Power plants – Reaction motor – Method of operation
Patent
1994-06-01
1997-09-09
Thorpe, Timothy
Power plants
Reaction motor
Method of operation
60231, 60242, 60261, F02K 128
Patent
active
056644159
ABSTRACT:
An after-burning turbo-fan engine system (10) includes turbo-fan engine (14) for producing exhaust gas (20), and jet thrust therefrom. After-burning chamber (16) receives turbo-fan exhaust and injects a controllable amount of fuel into turbo-fan exhaust to cause after burning of the turbo-fan exhaust to produce after-burned exhaust (20). Nozzle (18) associates with after-burning chamber (16) for receiving after-burned exhaust (20). Nozzle (18) has a fixed geometry. Nozzle (18) flow coefficient control mechanism (22 and 24) controls the approach of after-burned exhaust (20) through nozzle (18) to change the nozzle (18) flow coefficient. This controls the volumetric flow rate of after-burned exhaust (20) through the nozzle (18).
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Lockheed Fort Worth Company
Thorpe Timothy
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