Patent ID: 6152853
Filing Date: 2000-11-28
Classification: B60W,F02D,F16H,Y10T

Abstract:
An exhaust brake for a vehicle drive system having an internal combustion engine with an exhaust system, an automatic transmission and a torque converter clutch, comprisinga vehicle speed sensor including a speed signal representative of the speed of the vehicle;an exhaust brake valve in the exhaust system;a controller in communication with the speed sensor to receive the speed signal and coupled with the exhaust brake valve, the controller including an open position command with the exhaust brake valve open, a closed position command with the exhaust brake valve closed, a plurality of intermediate position commands between the open position command and the closed position command with the exhaust brake valve in corresponding intermediate positions between the open position and the closed position, output shift commands to the automatic transmission and locking and unlocking signals to the torque converter clutch, the position command of the controller being determined by conditions of the vehicle drive system including the vehicle speed signal.