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:
May. 25, 2021
Filed:
Apr. 23, 2018
Gd Midea Environment Appliances Mfg. Co., Ltd., Zhongshan, CN;
Midea Group Co., Ltd., Foshan, CN;
Runming Guo, Zhongshan, CN;
Fengxi Yan, Zhongshan, CN;
Weiliang Liu, Zhongshan, CN;
Xusheng Zhang, Zhongshan, CN;
Meihua Deng, Zhongshan, CN;
Tuanguang Jiang, Zhongshan, CN;
GD MIDEA ENVIRONMENT APPLIANCES MFG. CO., LTD., Zhongshan, CN;
MIDEA GROUP CO., LTD., Foshan, CN;
Abstract
A rear guard of a box fan comprises: a body arranged vertically and a waterproof part arranged on the body. The waterproof part is arranged in a position corresponding to a motor in the box fan and the waterproof part comprises a plurality of recessed structures arranged on the body. a plurality of vent holes are arranged on the body for communicating an inner side of the body with an outer side of the body are arranged in the recessed structures. By arranging the vent holes in the recessed structures, the waterproof effect is realized on the premise of ensuring ventilation, the electric leakage and ignition of the motor can be effectively prevented, and the lifetime of the motor of the box fan is extended.