AIRFRAME FOR A HIGHLY MANEUVRABLE MULTI-MODE AIRCRAFT

WIPO Patent Application WO/2012/102640

A3

The invention relates to heavier-than-air aircraft and is intended for use primarily in highly maneuverable multi-mode aircraft operating at both subsonic and supersonic speeds. The aim of the invention is to provide the necessary durability and rigidity of the frame of the airframe with only a negligible increase in the mass thereof and the inclusion of large cutouts in the lower part of the fuselage for cargo compartments. At the same time, the technical result of redistributing the stresses in the load-bearing members of the aircraft airframe which are caused by external loads is achieved as a result of the judicious arrangement of the load-bearing members of the frame of the airframe. The structural layout of the fuselage includes transverse and longitudinal load-bearing members in the form of fuselage bulkheads (17-25) and longitudinal walls (26-29), respectively. A set of longitudinal walls (26-29) passes through the entire middle part (3) and rear part (5) of the fuselage. The centre section (12) is arranged in the plane of the maximum structural heights of the wing (section D-D) and is formed by the bulkheads (17-25). Large longitudinal cutouts are provided in the lower part of the fuselage for the cargo compartments (10, 14). The structural layout of the cutouts includes the longitudinal walls (26), connected to the bulkheads of the centre section (12).

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BLINOV ALEKSANDR IVANOVICH (RU)
DAVIDENKO ALEKSANDR NIKOLAEVICH (RU)
KOGAN YURIY ARONOVICH (RU)
LAPSHIN MIHAIL EVGENYEVICH (RU)
RUNISHEV VLADIMIR ALEKSANDROVICH (RU)
STRELETS MIHAIL YURIEVICH (RU)

PCT/RU2011/000964

January 17, 2013

December 07, 2011

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OTKRYTOE AKCIONERNOE OBSCHESTVO OKB SUHOGO (RU)
BLINOV ALEKSANDR IVANOVICH (RU)
DAVIDENKO ALEKSANDR NIKOLAEVICH (RU)
KOGAN YURIY ARONOVICH (RU)
LAPSHIN MIHAIL EVGENYEVICH (RU)
RUNISHEV VLADIMIR ALEKSANDROVICH (RU)
STRELETS MIHAIL YURIEVICH (RU)

B64C3/18; B64C1/06; B64D27/20

RU2173654C2	2001-09-20
US2310765A	1943-02-09
US5897078A	1999-04-27

AVERYANOV, Alexander Dmitrievich (Juridicheskoe upravlenieul. Polikarpova, 23, Moscow 4, RU)

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