H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/119
H02K 13/00 (2006.01) H01R 39/41 (2006.01) H02K 5/14 (2006.01) H02K 9/26 (2006.01) H02K 9/28 (2006.01)
Patent
CA 1140626
ABSTRACT OF THE DISCLOSURE In an electromotor having a stator and a rotor, a collector is located on the rotor and carbon brushes are movably supported in brush supports relative to the outer circumferential periphery of the collector. Segment-shaped shells are located on the upstream sides of the carbon brushes and cover an angular part of the outer circum- ferential periphery of the collector. Downstream of the carbon brushes the outer circumferential periphery of the collector is uncovered. Accordingly, the collector can be cooled while protecting the collector and carbon brushes from contamination.
338065
Hilti - Aktiengesellschaft
Rolston George A.
LandOfFree
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