Patent ID: 7673452
Filing Date: 2010-03-09
Classification: F01D,F02B,F05D,Y02T

Abstract:
1. A motor-driven supercharger comprising: (a) an electric motor disposed to accelerate and assist rotation of a compressor impeller, wherein the electric motor is disposed within a center housing and wherein the center housing is arranged between a turbine housing and a compressor housing; (b) an electric motor side cooling fluid flow path arranged to flow cooling fluid so as to cool the electric motor; (c) a turbine side cooling fluid flow path arranged to flow cooling fluid coming from the electric motor side cooling fluid flow path and to circulate cooling fluid so as to cool a portion of a turbine impeller side of the center housing, wherein a turbine impeller is disposed on the turbine impeller side of the center housing; and (d) a cooling fluid flow rate adjusting device for adjusting a flow rate of cooling fluid, wherein the cooling fluid flow rate adjusting device comprises