Vacuum system testing tool

Details Vacuum system testing tool Vacuum system testing tool

1994-10-13

1996-07-30

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 304

Patent

active

055400841

ABSTRACT:
A vacuum system testing tool for checking a vacuum system for leaks or restrictions includes a hollow housing defining a central chamber, with a calibrated air flow orifice, a connector for connecting the tool to the system to create a pressure drop across the air flow orifice, and a device for measuring the pressure drop.

REFERENCES:
patent: 949640 (1910-02-01), Westcott
patent: 1055343 (1913-03-01), Mark
patent: 1116720 (1914-11-01), McGuire
patent: 1186558 (1916-06-01), Dunn
patent: 1237092 (1917-08-01), Preston
patent: 1489761 (1924-04-01), Heidbrink
patent: 4272985 (1981-06-01), Rapson, Jr. et al.

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