Electrically heated aircraft composite floor panel
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United States of America Patent
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-
Aug 26, 2003
Issued Date -
N/A
app pub date -
Jun 28, 2002
filing date -
Apr 24, 1999
priority date (Note) -
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Abstract
An aircraft floor heating panel is constructed for mechanical strength and to meet special heating requirements next to a door in an aircraft. The panel has a lightweight core. Each surface of the core is first covered with at least one carbon-fiber reinforced composite layer for protection against deterioration. Each carbon fiber layer in turn is covered by a glass fiber reinforced composite layer for mechanical strength. A foil heater is arranged inside the composite panel coextensive with at least a portion of the panel area. A heat distributing metal plate covers the panel as an upper step-on surface. A heat insulating layer is bonded to the panel opposite the heat distributing metal plate. A triple heat control is provided for an increased safety against fire hazards.
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