CPC F04D 25/06 (2013.01) [F04D 29/048 (2013.01); F16C 32/048 (2013.01); H02K 7/09 (2013.01)] | 13 Claims |
1. A refrigerant compressor comprising:
an electric motor configured to rotationally drive an impeller via a shaft; and
a radial magnetic bearing assembly including a lamination stack and a plurality of coils arranged relative to the stack, and wherein an annular cover covers an axial face of the coils,
wherein the annular cover comprises:
a first leg configured to extend into a slot formed in the lamination stack, and
a second leg radially spaced-apart from the first leg and configured to extend axially into a coil aperture of the lamination stack, wherein the second leg is sized and shaped so as to prevent contact between adjacent coils within the coil aperture.
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