Apparatus and method for controlling engine windmilling

Power plants – Reaction motor – Interrelated reaction motors

Reexamination Certificate

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C060S802000, C060S793000

Reexamination Certificate

active

07621117

ABSTRACT:
An apparatus and method are provided for controlling the ground windmilling of at least one of the spools in a gas turbine engine. Electrical power is supplied to a braking apparatus in one aspect. In another aspect, an oil system is powered during ground windmilling.

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