Prime-mover dynamo plants – Electric control – Starting and generating dynamo
Reexamination Certificate
2005-01-04
2005-01-04
Waks, Joseph (Department: 2834)
Prime-mover dynamo plants
Electric control
Starting and generating dynamo
C290S027000, C290S03600R, C290S03800C, C290S046000
Reexamination Certificate
active
06838778
ABSTRACT:
A starter-generator for an aircraft engine comprises a dynamoelectric machine alternatively operable as a motor or as a generator, having a rotor. A support motor is coupled to the 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 dynamoelectric machine is operated as a motor. A constant speed transmission has an input adapted to be connected to the engine and an output to be connected to the rotor. The unit provides a desired speed relation between input and output. 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 including the constant speed transmission.
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Abbot James L.
Kandil Magdy A.
Vanek Laurence D.
Carlson & Gaskey & Olds
Cuevas Pedro J.
Hamilton Sundstrand Corporation
Waks Joseph
LandOfFree
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