US3232335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary regenerative preheater
Assignee: Svenska Rotor Maskiner AB
•
Filing: 1962-03-21
•
Granted: 1966-02-01
•
Expires: 1982-03-21
Abstract
No abstract record available.
Inventors
- 👤 Kalbfleisch Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:51
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/047; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/02; Y10S165/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN A ROTARY REGENERATIVE HEAT EXCHANGER OF THE TYPE HAVING A HEAT RETAINING MASS TRAVERSED IN COUNTER-FLOW BY HEAT EMITTING AND HEAT ABSORBING MEDIA, SAID MASS BEING SUPPORTED BY A CYLINDRICAL MEMBER SEPARATED INTO SECTOR COMPARTMENTS, AND SPACED INLET AND OUTLET MEANS FOR SAID MEDIA, SAID CYLINDRICAL MEMBER AND SAID INLET AND OUTLET MEANS BEING PROVIDED FOR A RELATIVE ROTATION THEREBETWEEN, THE INLET AND OUTLET MEANS BEING SEPARATED BY SECTOR SHAPED PLATES LOCATED IN SEALING RELATION WITH RESPECT TO THE RESPECTIVE AXIAL ENDS OF SAID CYLINDRICAL MEMBER AND EACH COVERING A CERTAIN NUMBER OF SAID SECTOR COMPARTMENTS, SAID SECTOR PLATES BEING MOVABLE IN SPACED RELATION TO COOPERATING PORTIONS OF SAID CYLINDRICAL MEMBER, MEANS FOR SENSING THE GAP BETWEEN EACH OF SAID SECTOR PLATES AND THE COOPERATING MEMBER OF SAID CYLINDRICAL PORTION, POWER AMPLIFYING MEANS OPERATIVELY ASSOCIATED WITH SAID SENSING MEANS, AND MEANS CONNECTED TO SAID POWER AMPLIFYING MEANS AND RESPECTIVELY TO SAID SECTOR PLATES FOR ADJUSTING SAID GAP TO A PREDETERMINED SIZE IN RESPONSE TO SAID SENSING MEANS.
Claim 2
Dependent Claim
168 words
IN A ROTARY REGENERATIVE HEAT EXCHANGER OF THE TYPE HAVING A HEAT RETAINING MASS TRAVERSED IN COUNTER-FLOW BY HEAT EMITTING AND HEAT ABSORBING MEDIA, SAID MASS BEING SUPPORTED BY A CYLINDRICAL MEMBER SEPARATED INTO SECTOR COMPARTMENTS, AND SPACED INLET AND OUTLET MEANS FOR SAID MEDIA, SAID CYLINDRICAL MEMBER AND SAID INLET AND OUTLET MEANS BEING PROVIDED FOR A RELATIVE ROTATION THEREBETWEEN, THE INLET AND OUTLET MEANS BEING SEPARATED BY SECTOR SHAPED PLATES LOCATED IN SEALING RELATION WITH RESPECT TO THE RESPECTIVE AXIAL ENDS OF SAID CYLINDRICAL MEMBER AND EACH COVERING A CERTAIN NUMBER OF SAID SECTOR COMPARTMENTS, SAID SECTOR PLATES BEING MOVABLE IN SPACED RELATION TO COOPERATING PORTIONS OF SAID CYLINDRICAL MEMBER, MEANS FOR SENSING THE GAP BETWEEN EACH OF SAID SECTOR PLATES AND THE COOPERATING MEMBER OF SAID CYLINDRICAL PORTION, POWER AMPLIFYING MEANS OPERATIVELY ASSOCIATED WITH SAID SENSING MEANS, AND MEANS CONNECTED TO SAID POWER AMPLIFYING MEANS AND RESPECTIVELY TO SAID SECTOR PLATES FOR ADJUSTING SAID GAP TO A PREDETERMINED SIZE IN RESPONSE TO SAID SENSING MEANS.
References Cited (Backward Citations)
US2503720A
Cited
US2557075A
Cited
US2579211A
Cited
US2678193A
Cited
US2747843A
Cited
US2856238A
Cited
US2945681A
Cited
US3122200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |