F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 7/232 (2006.01) F02K 3/075 (2006.01) F02K 3/077 (2006.01)
Patent
CA 2091473
13DV-10563 ABSTRACT Noise suppression of a variable cycle aircraft engine is achieved during takeoff by reducing the velocity and thrust of the primary exhaust flow. A bypass valve located between a high pressure bypass air duct and a low pressure flade duct provides an alternative exhaust path for the bypass air. Mixing of the bypass air and flade air reduces the fan pressure ratio and produces a dump loss, both of which reduce exhaust noise during takeoff.
Carey John P.
Wagner Mark J.
Carey John P.
Company General Electric
Craig Wilson And Company
Wagner Mark J.
LandOfFree
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