US3882552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained waste treatment system
Assignee: Westinghouse Electric Corp
•
Filing: 1973-05-02
•
Granted: 1975-05-13
•
Expires: 1993-05-02
Abstract
Abstract A waste treatment system especially designed for use on a marine vessel or land based vehicle which includes a housing enclosing a bowl having a valve which closes an opening in the bottom thereof. Upon actuation of the valve to an open position, solid and liquid waste materials are discharged onto an endless coil spring belt, the arrangement being such that the liquid falls through the spring openings into a sump while the solid waste products are discharged from an end of the rotating belt into an incinerator for eventual destruction by burning. To provide a flushing liquid for the bowl, liquid from the sump is pumped through a filter which removes any solid particulate matter in the liquid and is discharged therefrom to a chlorinator which kills bacteria in the liquid prior to discharging it into the bowl. The discharge end of the pump also is connected to a hydraulic device which actuates the valve to discharge waste products from the bowl in accordance with the demands of a timer which is used for controlling pumpmotor operation. A timer also is set to control operation of the incinerator for burning the solid waste products once during each 24 hours period.
Inventors
- 👤 Abner B Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:49
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/016; A; A47; A47K; A47K11/00; A47K11/02; A47K11/023; C; C02; C02F; C02F2201/00; C02F2201/001; Y; Y02; Y02A; Y02A50/00; Y02A50/30; Y10; Y10S; Y10S4/00; Y10S4/19
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
243 words
A compact waste treatment system comprising: a housing enclosing a bowl having a liquid therein adapted to receive solid-liquid waste materials; a valve positioned to open or close a discharge opening in the bottom of said bowl, and selectively operable control means connected to control operation of said valve; solid-liquid separation means mounted in said housing below said opening and in a position to receive the solid-liquid waste materials upon actuation of said valve to an open position; incineration means enclosed in a container in said housing, said container having an inlet positioned to receive the solids in the waste materials which are separated from the liquid by the solids-liquid separation means; said incineration means including a device for moving said solids therethrough, and heating means in said incineration means of sufficient capacity to completely incinerate said solids and thus form an ash residue; an ash residue outlet in said container, and removable disposal means in said housing adjacent said container outlet for receiving the ash residue from the incineration means; a sump in the base of said housing which receives liquid from the solid-liquid separation means; a motor driven pump responsive to said control means, said pump having an inlet connected to the sump and an outlet connected to liquid conditioning means which removes suspended solids and purifies said liquid; and means connecting said liquid conditioning means with said bowl for furnishing the purified liquid thereto for bowl flushing and cleaning purposes.
Claim 2
Dependent Claim
243 words
A compact waste treatment system comprising: a housing enclosing a bowl having a liquid therein adapted to receive solid-liquid waste materials; a valve positioned to open or close a discharge opening in the bottom of said bowl, and selectively operable control means connected to control operation of said valve; solid-liquid separation means mounted in said housing below said opening and in a position to receive the solid-liquid waste materials upon actuation of said valve to an open position; incineration means enclosed in a container in said housing, said container having an inlet positioned to receive the solids in the waste materials which are separated from the liquid by the solids-liquid separation means; said incineration means including a device for moving said solids therethrough, and heating means in said incineration means of sufficient capacity to completely incinerate said solids and thus form an ash residue; an ash residue outlet in said container, and removable disposal means in said housing adjacent said container outlet for receiving the ash residue from the incineration means; a sump in the base of said housing which receives liquid from the solid-liquid separation means; a motor driven pump responsive to said control means, said pump having an inlet connected to the sump and an outlet connected to liquid conditioning means which removes suspended solids and purifies said liquid; and means connecting said liquid conditioning means with said bowl for furnishing the purified liquid thereto for bowl flushing and cleaning purposes.
Claim 3
Dependent Claim
37 words
The waste treatment system according to claim 1 wherein said control means includes a timer connected to the pump motor for operating the pump for a time period sufficient to effect flushing and cleansing of said bowl.
Claim 4
Dependent Claim
72 words
The waste treatment sysTem according to claim 2 wherein a second timer further is connected separately to said heating means and to an incinerator motor, means connecting the incinerator motor with a conveyor in the incinerator which moves solid waste products along the incinerator length so that when the second timer energizes the heating means and incinerator motor, solid waste products moved along the incinerator length are reduced to an ash residue.
Claim 5
Dependent Claim
72 words
The waste treatment system according to claim 2 wherein the pump outlet is connected to a valve actuating device, and means connecting the device with said valve; whereby liquid discharged from said pump causes the valve actuating device to open said valve and permit waste materials to be discharged from the bowl, while simultaneously causing liquid flow from the sump through the liquid conditioning means to the bowl for bowl flushing purposes.
Claim 6
Dependent Claim
117 words
The waste treatment system according to claim 1 wherein said control means includes an actuating device attached to the valve which selectively removes and replaces said valve in the opening in response to operation of said control means; said actuating device comprising a cylinder, a piston in said cylinder connected to said valve, and means biasing said valve to a closed position; and means connecting the pump outlet with the bottom of said cylinder so that when the control means starts the pump motor, liquid from the sump is pumped in parallel to the liquid conditioning means and the cylinder thereby respectively furnishing purified liquid to the bowl and raising said valve out of said bowl opening.
Claim 7
Dependent Claim
52 words
A waste water treatment system according to claim 1 wherein said solid-liquid separation means comprises a pair of spaced rotating members having an endless belt thereon, said elements and the belt being spaced a distance sufficient to permit liquid to flow therethrough while still retaining solids which are discharged to the incinerator.
Claim 8
Dependent Claim
101 words
The waste treatment system according to claim 1 wherein at least one air inlet pipe supported in said housing has an inlet communicating with the atmosphere and the outlet connected to the incineration means for supplying air thereto, the air being effective in facilitating reduction of the solids to an ash residue; and an exhaust pipe in said housing having one end connected to said incineration means and the other end to the upper part of the housing for carrying away the gaseous products of combustion from the incineration means and providing for discharge of such combustion products to the atmosphere.
Claim 9
Dependent Claim
77 words
The waste treatment system according to claim 7 wherein an after burner mounted on said housing surrounds the discharge end of the exhaust pipe, and heating means in said after burner for imparting heat to the gaseous products of combustion prior to their discharge to the atmosphere; and means attaching said air inlet pipe in heat exchange relationship with said after burner for imparting heat to air being supplied to the incineration means for increasing its efficiency.
References Cited (Backward Citations)
US1303358A
Cited
US3054117A
Cited
US3098144A
Cited
US3436765A
Cited
US3474468A
Cited
US3522613A
Cited
US3694825A
Cited
US3673614A
Cited
US3655048A
Cited
US3752090A
Cited
US3776152A
Cited
US3734852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |