Fast torque control of a belted alternator starter

Details Fast torque control of a belted alternator starter Fast torque control of a belted alternator starter

2006-11-14

2006-11-14

Gonzalez, Julio (Department: 2834)

Prime-mover dynamo plants

Electric control

Electric-starting motor with generator

C290S04000F

Reexamination Certificate

active

07135784

ABSTRACT:
A belted-alternator starter system that continuously provides pre-flux when the vehicle ignition is on and the engine is off to provide a faster torque response when the engine is turned on. The alternator/starter device operates as an alternator for providing electrical energy to vehicle electrical devices and the battery when the ignition is on and the engine is running, and operates as a starter for providing engine torque to start the engine when the engine is off and the ignition is on. The system further includes an inverter/rectifier circuit to provide AC current to the armature coils when the alternator/starter device is operating as a starter. The system provides an operating field current to the field coil when the ignition and the engine are on and provides a pre-flux field current to the field coil when the vehicle ignition is on and the engine is off.

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