US3085558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preheater for carburetor inlet air
Assignee: Old Carco LLC
•
Filing: 1961-05-01
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Granted: 1963-04-16
•
Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jorma O Sarto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:49
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/434; F02M2700/4342; F02M2700/4347; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE HAVING A LIQUID COOLANT SYSTEM, FUEL CHARGING MEANS HAVING AN INLET AIR PASSAGE MEANS CONNECTED WITH SAID ENGINE TO DISCHARGE COMBUSTION SUPPORTING AIR THERETO, PUMP MEANS FOR CIRCULATING LIQUID COOLANT THROUGH SAID SYSTEM, MEANS FOR COOLING THE COOLANT DISCHARGED FROM SAID SYSTEM COMPRISING HEAT EXCHANGE MEANS CONNECTED WITH THE OUTLET SIDE OF SAID SYSTEM, SAID HEAT EXCHANGE MEANS BEING ALSO CONNECTED WITH THE RETURN SIDE OF SAID PUMP MEANS TO RETURN COOLED COOLANT THERETO, THERMOSTATICALLY ACTUATED VALVE MEANS IN THE CONNECTION BETWEEN SAID SYSTEM AND HEAT EXCHANGE MEANS TO REGULATE THE COOLANT FLOW THEREBETWEEN, BYPASS DUCT MEANS CONNECTING THE OUTLET SIDE OF SAID SYSTEM WITH THE RETURN SIDE OF SAID PUMP MEANS TO ENABLE CIRCULATION OF SAID COOLANT THROUGH SAID SYSTEM WHEN SAID VALVE MEANS IS CLOSED, SAID BYPASS DUCT MEANS INCLUDING A SECOND HEAT EXCHANGE MEANS IN HEAT EXCHANGE RELATION WITH SAID INLET AIR PASSAGE MEANS TO PREHEAT SAID COMBUSTION SUPPORTING AIR PRIOR TO ITS DISCHARGE INTO SAID ENGINE, A CHOKE VALVE IN SAID INLET AIR PASSAGE MEANS, AND THERMOSTATIC MEANS RESPONSIVE TO THE TEMPERATURE OF THE COOLANT IN SAID SECOND HEAT EXCHANGE MEANS FOR YIELDINGLY URGING CLOSING OF SAID CHOKE VALVE WITH INCREASING FORCE AS THE TEMPERATURE OF SAID COOLANT DECREASES.
Claim 2
Dependent Claim
210 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE HAVING A LIQUID COOLANT SYSTEM, FUEL CHARGING MEANS HAVING AN INLET AIR PASSAGE MEANS CONNECTED WITH SAID ENGINE TO DISCHARGE COMBUSTION SUPPORTING AIR THERETO, PUMP MEANS FOR CIRCULATING LIQUID COOLANT THROUGH SAID SYSTEM, MEANS FOR COOLING THE COOLANT DISCHARGED FROM SAID SYSTEM COMPRISING HEAT EXCHANGE MEANS CONNECTED WITH THE OUTLET SIDE OF SAID SYSTEM, SAID HEAT EXCHANGE MEANS BEING ALSO CONNECTED WITH THE RETURN SIDE OF SAID PUMP MEANS TO RETURN COOLED COOLANT THERETO, THERMOSTATICALLY ACTUATED VALVE MEANS IN THE CONNECTION BETWEEN SAID SYSTEM AND HEAT EXCHANGE MEANS TO REGULATE THE COOLANT FLOW THEREBETWEEN, BYPASS DUCT MEANS CONNECTING THE OUTLET SIDE OF SAID SYSTEM WITH THE RETURN SIDE OF SAID PUMP MEANS TO ENABLE CIRCULATION OF SAID COOLANT THROUGH SAID SYSTEM WHEN SAID VALVE MEANS IS CLOSED, SAID BYPASS DUCT MEANS INCLUDING A SECOND HEAT EXCHANGE MEANS IN HEAT EXCHANGE RELATION WITH SAID INLET AIR PASSAGE MEANS TO PREHEAT SAID COMBUSTION SUPPORTING AIR PRIOR TO ITS DISCHARGE INTO SAID ENGINE, A CHOKE VALVE IN SAID INLET AIR PASSAGE MEANS, AND THERMOSTATIC MEANS RESPONSIVE TO THE TEMPERATURE OF THE COOLANT IN SAID SECOND HEAT EXCHANGE MEANS FOR YIELDINGLY URGING CLOSING OF SAID CHOKE VALVE WITH INCREASING FORCE AS THE TEMPERATURE OF SAID COOLANT DECREASES.
References Cited (Backward Citations)
US2369937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |