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:
Nov. 12, 2024
Filed:
Jun. 28, 2020
Zhejiang Sanhua Intelligent Controls Co., Ltd., Zhejiang, CN;
Xianrang Wei, Zhejiang, CN;
ZHEJIANG SANHUA INTELLIGENT CONTROLS, CO., LTD, Zhejiang, CN;
Abstract
An electronic expansion valve includes a valve needle lead screw assembly, the valve needle lead screw assembly including a gasket portion, a spring and a lead screw assembly; the lead screw assembly includes a lead screw, the spring is sleeved outside the lead screw; the lead screw assembly includes a lower stop portion and an upper stop portion, the lower stop portion includes a lower flange portion or a main body portion, and the lower stop portion or the main body portion () can abut against the gasket portion. The upper stop portion includes an upper flange portion and/or an upper stop ring, and the upper flange portion and/or the upper stop ring abut against the spring; a lower end of the spring abuts against the gasket portion.