Patent US2706109A successfully refreshed from Google Patents.
US2706109A
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US
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Heat transfer elements of ceramic material
Assignee: JARVIS C MARBLE
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Filing: 1951-03-06
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Granted: 1955-04-12
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Expires: 1971-03-06
Abstract
No abstract record available.
Inventors
- 👤 Odman Tor Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:06
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/041; F28D19/042; F28D19/044; F28F; F28F21/00; F28F21/04; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/03; Y10S165/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
HEAT TRANSFER MATERIAL FOR REGENERATIVE HEAT EXCHANGERS COMPRISING ELEMENTS OF CERAMIC MATERIAL ADAPTED TO BE ASSEMBLED WITH THEIR EXTERNAL FACES IN ABUTING RELATION TO FORM HEAT TRANSFER MASSES, EACH OF SAID ELEMENTS HAVING OPPOSITE END FACES AND A PLURALITY OF SIDE FACES CONNECTING SAID END FACES AND A PLURALITY OF PASSAGES EXTENDING FROM ONE TO THE OTHER OF SAID END FACES FOR FLOW OF GASEOUS FLUID THROUGH THE ELEMENT, SAID PASSAGES BEING DISTRIBUTED TO PORVIDE A PLURALITY OF SERIES OF TERMINAL OPENINGS IN EACH OF TWO ANGULARLY RELATED DIRECTIONS IN THE PLANES OF THE RESPECTIVE END FACES, AT LEAST ONE OF SAID END FACES HAVING A PLURALITY OF GROOVES TO PROVIDE LATERAL COMMUNICATION BETWEEN DIFFERENT SERIES OF SAID TERMINAL OPENINGS IN ONE OF SAID DIRECTIONS.
Claim 2
Dependent Claim
125 words
HEAT TRANSFER MATERIAL FOR REGENERATIVE HEAT EXCHANGERS COMPRISING ELEMENTS OF CERAMIC MATERIAL ADAPTED TO BE ASSEMBLED WITH THEIR EXTERNAL FACES IN ABUTING RELATION TO FORM HEAT TRANSFER MASSES, EACH OF SAID ELEMENTS HAVING OPPOSITE END FACES AND A PLURALITY OF SIDE FACES CONNECTING SAID END FACES AND A PLURALITY OF PASSAGES EXTENDING FROM ONE TO THE OTHER OF SAID END FACES FOR FLOW OF GASEOUS FLUID THROUGH THE ELEMENT, SAID PASSAGES BEING DISTRIBUTED TO PORVIDE A PLURALITY OF SERIES OF TERMINAL OPENINGS IN EACH OF TWO ANGULARLY RELATED DIRECTIONS IN THE PLANES OF THE RESPECTIVE END FACES, AT LEAST ONE OF SAID END FACES HAVING A PLURALITY OF GROOVES TO PROVIDE LATERAL COMMUNICATION BETWEEN DIFFERENT SERIES OF SAID TERMINAL OPENINGS IN ONE OF SAID DIRECTIONS.
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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) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |