Non-contact flueric temperature sensing method and apparatus

Details Non-contact flueric temperature sensing method and apparatus Non-contact flueric temperature sensing method and apparatus

1978-11-27

1980-03-04

Swisher, S. Clement

Measuring and testing

Gas analysis

Moisture content or vapor pressure

G01K 1100

Patent

active

041910524

ABSTRACT:
A flueric nozzle-baffle combination for remotely measuring the surface terature of either a stationary or moving object. The flueric nozzle opens to a sensing head which is preferably parallel to and opposed from the baffle surface of the object whose temperature is being measured. The back pressure of the fluid flowing through the nozzle is a function of the resistance to flow between the sensing head and the baffle which, in turn, is a function of temperature. If the distance between the sensing head and the baffle surface can be maintained constant, or can be measured by an auxiliary proximity sensor, the temperature may be computed as a linear function of sensed back pressure.

REFERENCES:
patent: 2455285 (1948-11-01), Versaw
patent: 2598178 (1952-05-01), Kalle
patent: 3077767 (1963-02-01), Olliver

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