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. 07, 2026
Filed:
Dec. 16, 2023
Zhejiang Dunan Artificial Environment Co., Ltd., Shaoxing, CN;
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD., Shaoxing, CN;
Abstract
A four-way valve and an air conditioning system provided with same are provided. The four-way valve includes a valve body, a piston and a sealing member. The valve body is provided with a valve cavity. The piston is movably disposed in the valve cavity. The sealing member is disposed on the piston and at least a part of the sealing member fits against an inner wall of the valve cavity. The valve cavity is separated into a high-pressure chamber and a low-pressure chamber by the piston. The piston is provided with an air passage structure which is in communication with the sealing member, and the air passage structure is in communication with the high-pressure chamber. A medium in the high-pressure chamber is in contact with the sealing element through the air passage structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile