Patent ID: 8152489
Filing Date: 2012-04-10
Classification: F01D,F02B,F02C,F05D,Y02T

Abstract:
1. A motor-driven supercharger comprising: (a) a turbine shaft having a turbine impeller in one end; (b) a compressor impeller rotationally driven by the turbine shaft; (c) a bearing housing rotatably supporting the turbine shaft; (d) a compressor housing rotatably surrounding the compressor impeller and coupled to the bearing housing; (e) a motor stator fixed within the bearing housing; (f) a motor rotor rotationally driven by the motor stator; (g) a stator assembly inserted and attached to the bearing housing; and (h) a seal plate closely attached to a compressor side of the stator assembly and comparting between the compressor housing and the motor stator, wherein the stator assembly includes wherein the outer sleeve and the seal plate are fastened together in an axial direction between the bearing housing and the compressor housing.