Gas module valve automated test fixture

Details Gas module valve automated test fixture Gas module valve automated test fixture

1999-05-06

2000-12-26

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

Fluid pressure

G01L 2700

Patent

active

061641162

ABSTRACT:
A test fixture for a laser gas module offers automatic and manual testing for individual gas module components. Check or pressure relief valves are tested with an increasing pressure ramp caused by a metered gas flow into a ballast tank. Metering orifices are tested by measuring pressure change in a known volume tank as gas to or from the tank is directed through the orifice under test. The fixture includes capability to test valve logic and leakages. Test sequence and results are monitored on a computer display showing a schematic representation of both module and fixture. Manual control of module and fixture components is done via a computer graphic interface.

REFERENCES:
patent: 4527415 (1985-07-01), Chabat-Courrede
patent: 4598579 (1986-07-01), Cummings et al.

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