Temperature insensitive pressure jump detector
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United States of America Patent
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Apr 1, 1986
Grant Date -
N/A
app pub date -
Sep 9, 1980
filing date -
Sep 9, 1980
priority date (Note) -
Expired
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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.
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