US3267562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor assembly
Assignee: Alstom Power Inc
•
Filing: 1963-04-29
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Granted: 1966-08-23
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Chiang Louis
- 👤 Casagrande Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:49
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; F; F28; F28D; F28D19/00; F28D19/04; F28D19/041; F28D19/042; F28D19/044; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49357; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF MANUFACTURING A CYLINDRICAL ROTOR FOR A ROTARY REGENERATIVE HEAT EXCHANGER THAT COMPRISES THE STEPS OF FORMING A PLURALITY OF SECTOR SHAPED ROTOR COMPARTMENTS, FORMING A PLURALITY OF SECTOR SHAPED GRID MEMBERS, AND ARRANGING THE ROTOR COMPARTMENTS AND GRID MEMBERS ALTERNATELY ABOUT A CENTRAL ROTOR POST IN LATERAL JUXTAPOSITION AND SECURING THEM THERETO TO PROVIDE A CONTINUOUS SERIES OF SECTORAL COMPARTMENTS WITH RADIAL WALLS THEREBETWEEN EXTENDING OUTWARD FROM THE ROTOR POST.
Claim 2
Independent Claim
73 words
THE METHOD OF MANUFACTURING A CYLINDRICAL ROTOR FOR A ROTARY REGENERATIVE HEAT EXCHANGER THAT COMPRISES THE STEPS OF FORMING A PLURALITY OF SECTOR SHAPED ROTOR COMPARTMENTS, FORMING A PLURALITY OF SECTOR SHAPED GRID MEMBERS, AND ARRANGING THE ROTOR COMPARTMENTS AND GRID MEMBERS ALTERNATELY ABOUT A CENTRAL ROTOR POST IN LATERAL JUXTAPOSITION AND SECURING THEM THERETO TO PROVIDE A CONTINUOUS SERIES OF SECTORAL COMPARTMENTS WITH RADIAL WALLS THEREBETWEEN EXTENDING OUTWARD FROM THE ROTOR POST.
References Cited (Backward Citations)
US1859573A
Cited
GB740506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |