JP1988105379U JPH0227560U (en, 2012) | 1988-08-11 | 1988-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1304470C true CA1304470C (en) | 1992-06-30 |
Family
ID=14406049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000605955A Expired - Fee Related CA1304470C (en) | 1988-08-11 | 1989-07-18 | Solvent leak detecting sensor |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4896527A (en, 2012) |
| EP (1) | EP0354673B1 (en, 2012) |
| JP (1) | JPH0227560U (en, 2012) |
| AT (1) | ATE86032T1 (en, 2012) |
| AU (1) | AU612867B2 (en, 2012) |
| CA (1) | CA1304470C (en, 2012) |
| DE (1) | DE68905007T2 (en, 2012) |
| GB (1) | GB2221781A (en, 2012) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2230631B (en) * | 1989-04-04 | 1993-03-03 | Gore & Ass | A solvent responsive signal-carrying device |
| US5658277A (en) * | 1990-05-25 | 1997-08-19 | Novatec Medical Products, Inc. | Apparatus for electrical connection of glove monitor to patient |
| US5361030A (en) * | 1990-10-22 | 1994-11-01 | Horiba, Ltd. | Leak detector for electro-magnetic induction-type conductivity meter |
| US5177996A (en) * | 1991-11-21 | 1993-01-12 | W. L. Gore & Associates, Inc. | Liquid leak detection cable |
| US5203202A (en) * | 1992-02-25 | 1993-04-20 | W. L. Gore & Associates, Inc. | Apparatus for detecting leaks in circuits |
| US5355720A (en) * | 1992-06-04 | 1994-10-18 | Perma-Pipe, Inc. | Corrosion resistant cable |
| US5574377A (en) * | 1994-08-10 | 1996-11-12 | Marquez-Lucero; Alfredo | Device for the detection and localization of organic solvent leakages and fabrication process |
| US5560051A (en) * | 1995-02-03 | 1996-10-01 | Butts; Becky | Toilet training device |
| US6175310B1 (en) | 1999-05-10 | 2001-01-16 | Richard J. Gott | Leak detection tape |
| US6877359B2 (en) * | 2001-11-30 | 2005-04-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | Liquid leak detection |
| DE10249787A1 (de) * | 2002-10-24 | 2004-05-13 | Körber, Karin | System mit Sensoren zur Detektion und Ortung einer Benetzung von Flächen mit flüssigen Medien und Sensoren |
| US6826948B1 (en) * | 2003-10-09 | 2004-12-07 | Delphi Technologies, Inc. | Leak detection apparatus for a liquid circulation cooling system |
| US20100127460A1 (en) * | 2008-11-26 | 2010-05-27 | Odyssian Technology, Llc | Seals with integrated leak detection capability |
| 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 |
| CN110736355A (zh) * | 2019-11-01 | 2020-01-31 | 唐山钢铁集团有限责任公司 | 喷冷风机换热器漏水检测系统 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8427528U1 (de) * | 1985-01-17 | Issel, Wolfgang, Dipl.-Phys. Dr.-Ing., 7500 Karlsruhe | Hohle Leitung zur Anwendung bei der Bestimmung von Konzentrationsprofilen flüssiger oder gasförmiger Stoffe | |
| US3600674A (en) * | 1969-04-02 | 1971-08-17 | Chevron Res | Method of determining leaks from buried pipelines using a time-sharing transmission line |
| IT995911B (it) * | 1972-10-23 | 1975-11-20 | Perren B | Scandaglio per l accertamento di liquidi organici |
| CA978614A (en) * | 1973-07-19 | 1975-11-25 | Stanley Wolkowski | Leak detection cable |
| JPS581379B2 (ja) * | 1974-10-08 | 1983-01-11 | ミズオチ シヨウケン | リユウタイケンチケ−ブル |
| US4206632A (en) * | 1979-01-23 | 1980-06-10 | Hirosuke Suzuki | Liquid detecting device |
| JPS573166A (en) * | 1980-06-09 | 1982-01-08 | Nec Corp | Time-series pattern extracting and converting device |
| JPS60146127A (ja) * | 1984-01-11 | 1985-08-01 | Toshiba Corp | 液圧操作装置の液漏れ検出装置 |
| JPS6190048A (ja) * | 1984-10-09 | 1986-05-08 | Junkosha Co Ltd | 漏液検知センサ |
| US4631952A (en) * | 1985-08-30 | 1986-12-30 | Chevron Research Company | Resistive hydrocarbon leak detector |
| US4918977A (en) * | 1986-09-30 | 1990-04-24 | Tatsuta Electric Wire And Cable Co., Ltd. | Liquid leakage detector line |
| JPH0181550U (en, 2012) * | 1987-11-20 | 1989-05-31 | ||
| JPH01163860U (en, 2012) * | 1988-05-09 | 1989-11-15 | ||
| JPH01163861U (en, 2012) * | 1988-05-09 | 1989-11-15 |
-
1988
- 1988-08-11 JP JP1988105379U patent/JPH0227560U/ja active Pending
-
1989
- 1989-07-14 US US07/380,087 patent/US4896527A/en not_active Expired - Fee Related
- 1989-07-18 AU AU38224/89A patent/AU612867B2/en not_active Ceased
- 1989-07-18 CA CA000605955A patent/CA1304470C/en not_active Expired - Fee Related
- 1989-07-19 GB GB8916491A patent/GB2221781A/en not_active Withdrawn
- 1989-07-19 AT AT89307328T patent/ATE86032T1/de not_active IP Right Cessation
- 1989-07-19 DE DE8989307328T patent/DE68905007T2/de not_active Expired - Fee Related
- 1989-07-19 EP EP89307328A patent/EP0354673B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0354673A3 (en) | 1990-05-23 |
| DE68905007T2 (de) | 1993-06-17 |
| AU612867B2 (en) | 1991-07-18 |
| AU3822489A (en) | 1990-02-15 |
| DE68905007D1 (de) | 1993-04-01 |
| ATE86032T1 (de) | 1993-03-15 |
| US4896527A (en) | 1990-01-30 |
| JPH0227560U (en, 2012) | 1990-02-22 |
| EP0354673A2 (en) | 1990-02-14 |
| EP0354673B1 (en) | 1993-02-24 |
| GB8916491D0 (en) | 1989-09-06 |
| GB2221781A (en) | 1990-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |