Patent ID: 8550793
Filing Date: 2013-10-08
Classification: F01D,F01N,F02B,F04D,F05D,H02K,Y02E,Y02T

Abstract:
1. A compressor arrangement for compressing fresh air for an internal combustion engine, comprising: a rotating compressor wheel; and an electric motor including at least one rotor containing at least one rotor magnet and at least one stator, the motor having at least one rotor gap between the rotor and the stator, the rotor gap being configured so that with the compressor wheel rotating, at least 50% of an entirety of an air mass flow led to the compressor wheel is led through the rotor gap, wherein the compressor wheel is one of (a) fastened on a shaft and (b) contains the shaft, and wherein one of the rotor magnet and a carrier for holding the rotor magnet, as a separate component, is one of (i) assembled onto the shaft via one of a screwing, pressing, cottering, bonding, soldering, welding, peripherally injecting, shrinking onto and shrinking into the shaft and (ii) non-rotatably secured onto the shaft via a positive fit.