Aircraft starter generator for variable frequency (vf) electrical system
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United States of America Patent
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Jan 4, 2005
Grant Date -
N/A
app pub date -
Jun 24, 2002
filing date -
Jun 24, 2002
priority date (Note) -
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Abstract
A starter-generator for an aircraft engine comprises a variable dynamoelectric machine alternatively operable as a motor or as a generator, having a rotor. A support motor is coupled to the variable dynamoelectric machine to assist the machine. A torque converter selectively couples and decouples the rotor to the engine, coupling the rotor to the engine at some point when the dynamoelectric machine is operated as a motor. The engine may be started by the dynamoelectric machine when operated as a motor through a first power train including the torque converter and may drive the dynamoelectric machine as a generator through a second power train.
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