Appeal No. 1997-0397
Application 07/863,900
This is a decision on appeal under 35 U.S.C. § 134 from the
final rejection of claim 66. Claims 1-58 and 72-75 stand withdrawn.
Claims 59-65, 67-71, and 76 stand allowed.
We affirm.
BACKGROUND
The invention is directed to a brushless direct current (DC)
motor and a control circuit. The control circuit includes a
capacitor for controlling the input power supplied to the motor,
whereby the power output of a given motor may be preselectively
determined at the time of manufacture by selection of the capacitance
value.
Claim 66, the sole claim on appeal, is reproduced below.
66. An assembly of motor hardware and a control circuit
for use as a brushless DC motor said circuit including a
capacitor for controlling the input power supplied to said
hardware, said DC motor hardware including a permanently
magnetizable rotor magnetized to establish at least one north
and at least one south pole with a magnetic transition region
located between adjacent north and south rotor poles, a C-frame
ferromagnetic stator core defining a rotor accommodating bore,
and a plurality of energizable winding turns disposed about a
portion of the stator core for establishing alternating north
and south magnetic poles in the stator core at locations
adjacent to the bore; said winding turns being made from wire
having a preselected diameter, and said winding turns being of
a predetermined number; said stator core having a predetermined
stack height; said motor hardware being operable within a range
of power outputs with said range being determinable by the
capacitance of the capacitor when such capacitance is within a
predetermined range, and said capacitor being connected in
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