Friction reducing surface and devices employing such surfaces

Details Friction reducing surface and devices employing such surfaces Friction reducing surface and devices employing such surfaces

1993-03-01

1995-01-03

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428156, 428212, 244130, 114 67R, 114288, B32B 300, B63B 134, B64C 138

Patent

active

053785240

ABSTRACT:
An improved aerodynamic surface for the exterior of vehicles moving through a gas and vehicles employing such improved surfaces. The improved surface comprises a matrix of dimples or depressions formed into the portions of the surface of the vehicle. The improved surface is most beneficially located either at a leading edge, where the vehicle first cleaves the pool of air through which it is traveling, or on vehicle surfaces which tend to move the air pool to accommodate the presence of the vehicle itself or on vehicle surfaces to which the designer wishes to provide a lift function. Wings, ailerons and rudder surfaces are examples of surfaces to which a lift function is most applicable. The vehicle may be of the nature of an automobile, a boat or an airplane. The invention is also applicable to the internal surface of pipes for conveying fluid.

REFERENCES:
patent: 1716435 (1929-06-01), Fortheringham
patent: 2261558 (1941-11-01), Orloff
patent: 2728576 (1955-12-01), Martin et al.
patent: 4173930 (1979-11-01), Faires, Jr.
patent: 4804189 (1989-02-01), Gobush
patent: 4858929 (1989-08-01), Gobush
patent: 4996924 (1991-03-01), McClain
patent: 5171623 (1992-12-01), Yee

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