US 11,942,829 B2
Bonded rotor plate
John R. Smerczak, Ortonville, MI (US); Jay A. Steele, Grand Blanc, MI (US); and Anthony J. Mattord, Macomb Township, MI (US)
Assigned to BORGWARNER INC., Auburn Hills, MI (US)
Filed by BorgWarner Inc., Auburn Hills, MI (US)
Filed on Jul. 26, 2022, as Appl. No. 17/873,836.
Prior Publication US 2024/0039352 A1, Feb. 1, 2024
Int. Cl. H02K 1/30 (2006.01); H02K 15/03 (2006.01)
CPC H02K 1/30 (2013.01) [H02K 15/03 (2013.01); Y10T 29/53143 (2015.01)] 10 Claims
OG exemplary drawing
 
1. A rotor assembly used in an electric motor, comprising:
a rotor having an inner diameter, an outer diameter, and a plurality of rotor slots;
a plurality of permanent magnets received within the rotor slots; and
a rotor plate having an inner diameter, an outer diameter, an outer lip extending away from a radial face of the rotor plate toward the rotor, and a plurality of rotor pads on the radial face of the rotor plate that contact the rotor, wherein an adhesive bonds the rotor plate to a radial face of the rotor.