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:
Sep. 14, 2021
Filed:
Dec. 28, 2019
Applicant:
Zhongshan Broad-ocean Motor Co., Ltd., Zhongshan, CN;
Inventors:
Assignee:
ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD., Zhongshan, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/08 (2006.01); F04D 17/10 (2006.01);
U.S. Cl.
CPC ...
F04D 29/083 (2013.01); F04D 17/10 (2013.01);
Abstract
A volute assembly including a volute and a cover plate. The volute includes a cavity. The cover plate is disposed on the volute and covers the cavity. The cover plate includes an air inlet; the volute includes an exhaust duct. The exhaust duct includes an air outlet. The exhaust duct includes a first part, a second part, and a third part sequentially connected in that order. The first part is directly connected to the volute. The air outlet is disposed on the third part. The inner diameter of the second part increases in the direction from the first part to the third part.