JPS6073000U - propeller fan - Google Patents
propeller fanInfo
- Publication number
- JPS6073000U JPS6073000U JP16548883U JP16548883U JPS6073000U JP S6073000 U JPS6073000 U JP S6073000U JP 16548883 U JP16548883 U JP 16548883U JP 16548883 U JP16548883 U JP 16548883U JP S6073000 U JPS6073000 U JP S6073000U
- Authority
- JP
- Japan
- Prior art keywords
- blade
- propeller fan
- hub
- blades
- trailing edge
- 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.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来のプロペラファンの正面図、第2図はプロ
ペラファンの他の従来例を示す部分斜視図、第3図およ
び第4図は本考案の一実施例にかかるプロペラファンの
正面図および部分斜視図、第5図は本考案の他の実施例
にかかるプロペラファンの部分斜視図、第6図は、従来
例および本考案実施例のプロペラファンにおける風量−
静圧特性および風量−運転音特性を示す図、第7図は本
考案実施例のプロペラファンにおける案内部後端の厚さ
L2と羽根後縁の長さLlとの比L 2/ i、 1に
対する静圧特性図、第8図は従来例および本考案実施例
のプロペラファンにおける羽根出口の速度三角形図であ
る。
1・・・・・・ハブ、2a、2b、2c、2d・・・・
・・羽根、4 at 4 bt 4 C! 4 d””
圧力面、5at5b、5c、5d・・・・・・羽根後縁
、6・・・・・・案内部、A・・・・・・位置、B・・
・・・・ハブ側後縁位置。Fig. 1 is a front view of a conventional propeller fan, Fig. 2 is a partial perspective view showing another conventional example of a propeller fan, and Figs. 3 and 4 are front views of a propeller fan according to an embodiment of the present invention. and a partial perspective view, FIG. 5 is a partial perspective view of a propeller fan according to another embodiment of the present invention, and FIG.
FIG. 7 is a diagram showing static pressure characteristics and air volume-operation sound characteristics, and the ratio L2/i, 1 of the thickness L2 of the rear end of the guide part and the length Ll of the trailing edge of the blade in the propeller fan according to the embodiment of the present invention. FIG. 8 is a velocity triangle diagram of the blade outlet of the propeller fans of the conventional example and the embodiment of the present invention. 1...Hub, 2a, 2b, 2c, 2d...
...Feather, 4 at 4 bt 4 C! 4 d””
Pressure surface, 5at5b, 5c, 5d...Blade trailing edge, 6...Guiding part, A...Position, B...
...Hub side trailing edge position.
Claims (1)
b・・・・・・が取付けられていて、前記ハブ1外周部
には、ある羽根2aのリーディング側の他の羽根2bの
ハブ側後縁位置B、または、該ハブ側後縁位置Bから若
干反回転方向にずれた位置Aを起点とし、その直後の羽
根2aの圧力面4a上を順次なめらかに拡大して該羽根
2aの後縁5aに至る案内部6が羽根枚数骨だけ設−け
られていることを特徴とするプロペラファン。 2 前記案内部6後端の厚さL2が羽根後縁5a 、
5 b ・・”の長さり、に対して0<L2/L、<
0.4となる如(決定されている前記実用新案登録請求
の範囲第1項記載のプロペラファン。[Claims for Utility Model Registration] 1. On the outer periphery of the cylindrical hub 1, a plurality of blades 2a, 2
b... is attached to the outer periphery of the hub 1, from the rear edge position B on the hub side of the other blade 2b on the leading side of a given blade 2a, or from the rear edge position B on the hub side. Starting from a position A slightly offset in the counter-rotational direction, a guide portion 6 is provided for as many blades as the number of blades by sequentially and smoothly expanding the pressure surface 4a of the blade 2a just behind the position A and reaching the trailing edge 5a of the blade 2a. A propeller fan characterized by: 2. The thickness L2 of the rear end of the guide portion 6 is equal to the blade trailing edge 5a,
5 b...” length, 0<L2/L,<
0.4 (determined) The propeller fan according to claim 1 of the utility model registration.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16548883U JPS6073000U (en) | 1983-10-25 | 1983-10-25 | propeller fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16548883U JPS6073000U (en) | 1983-10-25 | 1983-10-25 | propeller fan |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6073000U true JPS6073000U (en) | 1985-05-22 |
JPH0121198Y2 JPH0121198Y2 (en) | 1989-06-23 |
Family
ID=30362542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16548883U Granted JPS6073000U (en) | 1983-10-25 | 1983-10-25 | propeller fan |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6073000U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02173395A (en) * | 1988-12-26 | 1990-07-04 | Toshiba Corp | Axial flow fan |
WO2002063172A1 (en) * | 2001-02-07 | 2002-08-15 | Denso Corporation | Axial fan for vehicle |
JP2003531341A (en) * | 2000-04-14 | 2003-10-21 | ボーグワーナー・インコーポレーテッド | cooling fan |
JP2009013855A (en) * | 2007-07-03 | 2009-01-22 | Usui Kokusai Sangyo Kaisha Ltd | Axial flow fan |
WO2014162758A1 (en) * | 2013-04-04 | 2014-10-09 | 三菱電機株式会社 | Propeller fan, blower device, and outdoor equipment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55165996U (en) * | 1979-05-17 | 1980-11-28 | ||
JPS57165697A (en) * | 1981-04-03 | 1982-10-12 | Nissan Motor Co Ltd | Mixed flow fan |
JPS5866000A (en) * | 1981-10-12 | 1983-04-19 | Nissan Motor Co Ltd | Slant flow fan |
-
1983
- 1983-10-25 JP JP16548883U patent/JPS6073000U/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55165996U (en) * | 1979-05-17 | 1980-11-28 | ||
JPS57165697A (en) * | 1981-04-03 | 1982-10-12 | Nissan Motor Co Ltd | Mixed flow fan |
JPS5866000A (en) * | 1981-10-12 | 1983-04-19 | Nissan Motor Co Ltd | Slant flow fan |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02173395A (en) * | 1988-12-26 | 1990-07-04 | Toshiba Corp | Axial flow fan |
JP2003531341A (en) * | 2000-04-14 | 2003-10-21 | ボーグワーナー・インコーポレーテッド | cooling fan |
JP4648606B2 (en) * | 2000-04-14 | 2011-03-09 | ボーグワーナー・インコーポレーテッド | cooling fan |
WO2002063172A1 (en) * | 2001-02-07 | 2002-08-15 | Denso Corporation | Axial fan for vehicle |
JP2009013855A (en) * | 2007-07-03 | 2009-01-22 | Usui Kokusai Sangyo Kaisha Ltd | Axial flow fan |
WO2014162758A1 (en) * | 2013-04-04 | 2014-10-09 | 三菱電機株式会社 | Propeller fan, blower device, and outdoor equipment |
WO2014162552A1 (en) * | 2013-04-04 | 2014-10-09 | 三菱電機株式会社 | Propeller fan, blower device, and outdoor equipment |
JP5971667B2 (en) * | 2013-04-04 | 2016-08-17 | 三菱電機株式会社 | Propeller fan, blower and outdoor unit |
US9970454B2 (en) | 2013-04-04 | 2018-05-15 | Mitsubishi Electric Corporation | Propeller fan, blower device, and outdoor equipment |
Also Published As
Publication number | Publication date |
---|---|
JPH0121198Y2 (en) | 1989-06-23 |
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