Baths – closets – sinks – and spittoons – Flush closet – Bowl
Patent
1993-10-19
1995-03-14
Recla, Henry J.
Baths, closets, sinks, and spittoons
Flush closet
Bowl
4321, 4323, E03F 100
Patent
active
053966686
DESCRIPTION:
BRIEF SUMMARY
SYSTEM FOR DISCHARGING WASTES
The present invention is directed to a discharge system that discharges mass (wastes) from a unit producing such discharge mass (wastes). In particular, the present invention can be used for discharging wastes from a toilet basin in a vehicle. The present invention includes a device for creating a partial vacuum, an intermediate container and a collecting basin that are joined together by pipelines and valves.
BACKGROUND OF THE INVENTION
In a known discharge system of this type (DE-OS 39 32 893), air or gases are removed from the collecting basin and the intermediate container and fed into a pressure vessel. Furthermore, the pressure vessel, along with the vacuum in the intermediate container and collecting basin, ensures that the discharge mass makes it way into the collecting basin. However, the vacuum generator and the pressure vessel cannot be sized large enough to achieve this, such that there are doubts as to whether this known system even functions. Since the collecting basin has a relatively large volume, the vacuum pump would also have to be designed fairly large. In any case, because of this large volume, the unit producing the discharge mass would only be able to be used--if at all--at relatively long periods of time.
In the known system, there are also a number of devices necessary that make the entire system not only awkward and prone to trouble, but also quite costly.
SUMMARY OF THE INVENTION
The present invention is directed to a discharge system having a simplified design when compared to that discussed above and which has reduced costs of manufacture and operation.
BRIEF DESCRIPTIONS OF THE DRAWINGS
FIG. 1 shows a diagram of the discharge system of the present invention.
FIG. 2 shows a diagram of the discharge system of the present invention housed in the unit located on producing the discharge mass or wastes (i.e. a toilet).
FIG. 3 shows a diagram of the discharge system of the present invention contained in a separate disposable block and attached to the unit producing the discharge mass or wastes.
FIG. 4 show a diagram of the discharge system of the present invention contained in the seat of a toilet basin.
DETAILED DESCRIPTION OF THE INVENTION
First of all, a significant advantage of the present invention is that a relatively small vacuum-creating device can be used. This is due to the fact that the intermediate container can have a relatively small volume, a matter of a few liters, and thus only a small volume needs to be evacuated. When the intermediate container is placed under sufficient vacuum, the discharge mass is sucked into the intermediate container, and thereafter by introducing compressed air into the intermediate container, the discharge mass or wastes contained in the intermediate container are pushed into the collecting basin. In this way the discharge system of the present invention can be manufactured at lower cost due in part to the use of a smaller vacuum pump. In addition, the discharge system of the present invention enables the unit producing the discharge mass to be operated at relatively short intervals of time.
The present invention will now be described by referring to FIG. 1 where a toilet basin 1 equipped with a known flushing system (not described in detail) is used as the unit for producing a discharge mass. At the discharge end of the toilet bowl 1 there is a valve 5 that leads via a pipe 7 to an intermediate container 17 in which a vacuum device, such as a vacuum pump, is arranged either in the immediate vicinity of the immediate container 17 or connected thereto by a short pipe with valve. The vacuum device 6 is designed in such a way that the interior of the intermediate container 17 can be evacuated quickly. Any gases sucked off or removed by the action of the vacuum device can also be fed into the collecting basin 9. An ejector can be used as the vacuum device that is activated via the already existing compressed air installation. Further, a pipe 15 leads into the collecting basin 17 via a valve 20, and this
REFERENCES:
patent: 3643265 (1972-02-01), Wiswell, Jr.
patent: 3720962 (1973-03-01), Harrah
patent: 4286342 (1981-09-01), Anthony
Eloshway Charles R.
Recla Henry J.
Sanivac Vakuumtechnik GmbH
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