Aircraft defueling apparatus and method

Details Aircraft defueling apparatus and method Aircraft defueling apparatus and method

2005-05-24

2005-05-24

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

C141S231000, C141S098000, C184S001500

Reexamination Certificate

active

06896013

ABSTRACT:
A method and apparatus for defueling an aircraft. The apparatus includes a defueling fitting comprising one or more structural connectors, which may include one or more suction cups. The one or more structural members are attached to a mount. The mount may be of any shape, including generally straight, angled, polygonal, or circular. An actuator assembly is attached to the mount for opening an aircraft defueling valve. The first and second suction cups are operatively connected to a vacuum source to connect the defueling fitting to an aircraft body, with the actuator assembly positioned at the aircraft defueling valve. The defueling fitting facilitates safe and convenient defueling of certain aircraft that have recessed or covered fuel drain valves. For example, the Boeing C-17 has fuel drain valves that are recessed behind doors, heretofore presenting a great obstacle to appropriate defueling. The defueling fitting described herein may be used in small and tight spaces, even when other conventional defueling fittings are not helpful.

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

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