US3114413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary regenerative heat exchanger
Assignee: Svenska Rotor Maskiner AB
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Filing: 1960-07-08
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Granted: 1963-12-17
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Expires: 1980-07-08
Abstract
No abstract record available.
Inventors
- 👤 Nyberg Ake Lennart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:45
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/041; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/02; Y10S165/021; Y10S165/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
327 words
A ROTARY REGENERATIVE HEAT EXCHANGER COMPRISING A ROTOR, SAID ROTOR INCLUDING A CUP-LIKE SHELL HAVING A CIRCUMFERENTIALLY CONTINUOUS SIDE WALL PORTION AND AN END WALL, THE CUP-LIKE SHELL BEING OPEN AT THE OPPOSITE END, A CIRCUMFERENTIAL CONTINUOUS PARTITION WALL MOUNTED WITHIN SAID SHELL IN RADIALLY SPACED RELATION TO SAID SIDE WALL PORTION OF SAID SHELL AND IN AXIALLY SPACED RELATION TO SAID END WALL PORTION OF SAID SHELL, WHEREBY TO SEPARATE THE INTERIOR OF SAID SHELL INTO AN INNER CORE CHAMBER AND AN OUTER ANNULAR ENVELOPE CHAMBER SURROUNDING SAID CORE CHAMBER AND COMMUNICATING THEREWITH AT THE CLOSED END, HEAT EXCHANGING MATERIAL IN SAID CHAMBERS PROVIDING A MULTIPLICITY OF CHANNELS FOR FLOW OF GASEOUS FLUIDS IN U-SHAPED PATHS OF FLOW THROUGH SAID CHAMBERS FROM OPENINGS AT THE ENDS THEREOF REMOTE FROM SAID END WALL PORTION, AND A STATIONARY PORTION COOPERATING WITH SAID ROTOR AND HAVING DUCT WORK PROVIDING SEPARATE PASSAGES FOR FLOW OF TWO DIFFERENT GASEOUS FLUIDS TO AND FROM THE CHAMBERS OF SAID ROTOR AND SAID PASSAGES HAVING OPENINGS LOCATED TO COOPERATE WITH THE OPEN END OF THE ROTOR, SAID STATIONARY PORTION HAVING INLET AND OUTLET DUCTS FOR A HEAT IMPARTING MEDIUM AND INLET AND OUTLET DUCTS FOR A HEAT ABSORBING MEDIUM, THE INLET DUCT FOR THE HEAT IMPARTING MEDIUM POSITIONED ADJACENT THE INNER CORE CHAMBER TO PROVIDE A PASSAGEWAY FOR THE HEAT IMPARTING MEDIUM FROM THE INLET DUCT THROUGH THE INNER CORE CHAMBER, THE OUTLET DUCT FOR THE HEAT IMPARTING MEDIUM POSITIONED ADJACENT THE OUTER ENVELOPE TO PROVIDE A PASSAGEWAY FOR THE HEAT IMPARTING MEDIUM FROM THE OUTER ENVELOPE THROUGH THE OUTLET DUCT, THE INLET DUCT FOR THE HEAT ABSORBING MEDIUM POSITIONED ADJACENT THE OUTER ENVELOPE TO PROVIDE A PASSAGEWAY FOR THE HEAT ABSORBING MEDIUM FROM THE INLET DUCT THROUGH THE OUTER ENVELOPE, AND THE OUTLET DUCT FOR THE HEAT ABSORBING MEDIUM POSITIONED ADJACENT THE INNER CORE CHAMBER TO PROVIDE A PASSAGEWAY FOR THE HEAT ABSORBING MEDIUM FROM THE INNER CORE CHAMBER THROUGH THE OUTLET DUCT.
Claim 2
Dependent Claim
327 words
A ROTARY REGENERATIVE HEAT EXCHANGER COMPRISING A ROTOR, SAID ROTOR INCLUDING A CUP-LIKE SHELL HAVING A CIRCUMFERENTIALLY CONTINUOUS SIDE WALL PORTION AND AN END WALL, THE CUP-LIKE SHELL BEING OPEN AT THE OPPOSITE END, A CIRCUMFERENTIAL CONTINUOUS PARTITION WALL MOUNTED WITHIN SAID SHELL IN RADIALLY SPACED RELATION TO SAID SIDE WALL PORTION OF SAID SHELL AND IN AXIALLY SPACED RELATION TO SAID END WALL PORTION OF SAID SHELL, WHEREBY TO SEPARATE THE INTERIOR OF SAID SHELL INTO AN INNER CORE CHAMBER AND AN OUTER ANNULAR ENVELOPE CHAMBER SURROUNDING SAID CORE CHAMBER AND COMMUNICATING THEREWITH AT THE CLOSED END, HEAT EXCHANGING MATERIAL IN SAID CHAMBERS PROVIDING A MULTIPLICITY OF CHANNELS FOR FLOW OF GASEOUS FLUIDS IN U-SHAPED PATHS OF FLOW THROUGH SAID CHAMBERS FROM OPENINGS AT THE ENDS THEREOF REMOTE FROM SAID END WALL PORTION, AND A STATIONARY PORTION COOPERATING WITH SAID ROTOR AND HAVING DUCT WORK PROVIDING SEPARATE PASSAGES FOR FLOW OF TWO DIFFERENT GASEOUS FLUIDS TO AND FROM THE CHAMBERS OF SAID ROTOR AND SAID PASSAGES HAVING OPENINGS LOCATED TO COOPERATE WITH THE OPEN END OF THE ROTOR, SAID STATIONARY PORTION HAVING INLET AND OUTLET DUCTS FOR A HEAT IMPARTING MEDIUM AND INLET AND OUTLET DUCTS FOR A HEAT ABSORBING MEDIUM, THE INLET DUCT FOR THE HEAT IMPARTING MEDIUM POSITIONED ADJACENT THE INNER CORE CHAMBER TO PROVIDE A PASSAGEWAY FOR THE HEAT IMPARTING MEDIUM FROM THE INLET DUCT THROUGH THE INNER CORE CHAMBER, THE OUTLET DUCT FOR THE HEAT IMPARTING MEDIUM POSITIONED ADJACENT THE OUTER ENVELOPE TO PROVIDE A PASSAGEWAY FOR THE HEAT IMPARTING MEDIUM FROM THE OUTER ENVELOPE THROUGH THE OUTLET DUCT, THE INLET DUCT FOR THE HEAT ABSORBING MEDIUM POSITIONED ADJACENT THE OUTER ENVELOPE TO PROVIDE A PASSAGEWAY FOR THE HEAT ABSORBING MEDIUM FROM THE INLET DUCT THROUGH THE OUTER ENVELOPE, AND THE OUTLET DUCT FOR THE HEAT ABSORBING MEDIUM POSITIONED ADJACENT THE INNER CORE CHAMBER TO PROVIDE A PASSAGEWAY FOR THE HEAT ABSORBING MEDIUM FROM THE INNER CORE CHAMBER THROUGH THE OUTLET DUCT.
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |