Aeronautics and astronautics – Aircraft structure – Fuel supply
Patent
1988-02-09
1989-08-29
Basinger, Sherman D.
Aeronautics and astronautics
Aircraft structure
Fuel supply
2441371, B64D 3704
Patent
active
048609722
ABSTRACT:
On a helicopter having a main fuel tank and outer curved walls with connector lugs thereon, an auxiliary fuel tank for each side of the helicopter, each tank being of aerodynamically streamlined configuration having an outer convex wall, a top rounded wall, a bottom rounded wall and an inner concave wall for abutment against said outer curved wall of said helicopter; a plurality of connector ears on said tanks for attachment to said lugs; said connector ears having a breakage point of 5000 PSI; said connector lugs having a breakage point of less than 5000 PSI, whereby said auxiliary fuel tanks may break away from said helicopter in the event of a crash landing; gravity feed lines from the helicopter's main fuel tank to said auxiliary tanks whereby said tanks are filled from said main fuel tank when said main fuel tank reaches a predetermined high level, and auxiliary pumps in said auxiliary fuel tanks for pumping the fuel from said tanks to said main fuel tank when said main fuel tank reaches a predetermined low level.
REFERENCES:
patent: 2591913 (1952-04-01), Bowers et al.
patent: 2852299 (1958-09-01), Johnson
patent: 2952427 (1960-09-01), Armstrong
patent: 3383078 (1968-05-01), Shohet et al.
patent: 3421717 (1969-01-01), Di Piro
patent: 3778011 (1973-12-01), Cannon
patent: 3966147 (1976-06-01), Wittko et al.
patent: 4172573 (1979-10-01), Moore et al.
Lannerd Robert F.
Murphy David K.
Avila Stephen P.
Basinger Sherman D.
Donaghy John K.
ERA Aviation, Inc.
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