US3864258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating sewage
Assignee: Rsc Ind Inc
•
Filing: 1973-03-26
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Granted: 1975-02-04
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Expires: 1993-03-26
Abstract
Abstract Apparatus for disposal of human waste received from toilets and other like disposable waste products with particular utility in passenger carrying vehicles such as waterborne vessels. The method of the apparatus of the invention involves the steps of passing a waste material, such as sewage, immediately upon generation, from a toilet to a filtration area, separating the sewage, primarily fecal solids and paper solids present in an aqueous medium by deposit on a moving porous medium through which the aqueous medium passes to a filtered liquid accumulator, moving said porous medium to carry the deposited solids through a thermal destructor chamber wherein the viable material is destroyed and solids are converted to inert ashes and separately discharging inert ash and gases produced in said thermal destructor chamber. By proper design of the porous media a given amount of liquid can also be carried to the thermal destructive zone wherein it will be thermally destroyed permitting a balance to be obtained in the reservoir. Additions of make up water can be by level control as well.
Inventors
- 👤 John M Richardson
- 👤 George W Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:49
CPC Classifications
C; C02; C02F; C02F11/00; C02F11/12; C02F11/121; C02F11/123; C02F11/13; C07; C07C; C07C51/00; C07C51/16; C07C51/31; C07C51/316; C07C51/34; F; F23; F23G; F23G7/00; F23G7/001; C02F2103/00; C02F2103/005; C02F2201/00; C02F2201/001; Y; Y10; Y10S; Y10S4/00; Y10S4/19
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
224 words
A self contained, non-contaminating waste disposal system, comprising a toilet for waste matter, a macerator pump receiving sid waste matter, conduit means to said macerator pump for conveying comminuted waste produced and terminating in a distributor means, a movable endless and porous belt below said distributor means for separating solids and liquids of controlled particle size, a sump for receiving said separated liquids, a thermal destruction chamber directly adjacent to said distributor means, said porous belt extending through said destruction chamber, means for moving said porous belt to carry said solids through said thermal destruction chamber, means for heating said thermal destruction chamber by radiant heat for subjecting said solids to high temperature oxidation at temperatures in the range of 900* to 1,800*F. to convert said solids to an inert ash in the thermal destruction chamber, means for exhausting thermally destructed gases from said thermal destruction chamber externally to the atmosphere, means for removing said ash from the thermal destruction chamber to an external receptacle, means for cleaning said porous belt, reservoir means for receiving said separated liquid from said sump, means for evaporating excess liquid, means for disinfecting said separated liquids, means for recycling separated liquid from the reservoir means for flushing the toilet, means for controlling the level in said reservoir means, and means for adding makeup water to said reservoir means.
Claim 2
Dependent Claim
224 words
A self contained, non-contaminating waste disposal system, comprising a toilet for waste matter, a macerator pump receiving sid waste matter, conduit means to said macerator pump for conveying comminuted waste produced and terminating in a distributor means, a movable endless and porous belt below said distributor means for separating solids and liquids of controlled particle size, a sump for receiving said separated liquids, a thermal destruction chamber directly adjacent to said distributor means, said porous belt extending through said destruction chamber, means for moving said porous belt to carry said solids through said thermal destruction chamber, means for heating said thermal destruction chamber by radiant heat for subjecting said solids to high temperature oxidation at temperatures in the range of 900* to 1,800*F. to convert said solids to an inert ash in the thermal destruction chamber, means for exhausting thermally destructed gases from said thermal destruction chamber externally to the atmosphere, means for removing said ash from the thermal destruction chamber to an external receptacle, means for cleaning said porous belt, reservoir means for receiving said separated liquid from said sump, means for evaporating excess liquid, means for disinfecting said separated liquids, means for recycling separated liquid from the reservoir means for flushing the toilet, means for controlling the level in said reservoir means, and means for adding makeup water to said reservoir means.
Claim 3
Dependent Claim
24 words
The waste disposal system in accordance with claim 1 further including means insulating and containerizing the system into one compact low external temperature unit.
Claim 4
Dependent Claim
27 words
The waste disposal system in accordance with claim 1 wherein thermally protected control means are provided in said thermal destruction chamber for maintaining an appropriate temperature therein.
Claim 5
Dependent Claim
27 words
The waste disposal system in accordance with claim 3 wherein said thermally protected control means are provided with means for indicating any malfunction in said control means.
References Cited (Backward Citations)
US1788790A
Cited
US3486621A
Cited
US3559807A
Cited
US3642135A
Cited
US3668077A
Cited
US3679053A
Cited
US3673614A
Cited
US3655048A
Cited
US3733617A
Cited
US3762554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |