US3249096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating internal combustion engine
Assignee: Individual
•
Filing: 1963-10-11
•
Granted: 1966-05-03
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Franceschini Enrico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:38
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/04; F01C21/0809; F01C21/0818; F01C21/0827; F01C21/0836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
284 words
AN INTERNAL COMBUSTION ENGINE COMPRISING A DISC HAVING A PLURALITY OF VANES ATTACHED THERETO, A FIRST SHAFT HAVING AT LEAST ONE CAM THEREON, A CASING HAVING AN ECCENTRICALLY SHAPED INNER SURFACE, ACTIVATING MEANS AND MEANS FOR DRAWING OFF POWER GENERATED BY SAID ENGINE; SAID CASING BEING ECCENTRICALLY SHAPED TO FORM A PLURALITY OF COMPARTMENTS IN INDIVIDUAL ONES OF WHICH ARE PERFORMED THE INTAKE, COMPRESSION, COMBUSTION AND EXHAUSTION FUNCTIONS OF SAID ENGINE; SAID FIRST SHAFT BEING POSITIONED WITHIN SAID CASING AND BEING MOUNTED STATIONARY WITH RESPECT TO SAID CASING; SAID DISC BEING COMPRISED OF A FIRST AND A SECOND SIDE; SAID DISC BEING ROTATABLY MOUNTED WITH RESPECT TO SAID FIRST SHAFT; SAID FIRST SHAFT BEING POSITIONED BETWEEN SAID SIDES OF SAID DISC; SAID AT LEAST ONE CAM BEING FIXEDLY MOUNTED ON SAID FIRST SHAFT BETWEEN SAID FIRST AND SAID SECOND SIDES OF SAID DISC; SAID AT LEAST ONE CAM HAVING CONTOURS PROPORTIONAL IN SIZE AND LOCATION TO THE CONTOURS OF SAID INNER SURFACE OF SAID ECCENTRICALLY SHAPED CASING; SAID AT LEAST ONE CAM BEING POSITIONED ON SAID FIRST SHAFT SO THAT THE DISTANCE BETWEEN ANY POINT ON THE CAM AND THE CORRESPONDING POINT ON THE INNER SURFACE OF SAID CASING REMAINS CONSTANT; SAID PLURALITY OF VANES BEING ATTACHED TO SAID DISC RADIALLY FROM THE CENTER OF SAID DISC AND SPACED APART FROM ONE ANOTHER; EACH OF SAID VANES HAVING THEREIN A SECOND SHAFT EXTENDING FROM A FIRST END THEREOF AND WHICH SLIDABLY ENGAGES SAID AT LEAST ONE CAM CAUSING RECIPROCAL AXIAL MOVEMENT OF SAID SECOND SHAFT; THE OTHER END OF EACH OF SAID VANES SLIDABLY PRESSING AGAINST THE INNER SURFACE OF SAID CASING; SUCCESSIVE COMPARTMENTS BEING BOUNDED BY SAID CASING, SAID DISC AND SUCCESSIVE VANES.
Claim 2
Dependent Claim
284 words
AN INTERNAL COMBUSTION ENGINE COMPRISING A DISC HAVING A PLURALITY OF VANES ATTACHED THERETO, A FIRST SHAFT HAVING AT LEAST ONE CAM THEREON, A CASING HAVING AN ECCENTRICALLY SHAPED INNER SURFACE, ACTIVATING MEANS AND MEANS FOR DRAWING OFF POWER GENERATED BY SAID ENGINE; SAID CASING BEING ECCENTRICALLY SHAPED TO FORM A PLURALITY OF COMPARTMENTS IN INDIVIDUAL ONES OF WHICH ARE PERFORMED THE INTAKE, COMPRESSION, COMBUSTION AND EXHAUSTION FUNCTIONS OF SAID ENGINE; SAID FIRST SHAFT BEING POSITIONED WITHIN SAID CASING AND BEING MOUNTED STATIONARY WITH RESPECT TO SAID CASING; SAID DISC BEING COMPRISED OF A FIRST AND A SECOND SIDE; SAID DISC BEING ROTATABLY MOUNTED WITH RESPECT TO SAID FIRST SHAFT; SAID FIRST SHAFT BEING POSITIONED BETWEEN SAID SIDES OF SAID DISC; SAID AT LEAST ONE CAM BEING FIXEDLY MOUNTED ON SAID FIRST SHAFT BETWEEN SAID FIRST AND SAID SECOND SIDES OF SAID DISC; SAID AT LEAST ONE CAM HAVING CONTOURS PROPORTIONAL IN SIZE AND LOCATION TO THE CONTOURS OF SAID INNER SURFACE OF SAID ECCENTRICALLY SHAPED CASING; SAID AT LEAST ONE CAM BEING POSITIONED ON SAID FIRST SHAFT SO THAT THE DISTANCE BETWEEN ANY POINT ON THE CAM AND THE CORRESPONDING POINT ON THE INNER SURFACE OF SAID CASING REMAINS CONSTANT; SAID PLURALITY OF VANES BEING ATTACHED TO SAID DISC RADIALLY FROM THE CENTER OF SAID DISC AND SPACED APART FROM ONE ANOTHER; EACH OF SAID VANES HAVING THEREIN A SECOND SHAFT EXTENDING FROM A FIRST END THEREOF AND WHICH SLIDABLY ENGAGES SAID AT LEAST ONE CAM CAUSING RECIPROCAL AXIAL MOVEMENT OF SAID SECOND SHAFT; THE OTHER END OF EACH OF SAID VANES SLIDABLY PRESSING AGAINST THE INNER SURFACE OF SAID CASING; SUCCESSIVE COMPARTMENTS BEING BOUNDED BY SAID CASING, SAID DISC AND SUCCESSIVE VANES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |