Patent ID: 6474066
Filing Date: 2002-11-05
Classification: F02B

Abstract:
An electric-controlled idler-type supercharger, comprising:a turbine casing; a free rotor having a main body constituting a turbine, said turbine being internally provided at a predetermined position with a permanent magnet; an electric rotor including an electromagnet screwed to a transmission shaft of said electric rotor and a conductive coil wound around said electromagnet; and an electric control gear including two collector rings mounted around said transmission shaft, two carbon brushes separately connected to said two collector rings, two expansion springs having an end connected to said two carbon brushes and another end connected to two conductive terminals; said free rotor being rotatably mounted around an end of said transmission shaft, such that said permanent magnet of said free rotor is at a position corresponding to said electromagnet of said electric rotor; said conductive coil having two coil leads separately connected to said two collector rings of the electric control gear; and said free rotor, said electric rotor, and said electric control gear all being mounted in said turbine casing.