JPS6242058U - - Google Patents

Info

Publication number
JPS6242058U
JPS6242058U JP13261385U JP13261385U JPS6242058U JP S6242058 U JPS6242058 U JP S6242058U JP 13261385 U JP13261385 U JP 13261385U JP 13261385 U JP13261385 U JP 13261385U JP S6242058 U JPS6242058 U JP S6242058U
Authority
JP
Japan
Prior art keywords
retainer
rubber plate
lower chamber
piezoelectric rubber
protrusion
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
JP13261385U
Other languages
English (en)
Other versions
JPH0241556Y2 (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 JP13261385U priority Critical patent/JPH0241556Y2/ja
Publication of JPS6242058U publication Critical patent/JPS6242058U/ja
Application granted granted Critical
Publication of JPH0241556Y2 publication Critical patent/JPH0241556Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例を示す断面図、第２図
は実施例の警報回路を示す図である。第３図イ，
ロは圧電ゴム板の図、第３図ハは櫛目電極の図、
第４図は従来の目詰まり警報装置の図である。 ７……ダイヤフラム、８……リテーナ、１０…
…圧電ゴム板、１１……櫛目電極、２０……警報
回路、Ｒ１……圧電ゴム板でなる可変抵抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. 大気に連通する上部室と、エアフイルタの下流
    側に連通する下部室とが弾性ダイヤフラムで区画
    されたケーシングを具え、下部室内に下面に突起
    を設けたリテーナを配設してその上面で前記ダイ
    ヤフラムを支持させ、下部室内に対向する１対の
    電極を配設してその上面を圧電ゴム板で被い前記
    リテーナの突起を前記圧電ゴム板上面に当接させ
    、かつケーシング外に設けた警報器と前記圧電ゴ
    ム板および電極とを含む警報回路を形成せしめて
    なる、目詰まり警報装置。
JP13261385U 1985-08-30 1985-08-30 Expired JPH0241556Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13261385U JPH0241556Y2 (ja) 1985-08-30 1985-08-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13261385U JPH0241556Y2 (ja) 1985-08-30 1985-08-30

Publications (2)

Publication Number Publication Date
JPS6242058U true JPS6242058U (ja) 1987-03-13
JPH0241556Y2 JPH0241556Y2 (ja) 1990-11-06

Family

ID=31032163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13261385U Expired JPH0241556Y2 (ja) 1985-08-30 1985-08-30

Country Status (1)

Country Link
JP (1) JPH0241556Y2 (ja)

Also Published As

Publication number Publication date
JPH0241556Y2 (ja) 1990-11-06

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