Patent ID: 10132236

Abstract:
A vehicle supercharger assembly (110) comprises a dual generator comprising first and second co-axial relatively rotatable armatures (14a, 14b), and a first disengageable clutch (32) between the armatures (14a, 14), said first armature (14a) being adapted for permanent drive from a source of motive power, and said second armature (14b) being driven by said first armature (14a) on engagement of said first clutch (32); a supercharcharger impeller (24), the second armature (14b) driving the impeller (24) mechanically via a gear train; an electric motor coupled to the gear train and operable to adjust the rotational speed of the impeller (24); wherein, in use, the electric motor is electrically driven on demand from a generator comprising the second armature (14b).