JOINT BETWEEN AIRCRAFT FUSELAGE COMPARTMENTS AND ITS SEALED FRAME Russian patent published in 2013 - IPC B64C1/10 

Abstract RU 2472671 C1

FIELD: transport.

SUBSTANCE: invention relates to aircraft engineering, particularly, to joint between tight and leaky compartments. Said joint comprises skins of compartments supported by stringers and sealed frame arranged at said joint. Sealed frame comprises spherical shell with meridian-orientation bearing elements, inner sand outer belts, wall connecting sealed frame belts, and alternate belt. Spherical shell rests on sealed frame wall. Alternate belt is shaped to ring with bent cross-section to allow connection of alternate belt outer flange with sealed frame outer belt. Ends of meridian-orientation bearing elements are integrated into single assembly with spherical shell, alternate belt and sealed frame wall. Joint assembly is furnished with fittings and joint belt arranged on opposite sides of sealed frame. Fittings are connected with sealed frame outer belt, skins and stringers of jointed compartments.

EFFECT: longer service life, decreased weight.

7 cl, 9 dwg

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RU 2 472 671 C1

Authors

Baranov Jurij Aleksandrovich

Brjantsev Sergej Fedorovich

Dates

2013-01-20Published

2011-09-01Filed