Patent ID: 6437474
Filing Date: 2002-08-20
Classification: H02K,Y10T

Abstract:
A rotor for a synchronous motor comprising:a shaft including a first end portion having a peripheral shoulder provided thereon and including a second end portion, a first end plate engaged on said shaft and engaged with said peripheral shoulder of said shaft, said first end plate including an inner surface having a plurality of ribs extended therefrom, a plurality of laminated core members engaged on said shaft and engaged with said inner surface of said first end plate, said laminated core members including a plurality of radially arranged apertures formed therein for receiving said ribs of said first end plate, a plurality of permanent magnets received in said apertures of said laminated core members, and including a first end engaged with said ribs of said first end plate, and including a second end extended outward of said laminated core members, a second end plate engaged on said shaft and engaged with said laminated core members, said second end plate including an inner surface having a plurality of cavities formed therein for receiving said second end of said laminated core members, said second end plate including an outer portion, and a fastener engaged onto said second end portion of said shaft and engaged with said outer portion of said second end plate for securing said first end plate and said second end plate and said laminated core members on said shaft.