Prime-mover dynamo plants – Miscellaneous – Drive gearing
Reexamination Certificate
2008-07-15
2008-07-15
Ponomarenko, Nicholas (Department: 2834)
Prime-mover dynamo plants
Miscellaneous
Drive gearing
C290S00400D, C322S004000
Reexamination Certificate
active
07400052
ABSTRACT:
This disclosure relates to transient energy systems for supplying power to a load substantially instantaneously on demand. Transient energy systems may include a flywheel coupled the rotor of an induction motor generator. One embodiment of the disclosure refers to systems and methods for reducing loads on a bearing in a transient energy system. In another embodiment, the disclosure refers to an induction motor generator that is optimized for high power transient power generation, yet low power motor operation. Yet another embodiment of the disclosure refers to using a flywheel as a drag pump to cool components of a transient energy system. In yet another embodiment, a slip control scheme is discussed for regulating a DC bus. In yet a further embodiment of the disclosure a method is provided for reducing unnecessary turbine starts by making turbine start a function of the rotational velocity of a flywheel.
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Active Power Inc.
Ponomarenko Nicholas
Ropes & Gray LLP
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