JPH0471798U - - Google Patents
Info
- Publication number
- JPH0471798U JPH0471798U JP11431190U JP11431190U JPH0471798U JP H0471798 U JPH0471798 U JP H0471798U JP 11431190 U JP11431190 U JP 11431190U JP 11431190 U JP11431190 U JP 11431190U JP H0471798 U JPH0471798 U JP H0471798U
- Authority
- JP
- Japan
- Prior art keywords
- boss
- axial flow
- view
- flow fan
- ribs
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第1図はこの考案の一実施例による軸流フアン
の全体正面図、第2図は従来の軸流フアンを示す
全体正面図、第3図は第2図の−線断面図、
第4図は回転中の遠心力の作用を示すための断面
図、第5図は遠心力が作用したときの羽根及びボ
スの変形状態を示すための断面図、第6図、第7
図は遠心力が作用したときの応力分布状態を示す
ためのそれぞれ一部正面図および断面図、第8図
はリブ配置角度θを横軸にとり、縦軸には羽根の
根元部に生ずる半径方向の応力及びボスに生ずる
周方向の応力をとつたグラフである。
図中、1は羽根、2はボス、3,3a,3bは
リブである。なお、図中同一符号は同一又は相当
部分を示す。
Fig. 1 is an overall front view of an axial flow fan according to an embodiment of the invention, Fig. 2 is an overall front view of a conventional axial flow fan, and Fig. 3 is a sectional view taken along the line - - of Fig. 2.
Fig. 4 is a cross-sectional view showing the action of centrifugal force during rotation, Fig. 5 is a cross-sectional view showing the deformed state of the blade and boss when centrifugal force is applied, Figs.
The figures are a partial front view and a cross-sectional view, respectively, to show the state of stress distribution when centrifugal force is applied. In Figure 8, the horizontal axis represents the rib arrangement angle θ, and the vertical axis represents the radial direction generated at the root of the blade. 2 is a graph showing the stress in the circumferential direction and the stress in the circumferential direction occurring in the boss. In the figure, 1 is a blade, 2 is a boss, and 3, 3a, and 3b are ribs. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
されその強みとなる8個のリブから構成されてい
る軸流フアンにおいて、一つのリブを基準にした
場合、それに隣り合うリブの間隔をそれぞれ約2
2.5°及び67.5°にしたフアンのリブ配置
構造を有することを特徴とする軸流フアン。 In an axial flow fan that consists of a boss that supports the blades and eight ribs that are placed inside the boss and serve as its strength, when one rib is used as a reference, the distance between adjacent ribs is approximately 2
An axial flow fan characterized by having a fan rib arrangement structure with angles of 2.5° and 67.5°.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11431190U JPH0471798U (en) | 1990-10-30 | 1990-10-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11431190U JPH0471798U (en) | 1990-10-30 | 1990-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0471798U true JPH0471798U (en) | 1992-06-25 |
Family
ID=31861983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11431190U Pending JPH0471798U (en) | 1990-10-30 | 1990-10-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0471798U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021071072A (en) * | 2019-10-30 | 2021-05-06 | 株式会社コロナ | Propeller fan |
-
1990
- 1990-10-30 JP JP11431190U patent/JPH0471798U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021071072A (en) * | 2019-10-30 | 2021-05-06 | 株式会社コロナ | Propeller fan |