US3209058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature rotor
Assignee: Alstom Power Inc
•
Filing: 1960-08-04
•
Granted: 1965-09-28
•
Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Noel D Hazzard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:46
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/041; F28D19/042; F28D19/044; F28F; F28F21/00; F28F21/04; Y; Y10; Y10S; Y10S165/00; Y10S165/905; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49357
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
THE METHOD OF FORMING A SERIES OF SECTOR SHAPED CERAMIC BLOCKS OF AXIALLY PERFORATE HEAT ABSORBENT ELEMENT INTO A COMPOSITE ROTOR FOR A ROTARY REGENERATIVE HEAT EXCHANGER COMPRISING THE STEPS OF SURROUNDING THE RADIAL SIDES AND ARCUATE OUTER SURFACE OF EACH SECTOR SHAPED BLOCK IN CLOSELY ABUTTING RELATIONSHIP WITH A LAYER OF RESILIENT PACKING, ARRANGING THE SERIES OF ELEMENT BLOCKS RADIALLY IN SPACED RELATION ABOUT A COMMON CENTER TO PROVIDE A SERIES OF RADIAL SPACES BETWEEN ADJACENT ELEMENT BLOCKS AND POURING A CASTABLE CERAMIC MATERIAL INTO THE RADIAL SPACES BETWEEN THE LAYERS OF RESILIENT PACKING THAT SURROUND SPACED ELEMENT BLOCKS AND IN AN ANNULAR BAND EXTENDING AROUND THE ASEMBLED ELEMENT BLOCKS THAT UPON DRYING GRIPS THE RESILIENT PACKING SURROUNDING THE BLOCKS AND BONDS THEM INTO A COMPOSITE CYLINDRICAL ROTOR.
Claim 2
Independent Claim
129 words
THE METHOD OF FORMING A SERIES OF SECTOR SHAPED CERAMIC BLOCKS OF AXIALLY PERFORATE HEAT ABSORBENT ELEMENT INTO A COMPOSITE ROTOR FOR A ROTARY REGENERATIVE HEAT EXCHANGER COMPRISING THE STEPS OF SURROUNDING THE RADIAL SIDES AND ARCUATE OUTER SURFACE OF EACH SECTOR SHAPED BLOCK IN CLOSELY ABUTTING RELATIONSHIP WITH A LAYER OF RESILIENT PACKING, ARRANGING THE SERIES OF ELEMENT BLOCKS RADIALLY IN SPACED RELATION ABOUT A COMMON CENTER TO PROVIDE A SERIES OF RADIAL SPACES BETWEEN ADJACENT ELEMENT BLOCKS AND POURING A CASTABLE CERAMIC MATERIAL INTO THE RADIAL SPACES BETWEEN THE LAYERS OF RESILIENT PACKING THAT SURROUND SPACED ELEMENT BLOCKS AND IN AN ANNULAR BAND EXTENDING AROUND THE ASEMBLED ELEMENT BLOCKS THAT UPON DRYING GRIPS THE RESILIENT PACKING SURROUNDING THE BLOCKS AND BONDS THEM INTO A COMPOSITE CYLINDRICAL ROTOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |