Patent ID: 7293637
Filing Date: 2007-11-13
Classification: B60K,F16D,Y02T

Abstract:
1. An apparatus for transmitting power among multiple power sources and a transmission input, comprising: an internal combustion engine including a shaft; an electric motor including a rotor; a transmission input; a clutch hub driveably connected to the rotor; a first clutch secured to the clutch hub, for alternately closing and opening a drive connection between the transmission input and clutch hub; and a second clutch secured to the clutch hub, for alternately closing and opening a drive connection between the engine shaft and clutch hub; a support hub having first and second fluid passages; and a rotor hub assembly secured to the rotor, driveably connected to the clutch hub, and having a third fluid passage communicating with the first fluid passage, and a fourth fluid passage communicating with the second fluid passage; and wherein the clutch hub includes: a fifth fluid passage communicating with the first and third fluid passages for communicating with a cylinder of the first clutch; and a sixth fluid passage communicating with the second and fourth fluid passages for communicating with a cylinder of the second clutch.