US3203462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled burner ring
Assignee: DRAKE BLOCK CO Inc
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Filing: 1962-09-18
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Granted: 1965-08-31
•
Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Eliot C Prowse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
F; F23; F23M; F23M5/00; F23M5/02; F23M5/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN AIR-COOLED BURNER RING ADAPTED TO BE MOUNTED IN A FURNACE WALL AND DEFINING A BURNER THROAT, SAID RING COMPRISING A CIRCULAR SERIES OF ELONGATED BARS SPACED APART TO PROVIDE BETWEEN THAM SUBSTANTIALLY THROUGHOUT THEIR LENGTH A SERIES OF INWARDLY DIRECTED AIR PASSAGES OPEN AT THE OUTER EDGES OF THE BARS FOR THE ENTRANCE OF COOLING AIR AND OPEN AT THE INNE EDGES OF THE BARS OF THE DISCHARGE OF HEATED COOLING AIR INTO THE FLAME AREA OF THE BURNER THROAT, ADJACENT BARS ON THEIR OPPOSING SIDE FACES HAVING A ZIG-ZAG CONFIGURATION WHICH PROVIDES AIR PASSAGES OF CORRESPONDING TORTUOUS FORM IN THE DIRECTION OF LENGTH OF THE BARS, AND MOUNTING MEANS FOR SAID BARS PERMITTING THEIR INDIVIDUAL EXPANSION AND CONTRACTION, SAID BARS BEING FORMED OF A HIGH TEMPERATURE RESISTING MATERIAL AND PRESENTING INNER EDGES WITH INSERTS OF THE SAME MATCHING CONFIGURATION AND OF A STILL HIGHER TEMPERATURE RESISTING MATERIAL AT LEAST IN THE RING AREA SUBJECTED TO THE HIGHEST FLAME TEMPERATURES.
Claim 2
Dependent Claim
161 words
AN AIR-COOLED BURNER RING ADAPTED TO BE MOUNTED IN A FURNACE WALL AND DEFINING A BURNER THROAT, SAID RING COMPRISING A CIRCULAR SERIES OF ELONGATED BARS SPACED APART TO PROVIDE BETWEEN THAM SUBSTANTIALLY THROUGHOUT THEIR LENGTH A SERIES OF INWARDLY DIRECTED AIR PASSAGES OPEN AT THE OUTER EDGES OF THE BARS FOR THE ENTRANCE OF COOLING AIR AND OPEN AT THE INNE EDGES OF THE BARS OF THE DISCHARGE OF HEATED COOLING AIR INTO THE FLAME AREA OF THE BURNER THROAT, ADJACENT BARS ON THEIR OPPOSING SIDE FACES HAVING A ZIG-ZAG CONFIGURATION WHICH PROVIDES AIR PASSAGES OF CORRESPONDING TORTUOUS FORM IN THE DIRECTION OF LENGTH OF THE BARS, AND MOUNTING MEANS FOR SAID BARS PERMITTING THEIR INDIVIDUAL EXPANSION AND CONTRACTION, SAID BARS BEING FORMED OF A HIGH TEMPERATURE RESISTING MATERIAL AND PRESENTING INNER EDGES WITH INSERTS OF THE SAME MATCHING CONFIGURATION AND OF A STILL HIGHER TEMPERATURE RESISTING MATERIAL AT LEAST IN THE RING AREA SUBJECTED TO THE HIGHEST FLAME TEMPERATURES.
References Cited (Backward Citations)
US1532041A
Cited
US1610707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |