US3330264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder for an internal combustion engine
Assignee: Caterpillar Energy Solutions GmbH
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Filing: 1965-08-09
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Granted: 1967-07-11
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Urlaub Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:47
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4214; F02B; F02B3/00; F02B3/06; F02F2001/244; F02F2001/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
IN COMBINATION, A CYLINDER FOR AN INTERNAL COMBUSTION ENGINE, A CYLINDER HEAD OF SAID CYLINDER, FIRST PORTIONS OF SAID CYLINDER HEAD DEFINING AN OUTWARDLY FACING LATERAL SURFACE THEREOF, FIRST AND SECOND INLET VALVE MEANS IN SAID CYLINDER HEAD AND SPACED APART ABOUT THE AXIS OF SAID CYLINDER, THE FIRST INLET VALVE MEANS BEING NEARER TO SAID LATERAL SURFACE THAN THE SECOND INLET VALVE MEANS, SECOND PORTIONS OF SAID CYLINDER HEAD DEFINING A BOUNDING SURFACE THEREOF BOUNDING AN END OF THE WORKING SPACE OF SAID CYLINDER, THIRD PORTIONS OF SAID CYLINDER HEAD DEFINING FIRST AND SECOND INLET VALVE SEATS FOR SAID FIRST AN SECOND INLET VALVE MEANS AND FIRST AND SECOND INLET VALVE PORTS FOR SAID FIRST AND SECOND INLET VALVE MEANS OF SUBSTANTIALLY CIRCULAR CROSS-SECTION AND ENCIRCLED BY SAID FIRST AND SECOND VALVE SEATS AND OPENING INTO SAID WORKING SPACE AT SAID BOUNDING SURFACE, AND FOURTH PORTIONS OF SAID CYLINDER HEAD DEFINING SINGULAR INLET DUCT EXTENDING FROM SAID LATERAL SURFACE TO THE FIRST INLET VALVE PORT AND THENCE TO THE SECOND INLET VALVE PORT, COMMUNICATING WITH SAID FIRST AND SECOND INLET PORTS, HAVING FIRST AND SECOND SURFACES WHICH EXTEND IN PLANES TRANSVERSE TO THE CYLINDER AXIS, HAVING A LATERAL, OUTER, THIRD SURFACE WHICH IS RADIALLY OUTWARDS OF SAID CYLINDER AXIS, AND HAVING A LATERAL INNER, FOURTH SURFACE WHICH IS RADIALLY INWARDS WITH RESPECT TO SAID THIRD SURFACE, THE ARRANGEMENT BEING SUCH THAT:
Claim 2
Dependent Claim
232 words
IN COMBINATION, A CYLINDER FOR AN INTERNAL COMBUSTION ENGINE, A CYLINDER HEAD OF SAID CYLINDER, FIRST PORTIONS OF SAID CYLINDER HEAD DEFINING AN OUTWARDLY FACING LATERAL SURFACE THEREOF, FIRST AND SECOND INLET VALVE MEANS IN SAID CYLINDER HEAD AND SPACED APART ABOUT THE AXIS OF SAID CYLINDER, THE FIRST INLET VALVE MEANS BEING NEARER TO SAID LATERAL SURFACE THAN THE SECOND INLET VALVE MEANS, SECOND PORTIONS OF SAID CYLINDER HEAD DEFINING A BOUNDING SURFACE THEREOF BOUNDING AN END OF THE WORKING SPACE OF SAID CYLINDER, THIRD PORTIONS OF SAID CYLINDER HEAD DEFINING FIRST AND SECOND INLET VALVE SEATS FOR SAID FIRST AN SECOND INLET VALVE MEANS AND FIRST AND SECOND INLET VALVE PORTS FOR SAID FIRST AND SECOND INLET VALVE MEANS OF SUBSTANTIALLY CIRCULAR CROSS-SECTION AND ENCIRCLED BY SAID FIRST AND SECOND VALVE SEATS AND OPENING INTO SAID WORKING SPACE AT SAID BOUNDING SURFACE, AND FOURTH PORTIONS OF SAID CYLINDER HEAD DEFINING SINGULAR INLET DUCT EXTENDING FROM SAID LATERAL SURFACE TO THE FIRST INLET VALVE PORT AND THENCE TO THE SECOND INLET VALVE PORT, COMMUNICATING WITH SAID FIRST AND SECOND INLET PORTS, HAVING FIRST AND SECOND SURFACES WHICH EXTEND IN PLANES TRANSVERSE TO THE CYLINDER AXIS, HAVING A LATERAL, OUTER, THIRD SURFACE WHICH IS RADIALLY OUTWARDS OF SAID CYLINDER AXIS, AND HAVING A LATERAL INNER, FOURTH SURFACE WHICH IS RADIALLY INWARDS WITH RESPECT TO SAID THIRD SURFACE, THE ARRANGEMENT BEING SUCH THAT:
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |