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US 2013/0076035 A1Published application
Motor-generator turbomachine starter
OwnerAndreas C. Koenig, Adam M. Finneyinventors
Life of this patent
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Abstract
An exemplary turbomachine starter assembly includes a motor-generator that selectively operates in a motor mode or a generator mode. The motor-generator provides a rotational input to a turbomachine when operating in the motor mode. The motor-generator generates a supply of electrical power when operating in the generator mode. The supply of electrical power is used to power accessories of the turbomachine.
Claims20
A turbomachine starter assembly, comprising:
- a motor-generator that selectively operates in a motor mode or a generator mode, the motor-generator providing a rotational input to a turbomachine when operating in the motor mode, the motor-generator generating a supply of electrical power when operating in the generator mode, wherein the supply of electrical power is used to power accessories of the turbomachine.
A turbomachine and starter assembly, comprising:
- a turbomachine;
- a motor-generator that is selectively operated in a motor mode or a generator mode;
- and
- a gearing arrangement rotatably coupling the motor-generator with the turbomachine, the motor-generator in the motor mode rotating the turbomachine to start the turbomachine, the motor-generator in the generator mode rotated by the turbomachine, wherein the motor-generator in the generator mode generates a supply of electrical power that is used to power accessories of the turbomachine.
1 more element
A method of powering turbomachine accessories, comprising:
- rotating a turbomachine during a start-up of the turbomachine using a motor-generator;
- generating a supply of power with the motor-generator after the start-up;
- and
- using the supply of power to power an accessory of the turbomachine.
1 more element
Dependencies are inferred from the claim text.