JPH0452599U - - Google Patents
Info
- Publication number
- JPH0452599U JPH0452599U JP9461890U JP9461890U JPH0452599U JP H0452599 U JPH0452599 U JP H0452599U JP 9461890 U JP9461890 U JP 9461890U JP 9461890 U JP9461890 U JP 9461890U JP H0452599 U JPH0452599 U JP H0452599U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- inflection
- point
- leading edge
- blades
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図および第２図は本願考案の実施例にかか
る空気調和機用軸流送風機の正面図および側面図
、第３図は第１図の−断面図、第４図イおよ
びロは従来例および本実施例にかかる軸流送風機
における羽根近傍の空気流通状態を示す説明図、
第５図および第６図は本願考案の実施例と従来例
とにおける比騒音特性図および静圧効率特性図で
ある。
１……円柱状ハブ、２……羽根、２ａ……羽根
前縁、２ｂ……羽根後縁、３……肉厚部、４……
凹状部、５……平面部、Ｐ……変曲点、ｇ……直
線。
1 and 2 are a front view and a side view of an axial flow blower for an air conditioner according to an embodiment of the present invention, FIG. 3 is a cross-sectional view of FIG. 1, and FIG. 4 A and B are conventional examples. and an explanatory diagram showing the air circulation state near the blades in the axial blower according to the present example,
FIGS. 5 and 6 are specific noise characteristic diagrams and static pressure efficiency characteristic diagrams of the embodiment of the present invention and the conventional example. DESCRIPTION OF SYMBOLS 1...Cylindrical hub, 2...Blade, 2a...Blade leading edge, 2b...Blade trailing edge, 3...Thick part, 4...
Concave portion, 5... Plane portion, P... Inflection point, g... Straight line.
Claims (1)
え、該各羽根２の前縁２ａにおけるチツプ側には
、略円弧形状断面を有する肉厚部３を形成すると
ともに、前記各羽根２における円周方向断面形状
を、羽根前縁２ａから変曲点Ｐまでの間を吸込側
に凹んだ凹状となし且つ変曲点Ｐから羽根後縁２
ｂまでの間を羽根前縁２ａと変曲点Ｐとを結んだ
直線ｇの延長上に沿う平面状となしたことを特徴
とする空気調和機用軸流送風機。 The cylindrical hub 1 is provided with a plurality of blades 2, 2, . The cross-sectional shape in the circumferential direction is a concave shape concave toward the suction side from the leading edge 2a of the blade to the point of inflection P, and from the point of inflection P to the trailing edge 2 of the blade.
An axial flow blower for an air conditioner, characterized in that the area up to b has a planar shape extending along an extension of a straight line g connecting a blade leading edge 2a and an inflection point P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9461890U JPH0452599U (en) | 1990-09-07 | 1990-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9461890U JPH0452599U (en) | 1990-09-07 | 1990-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0452599U true JPH0452599U (en) | 1992-05-06 |
Family
ID=31832721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9461890U Pending JPH0452599U (en) | 1990-09-07 | 1990-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452599U (en) |
-
1990
- 1990-09-07 JP JP9461890U patent/JPH0452599U/ja active Pending