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.

Date of Patent:
Dec. 02, 2025

Filed:

Apr. 19, 2023
Applicant:

Xiamen Hongfa Electric Power Controls Co., Ltd., Xiamen, CN;

Inventors:

Wenguang Dai, Xiamen, CN;

Meng Wang, Xiamen, CN;

Yaosheng Hong, Xiamen, CN;

Martin Kämper, Xiamen, CN;

Songsheng Chen, Xiamen, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 50/04 (2006.01); H01H 50/02 (2006.01); H01H 50/20 (2006.01); H01H 50/36 (2006.01); H01H 50/60 (2006.01);
U.S. Cl.
CPC ...
H01H 50/041 (2013.01); H01H 50/023 (2013.01); H01H 50/20 (2013.01); H01H 50/36 (2013.01); H01H 50/60 (2013.01); H01H 2050/025 (2013.01);
Abstract

A relay of the present disclosure includes an insulation cover, a first yoke plate, a contact assembly, a driving assembly and a pressure relief valve assembly. The first yoke plate is connected with the insulation cover and encloses a contact chamber with the insulation cover. The first yoke plate is provided with a pressure relief hole. The driving assembly is connected with the movable contact piece and configured to drive the movable contact piece move. The pressure relief valve assembly is arranged on the first yoke plate and configured to close the pressure relief hole when a gas pressure in the contact chamber is less than a threshold and configured to be broken to open the pressure relief hole when the gas pressure in the contact chamber is greater than or equal to the threshold.


Find Patent Forward Citations

Dai, Wenguang. (2025). Relay having a pressure relief valve assembly (U.S. Patent No. 12488954). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12488954

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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