Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1993-03-15
1994-03-01
Weiss, John G.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
119 17, 119165, D30112, A01K 101
Patent
active
052898008
ABSTRACT:
Minimizing or eliminating the amount of odor-laden air that leaves a cat litter box and circulates into the room is accomplished by the mixing of the cooler room air with the hotter air that rises from the animal's fecal matter to the top of the box and then out through a series of charcoal filters.
This is achieved by having a dome cover (aesthetically or ornamentally designed to look like a bank) of approximately fourteen inches high, and twenty inches long by fifteen inches wide placed across the top of the litter box and/or removably fastened to same. The odor elimination or minimization starts with the cat's excretion of warm fecal matter in to the litter box or waste elimination system. As the warm, odor-laden air rises, it mixes in with the fresh cooler air entering into the dome cover from several (such as ten) designed slots on the outside of the dome cover.
This diluted air automatically reduces odor by expanding the air flow to the top of the enclosure. At the top of the dome cover the diluted air enters outlets that have charcoal filters therein, thereby purifying the air as it passes through the filters and into the general air in the room in which the litter box or waste elimination system is placed.
REFERENCES:
patent: 3428026 (1969-02-01), Schmers et al.
patent: 3752120 (1973-08-01), Pallesi
patent: 3865425 (1975-02-01), French
patent: 5129364 (1992-07-01), Pirkie
patent: 5134973 (1992-08-01), Sarullo
patent: 5136980 (1992-08-01), Schoeber
patent: 5178099 (1993-01-01), Lapps et al.
Neyerlin Wallace F.
Weiss John G.
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