Aeronautics and astronautics – Aircraft structure – Fuel supply
Patent
1987-04-06
1991-08-27
Barefoot, Galen
Aeronautics and astronautics
Aircraft structure
Fuel supply
220581, 220660, 428116, B64D 3706
Patent
active
050427512
ABSTRACT:
The present invention provides a pressure vessel having a non-circular axial cross-section, and a method for its construction, which achieves improved reliability, minimum weight, minimum cost, and maximum aerodynamic smoothness. The above characteristics are achieved through the use of honeycomb cores whose thickness varies in accordance with the distribution of bending moments created by the non-circular axial cross-sectional configuration under internal pressure. The present invention also provides a pressure vessel having a non-circular axial cross-section which may be especially designed to meet preestablished design criteria for optimal weight, volume, and strength.
REFERENCES:
patent: 2908455 (1959-10-01), Hoadley
patent: 2913074 (1959-11-01), Hartle
patent: 2925231 (1960-02-01), Pfaff, Jr. et al.
patent: 3133422 (1964-05-01), Paivanas et al.
patent: 3232560 (1966-02-01), Moise et al.
patent: 3637446 (1972-01-01), Elliott
patent: 3780969 (1973-12-01), Nussbaum et al.
patent: 3843010 (1974-10-01), Morse et al.
patent: 4365773 (1982-12-01), Wolkovitch
patent: 4662587 (1987-05-01), Whitener
"Honeycomb Sandwich Design", Hexcel Products Inc., .COPYRGT.1959, pp. 1-10.
Barefoot Galen
TRE Corporation
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