Leak detector

Details Leak detector Leak detector

1976-10-08

1977-10-04

Queisser, Richard C.

Measuring and testing

With fluid pressure

Leakage

G01M 304, F17D 304

Patent

active

040517160

ABSTRACT:
In a leak detector of the by-pass check-valve type, as described in my U.S. Pat. No. 3,817,087, having a check-valve blocking lever that is pivotal by a leak flow through the by-pass, the leak flow being directed against the blocking lever through a nozzle mounted in slidable cooperation with a sleeve for concentrating the force of the leak flow and for following the blocking lever as it is pivoted thereby, thus maintaining the maximum force thereagainst, and thereby indicating a leak by restricting the opening of the check-valve and normal flow therethrough.

REFERENCES:
patent: 3788127 (1974-01-01), Marsh
patent: 3817087 (1974-06-01), Mooney

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