Patent US3216486A successfully refreshed from Google Patents.
US3216486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary heat exchanger
Assignee: Alstom Power Inc
•
Filing: 1963-09-19
•
Granted: 1965-11-09
•
Expires: 1983-09-19
Abstract
No abstract record available.
Inventors
- 👤 Irvin G Hall
- 👤 Casagrande Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/048; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A REGENERATIVE HEAT EXCHANGER HAVING A ROTOR COMPRISING A PLURALITY OF INDEPENDENT OPEN ENDED COMPARTMENTS ARRANGED SIDE-BY-SIDE IN AN ENDLESS ASSEMBLY AROUND A VERTICAL AXIS, A MASS OF HEAT ABSORBENT MATERIAL CARRIED BY EACH COMPARTMENT OF THE ROTOR, FIXED SUPPORT MEANS INDEPENDENT FROM THE ROTOR ASSEMBLY SUBJACENT THE BASE THEREOF, ANTI-FRICTION SUPPORT MEANS CARRIED BY EACH COMPARTMENT OF THE ROTOR ADAPTED TO ENGAGE THE FIXED SUPPORT MEANS TO PROVIDE A SUPPORT FOR THE ROTOR, LINKAGE MEANS PIVOTAL ABOUT AN AXIS NORMAL TO THAT OF THE ROTOR CONNECTING EACH COMPARTMENT OF THE ROTOR TO THE COMPARTMENTS ADJACENT THERETO, INLET AND OUTLET DUCTS FOR A HEATING FLUID AND A FLUID TO BE HEATED ARRANGED TO CONFRONT OPPOSITE ENDS OF THE ROTOR, AND MEANS FOR ROTATING THE COMPARTMENTS OF THE ROTOR OVER THEIR FIXED SUPPORT MEANS WHEREBY EACH PART OF THE ROTOR IS ALTERNATELY ALIGNED WITH THE DUCTS FOR THE HEATING FLUID AND THE FLUID TO BE HEATED.
Claim 2
Dependent Claim
155 words
A REGENERATIVE HEAT EXCHANGER HAVING A ROTOR COMPRISING A PLURALITY OF INDEPENDENT OPEN ENDED COMPARTMENTS ARRANGED SIDE-BY-SIDE IN AN ENDLESS ASSEMBLY AROUND A VERTICAL AXIS, A MASS OF HEAT ABSORBENT MATERIAL CARRIED BY EACH COMPARTMENT OF THE ROTOR, FIXED SUPPORT MEANS INDEPENDENT FROM THE ROTOR ASSEMBLY SUBJACENT THE BASE THEREOF, ANTI-FRICTION SUPPORT MEANS CARRIED BY EACH COMPARTMENT OF THE ROTOR ADAPTED TO ENGAGE THE FIXED SUPPORT MEANS TO PROVIDE A SUPPORT FOR THE ROTOR, LINKAGE MEANS PIVOTAL ABOUT AN AXIS NORMAL TO THAT OF THE ROTOR CONNECTING EACH COMPARTMENT OF THE ROTOR TO THE COMPARTMENTS ADJACENT THERETO, INLET AND OUTLET DUCTS FOR A HEATING FLUID AND A FLUID TO BE HEATED ARRANGED TO CONFRONT OPPOSITE ENDS OF THE ROTOR, AND MEANS FOR ROTATING THE COMPARTMENTS OF THE ROTOR OVER THEIR FIXED SUPPORT MEANS WHEREBY EACH PART OF THE ROTOR IS ALTERNATELY ALIGNED WITH THE DUCTS FOR THE HEATING FLUID AND THE FLUID TO BE HEATED.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |