Power plants – Reaction motor – Interrelated reaction motors
Patent
1989-01-09
1991-12-24
Walsh, Donald P.
Power plants
Reaction motor
Interrelated reaction motors
602261, 602263, 60246, 60262, 60269, F02K 300
Patent
active
050741187
ABSTRACT:
A jet engine designed to power a supersonic airplane throughout a range of speeds from subsonic to high supersonic includes a housing which bounds an internal passage having in succession a fixed-area inlet section, a diverging passage section, a mixing section, a combustion section, and an outlet section. A fan rotor rotates in the inlet section and includes a plurality of rotor blade members. The housing includes a main body and at least one flap which is movable between one end position in which it externally bounds a portion of the diverging passage section and another end position in which it externally delimits a diverging discharge passage connecting the diverging passage section with the exterior of the housing. The cross-sectional area of the outlet section is adjustable. The rotor is driven in rotation by a fuel/oxygen powered turbine the outlet of which communicates with the mixing section, but the driving action of the turbine is discontinued at actual supersonic velocities exceeding a predetermined supersonic velocity. The pitch of at least one element of each of the rotor blade members is adjustable.
REFERENCES:
patent: 3946554 (1976-03-01), Neumann
patent: 4224790 (1980-09-01), Chrutensen
patent: 4598544 (1986-07-01), Williams
Ruzek Peter R.
United Technologies Corporation
Walsh Donald P.
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