Combined axial flow and centrifugal fan in an electrical motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 17, 2002
Grant Date -
Jul 4, 2002
app pub date -
Dec 29, 2000
filing date -
Dec 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an exemplary embodiment, a motor assembly includes a shaft and a compound fan assembly that provides axial and centrifugal air flow. The fan assembly includes a body including an outer surface, a cavity defined by the body outer surface, a plurality of first blades extending radially outwardly from the body outer surface, and a plurality of second blades disposed within the cavity. The shaft is concentric with the body and the second blades are rotatably coupled to the shaft.
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