Power plants – Reaction motor – Interrelated reaction motors
Reexamination Certificate
2006-06-19
2009-11-24
Kim, Ted (Department: 3741)
Power plants
Reaction motor
Interrelated reaction motors
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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International Search Report, PCT/CA2007/000925, Aug. 16, 2007.
Dooley Kevin Allan
Savage William J. K.
Kim Ted
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
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