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:
Mar. 22, 2022
Filed:
Jul. 02, 2020
Shandong Keyuan Water Supply and Drainage Equipment Engineering Co. Ltd., Dezhou, CN;
Yonghua Zhang, Dezhou, CN;
Huiming Zhang, Dezhou, CN;
Qinghong Yan, Dezhou, CN;
Hongbo Wang, Dezhou, CN;
Mei Li, Dezhou, CN;
Lianyong Wang, Dezhou, CN;
Jiandong Gao, Dezhou, CN;
Chunfang Xu, Dezhou, CN;
Qingbo Song, Dezhou, CN;
Abstract
A safety device for hydrodynamic pressure regulating pipe network includes a gate valve, which comprises at least a valve body and a gate. A water inlet of the gate valve is used to be connected to a water inlet pipeline. A hydraulic driving device, which comprises a hydraulic cylinder, is also included. The hydraulic cylinder includes a cylinder body, a piston and a piston rod. The piston rod is connected to the gate. The lower part of the inner cavity of the cylinder body is connected to the water inlet pipeline through a gate opening power pipelines. The upper part of the inner cavity of the cylinder body is connected to a gate closing driving device, which is used to drive the gate and close the gate valve.