Air gauge sensor

Details Air gauge sensor Air gauge sensor

1989-01-25

1990-09-04

Williams, Hezron E.

Measuring and testing

With fluid pressure

Dimension, shape, or size

G01B 1312

Patent

active

049533886

ABSTRACT:
A pneumatic bridge air gauge sensor. A measurement leg and a reference leg are used to measure a gap between a measurement probe and a surface. The two legs are initially balanced resulting in no air flow therebetween. A mass air flow sensor coupled between the two legs detects the mass air flow between the two legs resulting from a change in the gap distance from the balanced state.

REFERENCES:
patent: 2589251 (1952-03-01), Heinz
patent: 2986924 (1961-06-01), Becker
patent: 3482433 (1969-12-01), Gladwyn
patent: 3681974 (1972-08-01), McLellan et al.
patent: 4090406 (1978-05-01), Rodder
patent: 4142401 (1979-03-01), Wilson
patent: 4574617 (1986-03-01), Hetznecker et al.

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