Patent ID: 9127676
Filing Date: 2015-09-08
Classification: F01C,F04C,Y10T

Abstract:
1. A method for the axial positioning of bearings on a shaft journal of a rotor, wherein axial play of the rotor in a rotor housing is adjusted by a spacer ring, comprising the steps: setting the play of the rotor in an axial direction in the housing to zero by keeping the rotor pressed in a direction of a respective shaft journal end with a force; with an interference fit, affixing a spacer ring and a first bearing to the shaft journal, such that an outer race of the first bearing is pressed into a seat in the housing, so that the outer race is moved axially with respect to an inner race of the first bearing, over a distance that is selected to achieve a desired axial play; pressing a second bearing over the shaft journal and in the seat, so that an inner race of the second bearing abuts the inner race of the first bearing, without moving the first bearing and the spacer ring, and so that a gap is left between the outer races of the two bearings; axially locking the inner races of the bearings onto the shaft journal; removing the force and axially locking the outer races of the bearings in the housing.