JPH0311362U - - Google Patents
Info
- Publication number
- JPH0311362U JPH0311362U JP6930489U JP6930489U JPH0311362U JP H0311362 U JPH0311362 U JP H0311362U JP 6930489 U JP6930489 U JP 6930489U JP 6930489 U JP6930489 U JP 6930489U JP H0311362 U JPH0311362 U JP H0311362U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- electric blower
- wall
- center
- gravity
- 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
- 230000005484 gravity Effects 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Motor Or Generator Cooling System (AREA)
Description
第１図は本考案の一実施例を示す電動送風機の
部分断面図、第２図は同動作説明図、第３図は従
来の電動送風機の部分断面図、第４図は同動作説
明図である。
１１……モータ、１１ａ……後面、１４……ケ
ーシング、１４ａ……外壁、１４ｂ……内壁、１
４ｃ……中空部、１４ｄ……小孔、１５……吸音
材、１６……重心。
Fig. 1 is a partial sectional view of an electric blower showing an embodiment of the present invention, Fig. 2 is an explanatory diagram of the same operation, Fig. 3 is a partial sectional view of a conventional electric blower, and Fig. 4 is an explanatory diagram of the same operation. be. DESCRIPTION OF SYMBOLS 11... Motor, 11a... Rear surface, 14... Casing, 14a... Outer wall, 14b... Inner wall, 1
4c...Hollow part, 14d...Small hole, 15...Sound absorbing material, 16...Center of gravity.
Claims (1)
そのフアンの上方を覆うケーシングとを具備し、
上記吸込みフアンはその中央部に吸気口を設けた
前方側板を持ち、前記ケーシングは上記前方側板
と略相似形をした内壁と、電動送風機の重心を中
心とした略球面状の外壁との２重壁で構成され、
モータ後部の後面は電動送風機重心を中心とした
略球面形状に形成されてなる電動送風機。 (2) ケーシングの外壁と内壁に囲まれた中空部
に不通気性もしくは難通気性の吸音材を詰めてな
る請求項１記載の電動送風機。 (3) ケーシングの内壁に複数の小孔を設けてな
る請求項２記載の電動送風機。[Scope of claims for utility model registration] (1) A suction fan attached to one side of the motor,
and a casing that covers the top of the fan,
The suction fan has a front side plate with an intake port in the center thereof, and the casing has a double wall, an inner wall having a substantially similar shape to the front side plate, and an outer wall having a substantially spherical shape centered on the center of gravity of the electric blower. Consisting of walls,
The rear surface of the rear part of the motor is formed into a substantially spherical shape centered on the center of gravity of the electric blower. (2) The electric blower according to claim 1, wherein the hollow portion surrounded by the outer and inner walls of the casing is filled with an air-impermeable or poorly air-permeable sound absorbing material. (3) The electric blower according to claim 2, wherein a plurality of small holes are provided in the inner wall of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6930489U JPH0311362U (en) | 1989-06-14 | 1989-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6930489U JPH0311362U (en) | 1989-06-14 | 1989-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0311362U true JPH0311362U (en) | 1991-02-04 |
Family
ID=31604486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6930489U Pending JPH0311362U (en) | 1989-06-14 | 1989-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311362U (en) |
-
1989
- 1989-06-14 JP JP6930489U patent/JPH0311362U/ja active Pending