Temperature insensitive pressure jump detector

Details Temperature insensitive pressure jump detector Temperature insensitive pressure jump detector

1980-09-09

1986-04-01

Woodiel, Donald O.

Measuring and testing

Meteorology

Electric disturbance

73708, 181256, G01W 100, F01N 114

Patent

active

045789940

ABSTRACT:
An acoustic capacitor of minimum size and minimum susceptability to temperature-induced internal pressure change. The capacitor comprises an insulated container having an internal member of high heat capacity material surrounded by a porous thermally conductive material; the member acts as a heat sink, slowing the rate of change of pressure due to change in ambient temperature. The internal pressure that is built up due to temperature change is bled off by the same orifice that equilibrates the internal pressure to ambient atmospheric pressure.

REFERENCES:
patent: 722567 (1903-03-01), Crawford
patent: 2159703 (1939-05-01), Koch
patent: 2240750 (1941-05-01), Bestelmeyer
patent: 2285521 (1942-06-01), Kollsman
patent: 3924464 (1975-12-01), Cummins

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