JPH01113196U - - Google Patents
Info
- Publication number
- JPH01113196U JPH01113196U JP741988U JP741988U JPH01113196U JP H01113196 U JPH01113196 U JP H01113196U JP 741988 U JP741988 U JP 741988U JP 741988 U JP741988 U JP 741988U JP H01113196 U JPH01113196 U JP H01113196U
- Authority
- JP
- Japan
- Prior art keywords
- wing
- edge
- side plate
- front surface
- central axis
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の空冷機関の遠心形多翼フアン
の正面図、第２図は本考案の縦断面図、第３図は
周波数の値と音圧レベルの値との関係を示すグラ
フ、第４図は従来の空冷機関の遠心形多翼フアン
の正面図である。１…フアン側板、３…中心軸、
６…前面、１０…第１翼部、１０ａ…第１翼部の
前縁、１０ｂ…第１翼部の端縁、１１…第２翼部
、１１ａ…第２翼部の前縁、１１ｂ…第２翼部の
端縁、ｌ１…第１翼部の端縁の半径方向の長さ、
ｌ２…第２翼部の端縁の半径方向の長さ。
FIG. 1 is a front view of a centrifugal multi-blade fan for an air-cooled engine according to the present invention, FIG. 2 is a longitudinal cross-sectional view of the present invention, and FIG. 3 is a graph showing the relationship between frequency values and sound pressure level values. FIG. 4 is a front view of a conventional centrifugal multi-blade fan for an air-cooled engine. 1...Fan side plate, 3...Center shaft,
6... Front surface, 10... First wing section, 10a... Leading edge of first wing section, 10b... End edge of first wing section, 11... Second wing section, 11a... Leading edge of second wing section, 11b... The edge of the second wing, l1...the length in the radial direction of the edge of the first wing,
l2... Length in the radial direction of the edge of the second wing section.
Claims (1)
を設け、フアン側板前面に複数個の第１翼部を一
体に設け、第１翼部の前縁内周端から連続して中
心軸側へ長く延びる端縁を設け、隣接する第１翼
部の間に第２翼部を少なくとも１個一体に設け、
第２翼部の前縁内周端から連続する端縁を中心軸
と概ね平行にフアン側板前面と連続せしめて第１
翼部の上記端縁の半径方向の長さを第２翼部の上
記端縁の半径方向の長さよりも長く設定し、第１
翼部の上記端縁の縦断面を前縁から中心軸側に向
かうにつれて滑らかにフアン側板前面と連続する
ように形成したことを特徴とする空冷機関の遠心
形多翼フアン。 An annular fan side plate that rotates integrally with the central axis is provided, and a plurality of first wing parts are integrally provided on the front surface of the fan side plate, and the first wing part continues from the inner peripheral end of the leading edge to the central axis side. an elongated edge, and at least one second wing section is integrally provided between adjacent first wing sections;
The end edge continuous from the inner circumferential end of the leading edge of the second wing section is made to be continuous with the front surface of the fan side plate approximately parallel to the central axis.
The radial length of the edge of the wing part is set longer than the radial length of the edge of the second wing part, and
A centrifugal multi-blade fan for an air-cooled engine, characterized in that the longitudinal section of the end edge of the wing section is formed to smoothly continue with the front surface of the fan side plate from the leading edge toward the center axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP741988U JPH01113196U (en) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP741988U JPH01113196U (en) | 1988-01-22 | 1988-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113196U true JPH01113196U (en) | 1989-07-31 |
Family
ID=31212410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP741988U Pending JPH01113196U (en) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113196U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011226410A (en) * | 2010-04-21 | 2011-11-10 | Daikin Industries Ltd | Multi-blade fan |
| WO2019082378A1 (en) * | 2017-10-27 | 2019-05-02 | 三菱電機株式会社 | Multivane blower |
| JP2020204328A (en) * | 2019-04-25 | 2020-12-24 | 三菱電機株式会社 | Impeller, multi-blade blower and air conditioner |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224256U (en) * | 1975-08-11 | 1977-02-21 |
-
1988
- 1988-01-22 JP JP741988U patent/JPH01113196U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224256U (en) * | 1975-08-11 | 1977-02-21 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011226410A (en) * | 2010-04-21 | 2011-11-10 | Daikin Industries Ltd | Multi-blade fan |
| WO2019082378A1 (en) * | 2017-10-27 | 2019-05-02 | 三菱電機株式会社 | Multivane blower |
| JPWO2019082378A1 (en) * | 2017-10-27 | 2020-11-05 | 三菱電機株式会社 | Multi-wing blower |
| JP2020204328A (en) * | 2019-04-25 | 2020-12-24 | 三菱電機株式会社 | Impeller, multi-blade blower and air conditioner |