Patent ID: 6630765
Filing Date: 2003-10-07
Classification: H01R

Abstract:
A replacement slip ring assembly for an electric machine, having a rotor with a rotatable shaft being rotatable along a longitudinal axis, a field coil having a pair of coil leads, a fan having a central aperture through which the shaft passes, the pair of coil leads passing through a pair of openings in the fan, the replacement slip ring assembly comprising:a pair of replacement slip rings longitudinally spaced from the fan, each replacement slip ring having a coupling terminal, said replacement slip rings being secured to said shaft, one of said coupling terminals being secured to one of the pair of coil leads of the coil, and the other one of the coupling terminals being secured to the other one of the pair of coil leads; and a pair of retaining members for securing the pair of coil leads and the coupling terminals to the fan, wherein said pair of retaining members are ultrasonically welded to said fan; and wherein said pair of replacement slip rings are secured to the electric machine after an original slip ring assembly is removed from the electric machine and said pair of retaining members provide a means for securing the pair of coil leads and the coupling terminals to the fan in substantially the same location as the pair of coil leads and the coupling terminals of the original slip ring assembly.