Patent ID: 6663527
Filing Date: 2003-12-16
Classification: B60K,F04C,F16H

Abstract:
A transfer case system comprising:a planetary gear set comprising a sun gear, a ring gear, at least one planetary gear intermeshed with the sun gear and ring gear, and a planetary carrier rotatably connected with the at least one planetary gear; a torque sink connected with the sun gear, the torque sink further comprising a pump having an outer rotor, an inner rotor, a fluid inlet line, a fluid outlet line, a fluid reservoir, and a fluid flow control device, wherein the sun gear is connected with a rotor of the pump; and, a torque input shaft operably connected with the planetary carrier, the torque input shaft also coupled with a primary drive train; wherein the torque sink applies a braking force to the rotation of the sun gear in response to instructions from a controller, causing the ring gear to output torque to a secondary drive train.