Caterpillar Inc.

Anthony E Sloan

Darryl Dean Baldwin

James B Maddock

Fred Mehdian

Rodrigo L Sanchez

The present invention provides a method and apparatus for controlling the speed of an engine. The engine has an associated turbo charger and a throttle. The method includes the steps of determining a load characteristic of the engine, determining a change in said load characteristic, and controlling the engine in response to said load change.

Method and apparatus for controlling the speed of an engine

The present invention provides a method and apparatus for controlling the speed of an engine. The engine has an associated turbo charger and a throttle. The method includes the steps of determining an actual speed of the engine, establishing a desired speed of the engine, determining an overspeed condition exists in response to said desired speed and said actual speed, and determining a throttle command in response to the desired and actual engine speed.

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Lacon, IL, United States of America

Anthony E Sloan