Variable cycle propulsion system with gas tapping for a...

Details Variable cycle propulsion system with gas tapping for a... Variable cycle propulsion system with gas tapping for a...

2005-01-25

2005-01-25

Koczo, Michael (Department: 3746)

Power plants

Reaction motor

Interrelated reaction motors

C060S263000

Reexamination Certificate

active

06845606

ABSTRACT:
A variable cycle propulsion system for a supersonic airplane, the system comprising at least one engine having means for producing exhaust gas and a gas exhaust nozzle for generating thrust for supersonic flight speeds, and at least one separate auxiliary propulsion assembly dissociated from said engine, having no gas generator, and capable of generating thrust for takeoff, landing, and subsonic flight speeds. The system further comprises gas flow tapping means movable between a position in which they tap off at least a fraction of the exhaust gas produced by said engine and feed it to said propulsion assembly to enable it to generate thrust for takeoff, landing, and subsonic cruising flight, and a position in which the gas produced by the engine is directed solely to the engine nozzle for supersonic cruising flight.

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patent: 3893638 (1975-07-01), Kelley
patent: 4193262 (1980-03-01), Snell
patent: 2784960 (2000-04-01), None

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