Adjustable variable frequency starter/generator system
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United States of America Patent
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Sep 12, 2006
Grant Date -
Jan 19, 2006
app pub date -
Jul 14, 2004
filing date -
Jul 14, 2004
priority date (Note) -
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status (Latency Note)
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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 then disengages the torque converter and engages the engine to the dynamoelectric machine through an adjustable speed transmission in a generating mode after the engine reaches self-sustaining speed, wherein the speed of the adjustable speed transmission is set to match the frequency of AC generated by the dynamoelectric machine with on-board electrical equipment requirements to suit flight conditions.
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