Narrow range variable frequency starter/generator system

Details Narrow range variable frequency starter/generator system Narrow range variable frequency starter/generator system

2007-07-31

2007-07-31

Gonzalez, Julio C. (Department: 2834)

Prime-mover dynamo plants

Electric control

Starting and generating dynamo

C290S031000, C290S04000F

Reexamination Certificate

active

10891092

ABSTRACT:
A starter/generator system for a gas turbine engine used in aeronautical applications that couples a single dynamoelectric machine to the gas turbine engine through a torque converter in a starting mode, and engages the engine to the dynamoelectric machine through a mechanical differential in a generating mode after the engine reaches self-sustaining speed and combines the output of the engine and the torque converter to regulate the frequency of AC generated by the dynamoelectric machine within a range of frequencies suitable for on-board electrical equipment by dynamically regulating the flow of hydraulic fluid to the torque converter.

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