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. 28, 2026
Filed:
Nov. 15, 2022
Zhejiang Dunan Artificial Environment Co., Ltd., Shaoxing, CN;
Zhijun Kang, Shaoxing, CN;
Fangying Zhu, Shaoxing, CN;
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD., Shaoxing, CN;
Abstract
Disclosed is an electronic expansion valve. The electronic expansion valve includes: a valve housing, wherein the valve housing is provided with an accommodating cavity and a valve port, and the accommodating cavity is in communication with the valve port; a valve needle, wherein the valve needle is provided with a first end and a second end, the second end of the valve needle blocks or opens the valve port, and the valve needle includes a first guide section, a threaded section and a second guide section that are sequentially arranged; and a nut seat, wherein the nut seat is arranged in the accommodating cavity and is fixedly connected with the valve housing, a first through hole is provided on the nut seat, and the first through hole includes a first guide hole section, a threaded hole section and a second guide hole section that are sequentially arranged.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile