BARREL-STYLE COIL-ACTUATED VENT
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Sep 23, 2013
filing date -
Sep 23, 2013
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Abstract
An apparatus for circulating air includes a barrel through which the air is circulated, where the barrel includes a body having a first end and a second end, and a coil positioned near the second end of the barrel for controlling when the air is permitted to circulate through the barrel. In another embodiment, an apparatus for circulating air includes a grating through which the air is circulated and an actuator for controlling when the air is permitted to circulate through the grating, wherein the actuator is activated automatically in response to changes in ambient temperature without requiring a supply of electricity.
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