US4650728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-cell power plant
Assignee: Mitsubishi Electric Corp
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Filing: 1986-02-05
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Granted: 1987-03-17
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Expires: 2006-02-05
Abstract
Abstract In a fuel-cell power plant according to this invention, a fuel gas system for supplying a fuel gas to an internal reforming type fuel cell is furnished with a fuel processor, fuel containing hydrocarbon or alcohols as its principal ingredient and supplied externally is partly or wholly passed through the fuel processor, and a fuel gas containing hydrogen and generated in the fuel processor is supplied to the internal reforming type fuel cell.
Inventors
- 👤 Mitsuie Matsumura
- 👤 Tatsunori Okada
- 👤 Yoshihide Gonjo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:02
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/0606; H01M8/0612; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
85 words
A fuel-cell power plant comprising an internal reforming type fuel cell in which chemical reactions and electrochemical reactions are carried out with a fuel gas supplied from a fuel gas system and an oxidizing gas supplied from an oxidizing gas system, and a fuel processor which is supplied with reaction heat and which modifies the fuel gas into a gas containing hydrogen as its principal ingredient, so as to supply the modified gas to a fuel gas system of said internal reforming type fuel cell.
Claim 2
Dependent Claim
85 words
A fuel-cell power plant comprising an internal reforming type fuel cell in which chemical reactions and electrochemical reactions are carried out with a fuel gas supplied from a fuel gas system and an oxidizing gas supplied from an oxidizing gas system, and a fuel processor which is supplied with reaction heat and which modifies the fuel gas into a gas containing hydrogen as its principal ingredient, so as to supply the modified gas to a fuel gas system of said internal reforming type fuel cell.
Claim 3
Dependent Claim
55 words
A fuel-cell power plant according to claim 1, wherein said fuel processor is supplied with part of the fuel gas supplied from outside, and said internal reforming type fuel cell is supplied with the gas containing hydrogen as its principal ingredient as modified by said fuel processor, along with the remainder of the fuel gas.
Claim 4
Dependent Claim
22 words
A fuel-cell power plant according to claim 1 wherein said internal reforming type fuel cell is an internal-reforming molten-carbonate type fuel cell.
Claim 5
Dependent Claim
24 words
A fuel-cell power plant according to claim 1 wherein the fuel gas is a member selected from the group consisting of hydrocarbon and alcohols.
Claim 6
Dependent Claim
39 words
A fuel-cell power plant according to claim 1, wherein the reaction heat which is supplied to said fuel processor is combustion heat of the fuel gas not utilized yet, which is discharged from said internal reforming type fuel cell.
Claim 7
Dependent Claim
44 words
A fuel-cell power plant according to claim 1, wherein the reaction heat which is supplied to said fuel processor is sensible heat of at least one of the fuel gas and the oxidizing gas which are discharged from said internal reforming type fuel cell.
Claim 8
Dependent Claim
44 words
A fuel-cell power plant according to claim 1, wherein said fuel processor is disposed in a fuel gas inlet manifold, or a fuel gas outlet manifold, an oxidizing gas inlet manifold or an oxidizing gas outlet manifold of said internal reforming type fuel cell.
Claim 9
Dependent Claim
22 words
A fuel-cell power plant according to claim 2, wherein said internal reforming type fuel cell is an internal-reforming molten-carbonate type fuel cell.
Claim 10
Dependent Claim
24 words
A fuel-cell power plant according to claim 2, wherein the fuel gas is a member selected from the group consisting of hydrocarbon and alcohols.
Claim 11
Dependent Claim
24 words
A fuel-cell power plant according to claim 3, wherein the fuel gas is a member selected from the group consisting of hydrogen and alcohols.
Claim 12
Dependent Claim
39 words
A fuel-cell power plant according to claim 2, wherein the reaction heat which is supplied to said fuel processor is combustion heat of the fuel gas not utilized yet, which is discharged from said internal reforming type fuel cell.
Claim 13
Dependent Claim
39 words
A fuel-cell power plant according to claim 3, wherein the reaction heat which is supplied to said fuel processor is combustion heat of the fuel gas not utilized yet, which is discharged from said internal reforming type fuel cell.
Claim 14
Dependent Claim
39 words
A fuel-cell power plant according to claim 4, wherein the reaction heat which is supplied to said fuel processor is combustion heat of the fuel gas not utilized yet, which is discharged form said internal reforming type fuel cell.
Claim 15
Dependent Claim
44 words
A fuel-cell power plant according to claim 2, wherein the reaction heat which is supplied to said fuel processor is sensible heat of at least one of the fuel gas and the oxidizing gas which are discharged from said internal reforming type fuel cell.
Claim 16
Dependent Claim
44 words
A fuel-cell power plant according to claim 3, wherein the reaction heat which is supplied to said fuel processor is sensible heat of at least one of the fuel gas and the oxidizing gas which are discharged from said internal reforming type fuel cell.
Claim 17
Dependent Claim
44 words
A fuel-cell power plant according to claim 4, wherein the reaction heat which is supplied to said fuel processor is sensible heat of at least one of the fuel gas and the oxidizing gas which are discharged from said internal reforming type fuel cell.
Claim 18
Dependent Claim
44 words
A fuel-cell power plant according to claim 5, wherein the reaction heat which is supplied to said fuel processor is sensible heat of at least one of the fuel gas and the oxidizing gas which are discharged from said internal reforming type fuel cell.
Claim 19
Dependent Claim
45 words
A fuel-cell power plant according to claim 2, wherein said fuel processor is disposed in a fuel gas inlet manifold, or a fuel gas outlet manifold, or an oxidizing gas inlet manifold or an oxidizing gas outlet manifold of said internal reforming type fuel cell.
Claim 20
Dependent Claim
45 words
A fuel-cell power plant according to claim 3, wherein said fuel processor is disposed in a fuel gas inlet manifold, or a fuel gas outlet manifold, or an oxidizing gas inlet manifold or an oxidizing gas outlet manifold of said internal reforming type fuel cell.
Claim 21
Dependent Claim
45 words
A fuel-cell power plant according to claim 4, wherein said fuel processor is disposed in a fuel gas inlet manifold, or a fuel gas outlet manifold, or an oxidizing gas inlet manifold or an oxidizing gas outlet manifold of said internal reforming type fuel cell.
References Cited (Backward Citations)
US3488226A
Cited
US3615839A
Cited
US4046956A
Cited
US4098960A
Cited
US4182795A
Cited
US4192906A
Cited
US4202933A
Cited
US4310604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-03-16 | 1990-09-15 | 1991-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-03-16 | 1994-09-15 | 1995-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-03-16 | 1998-09-15 | 1999-03-17 | $7700.00 | Window Closed / Lapsed |