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1. (WO2014209873) CHARGING APPARATUS FOR A COMBUSTION ENGINE

Pub. No.:    WO/2014/209873    International Application No.:    PCT/US2014/043634
Publication Date: Thu Jan 01 00:59:59 CET 2015 International Filing Date: Tue Jun 24 01:59:59 CEST 2014
IPC: F02B 33/34
F02B 39/16
F04D 29/40
H02K 1/27
Applicants: BORGWARNER INC.
Inventors: SPINNER, Gerd
METZ, Dietmar
BLEIL, Andreas
RITZHAUPT, Victor
Title: CHARGING APPARATUS FOR A COMBUSTION ENGINE
Abstract:
The invention relates to a charging apparatus (20) for a combustion engine, comprising a compressor (1) which has a compressor housing (2) in which a compressor wheel (3) is arranged, said compressor wheel being mounted on one end (4) of a rotor shaft (5), and which has a compressor housing rear wall (6); and comprising an electric motor (7) which has a stator winding (12) which surrounds a magnet (11), which is arranged on the rotor shaft (5), on the outside, wherein the stator winding (12) is in the form of an iron-free stator winding, and wherein the electric motor (7) is in the form of a brushless DC motor.