US3605405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon elimination and cooling improvement to scroll type combustors
Assignee: General Electric Co
•
Filing: 1970-04-09
•
Granted: 1971-09-20
•
Expires: 1990-04-09
Abstract
Abstract AN IMPROVEMENT FOR APPARATUS OF THE TYPE ADAPTED TO PREMIX AIR AND FUEL OR CARBURET AIR PRIOR TO INTRODUCTION THEREOF AS A VORTICAL FLOW INTO A PRIMARY ZONE OF A COMBUSTOR, THE IMPROVEMENT COMPRISES A PURGE AIR OPENING POSITIONED WITHIN AN UPSTREAM WALL OF A SPIN CHAMBER AND COVERED BY A CAP HAVING A PLURALITY OF SMALL OPENINGS LOCATED THEREIN. PURGE AIR FLOWS FROM THE COMPRESSOR THROUGH THE SMALL OPENINGS INTO A CHAMBER FORMED BY THE CAP AND THEREAFTER INTO THE SPIN CHAMBER IN SUCH A MANNER AS TO PREVENT IMPINGEMENT OF HIGH TEMPERATURE GASES ON THE UPSTREAM WALL OF THE SPIN CHAMBER WITHOUT DETRIMENTALLY AFFECTING GENERATION OF THE PRIMARY VORTICAL FLOW.
Inventors
- 👤 Thomas L Du Bell
- 👤 Barry Weinstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:35
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/10; F23R3/12; F23R3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
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 |