Non recirculating method of disposing of waste products for airc

Details Non recirculating method of disposing of waste products for airc Non recirculating method of disposing of waste products for airc

1981-02-26

1982-11-09

Castel, Benoit

Baths, closets, sinks, and spittoons

Flush closet

Reduced gravity environment type

4323, 4431, 4434, 210767, B64D 1102

Patent

active

043577199

ABSTRACT:
A method of flushing a toilet for aircraft or the line using vacuum and pressure, in which there is a toilet or other waste receiving bowl, a waste the holding tank, and a valve means for opening or closing the drain line. A vacuum is created in the waste holding tank and the drain line. The drain line is closed or opened by the action of the valve means. In the method the valve means is actuated by vacuum to open the drain line to connect the bowl to the holding tank to apply vacuum on the bowl to suck the contents from the bowl and deliver it to the holding tank. When the bowl has been emptied, pressure is applied to the valve means for closing the drain line to again build up vacuum in the system for subsequent operation.

REFERENCES:
patent: 3482267 (1969-12-01), Liljendahl
patent: 3686693 (1972-08-01), Liljendahl
patent: 3720962 (1973-03-01), Harrah
patent: 3788338 (1974-01-01), Burns
patent: 3811135 (1974-05-01), Drouhard, Jr. et al.
patent: 3922730 (1975-12-01), Kemper
patent: 3984080 (1976-10-01), Varis et al.
patent: 3995328 (1976-12-01), Carolan et al.
patent: 4170048 (1979-10-01), Anthony
patent: 4232409 (1980-11-01), Van Pham

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