Circumferential arc segment motor cooling fan
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Feb 21, 2002
app pub date -
Aug 20, 2001
filing date -
Aug 18, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A cooling fan according to the present invention includes a housing. A fan assembly includes a plurality of fan blades carrying a rotor ring at the outer circumference of the fan assembly. A plurality of stator elements are supported by the housing to confront the rotor ring around only a portion of the outer circumference of the fan assembly. A motor controller is operatively connected to the stator elements to induce force on the rotor ring to turn the fan assembly.
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