JPS63193792U - - Google Patents
Info
- Publication number
- JPS63193792U JPS63193792U JP1987086058U JP8605887U JPS63193792U JP S63193792 U JPS63193792 U JP S63193792U JP 1987086058 U JP1987086058 U JP 1987086058U JP 8605887 U JP8605887 U JP 8605887U JP S63193792 U JPS63193792 U JP S63193792U
- Authority
- JP
- Japan
- Prior art keywords
- fan
- fan shroud
- blade tip
- faces
- inner peripheral
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
Description
第１，２図は本考案の一実施例を示す概略図、
第３図は同実施例の要部斜視図、第４〜６図はそ
の他の実施例における要部斜視図、第７図は翼端
渦の発生状態を示す説明図、第８図は従来例を示
す概略図である。
１……フアン、２……フアンシユラウド、１３
……翼端、２１……シユラウド本体、２２，２５
，２７，２９……吸音リング、２３，２４，２６
……凹溝、２８……凹部。
Figures 1 and 2 are schematic diagrams showing an embodiment of the present invention;
Fig. 3 is a perspective view of the main part of the same embodiment, Figs. 4 to 6 are perspective views of the main part of other embodiments, Fig. 7 is an explanatory diagram showing the generation state of the blade tip vortex, and Fig. 8 is the conventional example. FIG. 1...Juan, 2...Juan Shuroud, 13
... Wing tip, 21 ... Shroud body, 22, 25
, 27, 29...Sound absorption ring, 23, 24, 26
...concave groove, 28...concavity.
Claims (1)
るフアンシユラウドにおいて、同フアンシユラウ
ドの上記フアンの翼端に対向する内周部分全周に
亘つて凹部を形成したことを特徴とするフアンシ
ユラウド。 A fan shroud provided as a baffle plate around an axial flow fan, characterized in that a concave portion is formed over the entire circumference of an inner peripheral portion of the fan shroud that faces the blade tip of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086058U JPS63193792U (en) | 1987-06-02 | 1987-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086058U JPS63193792U (en) | 1987-06-02 | 1987-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63193792U true JPS63193792U (en) | 1988-12-13 |
Family
ID=30942022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987086058U Pending JPS63193792U (en) | 1987-06-02 | 1987-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63193792U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254297A (en) * | 2002-02-27 | 2003-09-10 | Halla Aircon Co Ltd | Fan and shroud assembly |
| CN102691679A (en) * | 2011-03-22 | 2012-09-26 | 富士通株式会社 | Axial blower |
| JP2017140364A (en) * | 2015-12-11 | 2017-08-17 | ダイソン テクノロジー リミテッド | Motor and hair care appliance comprising motor |
-
1987
- 1987-06-02 JP JP1987086058U patent/JPS63193792U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254297A (en) * | 2002-02-27 | 2003-09-10 | Halla Aircon Co Ltd | Fan and shroud assembly |
| KR100729650B1 (en) * | 2002-02-27 | 2007-06-18 | 한라공조주식회사 | Shroud having structure for noise reduction |
| CN102691679A (en) * | 2011-03-22 | 2012-09-26 | 富士通株式会社 | Axial blower |
| JP2012197740A (en) * | 2011-03-22 | 2012-10-18 | Fujitsu Ltd | Axial blower |
| JP2017140364A (en) * | 2015-12-11 | 2017-08-17 | ダイソン テクノロジー リミテッド | Motor and hair care appliance comprising motor |