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US3822653A Expired / Lapsed US ⏱️ 0.0 years remaining

Incinerating furnace for fluid and sludged refuse

Assignee: Individual
•
Filing: 1973-01-08
•
Granted: 1974-07-09
•
Expires: 1993-01-08
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Abstract

Abstract The present invention relates to an incinerating furnace for burning or incinerating liquid or sludged refuse and waste in which the materials to be incinerated are introduced or injected through the burners or injectors. The furnace comprises at least a vertical combustion chamber and a number of burners mounted in the upper part of said vertical combustion chamber, said burners being arranged in spaced relationship to one another and having their injection or flame axis inclined downwardly and directed substantially onto a common point on the central axis of the combustion chamber, and further comprising an outlet chamber at the lower end of said combustion chamber.

Inventors

  • 👤 S Ghelfi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:54
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/08; F23G5/14; F23G5/16; F23G5/165; F23G7/00; F23G7/001

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 107 words
An incinerating furnace for fluid and sludged refuse comprising at least a vertical combustiOn chamber and a number of burners mounted in the upper part of said vertical combustion chamber, said burners being arranged in spaced relationship to one another and having their injection or flame axis inclined downwardly and directed substantially onto a common point on the central axis of the combustion chamber, there being provided a further sludge burner or injector mounted at the center of the top of the furnace and directed along the central axis of the combustion chamber, and further comprising an outlet chamber at the lower end of said combustion chamber.
Claim 2
Dependent Claim 107 words
An incinerating furnace for fluid and sludged refuse comprising at least a vertical combustiOn chamber and a number of burners mounted in the upper part of said vertical combustion chamber, said burners being arranged in spaced relationship to one another and having their injection or flame axis inclined downwardly and directed substantially onto a common point on the central axis of the combustion chamber, there being provided a further sludge burner or injector mounted at the center of the top of the furnace and directed along the central axis of the combustion chamber, and further comprising an outlet chamber at the lower end of said combustion chamber.
Claim 3
Dependent Claim 29 words
A furnace as claimed in claim 1 wherein said combustion chamber has a cylindrical vertical wall and conically inclined bottom with a central opening leading into said outlet chamber.
Claim 4
Dependent Claim 60 words
A furnace as claimed in claim 1, wherein said first mentioned burners are arranged into the top of the furnace at substantially equal radial distances from the central axis of the combustion chamber and angularly spaced, the axis of the burners being inclined and directed to a point at the lower end on the central axis of the combustion chamber.
Claim 5
Dependent Claim 24 words
A furnace as claimed in claim 2, wherein the diameter of said central bottom opening is smaller than the diameter of the combustion chamber.
Claim 6
Dependent Claim 35 words
A furnace as claimed in claim 1, wherein said outlet chamber is a substantially horizontal post-combustion chamber, said chamber being provided with vertical partition walls having holes therein for the passage of the combustion products.
Claim 7
Dependent Claim 18 words
A furnace as claimed in claim 5, wherein said walls are mounted for periodical removal from the chamber.

References Cited (Backward Citations)

US3563187A Cited
US3513788A Cited
US3628473A Cited
US3697256A Cited
US3738289A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-07-08 1978-01-07 1978-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-08 1982-01-07 1982-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-08 1986-01-07 1986-07-09 $7700.00 Window Closed / Lapsed

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