Valve block test apparatus

Details Valve block test apparatus Valve block test apparatus

1985-09-20

1986-10-07

Kellogg, Arthur

Glass manufacturing

With signal, indicator, inspection means, register, or recorder

65 29, 65DIG13, 73 4R, 137559, C03B 940

Patent

active

046157220

ABSTRACT:
A test apparatus for measuring activation and deactivation times of solenoid-operated pilot and air-operated cartridge valves in a valve block assembly for an air-operated IS glassware-forming machine. The test apparatus includes pressure transducers for selective individual connection to the outputs of the solenoid and cartridge valves of a valve block assembly, and an array of electrical switches for selectively energizing the solenoid of a solenoid valve to be tested. A first pair of counters measure activation and de-activation times of the solenoid valve under test, and a second pair of counters measure activation and de-activation times of a solenoid/cartridge valve combination under test. The measured times are displayed in milliseconds at associated numeric displays. A flow meter is connected to the exhaust port of a cartridge valve under test for measuring leakage of air past the seals and seats of the cartridge valve.

REFERENCES:
patent: 2818726 (1958-01-01), Amonette et al.
patent: 3587290 (1971-06-01), Beauchamp et al.
patent: 4102175 (1978-07-01), Foster
patent: 4512179 (1985-04-01), Umble et al.

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