Collard & Roe, P.C.
Complex pressure environment test device
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.
JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY
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additional additional additional inventional
Yun Yongmei Zhengdao Wenxian Si Jian Baoji Yueyang
Chen Zhu Hua Tang Zhang Zhang Yin Wang