JPS6138538U - Oil leak detection sensor - Google Patents

Oil leak detection sensor

Info

Publication number
JPS6138538U
JPS6138538U JP12337884U JP12337884U JPS6138538U JP S6138538 U JPS6138538 U JP S6138538U JP 12337884 U JP12337884 U JP 12337884U JP 12337884 U JP12337884 U JP 12337884U JP S6138538 U JPS6138538 U JP S6138538U
Authority
JP
Japan
Prior art keywords
detection sensor
leak detection
oil leak
notches
oil
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.)
Pending
Application number
JP12337884U
Other languages
Japanese (ja)
Inventor
賢二 八木
康二 足立
Original Assignee
昭和電線電纜株式会社
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 昭和電線電纜株式会社 filed Critical 昭和電線電纜株式会社
Priority to JP12337884U priority Critical patent/JPS6138538U/en
Publication of JPS6138538U publication Critical patent/JPS6138538U/en
Pending legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る油漏れ検出皐ンサの平面図、第２
図は第１図の部分拡大正面図、第３図は本考案に係る油
漏れ検出セシサのターン部径と光減衰量との関係を表わ
す線図である。 １・・・・・・保護板、２・・・・・・ポリマークラッ
ドファイバ、２ａ・・・・・・ターン部、３・・・・・
・アクリル板、３ａ・・・・・・切欠部、５・・・・・
・間隙。Figure 1 is a plan view of the oil leak detection sensor according to the present invention;
The figure is a partially enlarged front view of FIG. 1, and FIG. 3 is a diagram showing the relationship between the turn diameter and the amount of optical attenuation of the oil leak detection sensor according to the present invention. 1... Protective plate, 2... Polymer clad fiber, 2a... Turn part, 3...
・Acrylic plate, 3a... Notch, 5...
·gap.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 石英コアを有するポリマークラツドファイバと、該ファ
イバが収納される保護板とを備え、前記ポリマークラツ
ドファ才バは前記保護板に少なくとも一ターン巻回した
状態で配設され、前記保護板は前記ポリマークラツドフ
ァイ）くのターン部の周面を複数個所で露出させる複数
の切欠部を有し、該各切欠部には、漏油を前記保護板内
に導きかつ前記ターン部の非露出周面に拡散させるため
の間隙が設けられていることを特徴とする油漏れ検出セ
ンサ。comprising a polymer clad fiber having a quartz core and a protection plate in which the fiber is housed; The polymer cladding has a plurality of notches that expose the circumferential surface of the turn portion at a plurality of locations, and each of the notches has a plurality of notches that guide leaked oil into the protection plate and prevent the turn portion from being exposed. An oil leak detection sensor characterized by having a gap provided around the circumference for oil diffusion.
JP12337884U 1984-08-11 1984-08-11 Oil leak detection sensor Pending JPS6138538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12337884U JPS6138538U (en) 1984-08-11 1984-08-11 Oil leak detection sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12337884U JPS6138538U (en) 1984-08-11 1984-08-11 Oil leak detection sensor

Publications (1)

Publication Number Publication Date
JPS6138538U true JPS6138538U (en) 1986-03-11

Family

ID=30682126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12337884U Pending JPS6138538U (en) 1984-08-11 1984-08-11 Oil leak detection sensor

Country Status (1)

Country Link
JP (1) JPS6138538U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01102728U (en) * 1987-12-26 1989-07-11
WO2007108095A1 (en) * 2006-03-20 2007-09-27 The Tokyo Electric Power Company, Incorporated Optical oil detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01102728U (en) * 1987-12-26 1989-07-11
WO2007108095A1 (en) * 2006-03-20 2007-09-27 The Tokyo Electric Power Company, Incorporated Optical oil detector

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