18503217. ROTOR FOR A PERMANENT MAGNET ELECTRIC MACHINE (GM Global Technology Operations LLC)
ROTOR FOR A PERMANENT MAGNET ELECTRIC MACHINE
Organization Name
GM Global Technology Operations LLC
Inventor(s)
Edward L. Kaiser of Orion MI US
ROTOR FOR A PERMANENT MAGNET ELECTRIC MACHINE
This abstract first appeared for US patent application 18503217 titled 'ROTOR FOR A PERMANENT MAGNET ELECTRIC MACHINE
Original Abstract Submitted
A rotor assembly for an electric machine includes first laminates, second laminates; and a rotor shaft, wherein the first laminates and the second laminates are arranged in a stack on the rotor shaft. Each of the first laminates includes a first inner portion and a plurality of first outer portions, wherein the first inner portion and the first outer portions define a plurality of first cavities, wherein the plurality of first outer portions are secured to the first inner portions via a plurality of bridges. Each of the second laminates includes a second inner portion and a plurality of second outer portions. The second inner portion and the plurality of second outer portions define a plurality of second cavities, wherein the second outer portions are secured to the second inner portions via a plurality of second webs and are absent a bridge.