Patent US2643974A successfully refreshed from Google Patents.
US2643974A
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Apparatus for using waste heat from heat engines for evaporation of water
Assignee: Griscom Russell Co
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Filing: 1946-01-31
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Granted: 1953-06-30
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Expires: 1966-01-31
Abstract
No abstract record available.
Inventors
- 👤 Impagliazzo Abraham Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:52
CPC Classifications
F; F02; F02G; F02G5/00; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/16; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S159/00; Y10S159/32; Y10S203/00; Y10S203/11; Y10S203/18; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
APPARATUS FOR THE EVAPORATION OF LIQUID BY THE UTLIZATION OF WASTE HEAT FROM HEAT ENGINES CARRYING A PRINCIPAL LOAD NOT DERIVED FROM SAID APPARATUS INCLUDING, IN COMBINATION, A CLOSED CIRCUIT FOR CIRCULATING AN AUXILIARY FLUID, SAID CIRCUIT INCLUDING PASSAGES IN THE HEAT ENGINE IN WHICH THE FLUIDF MAY ABSORB HEAT, A COOLER IN WHICH THE FLUID MAY GIVE UP HEAT OUTSIDE THE APPARATUS, AN EVAPORATOR HEATER IN WHICH THE FLUID MAY GIVE UP HEAT WITHIN THE APPARATUS, PIPING CONNECTING SAID COOLER AND SAID HEATER IN PARALLEL WITH EACH OTHER TO THE EXIT AND ENTRANCE TO SAID ENGINE PASSAGES, VALVE MEANS IN SAID PIPING INTERMEDIATE SAID EXIT, SAID COOLER AND SAID HEATER, AND FURTHER VALVE MEANS INTERMEDIATE SAID ENTRANCE, SAID COOLER AND SAID HEATER; A SOURCE OF
Claim 2
Dependent Claim
126 words
APPARATUS FOR THE EVAPORATION OF LIQUID BY THE UTLIZATION OF WASTE HEAT FROM HEAT ENGINES CARRYING A PRINCIPAL LOAD NOT DERIVED FROM SAID APPARATUS INCLUDING, IN COMBINATION, A CLOSED CIRCUIT FOR CIRCULATING AN AUXILIARY FLUID, SAID CIRCUIT INCLUDING PASSAGES IN THE HEAT ENGINE IN WHICH THE FLUIDF MAY ABSORB HEAT, A COOLER IN WHICH THE FLUID MAY GIVE UP HEAT OUTSIDE THE APPARATUS, AN EVAPORATOR HEATER IN WHICH THE FLUID MAY GIVE UP HEAT WITHIN THE APPARATUS, PIPING CONNECTING SAID COOLER AND SAID HEATER IN PARALLEL WITH EACH OTHER TO THE EXIT AND ENTRANCE TO SAID ENGINE PASSAGES, VALVE MEANS IN SAID PIPING INTERMEDIATE SAID EXIT, SAID COOLER AND SAID HEATER, AND FURTHER VALVE MEANS INTERMEDIATE SAID ENTRANCE, SAID COOLER AND SAID HEATER; A SOURCE OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |