Gage

Details Gage Gage

1977-10-03

1979-03-06

Queisser, Richard C.

Measuring and testing

With fluid pressure

Dimension, shape, or size

73 1J, G01B 1312

Patent

active

041424018

ABSTRACT:
A gage for measuring the width of a gap. The gage includes a gaging conduit with an inlet and an outlet. Pressure means supplies gas to the inlet. A hot-wire anemometer is placed in the gaging conduit, and means is responsive to the condition of the anemometer to measure the size of the gap between the outlet of the gaging conduit and the surface as a function of the gas flow rate in the gaging conduit. In a preferred embodiment, a reference conduit is provided which has an inlet and an outlet, and which receives gas under pressure from the pressure source, and a reference orifice through which gas flows when exiting through the reference conduit. A hot-wire anemometer is placed in this reference conduit, the said means being responsive to differences in conditions of the two anemometers.

REFERENCES:
patent: 2986924 (1961-06-01), Becker
patent: 3709035 (1973-01-01), Defries et al.

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