Complex pressure environment test device
US11105721B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2019 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Aug 26, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0232
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.