Multi-deck passenger aircraft having impact energy absorbing str

Details Multi-deck passenger aircraft having impact energy absorbing str Multi-deck passenger aircraft having impact energy absorbing str

1994-04-25

1996-08-06

Kashnikow, Andres

Aeronautics and astronautics

Landing gear

Water landing

244105, 244119, 244121, B64D 4504, B64C 3502, B64C 110

Patent

active

055426263

ABSTRACT:
An energy absorbing structural unit is attached outside the fuselage belly of an aircraft having at least two decks arranged one over another. At least the lower deck, of which the floor is adjacent to the fuselage belly, includes passenger cabin compartments and/or service facilities. The energy absorbing structure is an energy absorbing structural unit (5) that is attached outside of the existing aircraft fuselage (2) approximately vertically below the passenger cabin compartment (9) and/or service facilities provided on the lower deck of the aircraft. The energy absorbing structural unit absorbs impact energy arising in a crash or emergency landing of the aircraft. Because impact energy is absorbed by the external structural unit rather than or in addition to the structure of the aircraft fuselage and air frame, it is possible to provide lower deck passenger cabin space that may be continuously occupied by passengers and crew even during the take-off and landing phases of a flight. In this manner it is possible to increase the passenger capacity of an aircraft.

REFERENCES:
patent: 2494445 (1950-01-01), Moeller
patent: 2609068 (1952-09-01), Pajak
patent: 3104084 (1963-09-01), Lovercheck
patent: 3151712 (1964-10-01), Jackson
patent: 3251076 (1966-05-01), Burke
patent: 3638992 (1972-02-01), Forshee
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patent: 4923145 (1990-05-01), Broadhurst
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"Crashsimulationsrechnungen und Bauteilidealisierung fuer einen Luftfahrzeugunterboden" (Crash Simulation Calculations and Component Idealization for an Aircraft Subfloor Section), Z. Flugwiss. Weltraumforsch. 11 (1987) 221-229, pp. 221-229.

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