Patent US3127879A successfully refreshed from Google Patents.
US3127879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling cylinder liners of internal combustion engines
Assignee: Fiat SpA
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Filing: 1963-02-05
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Granted: 1964-04-07
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Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Giacosa Dante
- 👤 Torazza Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:43
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/02; F01M; F01M1/00; F01M1/02; F01P9/00; F01P9/04; F02; F02F; F02F1/00; F02F1/02; F02F1/10; F01P2003/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A DEVICE FOR COOLING THE CYLINDER LINERS OF INTERNAL COMBUSTION ENGINES COMPRISING A CYLINDER BLOCK HAVING AT LEAST ONE CYLINDER BORE PROVIDED WITH A CONDUIT EXTENDING SUBSTANTIALLY RADIALLY OF THE BORE AT EACH END PORTION OF SAID BORE, A CYLINDER HEAD ON SAID CYLINDER BLOCK, A CYLINDER LINER PROVIDED EXTERNALLY AND INTERMEDIATELY ITS ENDS WITH A CIRCUMFERENTIALLY EXTENDING RECESS HAVING A DEPTH VARYING FROM A MINIMUM VALUE AT ONE END TO MAXIMUM VALUE AT THE OPPOSITE END OF SAID LINER, SAID LINER BEING FITTED IN THE CYLINDER BORE WITH THE SHALLOW END OF THE RECESS FACING THE CYLINDER HEAD, SO THAT A CLEARANCE COMMUNICATING WITH SAID CONDUITS IS FORMED BETWEEN THE LINER AND THE CYLINDER BLOCK, ONE OF SAID CONDUITS BEING CONNECTED TO THE PRESSURE OIL LUBRICAT-
Claim 2
Independent Claim
127 words
A DEVICE FOR COOLING THE CYLINDER LINERS OF INTERNAL COMBUSTION ENGINES COMPRISING A CYLINDER BLOCK HAVING AT LEAST ONE CYLINDER BORE PROVIDED WITH A CONDUIT EXTENDING SUBSTANTIALLY RADIALLY OF THE BORE AT EACH END PORTION OF SAID BORE, A CYLINDER HEAD ON SAID CYLINDER BLOCK, A CYLINDER LINER PROVIDED EXTERNALLY AND INTERMEDIATELY ITS ENDS WITH A CIRCUMFERENTIALLY EXTENDING RECESS HAVING A DEPTH VARYING FROM A MINIMUM VALUE AT ONE END TO MAXIMUM VALUE AT THE OPPOSITE END OF SAID LINER, SAID LINER BEING FITTED IN THE CYLINDER BORE WITH THE SHALLOW END OF THE RECESS FACING THE CYLINDER HEAD, SO THAT A CLEARANCE COMMUNICATING WITH SAID CONDUITS IS FORMED BETWEEN THE LINER AND THE CYLINDER BLOCK, ONE OF SAID CONDUITS BEING CONNECTED TO THE PRESSURE OIL LUBRICAT-
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |