C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
73/69
C03B 9/40 (2006.01) C03B 9/41 (2006.01)
Patent
CA 1268350
ABSTRACT OF THE DISCLOSURE A test apparatus for measuring activation and de activation 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.
509126
Mccoy Wilbur Leonard
Steffan Leonard Dean
Gowling Lafleur Henderson Llp
Owens-Illinois Inc.
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