US3095036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal actuated radial seal for rotary regenerative heat exchanger
Assignee: Combustion Engineering Inc
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Filing: 1960-04-01
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Granted: 1963-06-25
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Teufel John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:17
CPC Classifications
F; F23; F23L; F23L15/00; F23L15/02; F28; F28D; F28D19/00; F28D19/04; F28D19/047; Y; Y02; Y02E; Y02E20/00; Y02E20/34; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A REGENERATIVE AIR PREHEATER HAVING A ROTOR INCLUDING A CYLINDRICAL ROTOR SHELL AND A CENTRAL ROTOR POST, RADIAL PARTITIONS EXTENDING BETWEEN THE ROTOR POST AND ROTOR SHELL TO FORM A SERIES OF SECTORIAL COMPARTMENTS THEREBETWEEN, A MASS OF HEAT TRANSFER MATERIAL CARRIED BY EACH COMPARTMENT OF THE ROTOR, A CYLINDRICAL HOUSING SURROUNDING THE ROTOR, END PLATES AT OPPOSITE ENDS OF THE ROTOR HOUSING SPACED FROM ADJACENT ENDS OF THE ROTOR AND PROVIDED WITH IMPERFORATE PORTIONS BETWEEN CIRCUMFERENTIALLY SPACED APERTURES THAT DIRECT A FLOW OF HEATING GAS AND AIR TO AND THROUGH THE REGENERATIVE HEAT TRANSFER MATERIAL CARRIED BY THE COMPARTMENTS OF THE ROTOR, RADIAL SEALING MEANS BRIDGING THE SPACE BETWEEN AN END EDGE OF EACH RADIAL
Claim 2
Dependent Claim
116 words
A REGENERATIVE AIR PREHEATER HAVING A ROTOR INCLUDING A CYLINDRICAL ROTOR SHELL AND A CENTRAL ROTOR POST, RADIAL PARTITIONS EXTENDING BETWEEN THE ROTOR POST AND ROTOR SHELL TO FORM A SERIES OF SECTORIAL COMPARTMENTS THEREBETWEEN, A MASS OF HEAT TRANSFER MATERIAL CARRIED BY EACH COMPARTMENT OF THE ROTOR, A CYLINDRICAL HOUSING SURROUNDING THE ROTOR, END PLATES AT OPPOSITE ENDS OF THE ROTOR HOUSING SPACED FROM ADJACENT ENDS OF THE ROTOR AND PROVIDED WITH IMPERFORATE PORTIONS BETWEEN CIRCUMFERENTIALLY SPACED APERTURES THAT DIRECT A FLOW OF HEATING GAS AND AIR TO AND THROUGH THE REGENERATIVE HEAT TRANSFER MATERIAL CARRIED BY THE COMPARTMENTS OF THE ROTOR, RADIAL SEALING MEANS BRIDGING THE SPACE BETWEEN AN END EDGE OF EACH RADIAL
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |