Apparatus for low noise flushing a vacuum toilet, especially in

Details Apparatus for low noise flushing a vacuum toilet, especially in Apparatus for low noise flushing a vacuum toilet, especially in

1993-01-25

1994-06-07

Recla, Henry J.

Baths, closets, sinks, and spittoons

Flush closet

Bowl

4435, 4438, E03D 914

Patent

active

053177630

ABSTRACT:
The noise developed in a suction toilet system, for example in an aircraft, by the activation of a suction valve is substantially reduced by generating the required suction with the aid of two valves, one of which is a by-pass flow valve that can be arranged away from the toilet bowl itself. The air supply for the by-pass flow valve is provided through a noise damper, whereby a substantial reduction in the noise is achieved. The by-pass flow valve is connected to the conduit that connects the bowl to the collecting container with a T-coupling near the container.

REFERENCES:
patent: 4297751 (1981-11-01), Olin et al.
patent: 4783859 (1988-11-01), Rozenblatt
patent: 5007117 (1991-04-01), Oldfelt et al.
patent: 5165457 (1992-11-01), Olin et al.
Article: "Schallschutz bei der Sanitaerinstallation", Heft 6, 1991 IKZ-Haustechnik, pp. 54,57,58,60.

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