Patent ID: 9621001
Date: 2017-04-11
CPC Classifications: H02K

Claim:
1. A rotor assembly for an electric machine, the rotor assembly comprising: a plurality of lamination sheets, with each lamination sheet defining an aperture, wherein the plurality of lamination sheets are disposed adjacent each other to define a laminated stack, with the plurality of apertures aligned with each other to define a slot extending parallel with a central axis; and a magnet disposed within the slot; wherein the plurality of lamination sheets includes a tab lamination sheet having a tab extending into the slot and into abutting engagement with the magnet; and wherein the tab biases the magnet against a wall of the slot to secure the magnet in position relative to the laminated stack; wherein the plurality of lamination sheets includes a group of standard lamination sheets, and a group of recess lamination sheets, with the tab lamination sheet disposed between the group of standard lamination sheets and the group of recess lamination sheets.