Aeronautics and astronautics – Aircraft structure – Fuselage and body construction
Patent
1989-08-03
1991-08-06
Peters, Jr., Joseph F.
Aeronautics and astronautics
Aircraft structure
Fuselage and body construction
244117R, 264257, B64C 100
Patent
active
050370413
ABSTRACT:
In order to obtain in a cockpit for a helicopter which is provided with a support frame work consisting of hollow profile parts dimensionally stiffly connected to each other and defining the door and window cutouts of the cockpit and an outer covering and is usually fabricated for cost reasons in view of the relatively limited lot sizes of aircraft in differential design to obtain not only a more weight-saving but also overall a more cost effective cockpit design, at least the hollow profile parts extending around the cockpit cutouts are made as an integral, spatially closed support profile structure such that they are formed and hardened together from composite fiber material or superplastically deformable metal in a forming tool having the forming surfaces with the profile shape of the hollow profile parts around to the cockpit cutouts.
REFERENCES:
patent: 4053126 (1987-10-01), Duret et al.
patent: 4294419 (1981-10-01), Fouse et al.
patent: 4304376 (1981-12-01), Hilton
patent: 4471020 (1984-09-01), McCarthy
patent: 4531695 (1985-07-01), Swinfield
patent: 4863771 (1989-09-01), Freeman
patent: 4867922 (1989-09-01), Zaccato
Ford et al., Final Report Advanced Composite Air Frame Program, Sep. 1977-May 1980, pp. 45-55; 344-367.
Ellis Christopher P.
Messerschmitt-Bolkow-Blohm GmbH
Peters Jr. Joseph F.
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