COMPLEX PRESSURE ENVIRONMENT TEST DEVICE
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United States of America Patent
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Issued Date -
Aug 12, 2021
app pub date -
Aug 26, 2019
filing date -
Aug 26, 2019
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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.
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