Intelligent gas flow measurement and leak detection apparatus

Details Intelligent gas flow measurement and leak detection apparatus Intelligent gas flow measurement and leak detection apparatus

1997-08-20

1999-01-19

Williams, Hezron

Measuring and testing

With fluid pressure

Leakage

7386152, 7386155, 1375991, G01M 308, G01F 137

Patent

active

058615466

ABSTRACT:
An intelligent leak test and gas flow measurement apparatus having a body with a conical bore, a center shaft positioned in the conical bore to form a laminar flow gap bounded by the surface of the conical bore and the center shaft, a precisely machined spacer at the second end portion of the body for positioning the center shaft within the conical bore, a pressure differential sensor in contact with the laminar flow gap. A temperature sensor for determining the temperature of the gas flowing through the laminar flow gap is located on a columnar housing and a static pressure sensor for measuring the static pressure is located within the columnar housing. A microcontroller connected to the pressure differential sensor, the temperature sensor and the static pressure sensor, which microcontroller uses embedded software to calculate gas flow measurements and leak detection. An inlet end cap is attached to the first end portion of the body and an outlet end cap is attached to the second end portion of the body to enclose the center bore of the body and the center shaft.

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patent: 5398721 (1995-03-01), Pryor
patent: 5445035 (1995-08-01), Delajoud
patent: 5554805 (1996-09-01), Bahrton

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