F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 6/00 (2006.01) B64D 33/00 (2006.01) B64D 41/00 (2006.01) F01D 17/08 (2006.01) F02C 7/32 (2006.01) F02C 9/16 (2006.01)
Patent
CA 2548138
A gas turbine engine assembly (10) includes: at least one propelling gas turbine engine (11) includes a fan (14), a core engine (13) downstream from the fan, and a plurality of extraction points (124, 122, 120); a modulating valve (100) coupled in flow communication to the propelling gas turbine engine; and an auxiliary engine (12) used for generating power. The auxiliary engine includes at least one turbine (44) and an inlet. The inlet is coupled in flow communication with the modulating valve, such that a portion of airflow (30) entering the propelling engine is extracted for use by the auxiliary engine and such that the modulating valve controls the flow of airflow (54) from the propelling engine to the auxiliary engine. The modulating valve is selectively operable to extract airflow from at least two of the plurality of extraction points.
Company General Electric
Craig Wilson And Company
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