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US3796640A Expired / Lapsed US ⏱️ 0.0 years remaining

Vapor compression distillation

Assignee: Paul Mueller Co
•
Filing: 1973-02-20
•
Granted: 1974-03-12
•
Expires: 1993-02-20
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Abstract

Abstract THE VAPORS EVOLVED IN A VAPOR COMPRESSION DISTILLATION SYSTEM ARE EVACUATED FROM THE EVAPORATOR BY A VAPOR DRIVE EJECTOR AND BY AN EJECTOR DRIVEN BY A STREAM OF PURIFIED LIQUID. THE EFFLUENT FROM THE VAPOR DRIVEN EJECTOR IS PLACED IN INDIRECT HEAT EXCHANGE RELATIONSHIP WITH THE LIQUID BEING EVAPORATED, WHEREBY ADDITIONAL LIQUID IS VAPORIZED AND SUBSTANTIALLY ALL OF THE EJECTOR EFFLUENT IS CONDENSED. SUBSTANTIALLY ALL OF THE VAPOR EVACUATED BY THE LIQUID DRIVEN EJECTOR IS CONDENSED IN THE DISCHARGE STREAM FROM THIS EJECTOR. PREFERABLY, THE CONDENSED EFFLUENTS FROM BOTH EJECTORS ARE MIXED; AND PART OF THIS COLLECTED FLLUENT, OR DISTILLATE, IS RECIRCULATED TO DRIVE THE LIQUID DRIVEN EJECTOR.

Inventors

  • 👤 R Boomer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:02
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/10; B01D3/101; B01D1/00; B01D1/28; B01D1/2803; Y; Y10; Y10S; Y10S203/00; Y10S203/23

Claims Analysis

Total Claims: 0
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References 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) 1977-03-11 1977-09-10 1978-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-03-11 1981-09-10 1982-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-03-11 1985-09-10 1986-03-12 $7700.00 Window Closed / Lapsed

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