| Original document(15 pages) Authorized document(7 pages) 中文版 |
The present invention provides a transforming conduct pipe used in combination of a centrifugal blower, through which the best blower efficiency can be obtained, without too long conduct pipe length. The conduct pipe comprises a top plate and a bottom plate observed to be concave from the above. Two side plates are connected with the top plate and the bottom plate, to form a structure with four side surfaces with an inlet on one side and an outlet on another side. The bottom plate has a longer lengthwise strength than the top plate. In addition, the conduct pipe is provided with a plane fitted with the edges of the inlet and a plane fitted with the edges of the outlet, the two planes intersects over the conduct pipe, and the included angle formed by the two planes is 1 degree to 60 degree. |
Application Number
申请号 |
89108558 |
Application Date
申请日 |
1989.11.15 |
| Title 名称 |
Transition duct for centrifugal fan |
Publication Number
公开号 |
1042759 |
Publication Date
公开日 |
1990.06.06 |
| Approval Pub. Date |
1992.04.08 |
Granted Pub. Date |
1992.04.08 |
| International Classification 分类号 |
F04D29/44 |
Applicant(s) Name
申请人 |
Baltimore Aircoil Co., Inc. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Richard H. Harrison;Vladimir Kaplan |
| Attorney & Agent 代理人 |
MA JIANGLI |
| More information 更 多 信 息 |
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