Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1997-08-19
1999-08-24
Kim, Ted
Power plants
Combustion products used as motive fluid
Combustion products generator
60737, 239402, 2394245, F23R 314, F02C 100
Patent
active
059410752
ABSTRACT:
A system is disclosed for injecting air and fuel into a combustion chamber of a turbojet engine in which the system includes a fuel injector having an axis A, a first radial swirler located rearwardly of the fuel injector having a plurality of first air passages to direct air into the fuel emanating from the fuel injector in a first plane generally perpendicular to the axis A, a housing located rearwardly of the first radial swirler and forming a pre-mixing chamber bounded by a converging-diverging wall forming a venturi with a throat, the housing having a plurality of second air passages forming a second radial swirler to direct air into the pre-mixing chamber forwardly of the venturi throat in a second plane generally perpendicular to the axis A. The housing also has a plurality of third air passages forming an axial swirler, the second passages and the third passages alternating in a circumferential direction around the housing. A bowl member has a flanged portion connected to the housing and is located rearwardly of the housing such that fuel and air emanating from the premixing chamber and air emanating from the axial swirler pass into the bowl member and are subsequently mixed and passed into the combustion chamber, to which the bowl member is attached.
REFERENCES:
patent: 2958195 (1960-11-01), Dooley
patent: 3570242 (1971-03-01), Leonardi et al.
patent: 4263780 (1981-04-01), Stettler
patent: 4754600 (1988-07-01), Barbier et al.
patent: 5373693 (1994-12-01), Zarzalis et al.
Ansart Denis Roger Henri
Lepretre Gilles Gerard Claude
Sandelis Denis Jean Maurice
Kim Ted
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
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