Patent US2619451A successfully refreshed from Google Patents.
US2619451A
Expired / Lapsed
US
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Transfer of heat to fluidized solids bed
Assignee: Standard Oil Development Co
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Filing: 1948-12-28
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Granted: 1952-11-25
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Expires: 1968-12-28
Abstract
No abstract record available.
Inventors
- 👤 Henry J Ogorzaly
- 👤 Walter A Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:07
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; C; C10; C10B; C10B49/00; C10B49/02; C10B49/04; C10B49/08; C10B49/10; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132; B01J2208/00477; B01J2208/00495; B01J2208/00504; B01J2208/0053; Y; Y10; Y10S; Y10S48/00; Y10S48/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF SUPPLYING HEAT TO A DENSE TURBULENT MASS OF FINELY DIVIDED SOLIDS FLUIDIZED BY AN UPWARDLY FLOWING GAS AND SUBJECTED TO A HIGH TEMPERATURE WITHIN THE RANGE OF ABOUT 800* 1700* F. IN A TREATING ZONE, WHICH COMPRISES SUPPLYING A PREMIXED COMBUSTION MIXTURE TO ONE END OF A CONFINED EXTENDED SPACE BOUNDED BY A HEAT TRANSFER SURFACE OF HIGH THERMAL CONDUCTIVITY WHOLLY IMMERSED IN SAID FLUIDIZED MASS, IGNITING SAID COMBUSTION MIXTURE WITHIN SAID SPACE AT A POINT ADJACENT SAID SUPPLY END WHILE IN CONTACT WITH A PORTION OF SAID SURFACE, WHICH IS WHOLLY BOUNDED BY SAID MASS, MAINTAINING
Claim 2
Independent Claim
100 words
THE METHOD OF SUPPLYING HEAT TO A DENSE TURBULENT MASS OF FINELY DIVIDED SOLIDS FLUIDIZED BY AN UPWARDLY FLOWING GAS AND SUBJECTED TO A HIGH TEMPERATURE WITHIN THE RANGE OF ABOUT 800* 1700* F. IN A TREATING ZONE, WHICH COMPRISES SUPPLYING A PREMIXED COMBUSTION MIXTURE TO ONE END OF A CONFINED EXTENDED SPACE BOUNDED BY A HEAT TRANSFER SURFACE OF HIGH THERMAL CONDUCTIVITY WHOLLY IMMERSED IN SAID FLUIDIZED MASS, IGNITING SAID COMBUSTION MIXTURE WITHIN SAID SPACE AT A POINT ADJACENT SAID SUPPLY END WHILE IN CONTACT WITH A PORTION OF SAID SURFACE, WHICH IS WHOLLY BOUNDED BY SAID MASS, MAINTAINING
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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) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |