Vacuum toilet apparatus for mobile units

Details Vacuum toilet apparatus for mobile units Vacuum toilet apparatus for mobile units

1979-01-17

1980-04-29

Footland, Lenard A.

Baths, closets, sinks, and spittoons

Flush closet

With holding tank

4323, 4431, B60R 1504

Patent

active

041998286

ABSTRACT:
The disclosure relates to a vacuum toilet apparatus for mobile units, for example trains or buses, having at least one toilet stool from which faeces etc. are conveyed by means of a vacuum to a storage container by the intermediary of a conduit system. A pneumatic ejector is provided for producing the requisite vacuum. The ejector is supplied with compressed air from a compressed air reservoir. The air which is used for producing the vacuum is conveyed further to the storage container for the purposes of oxygenating the liquid in the container. The storage container is under atmospheric pressure and the conduit is connected to the container via a sluice which has a discharge valve in the form of a mechanically balanced flap valve which is opened by the weight of the contents of the sluice.

REFERENCES:
patent: 744044 (1903-11-01), Burnham
patent: 1791513 (1931-02-01), Slocum
patent: 2449441 (1948-09-01), Agra
patent: 3629099 (1971-12-01), Gahmberg et al.
patent: 4120312 (1978-10-01), Michael

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