Patent US3306271A successfully refreshed from Google Patents.
US3306271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine with single overhead camshaft and hemispherical combustion chambers
Assignee: Motors Liquidation Co
•
Filing: 1966-01-19
•
Granted: 1967-02-28
•
Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Turlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:59
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02F1/38; F01; F01L; F01L1/00; F01L1/02; F01L1/04; F01L1/047; F01L1/053; F01L3/00; F01L2003/25; F01L2003/256; F02B; F02B1/00; F02B1/02; F02B1/04; F02B2275/00; F02B2275/20; F02F2001/244; F02F2001/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN AN INTERNAL COMBUSTION ENGINE, A COMBUSTION CHAMBER DEFINING WALL FORMING A PORTION OF A SPHERE, FLUID FLOW PASSAGES THROUGH SAID WALL AND TERMINATING IN A PAIR OF VALVE SEATS, FIRST AND SECOND POPPET VALVES ADAPTED TO ENGAGE SAID VALVE SEATS TO CLOSE SAID PASSAGES, SAID VALVES BEING MOVABLE ON AXES INTERSECTING THE CENTER OF SAID SPHERE, A CAMSHAFT ROTATABLY MOUNTED OVER AND OPERABLY ENGAGING SAID FIRST VALVE, SAID CAMSHAFT HAVING AN AXIS PERPENDICULAR TO AND INTERSECTED BY THE AXIS OF SAID FIRST VALVE AND MECHANISM OPERABLY CONNECTING SAID SECOND VALVE WITH SAID CAMSHAFT WHEREBY BOTH SAID PASSAGES ARE CONTROLLED BY A SINGLE CAMSHAFT.
Claim 2
Dependent Claim
104 words
IN AN INTERNAL COMBUSTION ENGINE, A COMBUSTION CHAMBER DEFINING WALL FORMING A PORTION OF A SPHERE, FLUID FLOW PASSAGES THROUGH SAID WALL AND TERMINATING IN A PAIR OF VALVE SEATS, FIRST AND SECOND POPPET VALVES ADAPTED TO ENGAGE SAID VALVE SEATS TO CLOSE SAID PASSAGES, SAID VALVES BEING MOVABLE ON AXES INTERSECTING THE CENTER OF SAID SPHERE, A CAMSHAFT ROTATABLY MOUNTED OVER AND OPERABLY ENGAGING SAID FIRST VALVE, SAID CAMSHAFT HAVING AN AXIS PERPENDICULAR TO AND INTERSECTED BY THE AXIS OF SAID FIRST VALVE AND MECHANISM OPERABLY CONNECTING SAID SECOND VALVE WITH SAID CAMSHAFT WHEREBY BOTH SAID PASSAGES ARE CONTROLLED BY A SINGLE CAMSHAFT.
References Cited (Backward Citations)
GB695546A
Cited
US2804862A
Cited
US2954023A
Cited
US3094977A
Cited
US3137283A
Cited
US3219019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |