Elongated air jet device and method
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United States of America Patent
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Apr 14, 2020
Grant Date -
Jun 22, 2017
app pub date -
Dec 15, 2016
filing date -
Dec 16, 2015
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Abstract
A fan assembly, and associated methods are shown that may include tapering configurations in a nozzle assembly. Configurations are shown that are optimized for thrust. Examples of assemblies and methods are shown that include sound attenuating materials and jagged edges to reduce noise. Configurations are shown that provide a substantially constant or increasing air velocity. Configurations are also shown that provide a static pressure of 120 percent or less of a given dynamic pressure.
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