Patent US4218780A successfully refreshed from Google Patents.
US3087797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative furnace
Assignee: Lummus Technology LLC
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Filing: 1961-04-24
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Granted: 1963-04-30
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Marcel J P Bogart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:20
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/24; B01J19/2415; B01J19/2425; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/0015; B01J2219/00155; B01J2219/00157; B01J2219/00159
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
362 words
APPARATUS FOR CARRYING OUT THE THERMAL CONVERSION OF REACTIVE GASES COMPRISING: FIRST AND SECOND ELONGATED REGENERATIVE MASSES, EACH HAVING GAS CONDUITS DISPOSED PARALLEL TO THE LONG AXES OF SAID MASSES LENGTHWISE THERETHROUGH, POSITIONED WITH ONE END OF THE FIRST MASS ADJACENT TO ONE END OF THE SECOND MASS WITH THE AXES OF SAID MASSES IN NON-LINEAR RELATIONSHIP; A WALLED COMBUSTION CHAMBER IN FLOW COMMUNICATION WITH THE CONDUITS OF THE MASSES AT THE ADJACENT ENDS OF THE MASSES; MEANS FOR SUPPLYING COMBUSTION SUPPORTING GAS TO THE CONDUITS OF THE FIRST MASS AT THE END OPPOSITE THE COMBUSTION CHAMBER DURING A HEATING CYCLE; MEANS FOR SUPPLYING REACTIVE GAS TO THE CONDUITS OF THE SECOND MASS AT THE END OPPOSITE THE COMBUSTION CHAMBER DURING A CONVERSION CYCLE; MEANS FOR WITHDRAWING COMBUSTION PRODUCTS FROM THE CONDUITS OF SAID SECOND MASS AT THE END OPPOSITE SAID COMBUSTION CHAMBER DURING SAID HEATING CYCLE; MEANS FOR WITHDRAWING THERMALLY CONVERTED REACTION PRODUCTS FROM THE CONDUITS OF SAID FIRST MASS AT THE END OPPOSITE SAID COMBUSTION CHAMBER DURING SAID CONVERSION CYCLE; A PLURALITY OF STRAIGHT BURNERS DISPOSED PARALLEL TO EACH OTHER AND OPENING INTO SAID COMBUSTION CHAMBER OPPOSITE SAID ADJACENT END OF SAID FIRST MASS, THE EXTENDED AXIS OF AT LEAST ONE BURNER AND AT LEAST ONE CONDUIT OF SAID FIRST MASS BEING IN SUBSTANTIALLY CO-AXIAL ALIGNMENT, SAID PLURALITY OF BURNERS BEING PROVIDED WITH MEANS FOR SUPPLYING FUEL TO SAID BURNERS DURING SAID HEATING CYCLE; A FIRST BAFFLE HAVING UNIFORMLY SPACED PERFORATIONS COINCIDING WITH THE EXTENDED AXES OF SAID BURNERS AND SAID GAS CONDUITS DISPOSED WITHIN SAID COMBUSTION CHAMBER BETWEEN AND SPACED FROM SAID BURNERS AND SAID FIRST MASS AND ACROSS THE END OF SAID FIRST MASS; A SECOND BAFFLE HAVING UNIFORMLY SPACED PERFORATIONS COINCIDING WITH THE EXTENDED AXES OF THE CONDUITS OF SAID SECOND MASS DISPOSED WITHIN SAID COMBUSTION CHAMBER ACROSS THE END OF AND SPACED FROM SAID SECOND MASS; AND AN INTERMEDIATE MIXING BAFFLE DISPOSED WITHIN SAID COMBUSTION CHAMBER DIVIDING SAID COMBUSTION CHAMBER INTO A FIRST PORTION ADJACENT SAID FIRST MASS, BURNERS OPPOSITE SAID FIRST MASS AND BAFFLE THEREBETWEEN ON THE ONE HAND AND A SECOND PORTION ADJACENT SAID SECOND MASS AND SAID SECOND BAFFLE ON THE OTHER HAND.
Claim 2
Dependent Claim
362 words
APPARATUS FOR CARRYING OUT THE THERMAL CONVERSION OF REACTIVE GASES COMPRISING: FIRST AND SECOND ELONGATED REGENERATIVE MASSES, EACH HAVING GAS CONDUITS DISPOSED PARALLEL TO THE LONG AXES OF SAID MASSES LENGTHWISE THERETHROUGH, POSITIONED WITH ONE END OF THE FIRST MASS ADJACENT TO ONE END OF THE SECOND MASS WITH THE AXES OF SAID MASSES IN NON-LINEAR RELATIONSHIP; A WALLED COMBUSTION CHAMBER IN FLOW COMMUNICATION WITH THE CONDUITS OF THE MASSES AT THE ADJACENT ENDS OF THE MASSES; MEANS FOR SUPPLYING COMBUSTION SUPPORTING GAS TO THE CONDUITS OF THE FIRST MASS AT THE END OPPOSITE THE COMBUSTION CHAMBER DURING A HEATING CYCLE; MEANS FOR SUPPLYING REACTIVE GAS TO THE CONDUITS OF THE SECOND MASS AT THE END OPPOSITE THE COMBUSTION CHAMBER DURING A CONVERSION CYCLE; MEANS FOR WITHDRAWING COMBUSTION PRODUCTS FROM THE CONDUITS OF SAID SECOND MASS AT THE END OPPOSITE SAID COMBUSTION CHAMBER DURING SAID HEATING CYCLE; MEANS FOR WITHDRAWING THERMALLY CONVERTED REACTION PRODUCTS FROM THE CONDUITS OF SAID FIRST MASS AT THE END OPPOSITE SAID COMBUSTION CHAMBER DURING SAID CONVERSION CYCLE; A PLURALITY OF STRAIGHT BURNERS DISPOSED PARALLEL TO EACH OTHER AND OPENING INTO SAID COMBUSTION CHAMBER OPPOSITE SAID ADJACENT END OF SAID FIRST MASS, THE EXTENDED AXIS OF AT LEAST ONE BURNER AND AT LEAST ONE CONDUIT OF SAID FIRST MASS BEING IN SUBSTANTIALLY CO-AXIAL ALIGNMENT, SAID PLURALITY OF BURNERS BEING PROVIDED WITH MEANS FOR SUPPLYING FUEL TO SAID BURNERS DURING SAID HEATING CYCLE; A FIRST BAFFLE HAVING UNIFORMLY SPACED PERFORATIONS COINCIDING WITH THE EXTENDED AXES OF SAID BURNERS AND SAID GAS CONDUITS DISPOSED WITHIN SAID COMBUSTION CHAMBER BETWEEN AND SPACED FROM SAID BURNERS AND SAID FIRST MASS AND ACROSS THE END OF SAID FIRST MASS; A SECOND BAFFLE HAVING UNIFORMLY SPACED PERFORATIONS COINCIDING WITH THE EXTENDED AXES OF THE CONDUITS OF SAID SECOND MASS DISPOSED WITHIN SAID COMBUSTION CHAMBER ACROSS THE END OF AND SPACED FROM SAID SECOND MASS; AND AN INTERMEDIATE MIXING BAFFLE DISPOSED WITHIN SAID COMBUSTION CHAMBER DIVIDING SAID COMBUSTION CHAMBER INTO A FIRST PORTION ADJACENT SAID FIRST MASS, BURNERS OPPOSITE SAID FIRST MASS AND BAFFLE THEREBETWEEN ON THE ONE HAND AND A SECOND PORTION ADJACENT SAID SECOND MASS AND SAID SECOND BAFFLE ON THE OTHER HAND.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |