Power plants – Combustion products used as motive fluid – Combustion products generator
Reexamination Certificate
2011-01-04
2011-01-04
Cuff, Michael (Department: 3741)
Power plants
Combustion products used as motive fluid
Combustion products generator
C060S785000
Reexamination Certificate
active
07861536
ABSTRACT:
A passive pressurizing air system for a gas turbine engine includes a flow path for directing an air flow having a low temperature and low pressure, extending through a cavity to a pressurized area of the engine. The cavity contains pressurized air having a high temperature and high pressure. An air flow mixing apparatus is provided for adding the pressurized air from the cavity into the flow path to provide a mixed air flow having an intermediate temperature and intermediate pressure.
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Alecu Daniel T.
Carpenter Dean
Cuff Michael
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
Wongwian Phutthiwat
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