H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/102
H02K 1/12 (2006.01) H01R 39/36 (2006.01) H02K 3/00 (2006.01) H02K 5/14 (2006.01)
Patent
CA 1248574
Improvements in or relating to electric Motors Abstract A stator assembly of an electric motor includes a lamination stack, a field coil an end cap having a plastics body fixed to the lamination stack, a brush box made of electrically conducting material, mounted on the plastics body and housing brushes resiliently biased towards the axis of the assembly, and a plurality of electrical conductors in the form of strips of predetermined configuration located on the plastics body for making electrical connections between components of the motor. The electrical conductors include a first conductor extending from the brush box, a second conductor extending from a termination of the field coil and a conducting means, which incorporates an inductance, connects the first and second conductors, The inductance in the connec- tion is altered by altering the inductance of the conducting means. The first conductor is wrapped around the brush box to give a good and reliable electrical connection. The end wall of the brush box is connected by a tongue enabling it to be flexed repeatedly to allow brush replacement without the end wall breaking off. An impedance, typically a capacitor, that is connected across the power supply of the motor is clamped on the end cap by a plastics clamping arm.
462753
Black & Decker Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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