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:
Aug. 02, 2022
Filed:
May. 18, 2021
Zhejiang University City College, Hangzhou, CN;
China University of Mining and Technology, Xuzhou, CN;
Qiang Zuo, Hangzhou, CN;
Haigang Ding, Xuzhou, CN;
Zhuhua Deng, Hangzhou, CN;
Ziwen Sang, Xuzhou, CN;
Qianqian Lu, Hangzhou, CN;
Anping Wan, Hangzhou, CN;
Wei Shao, Hangzhou, CN;
Pengfei Wang, Hangzhou, CN;
ZHEJIANG UNIVERSITY CITY COLLEGE, Hangzhou, CN;
CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Xuzhou, CN;
Abstract
An electro-hydraulic proportional valve includes: a valve core; a valve sleeve, sleeving an outside of the valve core; a valve body, sleeving an outside of the valve sleeve and fixedly connected to the valve sleeve; a left end cap, covering an end of the valve body, a left sensitive cavity being defined by the left end cap, the valve body, and the valve sleeve; a right end cap, covering the other end of the valve body, a right sensitive cavity being defined by the right end cap, the valve body, and the valve sleeve; a driving mechanism disposed out of the valve body; and a transmission mechanism connected to the driving mechanism and the valve core.