JPS5479695A - Leak oil detecting apparatus - Google Patents

Leak oil detecting apparatus

Info

Publication number
JPS5479695A
JPS5479695A JP14692177A JP14692177A JPS5479695A JP S5479695 A JPS5479695 A JP S5479695A JP 14692177 A JP14692177 A JP 14692177A JP 14692177 A JP14692177 A JP 14692177A JP S5479695 A JPS5479695 A JP S5479695A
Authority
JP
Japan
Prior art keywords
oil
detector
gap
optical fibers
leak
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
JP14692177A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6252250B2 (enrdf_load_stackoverflow
Inventor
Kimiharu Kanamaru
Hiroshi Kajio
Shunei Kashima
Yorio Ando
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP14692177A priority Critical patent/JPS5479695A/ja
Publication of JPS5479695A publication Critical patent/JPS5479695A/ja
Publication of JPS6252250B2 publication Critical patent/JPS6252250B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Examining Or Testing Airtightness (AREA)
JP14692177A 1977-12-07 1977-12-07 Leak oil detecting apparatus Granted JPS5479695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14692177A JPS5479695A (en) 1977-12-07 1977-12-07 Leak oil detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14692177A JPS5479695A (en) 1977-12-07 1977-12-07 Leak oil detecting apparatus

Publications (2)

Publication Number Publication Date
JPS5479695A true JPS5479695A (en) 1979-06-25
JPS6252250B2 JPS6252250B2 (enrdf_load_stackoverflow) 1987-11-04

Family

ID=15418571

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14692177A Granted JPS5479695A (en) 1977-12-07 1977-12-07 Leak oil detecting apparatus

Country Status (1)

Country Link
JP (1) JPS5479695A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140143A (ja) * 1983-12-08 1985-07-25 ヘキスト・アクチエンゲゼルシヤフト 僅かな検査量のための光度計のヘッド
JP2009115698A (ja) * 2007-11-08 2009-05-28 Suzuki Giken:Kk 光ファイバセンサ
EP2265929A1 (en) * 2008-02-25 2010-12-29 NKT Flexibles I/S A pipe system, a fluid sensing system for a pipe system, and a method of determining a fluid component in an annulus cavity of a pipe
EP3220132A1 (de) * 2016-03-18 2017-09-20 Dräger Safety AG & Co. KGaA In-situ-gasmesssystem für gasreaktoren mit kritischen umgebungen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884595A (enrdf_load_stackoverflow) * 1972-02-10 1973-11-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884595A (enrdf_load_stackoverflow) * 1972-02-10 1973-11-09

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140143A (ja) * 1983-12-08 1985-07-25 ヘキスト・アクチエンゲゼルシヤフト 僅かな検査量のための光度計のヘッド
JP2009115698A (ja) * 2007-11-08 2009-05-28 Suzuki Giken:Kk 光ファイバセンサ
EP2265929A1 (en) * 2008-02-25 2010-12-29 NKT Flexibles I/S A pipe system, a fluid sensing system for a pipe system, and a method of determining a fluid component in an annulus cavity of a pipe
US8593636B2 (en) 2008-02-25 2013-11-26 National Oilwell Varco Denmark I/S Pipe system, a fluid sensing system for a pipe system, and a method of determining a fluid component in an annulus cavity of a pipe
EP3220132A1 (de) * 2016-03-18 2017-09-20 Dräger Safety AG & Co. KGaA In-situ-gasmesssystem für gasreaktoren mit kritischen umgebungen

Also Published As

Publication number Publication date
JPS6252250B2 (enrdf_load_stackoverflow) 1987-11-04

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