US3259113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary diesel engines
Assignee: Yanmar Co Ltd
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Filing: 1962-06-05
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Granted: 1966-07-05
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Expires: 1982-06-05
Abstract
No abstract record available.
Inventors
- 👤 Hamada Yoshitsugu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:53
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
207 words
A ROTARY DIESEL ENGINE COMPRISING, IN COMBINATION A FORE COMPRESSOR INCLUDING A FIRST HOUSING AND INNER PERIPHERAL WALL SURFACE OF APPROXIMATELY SINGLE-LORE EPITROCHOIDAL CONFIGURATION, A CRANKSHAFT JOURNALED IN SAID HOUSING AND HAVING A FIRST OFFSET PORTION, A FUSIFORM ROTOR OWN AXIS AT HALF THE SPEED OF SAID CRANK SHAFT AND HAVING TWO EDGE PORTIONS SLIDABLY CONTACTING SAID INNER PERIPHERAL TWO EDGE PORTIONS SLIDABLY CONTACTING SAID INNER PERIPHERAL WALL SURFACE, INTAKE AND OUTPUT OPENINGS IN SAID FIRST HOUSING; AND AN INTERNAL-COMBUSTION ENGINE BEING ARRANGED COAXIALLY AND CONTIGUOUS WITH SAID COMPRESSOR AND INCLUDING A SECOND HOUSING HAVING AN INNER PERIPHERAL WALL SURFACE OF APPROXIMATELY DOUBLE-LOBE EPITROCHOIDAL CONFIGURATION, A SECOND CRANK SHAFT JOUNRALLED IN SAID SECOND HOUSING AND HAVING A SECOND OFFSET PORTION, BOTH SAID CRANKSHAFT BEING INTEGRALLY CONNECTED, A GENERALLY TRIANGULAR ROTOR MOUNTED ON SAID SECOND OFFSET PORTION FOR ROTATION ON ITS OWN AXIS AT ONE-THIRD THE SPEEDM OF ROTATION OF SAID SECOND CRANKSHAFT AND HAVING THREE EDGE PORTION SLIDABLY CONTACTING SAID INNER PERIPHERAL WALL SURFACE OF THE SECOND HOUSING, INTAKE AND EXHAUST OPENINGS IN SAID HOUSING HOUSING SAID COMPRESSOR OUTPUT BEING CONNECTED TO THE INLET OF THE ENGINE SO THAT THE AIR TAKEN INTO THE ENGINE IS COMPRESSED TO A DEGREE SUFFICIENT FOR EEFFECTING IGNITION OF THE FUEL.
Claim 2
Dependent Claim
207 words
A ROTARY DIESEL ENGINE COMPRISING, IN COMBINATION A FORE COMPRESSOR INCLUDING A FIRST HOUSING AND INNER PERIPHERAL WALL SURFACE OF APPROXIMATELY SINGLE-LORE EPITROCHOIDAL CONFIGURATION, A CRANKSHAFT JOURNALED IN SAID HOUSING AND HAVING A FIRST OFFSET PORTION, A FUSIFORM ROTOR OWN AXIS AT HALF THE SPEED OF SAID CRANK SHAFT AND HAVING TWO EDGE PORTIONS SLIDABLY CONTACTING SAID INNER PERIPHERAL TWO EDGE PORTIONS SLIDABLY CONTACTING SAID INNER PERIPHERAL WALL SURFACE, INTAKE AND OUTPUT OPENINGS IN SAID FIRST HOUSING; AND AN INTERNAL-COMBUSTION ENGINE BEING ARRANGED COAXIALLY AND CONTIGUOUS WITH SAID COMPRESSOR AND INCLUDING A SECOND HOUSING HAVING AN INNER PERIPHERAL WALL SURFACE OF APPROXIMATELY DOUBLE-LOBE EPITROCHOIDAL CONFIGURATION, A SECOND CRANK SHAFT JOUNRALLED IN SAID SECOND HOUSING AND HAVING A SECOND OFFSET PORTION, BOTH SAID CRANKSHAFT BEING INTEGRALLY CONNECTED, A GENERALLY TRIANGULAR ROTOR MOUNTED ON SAID SECOND OFFSET PORTION FOR ROTATION ON ITS OWN AXIS AT ONE-THIRD THE SPEEDM OF ROTATION OF SAID SECOND CRANKSHAFT AND HAVING THREE EDGE PORTION SLIDABLY CONTACTING SAID INNER PERIPHERAL WALL SURFACE OF THE SECOND HOUSING, INTAKE AND EXHAUST OPENINGS IN SAID HOUSING HOUSING SAID COMPRESSOR OUTPUT BEING CONNECTED TO THE INLET OF THE ENGINE SO THAT THE AIR TAKEN INTO THE ENGINE IS COMPRESSED TO A DEGREE SUFFICIENT FOR EEFFECTING IGNITION OF THE FUEL.
References Cited (Backward Citations)
US1275619A
Cited
US1617863A
Cited
US1636486A
Cited
US1686569A
Cited
US1802887A
Cited
US1792026A
Cited
US2075561A
Cited
US2511441A
Cited
US2988065A
Cited
US2993482A
Cited
GB893325A
Cited
US3053238A
Cited
US3144006A
Cited
FR1287176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |