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. 24, 2023
Filed:
Dec. 17, 2019
Zhejiang Dunan Artificial Environment Co., Ltd., Zhejiang, CN;
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD., Zhejiang, CN;
Abstract
An electronic expansion valve (-) is provided. The electronic expansion valve (-) includes: a screw (-), a valve needle (-), and an elastic member (-). One end of the elastic member (-) acts on the screw (-) and the other end acts on the valve needle (-). A bearing (-) is arranged between the screw (-) and the valve needle (-). The bearing (-) has an inner ring and an outer ring. One of the screw (-) and the valve needle (-) is fixed with the inner ring of the bearing (-), and the other acts on the outer ring of the bearing (-) through the elastic member (-). An air conditioning system using the electronic expansion valve (-) is provided. In the electronic expansion valve (-), the bearing (-) is arranged between the valve needle (-) and the screw (-).