JPH0171280U - - Google Patents

Info

Publication number
JPH0171280U
JPH0171280U JP1987166366U JP16636687U JPH0171280U JP H0171280 U JPH0171280 U JP H0171280U JP 1987166366 U JP1987166366 U JP 1987166366U JP 16636687 U JP16636687 U JP 16636687U JP H0171280 U JPH0171280 U JP H0171280U
Authority
JP
Japan
Prior art keywords
base
blade
backflow prevention
prevention damper
rotatably supported
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
JP1987166366U
Other languages
English (en)
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 JP1987166366U priority Critical patent/JPH0171280U/ja
Publication of JPH0171280U publication Critical patent/JPH0171280U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Air-Flow Control Members (AREA)
  • Check Valves (AREA)

Description

【図面の簡単な説明】
第1図は本考案の要部を示した斜視図、第2図
は翼の断面図、第3図は翼の寸法緒元を示した説
明図、第4図はダンパ開度とフラツプ角度との関
係を示したグラフ、第5図の逆流防止ダンパの正
面図、第6図は第5図は側面図、第7図は逆流防
止ダンパを水平配置した概略図、第8図は同じく
垂直配置した概略図、第9図は従来の逆流防止ダ
ンパを示した断面図である。 F……送風機、D……逆流防止ダンパ、11…
…ケーシング、12……翼、12a……基部、1
2b……先端部、12d……可撓性厚膜、13…
…回転軸、17……リターン機構。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複数の可動翼から成る逆流防止ダンパにおいて
    、各翼の基部を回動自在に枢支するとともに互い
    に隣接する翼の基部と先端部を気流の流れ方向に
    沿つて上記順に重ね合わせ、かつ各翼の先端部を
    隣接翼の基部側に折曲あるいは湾曲させ、フラツ
    プ状に形成したことを特徴とする逆流防止ダンパ
JP1987166366U 1987-10-30 1987-10-30 Pending JPH0171280U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987166366U JPH0171280U (ja) 1987-10-30 1987-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987166366U JPH0171280U (ja) 1987-10-30 1987-10-30

Publications (1)

Publication Number Publication Date
JPH0171280U true JPH0171280U (ja) 1989-05-12

Family

ID=31453680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987166366U Pending JPH0171280U (ja) 1987-10-30 1987-10-30

Country Status (1)

Country Link
JP (1) JPH0171280U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566456U (ja) * 1992-02-10 1993-09-03 新日本空調株式会社 空調用逆流防止ダンパー

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566456U (ja) * 1992-02-10 1993-09-03 新日本空調株式会社 空調用逆流防止ダンパー

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