TORQUE MANAGEMENT UNIT WITH INTEGRATED HYDRAULIC ACTUATOR

摘要

The present disclosure provides an improved, integrated electronically controlled hydraulic-based torque distribution system and related method. The torque distribution system of the present disclosure includes an electric motor that drives a pump that generates hydraulic pressure used to selectively activate a clutch pack to transfer torque to the wheels of a motor vehicle.

主权项

1. A torque management system for a motor vehicle comprising:
a differential cover including an interior surface and an exterior surface; a first output shaft extending outwardly from the differential cover configured to drive the rotation of a first vehicle wheel; a differential carrier rotatable about an axis; a gear assembly housed within the differential carrier, the gear assembly being coupled to the first output shaft and a second output shaft, the first and second output shafts being aligned along the axis, the gear assembly being configured to transfer torque from differential carrier to the first and second output shafts while also allowing the first and second output shafts to rotate at a different rotational speeds about the axis, the second output shaft being configured to drive the rotation of a second vehicle wheel; an electric motor mounted to the differential cover; a hydraulic pump arranged and configured to be driven by the electric motor; a pressure regulating valve in fluid communication with the pump; and a clutch pack assembly configured to be activated based on hydraulic pressure from the hydraulic pump, the clutch assembly including a plurality of friction disks arranged around the first output shaft, wherein the clutch assembly resists relative rotation between the differential carrier and the first output shaft when activated.