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. 31, 2021
Filed:
Aug. 26, 2019
Jiangsu University of Science and Technology, Zhenjiang, CN;
Yun Chen, Zhenjiang, CN;
Jian Zhang, Zhenjiang, CN;
Si Zhang, Zhenjiang, CN;
Wenxian Tang, Zhanjiang, CN;
Yueyang Wang, Zhanjiang, CN;
Zhengdao Hua, Zhenjiang, CN;
Baoji Yin, Zhenjiang, CN;
Yongmei Zhu, Zhenjiang, CN;
JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY, Zhenjiang, CN;
Abstract
A complex pressure environment test device, comprising a test table and a hydraulic control system. The test table comprises a base for fastening a closure head under test, and an outer cover; the base has water inlets and outlets. The hydraulic control system comprises a watering hydraulic pump, a pressurizing hydraulic pump, and a pilot-operated overflow valve; the watering hydraulic pump is separately connected to a first two-position two-way valve and a second two-position two-way valve; the second two-position two-way valve is connected to a second one-way valve; the second one-way valve is separately connected to a water inlet and a first pilot-operated pressure regulating valve; the first pilot-operated pressure regulating valve is separately connected to a first remote pressure regulating valve and a first one-way valve. There is also a hydraulic circuit is present and used for testing.