Brushless motor stator-winding system
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United States of America Patent
Stats
-
Jun 11, 1996
Grant Date -
N/A
app pub date -
May 20, 1994
filing date -
May 20, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stator coil pre-form assembly is comprised of coils held in compression between inner and outer sleeves. The sleeves are made of non-conductive, non-magnetic material which remain a permanent part of the completed structure after winding. Assembling the sleeves around the coils is accomplished by a winding core tool which is inserted through the center of the inner sleeve. The winding core tool has a dome-shaped head with coil-locating tabs at one end and a series of axially-extending pins around the circumference of the opposite end. Coil wires are wound around pairs of axially-opposing tabs and pins. The outer sleeve is then axially force-fitted over the coils. The tooling and preform permit the use of conventional, automated fly-winding equipment.
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