Seal tester

Details Seal tester Seal tester

1991-09-12

1992-12-22

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 322

Patent

active

051725835

ABSTRACT:
A leak tester comprises a vacuum chamber in which a device under test is placed and a helium leakage detector connected to the vacuum chamber. The device under test is adapted to be filled with helium or with air-helium mixture through an exterior pipe entering the vacuum chamber and incorporating a coupling for connecting it to the device under test. The coupling is surrounded by a collector chamber connected by a pipe to a vacuum pump outside the vacuum chamber.

REFERENCES:
patent: 2255921 (1941-09-01), Fear
patent: 3577769 (1971-05-01), Roberts
patent: 3762212 (1973-10-01), Morley et al.
patent: 4282743 (1981-08-01), Pickett
patent: 4553435 (1985-11-01), Goldfarb et al.

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