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.

Date of Patent:
Feb. 13, 2024

Filed:

Apr. 08, 2020
Applicants:

Qingdao Haier Drum Washing Machine Co., Ltd., Qingdao, CN;

Haier Smart Home Co., Ltd., Qingdao, CN;

Inventors:

Tao Li, Qingdao, CN;

Long Yang, Qingdao, CN;

Jindong Bing, Qingdao, CN;

Quan Liang, Qingdao, CN;

Dongdong Zhu, Qingdao, CN;

Zhenjia Chu, Qingdao, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/42 (2006.01); F04D 17/16 (2006.01); F04D 29/44 (2006.01); F04D 29/66 (2006.01); D06F 58/20 (2006.01);
U.S. Cl.
CPC ...
F04D 29/4226 (2013.01); F04D 17/16 (2013.01); F04D 29/441 (2013.01); F04D 29/667 (2013.01); D06F 58/20 (2013.01);
Abstract

A housing of a centrifugal fan, a centrifugal fan and a clothes dryer; a layered structure is provided within an air duct of the housing, and the layered structure is configured to be able to divide at least a part of the air duct into at least two air layers, the width of an air layer close to a strong air end being greater than the width of an air layer close to a weak air end. Also disclosed are a centrifugal fan having the housing and a clothes dryer having the centrifugal fan. By the layered structure being disposed within the air duct, the air duct is divided into at least two air layers, and the width of the wind layer close to the strong wind end is greater than the width of the wind layer close to the weak wind end.


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