Frameless transparencies for aircraft cockpit enclosure

Details Frameless transparencies for aircraft cockpit enclosure Frameless transparencies for aircraft cockpit enclosure

1985-12-04

1988-04-05

Kyle, Deborah L.

Aeronautics and astronautics

Aircraft structure

Fuselage and body construction

2441293, B64C 110

Patent

active

H00004510

ABSTRACT:
A frameless aircraft cockpit enclosure comprising transparent panels of polycarbonate or other plastics of varying thickness and material properties. The edges of the transparent panels are made thicker than the rest of the panels to engage aircraft canopy and windshield arch sections and aircraft sill structures to thus eliminate prior art frames and edge reinforcements. Fibers may be embedded in the thicker edges to add strength. The material properties of the transparent panel may be varied to provide higher static load strength near aircraft sill structures and higher dynamic load strength and plastic behavior near the center of a canopy where bird impact may occur. The material properties of the panel may also be varied to minimize over a pilot's head or near aircraft critical equipment the amplitude of a flexure wave in an aircraft transparency resulting from a bird impact. Direct forming methods, such as injection molding, are discussed as a means for making the frameless aircraft transparencies.

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patent: 4504341 (1985-03-01), Radzwill et al.
patent: 4580745 (1986-04-01), Brophy

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