Aircraft defueling system

Details Aircraft defueling system Aircraft defueling system

2005-03-01

2005-03-01

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

C141S098000, C141S231000, C184S001500

Reexamination Certificate

active

06860300

ABSTRACT:
An apparatus and method for defueling and aircraft. The apparatus includes a vacuum fuel tank comprising a first vacuum generator, a defueling hose in fluid communication with the vacuum fuel tank, a first defueling fitting attached to the first defueling hose, and a second vacuum generator operatively connected to the first defueling fitting. By providing both a first and a second vacuum generator, the defueling fitting can be attached and detached from an aircraft independent of the suction used to withdraw fuel from an aircraft. According to some embodiments, there may be multiple defueling hoses and additional vacuum generators. Further, some embodiments include a telescoping funnel that can be selectively isolated from the vacuum fuel tank so that the tank can be held at vacuum pressure.

REFERENCES:
patent: 4883102 (1989-11-01), Gabrielyan et al.
patent: 5117876 (1992-06-01), Kuntz
patent: 5492144 (1996-02-01), Kriewaldt
patent: 5878799 (1999-03-01), Hannick
patent: 6112366 (2000-09-01), Berfield

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