Power plants – Reaction motor – Interrelated reaction motors
Patent
1977-10-11
1980-09-30
Garrett, Robert E.
Power plants
Reaction motor
Interrelated reaction motors
60269, 60 3918C, 60728, F02C 102, F02K 302, F02K 1102
Patent
active
042247900
ABSTRACT:
An engine particularly adapted to travel at high supersonic and hypersonic velocities. The engine has a forward turbine positioned at the engine inlet and a rearwardly positioned compressor driven by the turbine through an interconnecting longitudinal shaft. In a first embodiment, a cryogenic fuel, such as hydrogen, is introduced into the engine at a location between the turbine and the compressor, with vaporization and heating of the fuel causing a reduction in the compressor inlet temperature and a consequent increase in compressor discharge for a given turbine power shaft input. The resulting fuel/air mixture passes through the compressor and then into a rearwardly positioned combustion chamber where it is ignited, with the combustion products then being expanded from the compressor discharge pressure to atmospheric pressure through an outlet nozzle as jet exhaust.
In other embodiments, additional heat exchange means are provided between the turbine and compressor, with fuel injection combustion occuring forward of the turbine and also rearwardly of the compressor. In a fifth embodiment, the principle of operation of this engine is incorporated in a fan jet engine.
REFERENCES:
patent: 2565324 (1951-08-01), Ray
patent: 2602289 (1952-07-01), Anxionnaz et al.
patent: 3105661 (1963-10-01), Ferri
patent: 3158990 (1964-12-01), Ferri
patent: 3449914 (1969-06-01), Brown
patent: 3486328 (1969-12-01), Boudigues
patent: 3609967 (1971-10-01), Waldmann
patent: 3621656 (1971-11-01), Pacault et al.
patent: 3719428 (1973-03-01), Dettmering
patent: 3940926 (1976-03-01), Craig
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