JPH0470572B2 - - Google Patents

Info

Publication number
JPH0470572B2
JPH0470572B2 JP62035353A JP3535387A JPH0470572B2 JP H0470572 B2 JPH0470572 B2 JP H0470572B2 JP 62035353 A JP62035353 A JP 62035353A JP 3535387 A JP3535387 A JP 3535387A JP H0470572 B2 JPH0470572 B2 JP H0470572B2
Authority
JP
Japan
Prior art keywords
liquid leakage
light
filter
liquid
sensor
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 - Lifetime
Application number
JP62035353A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63201546A (ja
Inventor
Kenichi Hayashida
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.)
Tsuden KK
Original Assignee
Tsuden KK
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 Tsuden KK filed Critical Tsuden KK
Priority to JP3535387A priority Critical patent/JPS63201546A/ja
Publication of JPS63201546A publication Critical patent/JPS63201546A/ja
Publication of JPH0470572B2 publication Critical patent/JPH0470572B2/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
    • G01M3/047—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 with photo-electrical detection means, e.g. using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Examining Or Testing Airtightness (AREA)
JP3535387A 1987-02-18 1987-02-18 漏液センサ Granted JPS63201546A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3535387A JPS63201546A (ja) 1987-02-18 1987-02-18 漏液センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3535387A JPS63201546A (ja) 1987-02-18 1987-02-18 漏液センサ

Publications (2)

Publication Number Publication Date
JPS63201546A JPS63201546A (ja) 1988-08-19
JPH0470572B2 true JPH0470572B2 (en]) 1992-11-11

Family

ID=12439504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3535387A Granted JPS63201546A (ja) 1987-02-18 1987-02-18 漏液センサ

Country Status (1)

Country Link
JP (1) JPS63201546A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005156541A (ja) * 2003-10-30 2005-06-16 Tsuuden:Kk 漏液センサ及び漏液検知システム

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4877728A (en) * 1988-03-28 1989-10-31 Miles Inc. Biotransformation of L-tyrosine and L-phenylalanine to 2,5-dihydroxyphenylacetic acid followed by polymerization to melanin pigments
JPH034244U (en]) * 1989-05-31 1991-01-17
JPH0690105B2 (ja) * 1989-08-07 1994-11-14 東光精機株式会社 油漏れ検出装置
US6484564B1 (en) * 2000-03-27 2002-11-26 Tsuden Kabushiki Kaisha Liquid leakage sensor, paper for detecting liquid leakage, and holder for detecting liquid leakage
DE10353241B3 (de) * 2003-11-13 2005-01-27 Wilhelm Malitsky Sensorsystem zur Detektion einer Flüssigkeit
JP5425532B2 (ja) * 2009-06-12 2014-02-26 株式会社ツーデン 漏液検知装置
CN108051151A (zh) * 2017-12-26 2018-05-18 圣象（江苏）木业研究有限公司 地板防渗水性测试方法
KR20240081876A (ko) * 2022-12-01 2024-06-10 오토센서코리아(주) 누유 감지 센서용 카트리지
KR20240081874A (ko) * 2022-12-01 2024-06-10 오토센서코리아(주) 누유 감지 센서 모듈

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5161877A (ja) * 1974-11-27 1976-05-28 Hitachi Ltd Roeikenshutsuki
JPS562904A (en) * 1979-06-21 1981-01-13 Unitika Ltd Antifouling composition against aquatic harmful organism and antifouling underwater material
JPS562902A (en) * 1979-06-22 1981-01-13 Showa Denko Kk Agricultural and horticultural germicide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005156541A (ja) * 2003-10-30 2005-06-16 Tsuuden:Kk 漏液センサ及び漏液検知システム

Also Published As

Publication number Publication date
JPS63201546A (ja) 1988-08-19

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Legal Events

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