Patent US3868927A successfully refreshed from Google Patents.
US3868927A
Expired / Lapsed
US
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Combustion chamber
Assignee: Kraftwerk Union AG
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Filing: 1973-10-15
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Granted: 1975-03-04
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Expires: 1993-10-15
Abstract
Abstract The combustion chamber of a steam generator is provided with a double partition which, like the walls of the combustion chamber per se, is formed of tubes disposed horizontally or with a slight inclination, which are incorpoarted into the coil winding of the combustion chamber walls.
Inventors
- 👤 Georg Losel
- 👤 Leonhard Eickenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:42
CPC Classifications
F; F22; F22B; F22B29/00; F22B29/06; F22B29/061; F22B29/065; F22B37/00; F22B37/02; F22B37/40
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
70 words
A combustion chamber of a steam generator comprising combustion chamber walls, said walls being formed of tubes disposed substantially horizontally, a partition subdividing the combustion chamber and comprising two adjacent walls, said adjacent walls being each formed of tubes disposed in a manner similar to the tubes of the combustion chamber walls, each end of each tube of said partition being connected to a tube of the combustion chamber walls.
Claim 2
Dependent Claim
70 words
A combustion chamber of a steam generator comprising combustion chamber walls, said walls being formed of tubes disposed substantially horizontally, a partition subdividing the combustion chamber and comprising two adjacent walls, said adjacent walls being each formed of tubes disposed in a manner similar to the tubes of the combustion chamber walls, each end of each tube of said partition being connected to a tube of the combustion chamber walls.
Claim 3
Dependent Claim
41 words
A combustion chamber according to claim 1, wherein the combustion chamber walls have a reinforcing structure comprising horizontally extending beams, the tube walls of said partition being connected to said beams so as to provide simultaneously a support for said beams.
Claim 4
Dependent Claim
46 words
A combustion chamber according to claim 1, including at least one cross-over location for the tubes of both of the tube walls of said partition so that each tube of said partition mutually connects tubes of the combustion chamber located on opposite sides of said partition.
Claim 5
Dependent Claim
40 words
In a combustion chamber according to claim 1, wherein the tubes of one of the tube walls of the partition are connected to the combustion chamber walls that are adjacent to the other of the tube walls of the partition.
Claim 6
Dependent Claim
24 words
A combustion chamber according to claim 1 wherein said tubes forming said combustion chamber walls are disposed at a slight inclination to the horizontal.
References Cited (Backward Citations)
US3173405A
Cited
US3376859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |