Hot spot temperature sensor

Details Hot spot temperature sensor Hot spot temperature sensor

1977-02-08

1978-07-25

Swisher, S. Clement

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73339A, 73579, G01K 1126

Patent

active

041021959

ABSTRACT:
A temperature sensor arrangement which utilizes high Q temperature sensitive resonators coupled to an acoustic waveguide. Several resonators, each resonant at a different frequency, are positioned at various locations in a system to be monitored and an acoustic signal is sent down the waveguide. Reflected acoustic energy is examined for the presence of the various resonant frequencies. Since the resonant frequency of each resonator is temperature sensitive, the detected signals provide an indication of temperature at the respective various locations.

REFERENCES:
patent: 3318152 (1967-05-01), Thompson et al.
patent: 3350942 (1967-11-01), Peltola
patent: 3580058 (1971-05-01), Lynnworth
patent: 3595069 (1971-07-01), Fowler
patent: 3633424 (1972-01-01), Lynnworth et al.
patent: 3636754 (1972-01-01), Lynnworth et al.
patent: 3927570 (1975-12-01), Hedvall et al.
patent: 3999433 (1976-12-01), Taplin

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