Patent ID: 6716136
Filing Date: 2004-04-06
Classification: B60W,B60Y,F01N,F02B,F02M,F16H,Y02T,Y10S,Y10T

Abstract:
A method for controlling output of a vehicle powertrain having an engine and a torque transmitting unit with multiple transmission paths including multiple clutches, the vehicle also having a electronic control unit, the method comprising:operating the torque transmitting unit to have a preselected gear ratio; providing an indication of an engine output disturbance; in response to said indication, transmitting torque through said torque transmitting unit via at least two paths, and adjusting a clutch parameter of at least one of the clutches of said torque transmitting unit; and after said engine output disturbance ends, operating the torque transmitting unit to have said preselected gear ratio.