Thermal chimney equipped audio speaker cabinet
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United States of America Patent
Stats
-
Feb 20, 2007
Grant Date -
Aug 4, 2005
app pub date -
Jan 30, 2004
filing date -
Jan 30, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermally conductive chimney tube extends through a loudspeaker cabinet that encloses a volume of air heated by a speaker driver. The open ends of the chimney are outside the cabinet. A column of air within the chimney is in contact with the external ambient air, but sealed off from the enclosed volume of air. As the speaker driver heats the enclosed volume of air, the material of the chimney transfers the heat to the column of air, which rises and carries the heat away into the external ambient air, cooling the inside of the loudspeaker cabinet and thus cooling the speaker driver.
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