Aeronautics and astronautics – Aircraft structure
Patent
1989-07-31
1990-10-16
Barefoot, Galen
Aeronautics and astronautics
Aircraft structure
244207, 244210, 416 95, B64C 336
Patent
active
049629034
ABSTRACT:
A method and apparatus for eliminating heat build-up caused by air friction on wings and other air foils, especially common in high-speed aircraft. As an aircraft is moving, a small portion of air in the airstream moving by the wing or other air foil is passed through an air intake valve on the wing, into a Venturi section and then into a chamber within the wing or frame where the air is compressed naturally. Each Venturi section consists of a converging and diverging nozzle which creates a substantial cooling effect when the high speed air passes through it and is compressed and released. The intake valve spins or flips when hit by the airstream so it alternately intakes and exhausts the air through the Venturi section, thereby causing a double cooling effect. A second embodiment uses valves, one on the leading edge for air intake and the second near the back of the lower surface of the wing for air exhaust. When the front valve is open, high speed air flows through a Venturi section and into a compression chamber inside the wing. Once the air is sufficiently compressed, the front valve is closed and the rear valve opens causing the air to pass over a second Venturi section before being exhausted. This method and apparatus provides a passive cooling system to provide for a refrigeration effect. Such a cooling system will become very useful in high speed air travel, especially at hypersonic speeds.
REFERENCES:
patent: 1412073 (1922-04-01), Wagenseil
patent: 2441279 (1948-05-01), McCollum
patent: 2961195 (1960-11-01), Bates
Barefoot Galen
Livingston Edward M.
Red Eye Arms, Inc.
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