Oliff & Berridge, PLC
Apparatus and method for controlling combustion in internal combustion engines
 An internal combustion engine and method of engine control that selectively shifts the combustion mode carried out in its cylinder between stratified charge combustion and homogeneous charge combustion. A fuel supply device supplies the cylinder with fuel. A condition detecting device detects the operating conditions of the engine. A mode determining device determines the preferred combustion mode in accordance with the detected operating conditions. If the mode determining device determines that homogeneous charge combustion is to be performed, a first controller sets a first fuel supply amount and controls the fuel supplying device accordingly so that the engine torque fluctuation approaches a predetermined target value. If the determining device determines that stratified charge combustion is to be performed, a second controller sets a second fuel supply amount and controls the fuel supplying device accordingly so that the engine torque fluctuation approaches a predetermined target value. This permits smooth fuel control and prevents torque shocks. 
Toyota Jidosha Kabushiki Kaisha
F F Y
F02D F02D Y02T
inventional inventional additional
Hiroyuki
Mizuno