Apparatus for operating a vacuum plumbing system in an aircraft

Details Apparatus for operating a vacuum plumbing system in an aircraft Apparatus for operating a vacuum plumbing system in an aircraft

1995-09-26

1998-01-13

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Passenger or crew accommodation

4321, B64D 1102

Patent

active

057070270

ABSTRACT:
A vacuum plumbing system especially in an aircraft equipped with jet engines, is provided with a tap air supply source (4) that receives the tap air from the engine exhaust and is connected with a nozzle (1A) of at least one ejector or jet air pump (1) while the suction port (1C) of the pump (1) is connected through ducts or pipes (7, 11, 12) to a refuse collecting duct (15) either directly or indirectly through refuse collecting tank (9). Filters in the tank and conveying pumps are thus avoided.

REFERENCES:
patent: 1291628 (1919-01-01), Parsons
patent: 2044088 (1936-06-01), Lord
patent: 2431264 (1947-11-01), Lynett
patent: 2519531 (1950-08-01), Worn
patent: 4199828 (1980-04-01), Hellers
patent: 4791688 (1988-12-01), Krishnakumar
patent: 4905325 (1990-03-01), Colditz
patent: 5372710 (1994-12-01), Frank
patent: 5396668 (1995-03-01), Haatanen
patent: 5432958 (1995-07-01), Bochmann et al.

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