US3080857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine coolant system
Assignee: International Motors LLC
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Filing: 1960-12-14
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Granted: 1963-03-12
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Expires: 1980-12-14
Abstract
No abstract record available.
Inventors
- 👤 Eugene H Middendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:52
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; F01P7/165; F01P5/00; F01P5/10; F01P11/00; F01P11/02; F01P11/029; F01P2005/105; F01P2060/00; F01P2060/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
AN ENGINE COOLANT SYSTEM FOR A FLUID COOLANT COMPRISING AN ENGINE COOLANT CIRCUIT AND A HEAT EXCHANGER COOLANT CIRCUIT INTERCONNECTED THEREWITH CONDUCTING THE COOLANT THEREBETWEEN, THE ENGINE CIRCUIT INCLUDING AN ENGINE COOLANT JACKET HAVING AN INLET AND AN OUTLET SIDE AND AN ENGINE COOLANT CIRCULATING PUMP ON THE INLET SIDE FOR DIRECTING THE COOLANT THROUGH THE JACKET AND A THERMOSTAT ON THE OUTLET SIDE PROVIDING INTERRUPTED FLUID FLOW TO THE ENGINE AND TO THE HEAT EXCHANGER CIRCUIT IN ACCORDANCE WITH THE ENGINE TEMPERATURE CHARACTERISTICS, THE HEAT EXCHANGER CIRCUIT INCLUDING A HEAT EXCHANGER HAVING INLET AND OUTLET SIDES AND A HEAT EXCHANGER COOLANT CIRCULATING PUMP ON THE INLET SIDE, AND MEANS INTERCONNECTING THE TWO CIRCUITS AND INCLUDING A MIXING TANK HAVING FIRST CONDUIT MEANS WITHIN THE TANK IN FLUID COMMUNICATION WITH THE THERMOSTAT AND SECOND CONDUIT MEANS IN COMMUNICATION WITH THE OUTLET SIDE OF THE HEAT EXCHANGER AND A THIRD CONDUIT MEANS WITHIN THE TANK IN FLUID COMMUNICATION WITH THE INLET SIDE OF HEAT EXCHANGER PUMP AND SPACED APART FROM THE FIRST CONDUIT MEANS AND DEFINING WITH THE FIRST CONDUIT A ZONE OF COOLANT ESCAPE WITHIN THE MIXING TANK.
Claim 2
Dependent Claim
188 words
AN ENGINE COOLANT SYSTEM FOR A FLUID COOLANT COMPRISING AN ENGINE COOLANT CIRCUIT AND A HEAT EXCHANGER COOLANT CIRCUIT INTERCONNECTED THEREWITH CONDUCTING THE COOLANT THEREBETWEEN, THE ENGINE CIRCUIT INCLUDING AN ENGINE COOLANT JACKET HAVING AN INLET AND AN OUTLET SIDE AND AN ENGINE COOLANT CIRCULATING PUMP ON THE INLET SIDE FOR DIRECTING THE COOLANT THROUGH THE JACKET AND A THERMOSTAT ON THE OUTLET SIDE PROVIDING INTERRUPTED FLUID FLOW TO THE ENGINE AND TO THE HEAT EXCHANGER CIRCUIT IN ACCORDANCE WITH THE ENGINE TEMPERATURE CHARACTERISTICS, THE HEAT EXCHANGER CIRCUIT INCLUDING A HEAT EXCHANGER HAVING INLET AND OUTLET SIDES AND A HEAT EXCHANGER COOLANT CIRCULATING PUMP ON THE INLET SIDE, AND MEANS INTERCONNECTING THE TWO CIRCUITS AND INCLUDING A MIXING TANK HAVING FIRST CONDUIT MEANS WITHIN THE TANK IN FLUID COMMUNICATION WITH THE THERMOSTAT AND SECOND CONDUIT MEANS IN COMMUNICATION WITH THE OUTLET SIDE OF THE HEAT EXCHANGER AND A THIRD CONDUIT MEANS WITHIN THE TANK IN FLUID COMMUNICATION WITH THE INLET SIDE OF HEAT EXCHANGER PUMP AND SPACED APART FROM THE FIRST CONDUIT MEANS AND DEFINING WITH THE FIRST CONDUIT A ZONE OF COOLANT ESCAPE WITHIN THE MIXING TANK.
References Cited (Backward Citations)
US2321882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |