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:
Oct. 26, 2021
Filed:
Apr. 24, 2019
Johnson Electric International Ag, Murten, CH;
Weixing Mao, Shenzhen, CN;
Fan Ouyang, Shenzhen, CN;
Chuan Liu, Shenzhen, CN;
Long Yan, Shenzhen, CN;
Ming Zhang, Shenzhen, CN;
Zude Bai, Shenzhen, CN;
Selvakumar Periyasamy, Chennai, IN;
JOHNSON ELECTRIC INTERNATIONAL AG, Murten, CH;
Abstract
A transmission shell is applied to an actuator, and an accommodating space for receiving a transmission assembly is formed in the transmission case, the transmission shell is provided with a first ventilation structure, and the first ventilation structure includes a venting hole and a blocking wall disposed around the venting hole; the venting hole is in gas communication with the accommodating space; the blocking wall is disposed on an outer periphery of the venting hole to form a buffering chamber communicating with the venting hole, and an opening is provided at an end away from the venting hole. The present disclosure also provides a transmission case and an actuator using the above transmission shell. The venting hole is effectively waterproof and moisture-proof without requiring a sealing element, and are simple in structure, easy to manufacture, and low in cost.