US3238932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed cooling system for an internal combustion engine
Assignee: Ford Motor Co
•
Filing: 1964-03-30
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Granted: 1966-03-08
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Bruce H Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/02; F01P11/029; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SEALED LIQUID COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A COOLING JACKET FOR SAID ENGINE, A HEAT EXCHANGER, SAID HEAT EXCHANGER COMPRISING A PLURALITY OF COOLANT FLOW PASSAGES INTERCONNECTED BY AT LEAST ONE HEADER TANK, MEANS FOR CIRCULATING LIQUID COOLANT BETWEEN SAID HEAT EXCHANGER AND SAID COOLING JACKET, THE LIQUID COOLANT CONTAINED IN SAID COOLING JACKET, SAID COOLANT FLOW PASSAGES AND SAID LAST-NAMED MEANS BEING SUBSTANTIALLY PURGED OF AIR, AND A FLEXIBLE WALL EXTENDING ACROSS SAID HEADER TANK, SAID FLEXIBLE WALL BEING IN CONTACT WITH THE LIQUID COOLANT AT THE MINIMUM EXPECTED COOLANT VOLUME WITHIN SAID SYSTEM SAID BEING IMPERVIOUS FOR PRECLUDING ENTRY OF AIR INTO SAID SYSTEM, SAID FLEXIBLE WALL BEING DEFORMABLE UPON TEMPERATURE INDUCED INCREASES IN THE COOLANT VOLUME.
Claim 2
Dependent Claim
123 words
A SEALED LIQUID COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A COOLING JACKET FOR SAID ENGINE, A HEAT EXCHANGER, SAID HEAT EXCHANGER COMPRISING A PLURALITY OF COOLANT FLOW PASSAGES INTERCONNECTED BY AT LEAST ONE HEADER TANK, MEANS FOR CIRCULATING LIQUID COOLANT BETWEEN SAID HEAT EXCHANGER AND SAID COOLING JACKET, THE LIQUID COOLANT CONTAINED IN SAID COOLING JACKET, SAID COOLANT FLOW PASSAGES AND SAID LAST-NAMED MEANS BEING SUBSTANTIALLY PURGED OF AIR, AND A FLEXIBLE WALL EXTENDING ACROSS SAID HEADER TANK, SAID FLEXIBLE WALL BEING IN CONTACT WITH THE LIQUID COOLANT AT THE MINIMUM EXPECTED COOLANT VOLUME WITHIN SAID SYSTEM SAID BEING IMPERVIOUS FOR PRECLUDING ENTRY OF AIR INTO SAID SYSTEM, SAID FLEXIBLE WALL BEING DEFORMABLE UPON TEMPERATURE INDUCED INCREASES IN THE COOLANT VOLUME.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |