Door assembly with shear layer control aperture

Details Door assembly with shear layer control aperture Door assembly with shear layer control aperture

1996-02-22

1997-10-21

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Details

244 1R, 49 40, 359894, B64C 114

Patent

active

056787871

ABSTRACT:
There is described a vehicle door assembly with shear layer control for controlling the airflow in and around an aperture in the vehicle fuselage. The vehicle door assembly consists of an upper door and a lower door, both slidably mounted to the exterior surface of the vehicle fuselage. In addition, an inner door is slidably mounted beneath the upper door. Beneath the inner door is an aperture assembly having an aperture opening positionable to be substantially flush with the exterior surface of the vehicle fuselage. Also provided are means for positioning the aperture assembly in an upward and downward direction in relation to the vehicle fuselage.

REFERENCES:
patent: 2214722 (1940-09-01), Seversky
patent: 2630983 (1953-03-01), Horne et al.
patent: 3585757 (1971-06-01), Ritchie
patent: 4375876 (1983-03-01), Stewart
patent: 4703904 (1987-11-01), Haslund
patent: 4858850 (1989-08-01), McNay
patent: 4887779 (1989-12-01), Large
patent: 5064147 (1991-11-01), Noble et al.
patent: 5069397 (1991-12-01), Haslund

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