Patent US3309027A successfully refreshed from Google Patents.
US3309027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1964-12-18
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Granted: 1967-03-14
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Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Abraham B Chadwick
- 👤 Jack N Tutterrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:30
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/40; F23D11/406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
IN AN OIL BURNER, AN AIR TUBE, FUEL NOZZLE MEANS IN SAID AIR TUBE, A NOSE TUBE AT THE DISCHARGE END OF SAID AIR TUBE HAVING A DIAMETER LESS THAN THAT OF THE AIR TUBE TO THEREBY PROVIDE AN ANNULAR SHOULDER, A SPINNER PLATE HAVING A SUBSTANTIALLY PLANAR PERIPHERAL FLARING PORTION SEATING AGAINST SUCH SHOULDER SO AS TO CENTER SAID SPINNER PLATE RELATIVE TO SAID NOSE TUBE, SAID SPINNER PLATE HAVING RADIALLY EXTENDING VANE MEMBERS AND COOPERATING OPENINGS TO SPIN AIR DISCHARGING THEREFROM, SAID SPINNER PLATE ALSO HAVING A SERIES OF APERTURES RADIALLY OUT BOARD OF SAID VANES FORMING A SUBSTANTIAL CYLINDRICAL AIR DISCHARGE OPENING, SAID APERTURES PROVIDING A CYLINDRICAL CURTAIN OF AIR WHICH CONFINES THE OIL SPRAY ISSUING FROM SAID FUEL NOZZLE, SAID NOSE TUBE HAVING A CYLINDRICAL WALL PORTION EXTENDING FORWARDLY OF SAID SPINNER PLATE, SAID WALL PORTION PROVIDING A SURFACE TO DEFLECT RADIAL COMPONENTS OF AIR LEAVING SAID VANE MEMBERS TOWARDS THE CENTER OF THE NOSE TUBE THEREBY CREATING EDDY CURRENTS AND CREATING A LOW PRESSURE ADJACENT THE INNER SURFACE OF THE NOSE TUBE TENDING TO PULL OIL DROPLETS RADIALLY OUTWARDLY FROM THE FUEL NOZZLE THROUGH THE TURBULENT AREA IN FRONT OF THE SPINNER PLATE SO THAT THERE IS THROUGH MIXING OF AIR AND OIL RESULTING IN COMBUSTION TAKING PLACE ACROSS THE FACE OF THE SPINNER PLATE.
Claim 2
Dependent Claim
220 words
IN AN OIL BURNER, AN AIR TUBE, FUEL NOZZLE MEANS IN SAID AIR TUBE, A NOSE TUBE AT THE DISCHARGE END OF SAID AIR TUBE HAVING A DIAMETER LESS THAN THAT OF THE AIR TUBE TO THEREBY PROVIDE AN ANNULAR SHOULDER, A SPINNER PLATE HAVING A SUBSTANTIALLY PLANAR PERIPHERAL FLARING PORTION SEATING AGAINST SUCH SHOULDER SO AS TO CENTER SAID SPINNER PLATE RELATIVE TO SAID NOSE TUBE, SAID SPINNER PLATE HAVING RADIALLY EXTENDING VANE MEMBERS AND COOPERATING OPENINGS TO SPIN AIR DISCHARGING THEREFROM, SAID SPINNER PLATE ALSO HAVING A SERIES OF APERTURES RADIALLY OUT BOARD OF SAID VANES FORMING A SUBSTANTIAL CYLINDRICAL AIR DISCHARGE OPENING, SAID APERTURES PROVIDING A CYLINDRICAL CURTAIN OF AIR WHICH CONFINES THE OIL SPRAY ISSUING FROM SAID FUEL NOZZLE, SAID NOSE TUBE HAVING A CYLINDRICAL WALL PORTION EXTENDING FORWARDLY OF SAID SPINNER PLATE, SAID WALL PORTION PROVIDING A SURFACE TO DEFLECT RADIAL COMPONENTS OF AIR LEAVING SAID VANE MEMBERS TOWARDS THE CENTER OF THE NOSE TUBE THEREBY CREATING EDDY CURRENTS AND CREATING A LOW PRESSURE ADJACENT THE INNER SURFACE OF THE NOSE TUBE TENDING TO PULL OIL DROPLETS RADIALLY OUTWARDLY FROM THE FUEL NOZZLE THROUGH THE TURBULENT AREA IN FRONT OF THE SPINNER PLATE SO THAT THERE IS THROUGH MIXING OF AIR AND OIL RESULTING IN COMBUSTION TAKING PLACE ACROSS THE FACE OF THE SPINNER PLATE.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |