JPH0270137U - - Google Patents
Info
- Publication number
- JPH0270137U JPH0270137U JP14872588U JP14872588U JPH0270137U JP H0270137 U JPH0270137 U JP H0270137U JP 14872588 U JP14872588 U JP 14872588U JP 14872588 U JP14872588 U JP 14872588U JP H0270137 U JPH0270137 U JP H0270137U
- Authority
- JP
- Japan
- Prior art keywords
- holes
- surround
- axial flow
- flow fan
- bell mouth
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Other Air-Conditioning Systems (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案における第１実施例の側断面図
、第２図は第１図中に示される―線部分の断
面図、第３図は本考案における第２実施例の側断
面図、第４図は第３図中に示される―線部分
の断面図、第５図は従来の室外装置の側断面図、
第６図は第５図中における―線部分の断面図
、第７図は従来装置における騒音レベルと騒音周
波数の関係を示す騒音レベル―騒音周波数関係図
である。
１０…室外装置（送風装置）、１４…ベルマウ
ス部、１５…軸流フアン、１９…貫通孔、２０…
容積室。
FIG. 1 is a side sectional view of the first embodiment of the present invention, FIG. 2 is a sectional view of the line shown in FIG. 1, and FIG. 3 is a side sectional view of the second embodiment of the present invention. FIG. 4 is a sectional view of the line shown in FIG. 3, and FIG. 5 is a side sectional view of a conventional outdoor device.
FIG. 6 is a sectional view taken along the line - in FIG. 5, and FIG. 7 is a noise level-noise frequency relationship diagram showing the relationship between noise level and noise frequency in a conventional device. DESCRIPTION OF SYMBOLS 10... Outdoor device (air blower), 14... Bell mouth part, 15... Axial flow fan, 19... Through hole, 20...
Volume chamber.
Claims (1)
て包囲するように形成されたベルマウス部とを具
備して空気調和機の一部を形成する送風装置にお
いて、上記ベルマウス部の周方向に沿つて複数の
貫通孔を穿設し、これらの貫通孔の外側にこれら
貫通孔に連通する容積室を設けたことを特徴とす
る送風装置。 In a blower device that forms part of an air conditioner and includes an axial flow fan and a bell mouth section that is formed to surround and surround the axial flow fan, the circumferential direction of the bell mouth section is 1. A blower device comprising: a plurality of through holes formed along the through holes; and a volume chamber communicating with the through holes provided outside the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14872588U JPH0270137U (en) | 1988-11-15 | 1988-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14872588U JPH0270137U (en) | 1988-11-15 | 1988-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0270137U true JPH0270137U (en) | 1990-05-28 |
Family
ID=31420303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14872588U Pending JPH0270137U (en) | 1988-11-15 | 1988-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0270137U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999066210A1 (en) * | 1998-06-17 | 1999-12-23 | Hitachi Construction Machinery Co., Ltd. | Fan device and shroud |
| WO2008053867A1 (en) * | 2006-11-02 | 2008-05-08 | Panasonic Corporation | Centrifugal fan |
| JP2011513688A (en) * | 2008-02-28 | 2011-04-28 | エスピーエックス・クーリング・テクノロジーズ・インコーポレーテッド | Fan shroud for heat exchange tower |
| WO2012017479A1 (en) * | 2010-08-04 | 2012-02-09 | 三菱電機株式会社 | Indoor unit for air conditioner, and air conditioner |
| US8123468B2 (en) | 2006-11-02 | 2012-02-28 | Panasonic Corporation | Centrifugal fan |
| JP2017141672A (en) * | 2016-02-08 | 2017-08-17 | 日本電産株式会社 | Fan motor |
-
1988
- 1988-11-15 JP JP14872588U patent/JPH0270137U/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999066210A1 (en) * | 1998-06-17 | 1999-12-23 | Hitachi Construction Machinery Co., Ltd. | Fan device and shroud |
| KR100407491B1 (en) * | 1998-06-17 | 2003-11-28 | 히다치 겡키 가부시키 가이샤 | Fan device and shroud |
| WO2008053867A1 (en) * | 2006-11-02 | 2008-05-08 | Panasonic Corporation | Centrifugal fan |
| US8123468B2 (en) | 2006-11-02 | 2012-02-28 | Panasonic Corporation | Centrifugal fan |
| JP2011513688A (en) * | 2008-02-28 | 2011-04-28 | エスピーエックス・クーリング・テクノロジーズ・インコーポレーテッド | Fan shroud for heat exchange tower |
| WO2012017479A1 (en) * | 2010-08-04 | 2012-02-09 | 三菱電機株式会社 | Indoor unit for air conditioner, and air conditioner |
| JP5606533B2 (en) * | 2010-08-04 | 2014-10-15 | 三菱電機株式会社 | Air conditioner indoor unit and air conditioner |
| JP2017141672A (en) * | 2016-02-08 | 2017-08-17 | 日本電産株式会社 | Fan motor |