Gm Global Technolgoy Operations, Inc.

John E Ausen

Frank Ament

James Franklin Hengel

Marc Bryan Center

Donald J Armstrong

Richard A Peden

An otherwise conventional fuel supply system of the type that includes an engine driven distributor type fuel injection pump operatively connected to a diesel engine is modified so as to include a normally closed solenoid actuated valve means operatively associated with the inlet passage means of the pump in a location between the transfer pump of the pump and the injection pump means of the pump; an adaptive torque balancing electronic controlled electric power source being connected to the solenoid actuated valve means, whereby the solenoid actuated valve means is operative to supplement the metering valve control of fuel flow from the transfer pump to the injection pump means whereby the fuel flow to the injection pump means and from the injection pump means to each of the respective injection nozzles for each of the cylinders is controlled as a function of engine operation and the incremental speed difference per preselected degrees of movement among the respective cylinders of the engine.

Diesel fuel injection pump with adaptive torque balance control

A fuel control system for an internal combustion engine in which the idle fuel quantity is adjusted to maintain a predetermined desired idle speed and in which the transition between the idle fuel quantity and a scheduled off-idle fuel quantity is blended to provide for smooth engine operation.

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Leonard, MI, United States of America

John E Ausen