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US3822654A Expired / Lapsed US ⏱️ 0.0 years remaining

Burner for burning various liquid and gaseous combustibles or fuels

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 a burner for burning various liquid and gaseous combustibles or fuels simultaneously, i.e., a burner which can operate and work simultaneously with gaseous and liquid combustibles and with liquids and or gas containing materials to be incinerated. The burner of the invention comprises a first tubular outer shell and a plurality of concentrically arranged tubular inner shells forming a number of ring shaped chambers opening into a common mixing chamber provided at the front end of said first shell each of said chambers communicating with a source of combustion air or a source of fuels, the burner further comprising means for the controlled feeding of combustion air or fuel into said chambers.

Inventors

  • 👤 S Ghelfi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 03:57
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/001; F23D; F23D17/00; F23D17/002

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 115 words
A burner for various liquid and gaseous combustibles or fuels, comprising a first tubular outer shell and a plurality of concentrically arranged tubular inner shells forming a number of ring shaped chambers opening into a common mixing chamber provided at the front end of said first shell, each of said chambers communicating with a source of combustion air or a source of fuels, and means for the controlled feeding of combustion air or fuel into said chambers, said outer shell projecting into a combustion chamber thereby forming a ring shaped zone or chamber between the part of said outer shell projecting into the combustion chamber and the end and side walls of said combustion chamber.
Claim 2
Dependent Claim 115 words
A burner for various liquid and gaseous combustibles or fuels, comprising a first tubular outer shell and a plurality of concentrically arranged tubular inner shells forming a number of ring shaped chambers opening into a common mixing chamber provided at the front end of said first shell, each of said chambers communicating with a source of combustion air or a source of fuels, and means for the controlled feeding of combustion air or fuel into said chambers, said outer shell projecting into a combustion chamber thereby forming a ring shaped zone or chamber between the part of said outer shell projecting into the combustion chamber and the end and side walls of said combustion chamber.
Claim 3
Dependent Claim 44 words
A burner according to claim 1 wherein said ring shaped chambers are closed at their rear ends and open at their front ends into said common mixing chamber, and there is further provided fuel or combustion air feeding ducts for each of said chambers.
Claim 4
Dependent Claim 25 words
A burner as claimed in claim 2, wherein the innermost of said concentric tubular shells is mounted axially slidable with respect to the other shells.
Claim 5
Dependent Claim 19 words
A burner as claimed in claim 1, wherein the innermost shell is a nozzle for injecting a liquid fuel.

References Cited (Backward Citations)

US1976528A Cited
US2335188A Cited
US3489108A Cited
US3611954A Cited
US3729285A 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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