JP2011047387A - 遠心ファン - Google Patents
遠心ファン Download PDFInfo
- Publication number
- JP2011047387A JP2011047387A JP2009199022A JP2009199022A JP2011047387A JP 2011047387 A JP2011047387 A JP 2011047387A JP 2009199022 A JP2009199022 A JP 2009199022A JP 2009199022 A JP2009199022 A JP 2009199022A JP 2011047387 A JP2011047387 A JP 2011047387A
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- JP
- Japan
- Prior art keywords
- centrifugal fan
- gap
- boss
- outer peripheral
- mounting wall
- 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.)
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】ロータ7とブレード3の間に、ボス4の外周部に備えた第1及び第2の突条部20,21と、モータ取付け壁12の外周部に備えた第3の突条部22及び第4の突条部23とを、互い違いに、且つ、所定の間隔を空けてラビリンス構造29の隙間31を形成すると共に、第4の突条部23に防水リング24を設け、隙間31に幅広部33を形成し、幅広部33を防水リング24に形成した傾斜部25により、隙間31の入口側よりも奥側が広く形成された袋状部34としたことにより、両面吸気構造と遠心ファン全体の高さを低く抑えた構造を有する遠心ファンにおいても、十分な防水性を得ることが可能となる。
【選択図】図5
Description
7 ロータ
20 第1の突条部
21 第2の突条部
22 第3の突条部
23 第4の突条部
25 傾斜部
29 ラビリンス構造
31 隙間
32 幅狭部(狭い部分)
33 幅広部(広い部分)
34 袋状部
Claims (1)
- ロータとブレードの間に、複数の突条部からなるラビリンス構造の隙間を形成すると共に、前記突条部の少なくとも1つにリング部材を設け、前記隙間の一部に広い部分と狭い部分を形成すると共に、前記隙間の広い部分を、前記リング部材に形成した傾斜部により、前記隙間の入口側よりも奥側が広く形成された袋状部としたことを特徴とする遠心ファン。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009199022A JP5152703B2 (ja) | 2009-08-28 | 2009-08-28 | 遠心ファン |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009199022A JP5152703B2 (ja) | 2009-08-28 | 2009-08-28 | 遠心ファン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011047387A true JP2011047387A (ja) | 2011-03-10 |
JP5152703B2 JP5152703B2 (ja) | 2013-02-27 |
Family
ID=43833950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009199022A Active JP5152703B2 (ja) | 2009-08-28 | 2009-08-28 | 遠心ファン |
Country Status (1)
Country | Link |
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JP (1) | JP5152703B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011163187A (ja) * | 2010-02-08 | 2011-08-25 | Sanyo Denki Co Ltd | 電動ファン |
JP2019100314A (ja) * | 2017-12-07 | 2019-06-24 | 日本電産株式会社 | 送風装置 |
US10920787B2 (en) | 2017-12-22 | 2021-02-16 | Nidec Corporation | Blower |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000110772A (ja) * | 1998-10-07 | 2000-04-18 | Sanyo Denki Co Ltd | 低騒音型軸流送風機 |
JP2009024649A (ja) * | 2007-07-21 | 2009-02-05 | Nidec Servo Corp | 防滴構造を備えた遠心ファン |
-
2009
- 2009-08-28 JP JP2009199022A patent/JP5152703B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000110772A (ja) * | 1998-10-07 | 2000-04-18 | Sanyo Denki Co Ltd | 低騒音型軸流送風機 |
JP2009024649A (ja) * | 2007-07-21 | 2009-02-05 | Nidec Servo Corp | 防滴構造を備えた遠心ファン |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011163187A (ja) * | 2010-02-08 | 2011-08-25 | Sanyo Denki Co Ltd | 電動ファン |
US9033680B2 (en) | 2010-02-08 | 2015-05-19 | Sanyo Denki Co., Ltd. | Electric fan |
JP2019100314A (ja) * | 2017-12-07 | 2019-06-24 | 日本電産株式会社 | 送風装置 |
US10920787B2 (en) | 2017-12-22 | 2021-02-16 | Nidec Corporation | Blower |
Also Published As
Publication number | Publication date |
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JP5152703B2 (ja) | 2013-02-27 |
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