US3314401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-stroke cycle rotary engine
Assignee: Motors Liquidation Co
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Filing: 1965-03-24
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Granted: 1967-04-18
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel B Kell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:29
CPC Classifications
F; F02; F02B; F02B53/00; F02B2053/005; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A TWO-STROKE CYCLE ROTARY ENGINE COMPRISING A CASING HAVING AN INWARDLY FACING PERIPHERAL WALL AND A PAIR OF AXIALLY SPACED OUTWARDLY FACING END WALLS CONNECTING WITH AND EXTENDING RADIALLY OUTWARDLY FROM SAID PERIPHERAL WALL, A ROTOR ROTATABLY RECEIVED IN SAID CASING AND INCLUDING A PISTON ADAPTED TO COOPERATE WITH SAID PERIPHERAL WALL TO FORM A PLURALITY OF COMBUSTION CHAMBERS THEREBETWEEN, SAID ROTOR FURTHER INCLUDING A PAIR OF END PLATES DISPOSED ONE AT EACH END OF SAID PISTON AND EXTENDING RADIALLY OUTWARDLY THEREOF INTO OVERLAPPING RELATIONSHIP WITH SAID END WALLS THEREBY CLOSING THE ENDS OF SAID COMBUSTION CHAMBERS, SAID PISTON BEING ADAPTED TO ROTATE ECCENTRICALLY WITHIN SAID PERIPHERAL WALL SO AS TO CAUSE THE VOLUME OF SAID COMBUSTION CHAMBERS TO BE SEQUENTIALLY INCREASED AND DECREASED IN A RATIO SUFFICIENT FOR INTERNAL COMBUSTION ENGINE OPERATION, INLET AND EXHAUST MEANS OPENING TO SAID END PLATES AND INLET AND EXHAUST PORTS IN SAID END PLATES AND ARRANGED TO COMMUNICATE EACH OF SAID COMBUSTION CHAMBERS WITH BOTH SAID INLET AND EXHAUST MEANS DURING A PORTION OF EACH CYCLE NEAR THE MAXIMUM VOLUME CONDITION OF EACH SAID COMBUSTION CHAMBER.
Claim 2
Dependent Claim
183 words
A TWO-STROKE CYCLE ROTARY ENGINE COMPRISING A CASING HAVING AN INWARDLY FACING PERIPHERAL WALL AND A PAIR OF AXIALLY SPACED OUTWARDLY FACING END WALLS CONNECTING WITH AND EXTENDING RADIALLY OUTWARDLY FROM SAID PERIPHERAL WALL, A ROTOR ROTATABLY RECEIVED IN SAID CASING AND INCLUDING A PISTON ADAPTED TO COOPERATE WITH SAID PERIPHERAL WALL TO FORM A PLURALITY OF COMBUSTION CHAMBERS THEREBETWEEN, SAID ROTOR FURTHER INCLUDING A PAIR OF END PLATES DISPOSED ONE AT EACH END OF SAID PISTON AND EXTENDING RADIALLY OUTWARDLY THEREOF INTO OVERLAPPING RELATIONSHIP WITH SAID END WALLS THEREBY CLOSING THE ENDS OF SAID COMBUSTION CHAMBERS, SAID PISTON BEING ADAPTED TO ROTATE ECCENTRICALLY WITHIN SAID PERIPHERAL WALL SO AS TO CAUSE THE VOLUME OF SAID COMBUSTION CHAMBERS TO BE SEQUENTIALLY INCREASED AND DECREASED IN A RATIO SUFFICIENT FOR INTERNAL COMBUSTION ENGINE OPERATION, INLET AND EXHAUST MEANS OPENING TO SAID END PLATES AND INLET AND EXHAUST PORTS IN SAID END PLATES AND ARRANGED TO COMMUNICATE EACH OF SAID COMBUSTION CHAMBERS WITH BOTH SAID INLET AND EXHAUST MEANS DURING A PORTION OF EACH CYCLE NEAR THE MAXIMUM VOLUME CONDITION OF EACH SAID COMBUSTION CHAMBER.
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |