JPS616129U - Outside wind prevention device - Google Patents

Outside wind prevention device

Info

Publication number
JPS616129U
JPS616129U JP6267185U JP6267185U JPS616129U JP S616129 U JPS616129 U JP S616129U JP 6267185 U JP6267185 U JP 6267185U JP 6267185 U JP6267185 U JP 6267185U JP S616129 U JPS616129 U JP S616129U
Authority
JP
Japan
Prior art keywords
air supply
passage
exhaust
exhaust passage
supply passage
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
JP6267185U
Other languages
Japanese (ja)
Other versions
JPS634911Y2 (en
Inventor
信二 小川
Original Assignee
松下精工株式会社
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 by 松下精工株式会社 filed Critical 松下精工株式会社
Priority to JP6267185U priority Critical patent/JPS616129U/en
Publication of JPS616129U publication Critical patent/JPS616129U/en
Application granted granted Critical
Publication of JPS634911Y2 publication Critical patent/JPS634911Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来例における換気扇にフードを取付けた場合
の斜視図、第２図は別の従来例における換気扇に電気式
シャッタを取付けた場合の斜視図、第３図は本考案の一
実施例による外風防止装置を示す斜視図である。 １・・・・・・枠体、１９．１９’・・・・・・仕切板
、２ｏ・・・・・・排気通路、２１・・・・・・給気通
路、２２・・・・・・シャツタ板、２３・・・・・・シ
ャッタ回転軸。Figure 1 is a perspective view of a conventional ventilation fan with a hood attached, Figure 2 is another conventional ventilation fan with an electric shutter attached, and Figure 3 is an embodiment of the present invention. It is a perspective view showing an outside wind prevention device by. 1...Frame body, 19.19'...Partition plate, 2o...Exhaust passage, 21...Air supply passage, 22...・Shutter plate, 23...Shutter rotation axis.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 強制同時給排換気扇の室外側吐出口および室外側吸込口
と大気とを連通ずる排気通路と給気通路を並設し、前記
排気通路と給気通路間にシャツタ回転軸を設け、このシ
ャツタ回転軸の両側に突出して前記排気通路と給気通路
を閉塞し、運転時の風圧により回転して排気通路と給気
通路を開くシャツタ板を設け、前記シャツタ回転軸は強
制同時給排気扇側に傾斜し、排気通路は給気通路より大
きな断面積をもち、シャツタ板の排気通路に突出する部
分の面積を、給気通路に突出する部分の面積より大にし
てなる外風防止装置。An exhaust passage and an air supply passage are arranged in parallel to communicate the outdoor side discharge port and outdoor side suction port of the forced simultaneous supply/exhaust ventilation fan with the atmosphere, and a shaft rotation shaft is provided between the exhaust passage and the air supply passage. A shutter plate is provided that protrudes from both sides of the shaft to close the exhaust passage and the air supply passage, and rotates by wind pressure during operation to open the exhaust passage and the air supply passage, and the shaft rotation shaft is located on the side of the forced simultaneous supply and exhaust fan. The outside wind prevention device is inclined, the exhaust passage has a larger cross-sectional area than the air supply passage, and the area of the part of the shirt plate that projects into the exhaust passage is larger than the area of the part that projects into the air supply passage.
JP6267185U 1985-04-26 1985-04-26 Outside wind prevention device Granted JPS616129U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6267185U JPS616129U (en) 1985-04-26 1985-04-26 Outside wind prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6267185U JPS616129U (en) 1985-04-26 1985-04-26 Outside wind prevention device

Publications (2)

Publication Number Publication Date
JPS616129U true JPS616129U (en) 1986-01-14
JPS634911Y2 JPS634911Y2 (en) 1988-02-09

Family

ID=30592104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6267185U Granted JPS616129U (en) 1985-04-26 1985-04-26 Outside wind prevention device

Country Status (1)

Country Link
JP (1) JPS616129U (en)

Also Published As

Publication number Publication date
JPS634911Y2 (en) 1988-02-09

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