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:
Nov. 01, 2022
Filed:
Jan. 06, 2020
Midea Group Co., Ltd., Foshan, CN;
Lele Ming, Foshan, CN;
Hui Zhang, Foshan, CN;
Xiaowen Hu, Foshan, CN;
Shuqi Li, Foshan, CN;
Zhu Yang, Foshan, CN;
MIDEA GROUP CO., LTD., Foshan, CN;
Abstract
A vacuum clear and an electric motor module () therefor are provided. The electric motor module () includes an outer casing () provided with an air inlet () at a front side thereof and an air outlet () at a rear side thereof; an electric motor assembly () arranged in the outer casing (), and cooperating with the outer casing () to define an air passage in communication with the air inlet () and the air outlet (); and a silencer () arranged at the air inlet (), defining at least one resonant cavity therein, and the at least one resonant cavity having a side wall provided with a throat in communication with the resonant cavity.