Mechanical resonator and method for thermoacoustic systems
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United States of America Patent
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Jun 17, 2003
Grant Date -
Nov 14, 2002
app pub date -
Apr 19, 2002
filing date -
Apr 20, 2001
priority date (Note) -
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Abstract
A mechanical resonator for a thermoacoustic device having a compressible fluid contained within a housing, the housing having a pair of heat exchangers and a thermodynamic medium therebetween. The resonator includes a member for mimicking dynamic conditions at a position of the housing; and a linear suspension element suspending the member in the housing. The mechanical resonator saves length and eliminates high-velocity flow losses. A transducer may also be mounted with the mechanical resonator to derive power in another form from the system, for example, electricity, or introduce power into the system. In combination, the transducer and mechanical resonator allow for cool-side driving of a thermoacoustic system.
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