Patent US3150657A successfully refreshed from Google Patents.
US3150657A
Expired / Lapsed
US
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Heating furnace
Assignee: Gas Technology Institute
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Filing: 1963-04-08
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Granted: 1964-09-29
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Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Eugene B Shultz
- 👤 Henry R Linden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:05
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2064; F24H9/2085; F24H15/00; F24H15/20; F24H15/25; F24H15/254; F24H15/30; F24H15/305; F24H15/31; F24H15/345; F24H3/00; F24H3/02; F24H3/06; F24H3/065; F24H9/0052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A HEATING FURNACE COMPRISING A COMBUSTION CHAMBER HAVING A FLUE CONNECTION FOR COMBUSTION GAS, A GASEOUS FUEL BURNER IN THE CHAMBER, A GAS SUPPLY CONNECTION FROM THE BURNER TO A SOURCE OF GASEOUS FUEL, A FIRST CONTROL VALVE IN SAID CONNECTION, A GAS REFORMER IN THE COMBUSTION CHAMBER, A CONNECTION FROM THE REFORMER TO SAID SOURCE OF GASEOUS FUEL, A CONNECTION FROM THE REFORMER TO A SOURCE OF WATER VAPOR, A FUEL CELL IN THE COMBUSTION CHAMBER, A CONNECTION FROM THE REFORMER TO THE FUEL CELL TO SUPPLY REFORMED GAS THERETO, AN AUXILIARY BURNER IN THE COMBUSTION CHAMBER, A CONNECTION FROM THE FUEL CELL TO THE AUXILIARY BURNER TO CONDUCT GAS THERETO FROM THE FUEL CELL, MEANS TO CIRCULATE A HEAT TRANSFER MEDIUM THROUGH THE FURNACE IN HEAT EXCHANGING RELATIONSHIP WITH THE COMBUSTION CHAMBER, AN ELECTRIC MOTOR CONNECTED TO THE CIRCULATING MEANS TO DRIVE IT, ELECTRICAL CONNECTIONS FROM THE FUEL CELL TO THE MOTOR, AND A SWITCH IN THE ELECTRICAL CONNECTIONS RESPONSIVE TO THE TEMPERATURE OF THE HEAT TRANSFER MEDIUM IN THE FURNACE.
Claim 2
Dependent Claim
173 words
A HEATING FURNACE COMPRISING A COMBUSTION CHAMBER HAVING A FLUE CONNECTION FOR COMBUSTION GAS, A GASEOUS FUEL BURNER IN THE CHAMBER, A GAS SUPPLY CONNECTION FROM THE BURNER TO A SOURCE OF GASEOUS FUEL, A FIRST CONTROL VALVE IN SAID CONNECTION, A GAS REFORMER IN THE COMBUSTION CHAMBER, A CONNECTION FROM THE REFORMER TO SAID SOURCE OF GASEOUS FUEL, A CONNECTION FROM THE REFORMER TO A SOURCE OF WATER VAPOR, A FUEL CELL IN THE COMBUSTION CHAMBER, A CONNECTION FROM THE REFORMER TO THE FUEL CELL TO SUPPLY REFORMED GAS THERETO, AN AUXILIARY BURNER IN THE COMBUSTION CHAMBER, A CONNECTION FROM THE FUEL CELL TO THE AUXILIARY BURNER TO CONDUCT GAS THERETO FROM THE FUEL CELL, MEANS TO CIRCULATE A HEAT TRANSFER MEDIUM THROUGH THE FURNACE IN HEAT EXCHANGING RELATIONSHIP WITH THE COMBUSTION CHAMBER, AN ELECTRIC MOTOR CONNECTED TO THE CIRCULATING MEANS TO DRIVE IT, ELECTRICAL CONNECTIONS FROM THE FUEL CELL TO THE MOTOR, AND A SWITCH IN THE ELECTRICAL CONNECTIONS RESPONSIVE TO THE TEMPERATURE OF THE HEAT TRANSFER MEDIUM IN THE FURNACE.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |