US3357413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine coolant temperature stabilizing device
Assignee: Individual
•
Filing: 1965-06-22
•
Granted: 1967-12-12
•
Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Quinton Reginald Dougias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:08
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/10; F01; F01N; F01N5/00; F01P; F01P3/00; F01P3/20; F01P7/00; F01P7/14; F01P7/16; F01P7/165; F01P1/00; F01P1/06; F01P2025/00; F01P2025/08; F01P2025/30; F01P2060/00; F01P2060/08; F01P2060/16; F01P7/02; F01P7/08; F01P7/162; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN INTERNAL COMBUSTION ENGINE COMPRISING AN ENGINE BLOCK HAVING AN INLET AND AN OUTLET FOR A COOLANT FLOW THROUGH A COOLING JACKET IN THE BLOCK, MEANS FOR RECIRCULATING COOLANT FROM THE OUTLET TO THE INLET, A HEAT EXCHANGER HAVING A FIRST PATH FOR RECEIVING COOLANT, A SECOND PATH FOR RECEIVING ENGINE EXHAUST GAS AND A THIRD PATH FOR AN INTERMEDIATE HEAT TRANSFER FLUID, THE COOLANT PATH BEING UPSTREAM OF THE JACKET INLET, AND TEMPERATURE RESPONSIVE MEANS TO CONTROL OPERATION OF THE HEAT EXCHANGER WHEREBY THE HEATING OF THE COOLANT WILL BE CONTROLLED IN ACCORDANCE WITH ENGINE TEMPERATURE.
Claim 2
Dependent Claim
97 words
AN INTERNAL COMBUSTION ENGINE COMPRISING AN ENGINE BLOCK HAVING AN INLET AND AN OUTLET FOR A COOLANT FLOW THROUGH A COOLING JACKET IN THE BLOCK, MEANS FOR RECIRCULATING COOLANT FROM THE OUTLET TO THE INLET, A HEAT EXCHANGER HAVING A FIRST PATH FOR RECEIVING COOLANT, A SECOND PATH FOR RECEIVING ENGINE EXHAUST GAS AND A THIRD PATH FOR AN INTERMEDIATE HEAT TRANSFER FLUID, THE COOLANT PATH BEING UPSTREAM OF THE JACKET INLET, AND TEMPERATURE RESPONSIVE MEANS TO CONTROL OPERATION OF THE HEAT EXCHANGER WHEREBY THE HEATING OF THE COOLANT WILL BE CONTROLLED IN ACCORDANCE WITH ENGINE TEMPERATURE.
References Cited (Backward Citations)
US1217587A
Cited
US2266193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |