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US 6,817,574 B2Granted
Structural element for an aircraft, especially an aircraft door
AssigneeHonsel AG
InventorsPierre Solanille, Heinrich Fuchs, Gérad Lagrene, Hans-Jürgen Spychala, Richard Christophe, Norbert Zeumer
Life of this patent
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Abstract
Structural element for an aircraft, especially an aircraft door, in a single-piece, integral cast embodiment consisting of an aluminum or magnesium alloy.
Claims17
A structural element for an aircraft, in a single-piece, integral cast embodiment consisting of an aluminum or magnesium alloy hollow, arched-bridge-like transverse members (7), which have adequately large arch opening (12) for core removal and no undercut core geometries;
- the structural element comprising:
- longitudinal ribs (5) connecting the feet (16) of the arches of the transverse members (7);
- sloping side faces (2) connecting and closing the end faces of the transverse members (7);
- and
- receptacles (8) with machined gripping surfaces (9) for holding during heat treatment, straightening and machining.
2 more elements
Dependencies are inferred from the claim text.