US3219552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural condensing mediums for multistage flash evaporator
Assignee: Richardsons Westgarth and Co Ltd
•
Filing: 1960-02-24
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Granted: 1965-11-23
•
Expires: 1980-02-24
Abstract
No abstract record available.
Inventors
- 👤 Starmer Roy
- 👤 Emmett James Ratcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:59
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/06; B; B01; B01D; B01D3/00; B01D3/06; B01D3/065; Y; Y10; Y10S; Y10S203/00; Y10S203/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A MULTI-STAGE FLASH TYPE EVAPORATOR AND DISTILLATE HEATER COMPRISING A PLURALITY OF ADJACENT HEATER-CONDENSERS CONNECTED IN SERIES AND A CORRESPONDING NUMBER OF ADJACENT FLASH CHAMBERS EACH OF WHICH IS COMMUNICATIVELY CONNECTED WITH ONE OF SAID HEATER-CONDENSERS, THE FLASH CHAMBERS BEING CONNECTED IN SERIES WITH EACH OTHER, A FIRST LIQUID CONVEYING SYSTEM IN EACH HEATER-CONDENSER CONNECTED IN SERIES WITH THE SYSTEM IN EACH OF THE ADJACENT HEATER-CONDENSERS AND ARRANGED FOR THE PASSAGE THERETHROUGH OF LIQUID TO BE EVAPORATED AND TO BE PREHEATED THEREIN BY VAPOR PRODUCED IN THE ASSOCIATED FLASH CHAMBER, MEANS IN EACH HEATER-CONDENSER FOR COLLECTING DISTILLATE PRODUCED AS A RESULT OF THE CONDENSATION OF THE VAPOR THEREIN, DISTILLATE-WITHDRAWING MEANS CONNECTED TO THE HEATER-CONDENSERS, A SECOND LIQUID CONVEYING SYSTEM EXTENDING THROUGH THE HEATER-CONDENSERS, MEANS TO
Claim 2
Dependent Claim
125 words
A MULTI-STAGE FLASH TYPE EVAPORATOR AND DISTILLATE HEATER COMPRISING A PLURALITY OF ADJACENT HEATER-CONDENSERS CONNECTED IN SERIES AND A CORRESPONDING NUMBER OF ADJACENT FLASH CHAMBERS EACH OF WHICH IS COMMUNICATIVELY CONNECTED WITH ONE OF SAID HEATER-CONDENSERS, THE FLASH CHAMBERS BEING CONNECTED IN SERIES WITH EACH OTHER, A FIRST LIQUID CONVEYING SYSTEM IN EACH HEATER-CONDENSER CONNECTED IN SERIES WITH THE SYSTEM IN EACH OF THE ADJACENT HEATER-CONDENSERS AND ARRANGED FOR THE PASSAGE THERETHROUGH OF LIQUID TO BE EVAPORATED AND TO BE PREHEATED THEREIN BY VAPOR PRODUCED IN THE ASSOCIATED FLASH CHAMBER, MEANS IN EACH HEATER-CONDENSER FOR COLLECTING DISTILLATE PRODUCED AS A RESULT OF THE CONDENSATION OF THE VAPOR THEREIN, DISTILLATE-WITHDRAWING MEANS CONNECTED TO THE HEATER-CONDENSERS, A SECOND LIQUID CONVEYING SYSTEM EXTENDING THROUGH THE HEATER-CONDENSERS, MEANS TO
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |