Patent ID: 9359899
Filing Date: 2016-06-07
CPC Classification: F01D,F16C

Claim Text:
1. A drive shaft system comprising a shaft, the shaft connected to a motor via a coupling and arranged to transmit a rotary movement from the motor to a rotor, wherein: the shaft is positioned by at least two supports within a shaft housing, at least one support comprising at least one bearing, wherein the at least one bearing comprises at least one of a) a bearing housing bearing enclosed within a bearing housing installed within and axially moveable along the shaft housing and b) a bearing sleeve bearing installed between the shaft housing and the shaft, and the drive shaft system further comprises at least one forcing element, the at least one forcing element comprising at least one of a) a bearing housing forcing element arranged to force the bearing housing against an inner side of the shaft housing or of a sleeve affixed to the shaft housing by applying a radial force on the bearing housing, while enabling axial movement of the shaft and bearing housing within the shaft housing, and b) a bearing sleeve forcing element arranged to force an outer side of the shaft against the bearing sleeve bearing or a bearing sleeve installed between the shaft and the bearing sleeve bearing by applying a radial force on the bearing sleeve or bearing sleeve bearing, while enabling axial movement of the shaft within the shaft housing, wherein the at least one forcing element consists of one or more linear spring units oriented in a radial direction.