Internal-combustion engines – Charge forming device – Including means responsive to instantaneous change in engine...
Patent
1993-08-27
1995-08-29
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Including means responsive to instantaneous change in engine...
F02D 4114
Patent
active
054451280
ABSTRACT:
A method for comprehensive integrated control of a compression-ignition internal combustion engine having integral fuel pump-injectors utilizing an electronic control unit is disclosed. The control strategy integrates various functions of engine control including fuel delivery, cooling fan control, engine speed governing and overspeed protection, engine braking, torque control, and vehicle speed diagnostics and control. Cooling fan control is integrated with vehicle speed diagnostics and control as well as fuel delivery 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 NOx emissions and noise utilizing adaptive fuel delivery timing and a split injection strategy.
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Babcock Douglas J.
Letang Dennis M.
Weisman, II S. Miller
Detroit Diesel Corporation
Wolfe Willis R.
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