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:
Jul. 14, 2026
Filed:
Jun. 28, 2022
Hefei Midea Refrigerator Co., Ltd., Hefei, CN;
Hefei Hualing Co., Ltd., Hefei, CN;
Midea Group Co., Ltd., Foshan, CN;
Bo Peng, Hefei, CN;
Yafei Zhu, Hefei, CN;
Bing Shi, Hefei, CN;
Shuo Yang, Hefei, CN;
Jinguo Yuan, Hefei, CN;
Yerui Feng, Hefei, CN;
Xiuliang Fu, Hefei, CN;
Zhuohua Jiang, Hefei, CN;
HEFEI MIDEA REFRIGERATOR CO., LTD, Heifei, CN;
HEFEI HUALING CO., LTD., Heifei, CN;
MIDEA GROUP CO., LTD., Foshan, CN;
Abstract
The disclosure relates to a field of electrical technology, and particularly discloses an electrical apparatus, a door opening and closing device and a control method of a clutch thereof. The door opening and closing device includes: a drive mechanism, a door ejection mechanism, a door rotation mechanism and an angle acquisition unit. a drive mechanism including a driver, a first transmission assembly, a second transmission assembly connected to the driver and simultaneously separably connected to the first transmission assembly, and a clutch-ejection-push assembly pushing the second transmission assembly to separate from or connect to the first transmission assembly; and a linkage gear connected to the first transmission assembly and simultaneously connected to the door ejection mechanism) and the door rotation mechanism. The angle acquisition unit is configured to acquire a rotation angle of the linkage gear.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile