Afterburner
Abstract
Abstract AN AFTERBURNER FOR ATTACHMENT TO STACKS AND FLUES FOR THE PURPOSE OF BURNING RESIDUAL PRODUCTS OF INCOMPLETE COMBUSTION, THE AFTERBURNER INCLUDING AN ELONGATED TITANIUM INNER SLEEVE CONCENTRICALLY SURROUNDED BY A SHORTER METALLIC OUTER SLEEVE WITH A THERMAL INSULATING MATERIAL POSITIONED BETWEEN THE INNER AND OUTER SLEEVES. A PAIR OF DAMPER PLATES ARE LOCATED IN THE UPPER AND LOWER ENDS OF THE INNER SLEEVE, AND ARE MOVABLE TO SELECTED POSITIONS OF CLOSURE WITHIN THE INNER SLEEVE. A BURNER IS SECURED TO THE SIDE OF THE INNER SLEEVE AT A LOCATION ABOVE THE LOWER DAMPER PLATE, AND IS CONSTRUCTED TO BURN A MIXTURE OF FUEL AND AIR AND DIRECT THE FLAME IN A GENERALLY TANGENTIAL DIRECTION INTO THE LOWER END OF THE INNER SLEEVE. A PAIR OF VERTICALLY SPACED, CIRCUMFERENTIALLY STAGGERED, SEMICIRCULAR BAFFLE PLATES ARE SECURED WITHIN THE INNER SLEEVE AT A LOCATION ABOVE THE BURNER AND FUNCTION TO IMPART A SPIRALLING OR HELICAL MOTION TO GASES MOVING UPWARDLY IN THE INNER SLEEVE.
Inventors
- 👤 Nelson R Wright
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |