Patent US2818684A successfully refreshed from Google Patents.
Patent US3350876A successfully refreshed from Google Patents.
US3350876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine plant
Assignee: Individual
•
Filing: 1966-01-19
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Granted: 1967-11-07
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Roy W P Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:00
CPC Classifications
F; F01; F01K; F01K23/00; F01K23/12; F01K23/14; F02; F02G; F02G5/00; F02B; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN IMPROVED INTERNAL COMBUSTION ENGINE PLANT COOLED BY LIQUID, COMPRISING IN COMBINATION, (A) A WASTE HEAT BOILER, VAPOR SUPERHEATER, AND BOILER FEED LIQUID HEATER, (B) MEANS FOR PASSING EXHAUST GASES FORM THE INTERNAL COMBUSTION ENGINE COUNTER-CURRENTLY OVER THE SUPERHEATING, BOILING, AND LIQUID HEATING ELEMENTS WHEREBY VAPOR UNDER PRESSURE IS PRODUCED AND SUPERHEATED, (C) MEANS FOR TRANSFORMING A PORTION OF THE ENGINE COOLING LIQUID INTO VAPOR, (D) A VAPOR TURBINE WITH A HIGH PRESSURE INLET CONNECTED TO THE EXHAUST GENERATED AND SUPERHEATED VAPOR, (E) MEANS FOR INTRODUCING AT AN INTERMEDIATE POINT IN THE TURBINE THE VAPOR PRODUCED, THE POINT OF INTRODDUCTION BEING CHOSEN SO THAT THE VAPOR WHEN ADMIXED WITH THE PARTIALLY EXPANDED SUPERHEATED VAPOR IN STHE TURBINE WILL RESULT IN A VAPOR SUPERHEAT SUFFICIENT SO THAT AT NORMAL, LOW PRESSURE EXHAUST OF THE TURBINE, NO SUBSTANTIAL CONDENSATION OF LIQUID TAKES PLACE, AND
Claim 2
Dependent Claim
142 words
AN IMPROVED INTERNAL COMBUSTION ENGINE PLANT COOLED BY LIQUID, COMPRISING IN COMBINATION, (A) A WASTE HEAT BOILER, VAPOR SUPERHEATER, AND BOILER FEED LIQUID HEATER, (B) MEANS FOR PASSING EXHAUST GASES FORM THE INTERNAL COMBUSTION ENGINE COUNTER-CURRENTLY OVER THE SUPERHEATING, BOILING, AND LIQUID HEATING ELEMENTS WHEREBY VAPOR UNDER PRESSURE IS PRODUCED AND SUPERHEATED, (C) MEANS FOR TRANSFORMING A PORTION OF THE ENGINE COOLING LIQUID INTO VAPOR, (D) A VAPOR TURBINE WITH A HIGH PRESSURE INLET CONNECTED TO THE EXHAUST GENERATED AND SUPERHEATED VAPOR, (E) MEANS FOR INTRODUCING AT AN INTERMEDIATE POINT IN THE TURBINE THE VAPOR PRODUCED, THE POINT OF INTRODDUCTION BEING CHOSEN SO THAT THE VAPOR WHEN ADMIXED WITH THE PARTIALLY EXPANDED SUPERHEATED VAPOR IN STHE TURBINE WILL RESULT IN A VAPOR SUPERHEAT SUFFICIENT SO THAT AT NORMAL, LOW PRESSURE EXHAUST OF THE TURBINE, NO SUBSTANTIAL CONDENSATION OF LIQUID TAKES PLACE, AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |