Method for engine control

Details Method for engine control Method for engine control

F - Mech Eng,Light,Heat,Weapons

02

D

F02D 41/40 (2006.01)

Patent

CA 2444817

A method for comprehensive integrated control of a compression-ignition internal combustion engine having integral fuel pump-injectors utilizing an electronic control unit (20) is disclosed. The control strategy integrates various functions of engine control including fuel delivery (34), cooling fan control (38), engine speed governing and overspeed protection, engine braking, torque control, and vehicle speed diagnostics and control. Cooling fan control (38) is integrated with vehicle speed diagnostics and control as well as fuel delivery (34) to provide an integrated cruise control function which incorporates engine braking. The method also includes improved control over the various engine speed governors while improving idle quality by balancing the power delivered by each of the engine cylinders when at idle. The integrated torque control employs functions to reduce NO x emissions and noise utilizing adaptive fuel delivery timing and a split injection strategy.

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