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. 21, 2026
Filed:
Sep. 30, 2022
Zhejiang Dunan Artificial Environment Co., Ltd., Shaoxing, CN;
Yuchen He, Shaoxing, CN;
Guanjun Xu, Shaoxing, CN;
Yonghao Chen, Shaoxing, CN;
Jun Zhao, Shaoxing, CN;
Hongfeng Huang, Shaoxing, CN;
Tonghui Liu, Shaoxing, CN;
Qiubo He, Shaoxing, CN;
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD., Shaoxing, CN;
Abstract
The present disclosure provides an electronic expansion valve, which includes: a valve body having an accommodating cavity and a valve port, and the valve port communicates with the accommodating cavity; a guide sleeve, which is disposed in the accommodating cavity; a valve head, which is movably disposed in the guide sleeve and configured for blocking or opening the valve port, and a balance channel is disposed in the valve head so as to enable two ends of the valve head to be communicated; the valve head has a first end and a second end which are oppositely disposed, the first end is configured for blocking the valve port, a refrigerant medium and the first end have a first stress area S, the refrigerant medium and the second end have a second stress area S, and −1.3 mm≤S−S≤1.3 mm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile