Method for eliminating fuel use during dynamic braking

Details Method for eliminating fuel use during dynamic braking Method for eliminating fuel use during dynamic braking

2006-04-25

2006-04-25

Martin, David (Department: 2837)

Electricity: motive power systems

Braking

C318S371000, C318S375000

Reexamination Certificate

active

07034480

ABSTRACT:
A method for reducing engine fuel consumption of an electro-motive vehicle during braking, the method including steps for providing an engine for the vehicle, generating primary electric power at a primary electric power generator connected to the engine, generating primary electric power at a secondary electric power generator connected to the engine, operating a plurality of electric traction motors each coupled in driving relationship to a respective one of a plurality of driven wheels to propel the vehicle during motoring operations and to generate electricity upon braking operations of the vehicle, electrically connecting a braking switch between the traction motors and the primary electric power generator, applying braking, closing the braking switch, and transmitting power generated by the traction motors to the primary electric power generator to operate as a motor to rotate the engine and drive the secondary electric power generator to power the auxiliary equipment without fueling the engine.

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L. Moklegaard, A.G. Stefanopoulou and J. Schmidt; Transition for Combustion to Variable Compression Braking; SAE 2000 World Congress; Mar., 2000; Document No. 2000-01-1228; USA.

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