US3092180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange apparatus
Assignee: Alfa Laval Holdings Amsterdam AB
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Filing: 1959-09-01
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Granted: 1963-06-04
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Expires: 1979-09-01
Abstract
No abstract record available.
Inventors
- 👤 Dahlgren Sven Alfred Bertil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:59
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/22; B01D1/222; B01D1/223; B04; B04B; B04B1/00; B04B1/04; B04B1/08; B04B5/00; B04B7/00; B04B7/08; B04B7/12; B04B7/14; F; F28; F28D; F28D11/00; F28D11/02; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A HEAT EXCHANGE APPARATUS OF THE CENTRIFUGAL TYPE COMPRISING A STATIONARY HOUSING, A ROTOR MOUNTED IN THE HOUSING FOR ROTATION ABOUT AN AXIS, A NEST OF COAXIAL CONICAL PARTITIONS SECURED IN THE ROTOR FOR ROTATION THEREWITH AND DEFINING A SERIES OF AXIALLY SPACED ROTOR CHANNELS BETWEEN THE PARTITIONS, ALTERNATE ROTOR CHANNELS SERVING FOR FLOW OF A HEAT-RECEIVING MEDIUM WHILE THE OTHER CHANNELS SERVE FOR FLOW OF A HEAT-EMITTING MEDIUM, SAID ALTERNATE CHANNELS EACH HAVING AN INLET LOCATED NEAR THE ROTOR AXIS AND AN OUTLET AT THE PERIPHERAL PORTION OF THE ROTOR, SAID OTHER CHANNELS HAVING OPENINGS LOCATED AT SAID PERIPHERAL PORTION AND FORMING BOTH INLETS AND OUTLETS FOR SAID OTHER CHANNELS, THE HOUSING HAVING AN INLET FOR ADMITTING SAID HEAT-EMITTING MEDIUM INTO SAID OTHER CHANNELS BY WAY OF SAID PERIPHERAL OPENINGS, MEANS FOR FEEDING THE HEAT-RECEIVING MEDIUM TO SAID INLETS OF SAID ALTERNATE CHANNELS, AND MEANS FOR DISCHARGING FROM THE HOUSING THE
Claim 2
Dependent Claim
152 words
A HEAT EXCHANGE APPARATUS OF THE CENTRIFUGAL TYPE COMPRISING A STATIONARY HOUSING, A ROTOR MOUNTED IN THE HOUSING FOR ROTATION ABOUT AN AXIS, A NEST OF COAXIAL CONICAL PARTITIONS SECURED IN THE ROTOR FOR ROTATION THEREWITH AND DEFINING A SERIES OF AXIALLY SPACED ROTOR CHANNELS BETWEEN THE PARTITIONS, ALTERNATE ROTOR CHANNELS SERVING FOR FLOW OF A HEAT-RECEIVING MEDIUM WHILE THE OTHER CHANNELS SERVE FOR FLOW OF A HEAT-EMITTING MEDIUM, SAID ALTERNATE CHANNELS EACH HAVING AN INLET LOCATED NEAR THE ROTOR AXIS AND AN OUTLET AT THE PERIPHERAL PORTION OF THE ROTOR, SAID OTHER CHANNELS HAVING OPENINGS LOCATED AT SAID PERIPHERAL PORTION AND FORMING BOTH INLETS AND OUTLETS FOR SAID OTHER CHANNELS, THE HOUSING HAVING AN INLET FOR ADMITTING SAID HEAT-EMITTING MEDIUM INTO SAID OTHER CHANNELS BY WAY OF SAID PERIPHERAL OPENINGS, MEANS FOR FEEDING THE HEAT-RECEIVING MEDIUM TO SAID INLETS OF SAID ALTERNATE CHANNELS, AND MEANS FOR DISCHARGING FROM THE HOUSING THE
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |