Patent US3563188A successfully refreshed from Google Patents.
US3563188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smokeless trash incinerator system
Assignee: Midland Ross Corp
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Filing: 1969-02-25
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Granted: 1971-02-16
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Expires: 1989-02-25
Abstract
Abstract An incinerator unit for disposal of a variety of waste materials having an initial burning chamber of avoid section providing a lower trash-burning zone and an upper heat-reflecting zone having a narrowed portion of parabolic section, an air supply system for presenting air under the fire and over the fire, and an afterburner system arranged along a stack for the incinerator. The afterburner system provides a supplemental air supply and a preassembled fuel-supported burner unit disposed thereabove. Vertically spaced along the flue, or stack, is a final selfcontaining fire zone supported by supplemental preheated air passing into the fire zone from a heat exchanger which is mounted on and surrounds the flue. After retention and burning in the final fire zone, the effluent is passed to the atmosphere at an acceptable level of smoke and fly ash.
Inventors
- 👤 John P Prosser
- 👤 Lubertus Bakker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:28
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/08; F23G5/14; F23G5/18
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
141 words
A TRASH INCINERATOR COMPRISING; A TRASH-RECEIVING CHAMBER OF OVOID CROSS SECTION AND END WALLS HAVING A LOWER TRASH-BURNING ZONE DEFINED BY A LOWER BROADER PORTION OF THE CHAMBER, AND AN UPPER HEAT-REFLECTING ZONE DEFINED BY AN UPPER NARROWER PORTION; A STACK CONNECTED WITH THE UPPER ZONE THROUGH ONE OF SAID END WALLS AND COMPRISING A FLUE; WALL MEANS IN EXTERIOR SPACED RELATION WITH SAID FLUE AND COMBINING WITH SAID FLUE TO DEFINE A HEAT EXCHANGER FOR AIR HAVING A HEAT EXCHANGE REGION, OUTLET APERTURES THROUGH THE FLUE ADJACENT THE UPSTREAM OR DOWNWARD END OF THE HEAT EXCHANGER FOR FEEDING AIR FROM SAID REGION INTO THE FLUE AND AN INLET FOR SAID REGION DISPOSED SUBSTANTIALLY DOWNSTREAM OR UPWARDLY FROM SAID APERTURES; AND AIR-DISPENSING MEANS DISPOSED ALONG THE BOTTOM OF SAID CHAMBER ARRANGED FOR DISCHARGING AIR UPWARDLY INTO AND THROUGH A TRASH CHARGE.
Claim 2
Dependent Claim
141 words
A TRASH INCINERATOR COMPRISING; A TRASH-RECEIVING CHAMBER OF OVOID CROSS SECTION AND END WALLS HAVING A LOWER TRASH-BURNING ZONE DEFINED BY A LOWER BROADER PORTION OF THE CHAMBER, AND AN UPPER HEAT-REFLECTING ZONE DEFINED BY AN UPPER NARROWER PORTION; A STACK CONNECTED WITH THE UPPER ZONE THROUGH ONE OF SAID END WALLS AND COMPRISING A FLUE; WALL MEANS IN EXTERIOR SPACED RELATION WITH SAID FLUE AND COMBINING WITH SAID FLUE TO DEFINE A HEAT EXCHANGER FOR AIR HAVING A HEAT EXCHANGE REGION, OUTLET APERTURES THROUGH THE FLUE ADJACENT THE UPSTREAM OR DOWNWARD END OF THE HEAT EXCHANGER FOR FEEDING AIR FROM SAID REGION INTO THE FLUE AND AN INLET FOR SAID REGION DISPOSED SUBSTANTIALLY DOWNSTREAM OR UPWARDLY FROM SAID APERTURES; AND AIR-DISPENSING MEANS DISPOSED ALONG THE BOTTOM OF SAID CHAMBER ARRANGED FOR DISCHARGING AIR UPWARDLY INTO AND THROUGH A TRASH CHARGE.
Claim 3
Dependent Claim
22 words
The trash incinerator of claim 1 comprising a fluid-fuel-burning burner disposed in said stack between said upper zone and said heat exchanger.
Claim 4
Dependent Claim
54 words
The trash incinerator of claim 1 comprising: an air supply means with multiple openings for injecting air into the stack disposed along said stack between said upper zone and said heat exchanger; and a fluid-fuel-burning burner disposed in said stack between and in spaced relation with said air supply means and said heat exchanger.
Claim 5
Dependent Claim
47 words
The incinerator of claim 3 comprising a multiapertured block occupying substantially the entire cross section of said flue received in a lower portion of said heat exchanger immediately above said outlet apertures thereof, the apertures of said block being elongated in the lengthwise direction of the flue.
Claim 6
Dependent Claim
29 words
The incinerator of claim 3 wherein the air supply means includes a plurality of vanes circuitly spaced about the axis of a flue extending through the air supply means.
Claim 7
Dependent Claim
66 words
The incinerator of claim 3 comprising a burner unit wherein: said burner is ring-shaped and is generally-concentric relation with the axis of the enclosing flue and adjacent flue and has apertures for discharging flame both upwardly in the direction of stack gas travel and radially inward; and an annulus having an inner surface of concave radial cross section in radially outward spaced relation with the burner.
Claim 8
Dependent Claim
115 words
The incinerator of claim 1 wherein the stack comprises in the order named and proceeding in the downstream or upward direction of the stack: an air supply means for injecting air into a lower portion of the stack; a burner within the stack in spaced relation with the air-supplying means; a counterflow heat exchanger peripherally enclosing a flue of said stack as its inner wall and placing air entering said heat exchanger in heat exchange relation with gases passing through the flue; and said flue having air outlet apertures at the lower end of the heat exchanger, the interior of the flue within the heat exchanger being a final combustion zone for gases passing therethrough.
Claim 9
Dependent Claim
175 words
A trash incinerator comprising: a trash-receiving chamber having a lower trash-burning zone defined by a lower portion of the chamber, and an upper heat-reflecting zone defined by an upper portion; a stack connected with the upper zone through one of said end walls and comprising a flue; wall means in exterior spaced relation with said flue and combining with said flue to define a heat exchanger for air having a heat-exchange region, outlet apertures through the flue adjacent the upstream end of the heat exchanger for feeding air from said region into the flue, and an inlet for said region disposed substantially downstream or upwardly from said apertures; air-dispensing means disposed along the bottom of said chamber arranged for discharging air upwardly into and through a trash charge; an air supply means with multiple openings for injecting air into the stack disposed along said stack between said upper zone and said heat exchanger; and a fluid-fuel-burning burner disposed in said stack between and in spaced relation with said air supply means and said heat exchanger.
Claim 10
Dependent Claim
175 words
A trash incinerator comprising: a trash-receiving chamber having a lower trash-burning zone defined by a lower portion of the chamber, and an upper heat-reflecting zone defined by an upper portion; a stack connected with the upper zone through one of said end walls and comprising a flue; wall means in exterior spaced relation with said flue and combining with said flue to define a heat exchanger for air having a heat-exchange region, outlet apertures through the flue adjacent the upstream end of the heat exchanger for feeding air from said region into the flue, and an inlet for said region disposed substantially downstream or upwardly from said apertures; air-dispensing means disposed along the bottom of said chamber arranged for discharging air upwardly into and through a trash charge; an air supply means with multiple openings for injecting air into the stack disposed along said stack between said upper zone and said heat exchanger; and a fluid-fuel-burning burner disposed in said stack between and in spaced relation with said air supply means and said heat exchanger.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |