Blower assembly with integral injection molded suspension mount
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United States of America Patent
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-
Apr 23, 2013
Grant Date -
Oct 25, 2007
app pub date -
Apr 13, 2007
filing date -
Apr 20, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blower assembly comprises a blower housing having a stator assembly integrally formed therewith. The stator assembly includes a stator bore having a rotor magnet rotatable therewithin such that the motor assembly is configured as a brushless D.C. motor. An impeller is mounted on a motor shaft of the motor assembly and has a plurality of vanes extending upwardly therefrom. Each one of the vanes has a vane height which is optimized to minimize the formation of fluid eddy losses during compression of air by the impeller. A bearing assembly rotatably coupling the rotor magnet to the stator assembly is sized and configured to maintain an air gap of approximately 0.0002 inches between the vanes and a housing interior surface of the blower housing during rotation of the impeller.
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