JPH0444500U - - Google Patents
Info
- Publication number
- JPH0444500U JPH0444500U JP8597890U JP8597890U JPH0444500U JP H0444500 U JPH0444500 U JP H0444500U JP 8597890 U JP8597890 U JP 8597890U JP 8597890 U JP8597890 U JP 8597890U JP H0444500 U JPH0444500 U JP H0444500U
- Authority
- JP
- Japan
- Prior art keywords
- centrifugal blowers
- noise
- rotary
- blades
- duct
- 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図は本考案の装置の一実施例の平面図、第
2図Aは第1図の白矢印方向から眺めた側面図、
同図Bは第1図の白矢印B方向から眺めた正面図
、第3図は第1、第2の送風機の回転翼車の翼を
回転方向に角度θずらした両者の相対位置を透視
的に示す側面図である。
1……第1の送風機、2……送風機1の吸い込
み開口部、3……消音機能付きダクト、4……第
2の送風機、5……送風機4の吐出開口部、6…
…駆動モータ、7……駆動軸、8及び9……回転
翼車、12……回転翼車の翼。
FIG. 1 is a plan view of one embodiment of the device of the present invention, FIG. 2A is a side view viewed from the direction of the white arrow in FIG.
Figure B is a front view seen from the direction of white arrow B in Figure 1, and Figure 3 is a perspective view of the relative positions of the blades of the rotor wheels of the first and second blowers shifted by an angle θ in the rotation direction. FIG. DESCRIPTION OF SYMBOLS 1...First blower, 2...Suction opening of blower 1, 3...Duct with a noise reduction function, 4...Second blower, 5...Discharge opening of blower 4, 6...
... Drive motor, 7... Drive shaft, 8 and 9... Rotary wheel, 12... Blade of rotary wheel.
Claims (1)
するダクトにより直列接続する一方、上記第1及
び第2の遠心型送風機の回転翼車を駆動する駆動
軸を共通として該駆動軸を単一のモータで駆動す
るとともに、上記第1及び第2の遠心型送風機の
回転翼車の翼の回転方向の相対位置が騒音を低減
するように調節して固定されていることを特徴と
する低騒音型送風装置。 The first and second centrifugal blowers are connected in series through a duct having a noise-reducing function, and a common drive shaft is used to drive the rotary impeller of the first and second centrifugal blowers. A low-noise device characterized in that the relative positions in the rotational direction of the blades of the rotary vanes of the first and second centrifugal blowers are adjusted and fixed so as to reduce noise. Type blower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8597890U JPH0444500U (en) | 1990-08-14 | 1990-08-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8597890U JPH0444500U (en) | 1990-08-14 | 1990-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0444500U true JPH0444500U (en) | 1992-04-15 |
Family
ID=31817391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8597890U Pending JPH0444500U (en) | 1990-08-14 | 1990-08-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0444500U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013148048A (en) * | 2012-01-23 | 2013-08-01 | Panasonic Corp | Blower with silencing box |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4980609A (en) * | 1972-12-08 | 1974-08-03 | ||
JPS5126641A (en) * | 1974-08-30 | 1976-03-05 | Dainippon Printing Co Ltd | TSUGIMENASHIKINZOKUSEIMUTANTAIJOTAINOSEIZOHO |
JPS642312A (en) * | 1987-06-25 | 1989-01-06 | Rishiyou Kogyo Kk | Capacitor element |
-
1990
- 1990-08-14 JP JP8597890U patent/JPH0444500U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4980609A (en) * | 1972-12-08 | 1974-08-03 | ||
JPS5126641A (en) * | 1974-08-30 | 1976-03-05 | Dainippon Printing Co Ltd | TSUGIMENASHIKINZOKUSEIMUTANTAIJOTAINOSEIZOHO |
JPS642312A (en) * | 1987-06-25 | 1989-01-06 | Rishiyou Kogyo Kk | Capacitor element |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013148048A (en) * | 2012-01-23 | 2013-08-01 | Panasonic Corp | Blower with silencing box |
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