Optimal aircraft window shape for noise control

Details Optimal aircraft window shape for noise control Optimal aircraft window shape for noise control

2005-09-09

2008-10-21

Carone, Michael J. (Department: 3641)

Aeronautics and astronautics

Aircraft structure

Details

C244S118500, C244S121000, C381S071400

Reexamination Certificate

active

07438263

ABSTRACT:
A window for a subsonic passenger aircraft that provide maximum optical visibility while minimizing the amount of exterior acoustic noise transmitted through the windows to the passenger cabin during flight of the aircraft includes at least one substantially transparent window pane having the shape of an ellipse. The ellipse has a major axis and a minor axis, and the major axis is about twice as long as the minor axis and is disposed generally perpendicular to the direction of flight of the aircraft. In one exemplary embodiment, the window has a height of about 20 inches and a transparent area of about 141 square inches, and includes a pair of substantially similar window panes disposed in a parallel, spaced-apart relationship circumscribed by a mounting bezel. A plurality of the windows are each mounted with the bezels in spaced-apart rows in each of the opposite sidewalls of the aircraft fuselage.

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