Patent ID: 6834750
Filing Date: 2004-12-28
Classification: B60K,F16D,Y02T,Y10S

Abstract:
A roller clutch for a hybrid vehicle having an engine with a crankshaft and an electric motor with an output, said roller clutch comprising:a first race connected to one of the crankshaft and the output and having a generally faceted surface with at least three cammed surfaces, each of the cammed surfaces including a dimple formed within the cammed surface and positioned at a center of the cammed surface; a second race located concentrically with the first race, connected to the other of the crankshaft and the output, and having a cylindrically shaped surface; a roller set having at least three rollers positioned between the first race and the second race and adapted to provide selective engagement and disengagement of the first race and the second race; an electromagnetic coil adapted to selectively create an electromagnetic field; an armature coupled to the second race and adapted to conduct the electromagnetic field; and an activation disk adapted to move between a disengaged position, in which the actuation disk is disengaged with the second race, and an engaged position, in which the actuation disk is engaged with the second race, based on the presence of the electromagnetic field.