Acoustic system with transducer and venturi
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United States of America Patent
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Feb 18, 1992
Grant Date -
N/A
app pub date -
Sep 13, 1990
filing date -
Sep 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An acoustic system has a chamber (12) having an input (14) for receiving an input acoustic wave and guiding the input acoustic wave along a flowpath (16) to a chamber output (18), an acoustic transducer (20, 22, 24) interacting with the acoustic wave in the chamber (12), and a venturi (30, 32, 34) drawing air into the flowpath (16) to flow to the chamber output (18). The venturi aspirates internal areas of the chamber to keep the acoustic transducers clean and/or aspirates external air into the chamber past the transducers to cool same.
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