JPH0244634U - - Google Patents

Info

Publication number
JPH0244634U
JPH0244634U JP12378588U JP12378588U JPH0244634U JP H0244634 U JPH0244634 U JP H0244634U JP 12378588 U JP12378588 U JP 12378588U JP 12378588 U JP12378588 U JP 12378588U JP H0244634 U JPH0244634 U JP H0244634U
Authority
JP
Japan
Prior art keywords
duct
air
intake port
square
shape
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
JP12378588U
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 JP12378588U priority Critical patent/JPH0244634U/ja
Publication of JPH0244634U publication Critical patent/JPH0244634U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を模式的に示す構成
図、第2図は第1図の吸込および排風ダクトの第
一の実施例の傾視図、第3図は、第1図の吸込お
よび排風ダクトの第二の実施例の傾視図、第4図
は従来の強制空冷システムを模式的に示す構成図
である。 1…送風機、2…発熱体、3…吸込ダクト、4
…排風ダクト、5…筐体、6…受音点、7…冷却
空気、11…排風、12…吸風口、13…排風口

Claims (1)

    【実用新案登録請求の範囲】
  1. 発熱体を強制空冷する強制空冷システムのダク
    ト構造において、吸風口および排風口の少なくと
    も一方の断面形状を前記吸風口および排風口近傍
    で発生する騒音の最大値の中心周波数における波
    長より大なる直形もしくは縦横積の平方で示され
    る円形もしくは方形を含む矩形としかつ30度以
    下の傾斜角で吸込ダクトもしくは排風ダクト本体
    と結合して拡大した開口部を有することを特徴と
    する低騒音型のダクト構造。
JP12378588U 1988-09-20 1988-09-20 Pending JPH0244634U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12378588U JPH0244634U (ja) 1988-09-20 1988-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12378588U JPH0244634U (ja) 1988-09-20 1988-09-20

Publications (1)

Publication Number Publication Date
JPH0244634U true JPH0244634U (ja) 1990-03-27

Family

ID=31372956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12378588U Pending JPH0244634U (ja) 1988-09-20 1988-09-20

Country Status (1)

Country Link
JP (1) JPH0244634U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014163570A (ja) * 2013-02-25 2014-09-08 Panasonic Corp レンジフード

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014163570A (ja) * 2013-02-25 2014-09-08 Panasonic Corp レンジフード

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