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:
Feb. 13, 2024
Filed:
May. 13, 2020
Qingdao Haier Drum Washing Machine Co., Ltd., Qingdao, CN;
Haier Smart Home Co., Ltd., Qingdao, CN;
Tao Li, Qingdao, CN;
Peishi Lv, Qingdao, CN;
Jindong Bing, Qingdao, CN;
Rongfeng Cheng, Qingdao, CN;
Long Yang, Qingdao, CN;
QINGDAO HAIER DRUM WASHING MACHINE CO., LTD., Qingdao, CN;
Haier Smart Home Co., Ltd., Qingdao, CN;
Abstract
A centrifugal fan and a dryer, where the centrifugal fan includes a shell, a driving mechanism, an impeller and a volute tongue arranged in the shell, the driving mechanism is connected with the tongue and can drive the tongue to rotate between a first limit position and a second limit position, the tongue includes a first volute tongue part and a second volute tongue part; when the tongue is located at the first limit position and the impeller rotates forwards, the first tongue part abuts against the inner wall of one side of the shell in a sealed mode, the second tongue part can cut the air blown by the impeller, and when the tongue is located at the second limit position and the impeller rotates reversely, the first tongue part can cut air blown by the impeller.