JPH0178292U - - Google Patents
Info
- Publication number
- JPH0178292U JPH0178292U JP1987173288U JP17328887U JPH0178292U JP H0178292 U JPH0178292 U JP H0178292U JP 1987173288 U JP1987173288 U JP 1987173288U JP 17328887 U JP17328887 U JP 17328887U JP H0178292 U JPH0178292 U JP H0178292U
- Authority
- JP
- Japan
- Prior art keywords
- blower casing
- sound
- absorbing
- perforated plate
- separated
- 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
- 239000011358 absorbing material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１〜３図は本考案の実施例を示すものであつ
て、第１図はその第１実施例としての吸音式ブロ
ワケーシング構造を示す縦断面図、第２図はその
−断面図であり、第３図は本考案の第２実施
例としての吸音式ブロワケーシング構造の部分断
面図であり、第４図は従来のブロワケーシング構
造を示す縦断面図である。
１……ブロワケーシング、１ａ……出口、２…
…フアン、３……空気室、４……多孔板、４′…
…パンチングメタル、４′ａ……孔部、４″……
多孔質部材、５……吸音材。
1 to 3 show embodiments of the present invention, in which FIG. 1 is a vertical cross-sectional view showing a sound-absorbing blower casing structure as the first embodiment, and FIG. 2 is a cross-sectional view thereof. 3 is a partial sectional view of a sound-absorbing blower casing structure according to a second embodiment of the present invention, and FIG. 4 is a longitudinal sectional view showing a conventional blower casing structure. 1...Blower casing, 1a...Outlet, 2...
...Fan, 3...Air chamber, 4...Perforated plate, 4'...
...Punching metal, 4'a...hole, 4''...
Porous member, 5...Sound absorbing material.
Claims (1)
おいて、同ブロワケーシングの内面から離隔しな
がら同内面に沿うように多孔板が配設されている
ことを特徴とする、吸音式ブロワケーシング構造
。 A sound-absorbing blower casing structure characterized in that, in a blower casing equipped with a fan inside, a perforated plate is arranged along the inner surface of the blower casing while being separated from the inner surface of the blower casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173288U JPH0178292U (en) | 1987-11-13 | 1987-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173288U JPH0178292U (en) | 1987-11-13 | 1987-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0178292U true JPH0178292U (en) | 1989-05-25 |
Family
ID=31465215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987173288U Pending JPH0178292U (en) | 1987-11-13 | 1987-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0178292U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100474339B1 (en) * | 2002-07-25 | 2005-03-08 | 엘지전자 주식회사 | Noise reduce structure of sirocco fan |
| WO2009130891A1 (en) * | 2008-04-22 | 2009-10-29 | 広東松下環境系統有限公司 | Centrifugal fan and method of reducing noise of centrifugal fan |
| JP2013040615A (en) * | 2012-11-27 | 2013-02-28 | Panasonic Corp | Centrifugal blower |
-
1987
- 1987-11-13 JP JP1987173288U patent/JPH0178292U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100474339B1 (en) * | 2002-07-25 | 2005-03-08 | 엘지전자 주식회사 | Noise reduce structure of sirocco fan |
| WO2009130891A1 (en) * | 2008-04-22 | 2009-10-29 | 広東松下環境系統有限公司 | Centrifugal fan and method of reducing noise of centrifugal fan |
| JP2009264121A (en) * | 2008-04-22 | 2009-11-12 | Panasonic Corp | Centrifugal blower, and method for reducing noise of centrifugal fan |
| JP2013040615A (en) * | 2012-11-27 | 2013-02-28 | Panasonic Corp | Centrifugal blower |