US3718440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative afterburner for air pollution elimination
Assignee: Individual
•
Filing: 1971-01-27
•
Granted: 1973-02-27
•
Expires: 1991-01-27
Abstract
Abstract An afterburner including a regenerator disk having passages therethrough disposed over the combustion chamber, means slowly rotating the disk, a inlet duct having a first rigid seal extending completely about the periphery of the upper surface of the disk, and an exhaust duct extending through the inlet duct, the duct chamber having a second seal extending about a sector of the upper surface of the disk within the first seal.
Inventors
- 👤 Pegg R Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:15
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/26; F01N3/36; Y; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
The combination according to claim 1 wherein there is a plurality of said disks and means rotating said disks mounted abouT the periphery of said combustion chamber, said inlet duct being a single duct extending over all said disks, said exhaust duct being a plurality of exhaust ducts extending within said inlet duct, each exhaust duct being disposed over a centrally disposed first sector of each of said disks, and with the addition of a central stack, said exhaust ducts communicating with said central stack, said means for purging extending into said single inlet duct for each of said disks.
References Cited (Backward Citations)
US3509834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |