The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2023
Filed:
Dec. 16, 2021
Applicant:
Yuan Fang Applied Materials Co., Ltd, Zhubei, TW;
Inventor:
Wen-Cheng Chien, Hsinchu, TW;
Assignee:
YUAN FANG APPLIED MATERIALS CO., LTD, Hsinchu County, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 17/02 (2006.01); F04D 29/28 (2006.01); F04D 17/16 (2006.01); F04D 19/00 (2006.01); F04D 29/32 (2006.01); F04D 29/38 (2006.01); F04D 29/30 (2006.01);
U.S. Cl.
CPC ...
F04D 29/281 (2013.01); F04D 17/16 (2013.01); F04D 19/002 (2013.01); F04D 29/30 (2013.01); F04D 29/325 (2013.01); F04D 29/384 (2013.01); F04D 17/025 (2013.01); F05D 2240/30 (2013.01);
Abstract
An airflow-doubling vane structure includes an axle, an inner vane unit, and an outer vane unit. The inner vane unit includes a plurality of vanes provided around a center defined by the axle and can be rotated along with the axle. The vanes of the inner vane unit are centrifugal vanes. The outer vane unit includes a plurality of vanes provided around the center defined by the axle and around the inner vane unit and can be rotated along with the axle. The vanes of the outer vane unit are axial-flow vanes and extend a certain radial distance from the vanes of the inner vane unit.