Gas turbine engine combustion equipment
Abstract
Abstract THE INVENTION CONCERNS GAS TURBINE ENGINE COMBUSTION EQUIPMENT COMPRISING AN ANNULAR CHAMBER, MEANS DEFINING A PLURALITY OF ALTERNATELY ARRANGED, RADIALLY EXTENDING, PRIMARY COMBUSTION ZONES AND DIFFUSING DILUTION AIR PASSAGES, SAID MEANS BEING MOUNTED WITHIN AN UPSTREAM PORTION OF THE FLAME TUBE, THE ANNULAR CHAMBER HAVING A DOWNSTREAM PORTION WITHIN WHICH MIXING IS EFFECTED BETWEEN THE COMBUSTION GASES FROM THE SAID ZONES AND THE DILUTION AIR FROM SAID PASSAGES, AND MEANS FOR SUPPLYING FUEL AND AIR TO EACH SAID ZONE, THE ANNULAR CHAMBER HAVING A DIFFUSING INLET DUCT WHICH SUPPLIES DILUTION AIR TO SAID PASSAGE AND A ROTATABLE ASSEMBLY OF VANES WHICH ARE LOCATED IN THE DIFFUSING INLET DUCT AND WHICH EFFECT DIFFUSION OF THE AIR THEREOVER.
Inventors
- 👤 Geoffrey Light Wilde
Bibliographic Details
Claims Analysis
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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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |