JPS629392U - - Google Patents

Info

Publication number
JPS629392U
JPS629392U JP9992885U JP9992885U JPS629392U JP S629392 U JPS629392 U JP S629392U JP 9992885 U JP9992885 U JP 9992885U JP 9992885 U JP9992885 U JP 9992885U JP S629392 U JPS629392 U JP S629392U
Authority
JP
Japan
Prior art keywords
center electrode
metal shell
light sensor
combustion
spark plug
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
JP9992885U
Other languages
English (en)
Other versions
JPH023273Y2 (ja
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 filed Critical
Priority to JP9992885U priority Critical patent/JPH023273Y2/ja
Publication of JPS629392U publication Critical patent/JPS629392U/ja
Application granted granted Critical
Publication of JPH023273Y2 publication Critical patent/JPH023273Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Description

【図面の簡単な説明】
第1図は本考案による燃焼光センサ組込式点火
栓の放電側端部分の縦断面図、第2図は従来の燃
焼光センサ組込式点火栓の側面方向部分断面図で
ある。 図中、1……中心電極、2……導光体、2a…
…受光面、3……外側電極、4……耐熱性バイン
ダー、5,6……貴金属製放電面、10……光電
素子、13……筒状絶縁体、14……主体金具、
A……放電間隙、b……断熱用筒状空隙。

Claims (1)

  1. 【実用新案登録請求の範囲】 棒状中心電極を包被する筒状絶縁体に主体金具
    を外嵌し、該主体金具に外側電極を取付けると共
    に、前記中心電極の軸芯部を貫く軸孔に、導光体
    の一端面を受光面とし他端面に光電素子を取付け
    た光センサを組付けた燃焼光センサ組込式点火栓
    において、 前記中心電極と前記筒状絶縁体との接触界面の
    うち、少なくとも燃焼室壁の内側に位置する部分
    に断熱用筒状空隙を設けると共に、前記中心電極
    と前記外側電極との少なくとも一方の放電面が、
    白金等の貴金属材料で構成されていることを特徴
    とする燃焼光センサ組込式点火栓。
JP9992885U 1985-06-29 1985-06-29 Expired JPH023273Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9992885U JPH023273Y2 (ja) 1985-06-29 1985-06-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9992885U JPH023273Y2 (ja) 1985-06-29 1985-06-29

Publications (2)

Publication Number Publication Date
JPS629392U true JPS629392U (ja) 1987-01-20
JPH023273Y2 JPH023273Y2 (ja) 1990-01-25

Family

ID=30969261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9992885U Expired JPH023273Y2 (ja) 1985-06-29 1985-06-29

Country Status (1)

Country Link
JP (1) JPH023273Y2 (ja)

Also Published As

Publication number Publication date
JPH023273Y2 (ja) 1990-01-25

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