JPS63160400U - - Google Patents
Info
- Publication number
- JPS63160400U JPS63160400U JP1987053736U JP5373687U JPS63160400U JP S63160400 U JPS63160400 U JP S63160400U JP 1987053736 U JP1987053736 U JP 1987053736U JP 5373687 U JP5373687 U JP 5373687U JP S63160400 U JPS63160400 U JP S63160400U
- Authority
- JP
- Japan
- Prior art keywords
- airflow
- fan blade
- boundary layer
- fan
- showing
- 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
- 230000002265 prevention Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第1図および第2図はこの考案の第1の実施例
を示すもので、第1図はシロツコフアンのフアン
ブレードの要部の概略構成を示す縦断面図、第2
図はフアンブレードの剥離防止部を示す平面図、
第3図はこの考案の第2の実施例を示す軸流フア
ンのフアンブレードの要部の概略構成を示す縦断
面図、第4図はシロツコフアン全体の概略構成を
示す縦断面図、第5図はシロツコフアン本体を示
す斜視図、第6図は従来のシロツコフアン本体の
フアンブレードの要部の概略構成を示す縦断面図
、第7図は軸流フアン本体を示す斜視図、第8図
は従来の軸流フアン本体のフアンブレードの要部
の概略構成を示す縦断面図である。
11a,21a……フアンブレード本体、12
,22……送風案内面、13,23……凹部(剥
離流防止部)、A……剥離流。
Figures 1 and 2 show a first embodiment of this invention, with Figure 1 being a vertical sectional view showing the schematic structure of the main part of the fan blade of the Sirotskov fan, and Figure 2
The figure is a plan view showing the peeling prevention part of the fan blade.
Fig. 3 is a vertical cross-sectional view showing a schematic configuration of the main parts of the fan blade of an axial flow fan showing a second embodiment of this invention, Fig. 4 is a vertical cross-sectional view showing a schematic configuration of the entire Sirotskov fan, and Fig. 5 is a perspective view showing the main body of the Sirotskov fan, Fig. 6 is a longitudinal sectional view showing the schematic configuration of the main part of the fan blade of the conventional Sirotskov fan main body, Fig. 7 is a perspective view showing the main body of the axial flow fan, and Fig. 8 is the conventional one. FIG. 2 is a vertical cross-sectional view showing a schematic configuration of a main part of a fan blade of an axial fan main body. 11a, 21a...fan blade body, 12
, 22... Air blowing guide surface, 13, 23... Concave portion (separated flow prevention part), A... Separated flow.
Claims (1)
風案内面における気流の流れ方向に対して上流側
部分に気流の境界層を乱流境界層に遷移させる凹
凸状の剥離流防止部を気流の流れ方向と直交する
方向に沿つて凹凸状に形成したことを特徴とする
フアンブレード。 On the blowing guide surface of the fan blade main body that guides the airflow, a separation flow prevention part with an uneven shape that transitions the boundary layer of the airflow to a turbulent boundary layer is provided on the upstream side with respect to the flow direction of the airflow. A fan blade characterized by being formed in a concave and convex shape along orthogonal directions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987053736U JPS63160400U (en) | 1987-04-09 | 1987-04-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987053736U JPS63160400U (en) | 1987-04-09 | 1987-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63160400U true JPS63160400U (en) | 1988-10-20 |
Family
ID=30880079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987053736U Pending JPS63160400U (en) | 1987-04-09 | 1987-04-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63160400U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001234888A (en) * | 2000-02-25 | 2001-08-31 | Mitsubishi Heavy Ind Ltd | Blower |
WO2008123212A1 (en) * | 2007-03-27 | 2008-10-16 | Mitsubishi Electric Corporation | Sirocco fan and air conditioner |
JP2010203409A (en) * | 2009-03-05 | 2010-09-16 | Mitsubishi Heavy Ind Ltd | Blade body for fluid machine |
JP2011196386A (en) * | 2011-05-20 | 2011-10-06 | Mitsubishi Electric Corp | Cross-flow fan and air conditioner |
JP2012041821A (en) * | 2010-08-12 | 2012-03-01 | Mitsubishi Heavy Ind Ltd | Wing device |
CN103477084A (en) * | 2011-04-12 | 2013-12-25 | 三菱电机株式会社 | Turbofan and air conditioner |
US9709073B2 (en) | 2012-10-03 | 2017-07-18 | Minebea Co., Ltd. | Centrifugal fan |
-
1987
- 1987-04-09 JP JP1987053736U patent/JPS63160400U/ja active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001234888A (en) * | 2000-02-25 | 2001-08-31 | Mitsubishi Heavy Ind Ltd | Blower |
WO2008123212A1 (en) * | 2007-03-27 | 2008-10-16 | Mitsubishi Electric Corporation | Sirocco fan and air conditioner |
JP5235867B2 (en) * | 2007-03-27 | 2013-07-10 | 三菱電機株式会社 | Sirocco fan and air conditioner |
JP2010203409A (en) * | 2009-03-05 | 2010-09-16 | Mitsubishi Heavy Ind Ltd | Blade body for fluid machine |
JP2012041821A (en) * | 2010-08-12 | 2012-03-01 | Mitsubishi Heavy Ind Ltd | Wing device |
CN103477084A (en) * | 2011-04-12 | 2013-12-25 | 三菱电机株式会社 | Turbofan and air conditioner |
EP2698543A1 (en) * | 2011-04-12 | 2014-02-19 | Mitsubishi Electric Corporation | Turbofan and air conditioner |
EP2698543A4 (en) * | 2011-04-12 | 2014-09-24 | Mitsubishi Electric Corp | Turbofan and air conditioner |
US9528374B2 (en) | 2011-04-12 | 2016-12-27 | Mitsubishi Electric Corporation | Turbofan, and air-conditioning apparatus |
JP2011196386A (en) * | 2011-05-20 | 2011-10-06 | Mitsubishi Electric Corp | Cross-flow fan and air conditioner |
US9709073B2 (en) | 2012-10-03 | 2017-07-18 | Minebea Co., Ltd. | Centrifugal fan |