US3339613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame stabilization
Assignee: Carrier Corp
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Filing: 1965-01-04
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Granted: 1967-09-05
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Aatto P Saha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
F; F23; F23D; F23D11/00; F23C; F23C1/00; F23C1/02; F23C7/00; F23C7/02; F23D14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN APPARATUS FOR BURNING DISPERSIBLE FUEL COMPRISING A FURNACE HAVING A COMBUSTION CHAMBER, A NOZZLE AT AN END OF SAID FURNACE FOR PASSING DISPERSIBLE FUEL INTO SAID COMBUSTION CHAMBER OF THE FURNACE TO MIX WITH AIR AND GENERATE A FLAME, MEANS INCLUDING AN AIR INLET BETWEEN SAID NOZZLE AND SAID COMBUSTION CHAMBER OF PROVIDING IN SAID COMBUSTION CHAMBER A VORTEX OF AIR MOVING AXIALLY THERETHROUGH AND GENERALLY ALONG THE WALL THEREOF AND MIXING WITH SAID FUEL, AND MEANS FOR RECEIVING SAID VORTEX AND PROVIDING A QUIESCENT ZONE STABILIZING AND EFFECTIVELY PREVENTING LIFTING OF THE FLAME AT THE NOZZLE INCLUDING A POCKET ABOUT SAID NOZZLE EXTENDING FROM SAID NOZZLE TO THE ANNULAR ORIGIN OF SAID AIR STREAM AT SAID AIR INLET.
Claim 2
Independent Claim
120 words
AN APPARATUS FOR BURNING DISPERSIBLE FUEL COMPRISING A FURNACE HAVING A COMBUSTION CHAMBER, A NOZZLE AT AN END OF SAID FURNACE FOR PASSING DISPERSIBLE FUEL INTO SAID COMBUSTION CHAMBER OF THE FURNACE TO MIX WITH AIR AND GENERATE A FLAME, MEANS INCLUDING AN AIR INLET BETWEEN SAID NOZZLE AND SAID COMBUSTION CHAMBER OF PROVIDING IN SAID COMBUSTION CHAMBER A VORTEX OF AIR MOVING AXIALLY THERETHROUGH AND GENERALLY ALONG THE WALL THEREOF AND MIXING WITH SAID FUEL, AND MEANS FOR RECEIVING SAID VORTEX AND PROVIDING A QUIESCENT ZONE STABILIZING AND EFFECTIVELY PREVENTING LIFTING OF THE FLAME AT THE NOZZLE INCLUDING A POCKET ABOUT SAID NOZZLE EXTENDING FROM SAID NOZZLE TO THE ANNULAR ORIGIN OF SAID AIR STREAM AT SAID AIR INLET.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |