Patent US3146131A successfully refreshed from Google Patents.
US3146131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Appliance for production of direct electric current
Assignee: Gas Technology Institute
•
Filing: 1961-03-20
•
Granted: 1964-08-25
•
Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Henry R Linden
- 👤 Jr Eugene B Shultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:38
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/04; H01M8/04007; H01M8/04014; H01M8/04022; H01M8/02; H01M8/0202; H01M8/0258; H01M8/0263; H01M8/06; H01M8/0606; H01M8/0612; H01M8/0625; H01M8/24; H01M8/241; H01M8/244; H01M8/2465; H01M8/247; H01M8/2484; H01M8/14; H01M2008/147; H01M2300/00; H01M2300/0017; H01M2300/0048; H01M2300/0051; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A COMPACT UNITARY APPLIANCE FOR GENERATING ELECTRICITY FROM A SOURCE OF HYDROCARBON FUEL GAS OUTSIDE THE APPLIANCE WHICH COMPRISES A FURNACE, A GAS BURNER FOR HEATING THE INTERIOR OF THE FURNANCE, A BATTERY OF INTERCONNECTED FUEL CELLS MOUNTED WITHIN SAID FURNACE FOR CONVERTING SAID GAS DIRECTLY TO ELECTRICITY BY ELECTROCHEMICAL OXIDATION, GAS CONDUIT MEANS CONNECTING SAID GAS SOURCE TO SAID FUEL CELLS, AN OXYGEN CONDUIT WITHIN SAID FURNACE AND EXTENDING OUTSIDE THE FURNACE FOR CONNECTING A SOURCE OF OXYGEN TO SAID FUEL CELLS, A WATER CONDUIT WITHIN SAID FURNACE FOR CONDUCTING WATER THERETO, HEAT EXCHANGER MEANS TO CONVERT THE WATER IN SAID WATER CONDUIT TO STEAM, MEANS WITHIN SAID FURNACE FOR CONNECTING SAID WATER CONDUIT TO SAID GAS CONDUIT MEANS INTERMEDIATE SAID GAS SOURCE AND SAID FUEL CELLS TO MIX STEAM WITH SAID GAS, SUPPLY LINE MEANS FOR CONDUCTING FUEL TO SAID BURNER, FIRST VALVE MEANS IN SAID SUPPLY LINE MEANS FOR REGULATING THE SUPPLY OF FUEL TO SAID GAS BURNER, THERMAL CONTROL
Claim 2
Dependent Claim
163 words
A COMPACT UNITARY APPLIANCE FOR GENERATING ELECTRICITY FROM A SOURCE OF HYDROCARBON FUEL GAS OUTSIDE THE APPLIANCE WHICH COMPRISES A FURNACE, A GAS BURNER FOR HEATING THE INTERIOR OF THE FURNANCE, A BATTERY OF INTERCONNECTED FUEL CELLS MOUNTED WITHIN SAID FURNACE FOR CONVERTING SAID GAS DIRECTLY TO ELECTRICITY BY ELECTROCHEMICAL OXIDATION, GAS CONDUIT MEANS CONNECTING SAID GAS SOURCE TO SAID FUEL CELLS, AN OXYGEN CONDUIT WITHIN SAID FURNACE AND EXTENDING OUTSIDE THE FURNACE FOR CONNECTING A SOURCE OF OXYGEN TO SAID FUEL CELLS, A WATER CONDUIT WITHIN SAID FURNACE FOR CONDUCTING WATER THERETO, HEAT EXCHANGER MEANS TO CONVERT THE WATER IN SAID WATER CONDUIT TO STEAM, MEANS WITHIN SAID FURNACE FOR CONNECTING SAID WATER CONDUIT TO SAID GAS CONDUIT MEANS INTERMEDIATE SAID GAS SOURCE AND SAID FUEL CELLS TO MIX STEAM WITH SAID GAS, SUPPLY LINE MEANS FOR CONDUCTING FUEL TO SAID BURNER, FIRST VALVE MEANS IN SAID SUPPLY LINE MEANS FOR REGULATING THE SUPPLY OF FUEL TO SAID GAS BURNER, THERMAL CONTROL
References Cited (Backward Citations)
US2581651A
Cited
US2581650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |