US3246961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst carrier with back purge
Assignee: Alstom Power Inc
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Filing: 1963-08-21
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Granted: 1966-04-19
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Expires: 1983-08-21
Abstract
No abstract record available.
Inventors
- 👤 Karisson Per Hilmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D53/0431; B01D53/06; B01J; B01J8/00; B01J8/02; B01J8/04; B01J8/0403; F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; B01D2259/00; B01D2259/40; B01D2259/40083; B01D2259/40086; F01N2260/00; F01N2260/04; F01N2290/00; F01N2290/02; F01N2290/06; F01N2330/00; F01N2330/08; F01N2450/00; F01N2450/04; F01N3/2892
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
APPARATUS FOR CATALYSTIC CONVERSION HAVING A CYLINDRICAL SHELL, RADICAL PARTITIONS ARRANGED TO DIVIDE THE SHELL INTO A SERIES OF SECTORIAL COMPARTMENTS, MEANS AT OPPOSITE ENDS OF THE SHELL ARRANGED TO PROVIDE INLET AND OUTLET DUCTS FOR A REACTION FLUID AND A PURGING FLUID, AXIALLY EXTENDING ELEMENT CELLS HAVING RADIALLY SPACED SIDES OF FORAMINOUS MATERIAL DISPOSED IN THE SECTORIAL COMPARTMENTS IN RADIALLY SPACED RELATION TO PROVIDE AXIAL PASSAGES INTERMEDIATE THE SPACE CELLS, BAFFLE MEMBERS IN SAID PASSAGES EXTENDING DIAGONALLY BETWEEN OPPOSITE ENDS OF RADIALLY SPACED CELLS TO DIRECT FLUID MATERIAL TO AND FROM THE CELLS, MEANS PLACING SPACED ELEMENT CELLS ALTERNATELY IN CONTACT WITH THE REACTION FLUID AND THE PURGING FLUID, A MASS OF DISCRETE CATALYTIC MATERIAL CARRIED IN EACH CELL OF THE ROTOR, AND MEANS LYING IN THE INLET AND OUTLET DUCTS FOR THE PURGING FLUID AT OPPOSITE ENDS OF SAID APPARATUS FOR SUPPLYING THE CATALYTIC MATERIAL TO AND FOR REMOVING IT FROM SAID ELEMENT CELLS.
Claim 2
Dependent Claim
156 words
APPARATUS FOR CATALYSTIC CONVERSION HAVING A CYLINDRICAL SHELL, RADICAL PARTITIONS ARRANGED TO DIVIDE THE SHELL INTO A SERIES OF SECTORIAL COMPARTMENTS, MEANS AT OPPOSITE ENDS OF THE SHELL ARRANGED TO PROVIDE INLET AND OUTLET DUCTS FOR A REACTION FLUID AND A PURGING FLUID, AXIALLY EXTENDING ELEMENT CELLS HAVING RADIALLY SPACED SIDES OF FORAMINOUS MATERIAL DISPOSED IN THE SECTORIAL COMPARTMENTS IN RADIALLY SPACED RELATION TO PROVIDE AXIAL PASSAGES INTERMEDIATE THE SPACE CELLS, BAFFLE MEMBERS IN SAID PASSAGES EXTENDING DIAGONALLY BETWEEN OPPOSITE ENDS OF RADIALLY SPACED CELLS TO DIRECT FLUID MATERIAL TO AND FROM THE CELLS, MEANS PLACING SPACED ELEMENT CELLS ALTERNATELY IN CONTACT WITH THE REACTION FLUID AND THE PURGING FLUID, A MASS OF DISCRETE CATALYTIC MATERIAL CARRIED IN EACH CELL OF THE ROTOR, AND MEANS LYING IN THE INLET AND OUTLET DUCTS FOR THE PURGING FLUID AT OPPOSITE ENDS OF SAID APPARATUS FOR SUPPLYING THE CATALYTIC MATERIAL TO AND FOR REMOVING IT FROM SAID ELEMENT CELLS.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |