Measuring and testing – With fluid pressure – Leakage
Patent
1993-01-25
1994-09-27
Williams, Hezron E.
Measuring and testing
With fluid pressure
Leakage
G01M 326
Patent
active
053498461
ABSTRACT:
A portable leak detection system. The inventive system (10) includes a portable housing (40). The housing is equipped with a pneumatic circuit including an inlet (12) for receiving fluid from a source and an outlet (36) for communicating the fluid to an external unit under test. A flow meter (30) is disposed within the housing (40) between the inlet (12) and the outlet (36) for measuring the flow of the fluid into the unit under test. A calibration verification mechanism (50) is disposed within the housing (40) for verifying the calibration of the flow meter (30). In a specific implementation, the invention further includes a pressure regulator (22) disposed within the housing (40) between the inlet mechanism (12) and the flow meter (30). In the specific implementation, a first gauge (16) is disposed between the inlet (12) and the pressure regulator (22) for measuring the pressure of the fluid contained in the source and the calibration verification mechanism (50) is an orifice of predetermined diameter in an instrument panel of the housing (40).
REFERENCES:
patent: 2771769 (1956-11-01), Nielsen
patent: 3186214 (1965-06-01), Roberts
patent: 3872712 (1975-03-01), Westervelt et al.
patent: 3918291 (1975-11-01), Pauly et al.
patent: 4523452 (1985-06-01), Brayman
patent: 4794784 (1989-01-01), Bley
Martinez Erasmo
Walmsley Steven E.
Desnon-Low Wanda K.
Hughes Aircraft Company
Roskos Joseph W.
Sales Michael W.
Williams Hezron E.
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