US3274752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for improving the transfer of heat from a hot gaseous fluid
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1963-01-28
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Granted: 1966-09-27
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Huyghe Jean
- 👤 Mondin Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:01
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/22; F28F13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PROCESS FOR IMPROVING THE TRNSFER OF HEAT FROM A HOT GASEOUS FLUID FLOWING THROUGH A TUBULAR HEAT EXCHANGER TO A COOLING FLUID SURROUNDING SAID TUBULAR HEAT EXCHANGER, COMPRISING: FLOWING A STREAM OF SAID HOT GASEOUS FLUID THROUGH SAID TUBULAR HEAT EXCHANGER; INTRODUCING DROPLETS OF AN AUXILIARY LIQUID, WHICH WILL OT VAPORIZE AT THE TENPERATURE OF SAID HOT GASEOUS FLUID, INTO SAID STREAM OF HOT GASEOUS FLUID ADJACENT THE INLET END OF SAID TUBULAR HEAT EXCHANGER, SAID DROPLETS MIXING WITH SAID STREAM OF HOT GASEOUS FLUID AND FORMING A FILM OF SAID AUXILIARY LIQUID ON THE INTERNAL WALL OF SAID TUBULAR HEAT EXCHANGER; CIRCULATING SAID COOLING FLUID IN CONTACT WITH THE EXTERNAL WALL OF SAID TUBULAR HEAT EXCHANGER FOR COOLING SAID HOT GASEOUS FLUID AND SAID FILM OF AUXILIARY LIQUID; AND SEPARATING SAID GASEOUS FLUID FROM SAID AUXILIARY LIQUID AT THE OUTLET FROM SAID TUBULAR HEAT EXCHANGER.
Claim 2
Dependent Claim
147 words
A PROCESS FOR IMPROVING THE TRNSFER OF HEAT FROM A HOT GASEOUS FLUID FLOWING THROUGH A TUBULAR HEAT EXCHANGER TO A COOLING FLUID SURROUNDING SAID TUBULAR HEAT EXCHANGER, COMPRISING: FLOWING A STREAM OF SAID HOT GASEOUS FLUID THROUGH SAID TUBULAR HEAT EXCHANGER; INTRODUCING DROPLETS OF AN AUXILIARY LIQUID, WHICH WILL OT VAPORIZE AT THE TENPERATURE OF SAID HOT GASEOUS FLUID, INTO SAID STREAM OF HOT GASEOUS FLUID ADJACENT THE INLET END OF SAID TUBULAR HEAT EXCHANGER, SAID DROPLETS MIXING WITH SAID STREAM OF HOT GASEOUS FLUID AND FORMING A FILM OF SAID AUXILIARY LIQUID ON THE INTERNAL WALL OF SAID TUBULAR HEAT EXCHANGER; CIRCULATING SAID COOLING FLUID IN CONTACT WITH THE EXTERNAL WALL OF SAID TUBULAR HEAT EXCHANGER FOR COOLING SAID HOT GASEOUS FLUID AND SAID FILM OF AUXILIARY LIQUID; AND SEPARATING SAID GASEOUS FLUID FROM SAID AUXILIARY LIQUID AT THE OUTLET FROM SAID TUBULAR HEAT EXCHANGER.
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US2189173A
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US2280633A
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US2801708A
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US2983229A
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |