US3192131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-stage flash evaporator with removable stages
Assignee: AQUA-CHEM HOLDING Inc A CORP OF
•
Filing: 1960-06-20
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Granted: 1965-06-29
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Loebel
- 👤 Gordon F Leitner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:44
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/06; B; B01; B01D; B01D3/00; B01D3/06; B01D3/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A MULTI-STAGE EVAPORATOR PROVIDED WITH AN ELONGATED TUBULAR SHELL HAVING AN OPEN END, AN ASSEMBLY ARRANGED TO BE REMOVABLY INSTALLED IN SAID SHELL, SAID ASSEMBLY COMPRISING AN END WALL ARRANGED TO EXTEND ACROSS THE OPEN END OF THE SHELL, A PARTITION WALL ARRANGED TO EXTEND ACROSS THE INTERIOR OF THE SHELL INTERMEDATE THE ENDS OF THE SHELL TO DEFINE A PAIR OF LONGITUDINALLY RELATED FLASH CHAMBERS IN THE SHELL, MEANS FOR CONDUCTING FLUID TO BE FLASHED SUCCESSIVELY THROUGH SAID FLASH CHAMBERS, A TUBE BUNDLE EXTENDING SUCCESSIVELY THROUGH SAID WALLS FOR CONDUCTING COOLANT THEREIN THROUGH SAID FLASH CHAMBERS, MEANS FOR CONDUCTING DISTILLATE SUCCESSIVELY FROM SAID FLASH CHAMBERS, MEANS FOR SEALINGLY, READILY REMOVABLY SUPPORTING SAID PARTITION WALL IN THE SHELL, AND MEANS FOR SEALINGLY, READILY REMOVABLY SUPPORTING SAID END WALL ON THE OPEN END OF THE WALL.
Claim 2
Dependent Claim
136 words
IN A MULTI-STAGE EVAPORATOR PROVIDED WITH AN ELONGATED TUBULAR SHELL HAVING AN OPEN END, AN ASSEMBLY ARRANGED TO BE REMOVABLY INSTALLED IN SAID SHELL, SAID ASSEMBLY COMPRISING AN END WALL ARRANGED TO EXTEND ACROSS THE OPEN END OF THE SHELL, A PARTITION WALL ARRANGED TO EXTEND ACROSS THE INTERIOR OF THE SHELL INTERMEDATE THE ENDS OF THE SHELL TO DEFINE A PAIR OF LONGITUDINALLY RELATED FLASH CHAMBERS IN THE SHELL, MEANS FOR CONDUCTING FLUID TO BE FLASHED SUCCESSIVELY THROUGH SAID FLASH CHAMBERS, A TUBE BUNDLE EXTENDING SUCCESSIVELY THROUGH SAID WALLS FOR CONDUCTING COOLANT THEREIN THROUGH SAID FLASH CHAMBERS, MEANS FOR CONDUCTING DISTILLATE SUCCESSIVELY FROM SAID FLASH CHAMBERS, MEANS FOR SEALINGLY, READILY REMOVABLY SUPPORTING SAID PARTITION WALL IN THE SHELL, AND MEANS FOR SEALINGLY, READILY REMOVABLY SUPPORTING SAID END WALL ON THE OPEN END OF THE WALL.
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |