Aeronautics and astronautics – Aircraft power plants
Patent
1996-03-19
1998-07-14
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft power plants
137 151, 244 1R, 244130, B64D 3302
Patent
active
057791899
ABSTRACT:
A diverterless engine inlet system that integrates a "bump" surface with a forward swept, aft-closing cowl to divert substantially all of the boundary layer air from the inlet. The bump includes an isentropic compression surface raised outwardly from the body of the aircraft to form a portion of the inner surface of the inlet. The cowl couples to the body of the aircraft to form the remaining surfaces of the inlet and closes against the body of the aircraft at the aft-most points of the inlet opening. The bump and the cowl work together to divert low energy boundary layer air from the inlet during aircraft operation, thus eliminating the requirement for a boundary layer diverter. The diverterless inlet provides a lower cost, reduced complexity air induction system that can be used on a supersonic aircraft engine.
REFERENCES:
patent: 2788183 (1957-04-01), Ferri
patent: 2966028 (1960-12-01), Johnson et al.
patent: 2970431 (1961-02-01), Harshman
patent: 3054255 (1962-09-01), Stratford
patent: 3066892 (1962-12-01), Smith et al.
patent: 3069119 (1962-12-01), Ferri
patent: 5301901 (1994-04-01), Kutschenreuter, Jr.
International Patent Search Report dated Jun. 8, 1997.
Hamstra Jeffrey William
Sylvester Thomas Gerard
Barefoot Galen L.
Lockheed Martin Corporation
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