Multi-stage evaporator
Abstract
Abstract An evaporator with a plurality of evaporating chambers between which a pressure and temperature drop exists, which is equipped with devices for conveying a liquid through the evaporating chambers for evaporation of a part of the liquid in each chamber, with condensers of which each communicates with one of said evaporating chambers, with means for withdrawing the obtained distillate from said condensers, and with withdrawing means for withdrawing means including a liquid jet ejector and a water pressure pump and a separating device fore separating inert gas, said jet ejector and said water pressure pump and said separating device being arranged in communication with each other in a closed circuit adapted to receive cooling water and to discharge warmed-up water.
Inventors
- 👤 K Peter
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |