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:
Jun. 28, 2022
Filed:
May. 17, 2019
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Xixi Kuang, Guangdong, CN;
Cheng Zeng, Guangdong, CN;
Zhongmei Wei, Guangdong, CN;
Weixue Lin, Guangdong, CN;
Ge Yu, Guangdong, CN;
Gree Electric Appliances, Inc. of Zhuhai, Guangdong, CN;
Abstract
The present disclosure provides a centrifugal fan blade, an air treatment device and a fan; the centrifugal fan blade includes a hub and a plurality of fan blades; the plurality of fan blades are distributed around the periphery of the hub; each fan blade includes a first blade and a second blade; moreover, the first blade is in a backward blade form; and the second blade is in a forward blade form. The centrifugal fan blade can improve the flowing of the airflow and improve the air output efficiency.