Patent US3226306A successfully refreshed from Google Patents.
US3226306A
Expired / Lapsed
US
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Rotary film distillation and gas refrigerant condensing apparatus
Assignee: Hausner Enterprises Inc
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Filing: 1961-10-02
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Granted: 1965-12-28
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Hausner Johann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:09
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/043; B; B01; B01D; B01D1/00; B01D1/22; B01D1/222; B01D1/228; Y; Y10; Y10S; Y10S159/00; Y10S159/16; Y10S159/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
APPARATUS FOR SEPARATING SOLVENT FROM AN IMPURE FORM THEREOF CONTAINING A NORMALLY SOLID MATERIAL, WHICH COMPRISES AN EVAPORATION CHAMBER, LIQUID LEVEL CONTROL MEANS FOR MAINTAINING A LIQUID LEVEL OF SAID IMPURE FORM THEREIN, HEATING MEANS FOR SAID CHAMBER FOR EVAPORATING SAID SOLVENT FROM SAID IMPURE FORM, GAS PRESSURE REDUCING MEANS CONNECTED TO THE INTERIOR OF SAID CHAMBER ABOVE THE LIQUID LEVEL, CONDENSER MEANS CONNECTED WITH SAID CHAMBER FOR RECOVERING SOLVENT EVAPORATED THEREIN, FIRST AND SECOND HEAT EXCHANGERS MOUNTED IN SERIES RECEIVING EVAPORATED SOLVENT FROM SAID EVAPORATION CHAMBER AND CONNECTED TO SAID CONDENSER MEANS, A REFRIGERANT GAS SYSTEM INCLUDING A COMPRESSOR FOR CONVERTING THE GAS TO LIQUID, A SEPARATION CHAMBER CONNECTED TO THE DISCHARGE OF SAID COMPRESSOR, MEANS FOR MAINTAINING A LIQUID REFRIGERANT LEVEL THEREIN, AND MEANS FEEDING GAS FROM SAID SEPARATION CHAMBER THROUGH SAID CONDENSER MEANS AND THEN THROUGH SAID SECOND HEAT EXCHANGER AND BACK TO THE COMPRESSOR, RETURN MEANS RECEIVING CONDENSED
Claim 2
Dependent Claim
152 words
APPARATUS FOR SEPARATING SOLVENT FROM AN IMPURE FORM THEREOF CONTAINING A NORMALLY SOLID MATERIAL, WHICH COMPRISES AN EVAPORATION CHAMBER, LIQUID LEVEL CONTROL MEANS FOR MAINTAINING A LIQUID LEVEL OF SAID IMPURE FORM THEREIN, HEATING MEANS FOR SAID CHAMBER FOR EVAPORATING SAID SOLVENT FROM SAID IMPURE FORM, GAS PRESSURE REDUCING MEANS CONNECTED TO THE INTERIOR OF SAID CHAMBER ABOVE THE LIQUID LEVEL, CONDENSER MEANS CONNECTED WITH SAID CHAMBER FOR RECOVERING SOLVENT EVAPORATED THEREIN, FIRST AND SECOND HEAT EXCHANGERS MOUNTED IN SERIES RECEIVING EVAPORATED SOLVENT FROM SAID EVAPORATION CHAMBER AND CONNECTED TO SAID CONDENSER MEANS, A REFRIGERANT GAS SYSTEM INCLUDING A COMPRESSOR FOR CONVERTING THE GAS TO LIQUID, A SEPARATION CHAMBER CONNECTED TO THE DISCHARGE OF SAID COMPRESSOR, MEANS FOR MAINTAINING A LIQUID REFRIGERANT LEVEL THEREIN, AND MEANS FEEDING GAS FROM SAID SEPARATION CHAMBER THROUGH SAID CONDENSER MEANS AND THEN THROUGH SAID SECOND HEAT EXCHANGER AND BACK TO THE COMPRESSOR, RETURN MEANS RECEIVING CONDENSED
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |