Aeronautics and astronautics – Aircraft power plants – Arrangement
Reexamination Certificate
2006-01-05
2009-08-04
Collins, Timothy D (Department: 3643)
Aeronautics and astronautics
Aircraft power plants
Arrangement
C244S201000
Reexamination Certificate
active
07568657
ABSTRACT:
A vertical take-off and landing (VTOL) aircraft comprises (1) a fuselage having a front end, a rear end and two lateral sides, the fuselage defining a substantially horizontal central longitudinal axis of the aircraft; (2) an aircraft tail arranged at the rear end of the fuselage and including a rudder and an elevator on each side of the fuselage with movable surfaces for controlling the aircraft; and (3) a wing on each side of the fuselage having a front edge, a trailing edge and an upper surface extending from the front edge to the trailing edge. According to the invention, means are provided for increasing the speed of an airstream flowing over the upper surface of each wing, and an air deflector is disposed on each side of the fuselage between the trailing edge of each wing and the aircraft tail. These deflectors each have a deflection surface to deflect downward the airstream flowing over the upper surface of the wing to act as a “brake” to the forward motion of the aircraft and to provide additional lift so that the aircraft may hover.
REFERENCES:
patent: 1533713 (1925-04-01), Tatay
patent: 3868073 (1975-02-01), King
patent: 3971534 (1976-07-01), Grotz
patent: 4804155 (1989-02-01), Strumbos
patent: 6607162 (2003-08-01), Warsop et al.
Collins Timothy D
Milde & Hoffberg LLP
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