Rotor assembly for dynamoelectric machine

Claim 1

A ROTOR ASSEMBLY FOR A DYNAMOELECTRIC MACHINE COMPRISING A ROTOR SHAFT HAVING A LOAD MEMBER FIXEDLY ATTACHED TO ONE END OF SAID SHAFT, A FIXED KEEPER RING ATTACHED TO THE LOAD END OF THE SHAFT, A FIRST BEARING ASSEMBLY CLOSELY SLIDABLY MOUNTED ON SAID SHAFT ADJACENT SAID KEEPER RING, A ROTOR SLEEVE MOUNTED ON SAID SHAFT WITH TWO PAIRS OF AXIALLY TAPERED, MATED RINGS, EACH PAIR OF SAID RINGS MOUNTED ON SAID SHAFT AT THE ENDS OF SAID ROTOR SLEEVE WITH THEIR TAPERED, MATED SURFACES IN CONTACT AND WITH THE INTERIOR CYLINDRICAL SURFACE OF ONE RING IN CONTACT WITH SAID SHAFT AND THE EXTERIOR CYLINDRICAL SURFACE OF THE OTHER RING IN CONTACT WITH THE INTERIOR SURFACE OF SAID ROTOR SLEEVE, A FIRST COMPRESSION SLEEVE SLIDABLY MOUNTED ON SAID SHAFT, ONE END ADJACENT SAID FIRST BEARING ASSEMBLY AND THE OTHER END ADJACENT ONE PAIR OF SAID MATED RINGS, A SECOND COMPRESSION SLEEVE SLIDABLY MOUNTED ON SAID SHAFT AND WITHIN SAID ROTOR SLEEVE BETWEEN AND ADJACENT TO SAID PAIRS OF RINGS, A THIRD COMPRESSION SLEEVE SLIDABLY MOUNTED ON SAID SHAFT ADJACENT THE SECOND PAIR OF SAID MATED RINGS, A SECOND BEARING ASSEMBLY CLOSELY SLIDABLY MOUNTED ON SAID SHAFT ADJACENT SAID THIRD COMPRESSION SLEEVE, AND MEANS FOR ADJUSTABLY APPLYING AXIAL PRESSURE TO SAID SECOND BEARING ASSEMBLY HOLDING SAID ROTOR ASSEMBLY IN COMPRESSION AGAINST SAID FIXED KEEPER RING AND EFFECTING RADIAL EXPANSION AND RADIAL CONTRACTION OF SAID RINGS INTO FRICTIONAL ENGAGEMENT WITH SAID ROTOR SLEEVE AND SAID ROTOR SHAFT RESPECTIVELY, SUCH FRICTIONAL ENGAGEMENT CONSTITUTING THE SOLE MEANS OF HOLDING SAID ROTOR SLEEVE AND ROTOR SHAFT TOGETHER FOR ROTATION IN UNISON.