US3384154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchange system
Assignee: Union Carbide Corp
•
Filing: 1964-05-12
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Granted: 1968-05-21
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Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
F; F28; F28F; F28F13/00; F28F13/18; F28F13/185; F28F13/187; B; B01; B01D; B01D1/00; B01D1/22; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04406; F25J3/04412; F25J5/00; F25J5/002; F25J5/005; F28F1/00; F28F1/10; F28F1/12; F28F3/00; F28F3/02; F28F3/025; F25J2250/00; F25J2250/02; F25J2290/00; F25J2290/44; F28D; F28D21/00; F28D2021/0019; F28D2021/0033; F28F2255/00; F28F2255/18; Y; Y10; Y10S; Y10S165/00; Y10S165/907; Y10S165/911
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A PROCESS FOR TRANSFERRING HEAT FROM A WARM FLUID TO A BOILING LIQUID COMPRISING THE STEPS OF PROVIDING HEAT EXCHANGE APPARATUS HAVING A THERMALLY CONDUCTIVE WALL WITH A POROUS BOILING LAYER BONDED TO ONE SIDE OF SUCH WALL, SAID POROUS BOILING LAYER BEING CONSTRUCTED OF THERMALLY CONDUCTIVE PARTICLES BONDED TOGETHER TO FORM INTERCONNECTED PORES OF CAPILLARY SIZE HAVING AN EQUIVALENT PORE RADIUS LESS THAN ABOUT 4.5 MILS; COMPLETELY COVERING SAID POROUS BOILING LAYER DIRECTLY WITH SAID LIQUID AS AT LEAST A LIQUID FILM; AND CONTACTING THE WARM FLUID WITH ANOTHER SIDE OF SAID WALL SUCH THAT VAPOR BUBBLES ARE FORMED WITHIN SAID POROUS BOILING LAYER BY HEAT TRANSFERRED THERETO FROM SAID WARM FLUID; AND DISCHARGING SAID VAPOR AS BUBBLES EMERGING FROM SAID POROUS BOILING LAYER INTO THE LIQUID FILM PORTION COVERING SAID POROUS BOILING LAYER.
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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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |