Patent ID: 7325662
Filing Date: 2008-02-05
Classification: B60K,F16D,F16H,Y10T

Abstract:
1. A powertrain for a vehicle, comprising: an engine having an engine output member; an automatic transmission having a transmission input member, a transmission output member, and a plurality of selectively engageable gears for transferring torque at multiple speed ratios from said transmission input member to said transmission output member; and a dry friction clutch connected between said engine output member and said transmission input member and selectively engageable to transfer torque from said engine output member to said transmission input member to launch the vehicle; wherein said dry friction clutch includes: a sleeve mounted coaxially with said transmission input member and having a radially-extending hub interconnecting with said spring plate for rotation therewith; and wherein said sleeve drives a pump for pressurizing fluid within said transmission.