Patent US3364982A successfully refreshed from Google Patents.
US3364982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for cooling high temperature gases
Assignee: Honeywell International Inc
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Filing: 1964-11-13
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Granted: 1968-01-23
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Jaffe James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:45
CPC Classifications
F; F28; F28F; F28F21/00; F28F21/02; C; C01; C01B; C01B17/00; C01B17/69; C01B17/74; C01B17/76; C01B17/80; C01B17/806; F28C; F28C3/00; F28C3/06; F28D; F28D3/00; F28D3/02; F28D7/00; F28D7/0066; F28D7/16; F28D21/00; F28D2021/0019; F28D2021/0075; F28F9/00; F28F9/02; F28F2009/0285; F28F2009/0295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD FOR COOLING HIGH TEMPERATURE GASES WHICH COMPRISES PASSING THE GASES DOWNWARDLY THROUGH THE TUBES OF A TUBE SHEET-TYPE HEAT EXCHANGER COMPRISING ONE OR MORE HEAT EXCHANGE TUBES AND A TOP TUBE SHEET, MAINTAINING A LAYER OF A FIRST COOLING MEDIUM ON THE TOP TUBE SHEET, CIRCULATING THE FIRST COOLING MEDIUM FROM SAID LAYER AS A FALLING FILM ALONG THE INNER PERIPHERAL SURFACES OF THE HEAT EXCHANGE TUBES, IN CONCURRENT FLOW WITH THE GASES AND SUBJECTING THE OUTER PERIPHERAL SURFACES OF THE HEAT EXCHANGE TUBES TO HEAT EXCHANGE WITH A SECOND COOLING MEDIUM.
Claim 2
Independent Claim
94 words
A METHOD FOR COOLING HIGH TEMPERATURE GASES WHICH COMPRISES PASSING THE GASES DOWNWARDLY THROUGH THE TUBES OF A TUBE SHEET-TYPE HEAT EXCHANGER COMPRISING ONE OR MORE HEAT EXCHANGE TUBES AND A TOP TUBE SHEET, MAINTAINING A LAYER OF A FIRST COOLING MEDIUM ON THE TOP TUBE SHEET, CIRCULATING THE FIRST COOLING MEDIUM FROM SAID LAYER AS A FALLING FILM ALONG THE INNER PERIPHERAL SURFACES OF THE HEAT EXCHANGE TUBES, IN CONCURRENT FLOW WITH THE GASES AND SUBJECTING THE OUTER PERIPHERAL SURFACES OF THE HEAT EXCHANGE TUBES TO HEAT EXCHANGE WITH A SECOND COOLING MEDIUM.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |