JPH0160140U - - Google Patents
Info
- Publication number
- JPH0160140U JPH0160140U JP15476387U JP15476387U JPH0160140U JP H0160140 U JPH0160140 U JP H0160140U JP 15476387 U JP15476387 U JP 15476387U JP 15476387 U JP15476387 U JP 15476387U JP H0160140 U JPH0160140 U JP H0160140U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- fan
- utility
- casing
- model registration
- 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
Links
- 238000009423 ventilation Methods 0.000 claims description 7
Landscapes
- Ventilation (AREA)
Description
第１図ないし第４図はこの考案の一実施例を示
し、第１図は換気扇を衝立に取付けた状態の斜視
図、第２図は換気扇を水平床面に載置した状態の
斜視図、第３図はケーシングの断面図、第４図は
衝立に対する換気扇の他の取付状態を示す側面図
、第５図は従来技術を示す斜視図である。
１……マンホール、２……衝立、６……換気扇
、７……ケーシング、８……フアン、１８……ダ
クト、１９ａ，１９ｂ……掛止具。
Figures 1 to 4 show an embodiment of this invention, with Figure 1 being a perspective view of the ventilation fan attached to a screen, Figure 2 being a perspective view of the ventilation fan being placed on a horizontal floor, FIG. 3 is a sectional view of the casing, FIG. 4 is a side view showing another state in which the ventilation fan is attached to the screen, and FIG. 5 is a perspective view showing the prior art. 1... Manhole, 2... Screen, 6... Ventilation fan, 7... Casing, 8... Fan, 18... Duct, 19a, 19b... Hanging tool.
Claims (1)
たは吸気用のダクトを導出し、このダクトをマン
ホール内に導入して該マンホール内の換気を図る
ものにおいて、前記ケーシングに、前記マンホー
ルの上方の周囲を囲む衝立に対して掛止可能な掛
止具を設けたことを特徴とするマンホール用換気
扇。 (2) 掛止具はケーシングの両端面に設けられて
いることを特徴とした実用新案登録請求の範囲第
１項記載のマンホール用換気扇。 (3) フアンはシロツコフアンであることを特徴
とした実用新案登録請求の範囲第１項または第２
項記載のマンホール用換気扇。[Scope of Claim for Utility Model Registration] (1) In a device for ventilating the inside of a manhole by leading out an air supply or intake duct from a casing containing a fan and introducing this duct into a manhole, the casing A ventilation fan for a manhole, characterized in that a hanging device is provided that can be hung on a screen surrounding the upper periphery of the manhole. (2) The ventilation fan for a manhole according to claim 1 of the utility model registration claim, characterized in that the hooks are provided on both end faces of the casing. (3) Paragraph 1 or 2 of the claims for utility model registration, characterized in that the fan is a Shirotzko fan.
Ventilation fan for manhole as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15476387U JPH0160140U (en) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15476387U JPH0160140U (en) | 1987-10-09 | 1987-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160140U true JPH0160140U (en) | 1989-04-17 |
Family
ID=31431784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15476387U Pending JPH0160140U (en) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160140U (en) |
-
1987
- 1987-10-09 JP JP15476387U patent/JPH0160140U/ja active Pending