JPH0167461U - - Google Patents

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Publication number
JPH0167461U
JPH0167461U JP1987162583U JP16258387U JPH0167461U JP H0167461 U JPH0167461 U JP H0167461U JP 1987162583 U JP1987162583 U JP 1987162583U JP 16258387 U JP16258387 U JP 16258387U JP H0167461 U JPH0167461 U JP H0167461U
Authority
JP
Japan
Prior art keywords
conduit
flame detector
light receiving
flow path
section
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
JP1987162583U
Other languages
English (en)
Other versions
JPH0539303Y2 (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 JP1987162583U priority Critical patent/JPH0539303Y2/ja
Publication of JPH0167461U publication Critical patent/JPH0167461U/ja
Application granted granted Critical
Publication of JPH0539303Y2 publication Critical patent/JPH0539303Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案に係る火炎検出器の構成を示す
説明図、第２図は第１図の導管とノズルの要部拡
大断面図、第３図は本考案の火炎検出器と従来の
火炎検出器の使用時間に対する受光量の変化を比
率で示す特性図、第４図は従来の火炎検出器の構
成を示す説明図である。 １……火炎、２……バーナガン、３……炉壁、
４……風箱、５……光フアイバ、６……信号線光
フアイバ、７……リールユニツト、８……導管、
９……ボイラ火炉、１０……空気口、１１……導
入口、１２……燃料、１３……受光部、１００…
…ノズル、１０１……ノド部、１０２……テーパ
部、１０３……開口部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 導管内に収容した光フアイバの端末受光部と、
    前記導管内に冷却空気流を形成する流路とを備え
    、燃焼炉内の火炎形成の有無を検出する火炎検出
    器において、前記受光部直近の前記流路断面が収
    縮するノド部と、前記ノド部から末広がりに断面
    が拡大するテーパ部とを有するノズルを、前記導
    管の先端に設けていることを特徴とする火炎検出
    器。
JP1987162583U 1987-10-26 1987-10-26 Expired - Lifetime JPH0539303Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987162583U JPH0539303Y2 (ja) 1987-10-26 1987-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987162583U JPH0539303Y2 (ja) 1987-10-26 1987-10-26

Publications (2)

Publication Number Publication Date
JPH0167461U true JPH0167461U (ja) 1989-04-28
JPH0539303Y2 JPH0539303Y2 (ja) 1993-10-05

Family

ID=31446539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987162583U Expired - Lifetime JPH0539303Y2 (ja) 1987-10-26 1987-10-26

Country Status (1)

Country Link
JP (1) JPH0539303Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831870A (ja) * 1971-08-27 1973-04-26
JPS5522366U (ja) * 1978-07-31 1980-02-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831870A (ja) * 1971-08-27 1973-04-26
JPS5522366U (ja) * 1978-07-31 1980-02-13

Also Published As

Publication number Publication date
JPH0539303Y2 (ja) 1993-10-05

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