US3285316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burning combustion head
Assignee: Delavan Manufacturing Co
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Filing: 1964-01-27
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Granted: 1966-11-15
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 William E Gustafson
- 👤 Frank L Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:10
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/40; F23D11/406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
AN OIL BURNER COMBUSTION HEAD WHEREIN SAID COMBUSTION HEAD IS MOUNTED ON SAID AIR SUPPLY TUBE AND AN OIL SPRAY NOZZLE IS CENTRALLY LOCATED WITHIN SAID AIR TUBE AND HAVING IGNITION MEANS ADJACENT TEH SPRAY NOZZLE, SAID COMBUSTION HEAD COMPRISING A SUBSTANTIALLY CYLINDRICAL HOUSING, AN OUTER END PORTION ON SAID HOUSING, A DISC MOUNTED INTERIOR OF SAID HOUSING INTERMEDIATE SAID OUTER END PORTION AND SAID NOZZLE AND TRANSVERSE TO THE AXIS OF SAID HOUSING, SAID OUTER END AND SAID DISC DEFINING A CHAMBER WITHIN SAID HOUSING, SAID DISC HAVING A CENTRAL OPENING DEFINING AN INNER RIM AND AN ANNULAR PORTION, A FIRST SET OF OPENINGS IN SAID ANNULAR PORTION DEFINED BY CONVOLUTE PROTUBERANCES, SAID FIRST SET OF OPENINGS BEING SPACED INWARDLY FROM SAID CENTRAL OPENING FOR CREATING AIR CURRENTS FLOWING GENERALLY TANGENTIALLY INTO SAID CHAMBER FOR DRAWING SOME OF THE FINE OIL SPRAY FROM SAID NOZZLE TO A ZONE OF LOW VELOCITY OPPOSITE SAID RIM WHEREBY THE BURNER FLAME IS MAINTAINED IN CLOSE PROXIMITY OF SAID RIM AND TO SAID FIRST SET OF OPENINGS, AND A SECOND SET OF OPENINGS IN SAID ANNULAR PORTION INTERMEDIATE SAID FIRST SET OF OPENINGS AND THE INNER SURFACE OF SAID HOUSING, SAID SECOND SET OF OPENINGS BEING DEFINED BY CONVOLUTE PROTUBERANCES FOR TANGENTIALLY DIRECTING AIR INTO SAID CHAMBER FOR CREATING AIR TURBULENCE TO PROVIDE A SUBSTANTIALLY BRUSH-SHAPED FLAME AND ALSO ASSISTING SAID FIRST SET OF OPENINGS IN CREATING AIR CURRENTS FOR MAINTAINING SAID FLAME IN CLOSE PROXIMITY TO SAID DISC.
Claim 2
Dependent Claim
246 words
AN OIL BURNER COMBUSTION HEAD WHEREIN SAID COMBUSTION HEAD IS MOUNTED ON SAID AIR SUPPLY TUBE AND AN OIL SPRAY NOZZLE IS CENTRALLY LOCATED WITHIN SAID AIR TUBE AND HAVING IGNITION MEANS ADJACENT TEH SPRAY NOZZLE, SAID COMBUSTION HEAD COMPRISING A SUBSTANTIALLY CYLINDRICAL HOUSING, AN OUTER END PORTION ON SAID HOUSING, A DISC MOUNTED INTERIOR OF SAID HOUSING INTERMEDIATE SAID OUTER END PORTION AND SAID NOZZLE AND TRANSVERSE TO THE AXIS OF SAID HOUSING, SAID OUTER END AND SAID DISC DEFINING A CHAMBER WITHIN SAID HOUSING, SAID DISC HAVING A CENTRAL OPENING DEFINING AN INNER RIM AND AN ANNULAR PORTION, A FIRST SET OF OPENINGS IN SAID ANNULAR PORTION DEFINED BY CONVOLUTE PROTUBERANCES, SAID FIRST SET OF OPENINGS BEING SPACED INWARDLY FROM SAID CENTRAL OPENING FOR CREATING AIR CURRENTS FLOWING GENERALLY TANGENTIALLY INTO SAID CHAMBER FOR DRAWING SOME OF THE FINE OIL SPRAY FROM SAID NOZZLE TO A ZONE OF LOW VELOCITY OPPOSITE SAID RIM WHEREBY THE BURNER FLAME IS MAINTAINED IN CLOSE PROXIMITY OF SAID RIM AND TO SAID FIRST SET OF OPENINGS, AND A SECOND SET OF OPENINGS IN SAID ANNULAR PORTION INTERMEDIATE SAID FIRST SET OF OPENINGS AND THE INNER SURFACE OF SAID HOUSING, SAID SECOND SET OF OPENINGS BEING DEFINED BY CONVOLUTE PROTUBERANCES FOR TANGENTIALLY DIRECTING AIR INTO SAID CHAMBER FOR CREATING AIR TURBULENCE TO PROVIDE A SUBSTANTIALLY BRUSH-SHAPED FLAME AND ALSO ASSISTING SAID FIRST SET OF OPENINGS IN CREATING AIR CURRENTS FOR MAINTAINING SAID FLAME IN CLOSE PROXIMITY TO SAID DISC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |