JPS61144300U - - Google Patents
Info
- Publication number
- JPS61144300U JPS61144300U JP2732485U JP2732485U JPS61144300U JP S61144300 U JPS61144300 U JP S61144300U JP 2732485 U JP2732485 U JP 2732485U JP 2732485 U JP2732485 U JP 2732485U JP S61144300 U JPS61144300 U JP S61144300U
- Authority
- JP
- Japan
- Prior art keywords
- sound absorbing
- absorbing wall
- view
- fan
- sectional
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第1a図は本考案の第1実施例であるケーシン
グ吸音トリートメントを装備する軸流フアンの縦
断面図、第1b図は第2実施例であるケーシング
吸音トリートメント及びその他の吸音処理を施し
た軸流フアンの縦断面図、第2a図は同上ケーシ
ング吸音トリートメントの第1実施例の断面図、
第2b図は同上ケーシング吸音トリートメントの
第2実施例の断面図、第3a図は従来の典型的な
軸流フアンの一例を示す縦断面図、第3b図は同
じく従来の典型的な軸流フアンの他の例を示す縦
断面図、第4図は従来の軸流フアンに装備する一
般的な吸音処理構造の断面図、第5図は従来の軸
流フアンの動翼部分の作用を表す拡大断面図であ
る。
1…フアンケーシング、5…動翼、5a…動翼
チツプ、10…ケーシング吸音トリートメント(
表面に通気性のある焼結金属や発泡金属を配設し
た吸音壁又は共鳴吸音壁)。
Figure 1a is a longitudinal cross-sectional view of an axial flow fan equipped with a casing sound absorption treatment according to the first embodiment of the present invention, and Figure 1b is a longitudinal cross-sectional view of an axial flow fan equipped with a casing sound absorption treatment and other sound absorption treatments according to the second embodiment of the present invention. A vertical cross-sectional view of the fan, FIG. 2a is a cross-sectional view of the first embodiment of the casing sound absorption treatment,
Fig. 2b is a sectional view of a second embodiment of the casing sound absorption treatment, Fig. 3a is a vertical sectional view showing an example of a conventional typical axial flow fan, and Fig. 3b is a longitudinal sectional view of a typical conventional axial flow fan. Figure 4 is a cross-sectional view of a typical sound absorption structure installed in a conventional axial fan, and Figure 5 is an enlarged view showing the action of the rotor blade of a conventional axial fan. FIG. 1... Fan casing, 5... Moving blade, 5a... Moving blade tip, 10... Casing sound absorption treatment (
(Sound absorbing wall or resonant sound absorbing wall with breathable sintered metal or foamed metal on the surface.)
Claims (1)
面に、表面に通気性のある焼結金属や発泡金属を
配設した吸音壁又は共鳴吸音壁を取付けてなる軸
流フアン。 An axial flow fan in which a sound absorbing wall or a resonant sound absorbing wall whose surface is made of breathable sintered metal or foamed metal is attached to the inner peripheral surface of the fan casing facing the rotor blade tip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2732485U JPS61144300U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2732485U JPS61144300U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61144300U true JPS61144300U (en) | 1986-09-05 |
Family
ID=30524171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2732485U Pending JPS61144300U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61144300U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63150497A (en) * | 1986-12-15 | 1988-06-23 | Matsushita Electric Ind Co Ltd | Sound absorbing impeller device |
JP2011169295A (en) * | 2010-02-22 | 2011-09-01 | Mitsubishi Electric Corp | Blower |
JP2019105241A (en) * | 2017-12-13 | 2019-06-27 | 三菱電機株式会社 | Blower |
KR101974358B1 (en) * | 2017-12-13 | 2019-09-05 | (주)코리아인코어테크놀러지 | Noise reduction type high efficiency blower |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5315110B2 (en) * | 1972-07-13 | 1978-05-22 |
-
1985
- 1985-02-28 JP JP2732485U patent/JPS61144300U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5315110B2 (en) * | 1972-07-13 | 1978-05-22 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63150497A (en) * | 1986-12-15 | 1988-06-23 | Matsushita Electric Ind Co Ltd | Sound absorbing impeller device |
JP2011169295A (en) * | 2010-02-22 | 2011-09-01 | Mitsubishi Electric Corp | Blower |
JP2019105241A (en) * | 2017-12-13 | 2019-06-27 | 三菱電機株式会社 | Blower |
KR101974358B1 (en) * | 2017-12-13 | 2019-09-05 | (주)코리아인코어테크놀러지 | Noise reduction type high efficiency blower |