Patent US3703153A successfully refreshed from Google Patents.
Patent US3301233A successfully refreshed from Google Patents.
US3301233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary type engine
Assignee: Duracell Inc USA
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Filing: 1965-01-07
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Granted: 1967-01-31
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Expires: 1985-01-07
Abstract
No abstract record available.
Inventors
- 👤 Gianni A Dotto
- 👤 Wallace L Linn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:31
CPC Classifications
F; F02; F02B; F02B53/00; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C1/3441; F01C1/352; F01C21/00; F01C21/04; F02B2730/00; F02B2730/01; F02B2730/012; F02B2730/013; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
A ROTARY INTERNAL COMBUSTION ENGINE COMPRISING: A HOLLOW CYLINDRICAL MEANS HAVING AN INNER WALL, THE AXIS OF SAID INNER WALL ECCENTRIC WITH SAID CYLINDRICAL MEANS; A CRANK MEANS MOUNTED IN SAID CYLINDRICAL MEANS; A ROTOR MEANS MOUNTED CONCENTRICALLY IN SAID CYLINDRICAL MEANS; A PLURALITY OF SEALING MEANS FIXEDLY CONNECTED TO SAID ROTOR MEANS AND OVERLYING EACH EXTREMITY OF SAID CYLINDRICAL MEANS; A WORK CHAMBER FORMED BY THE COOPERATIVE RELATIONSHIP OF SAID ROTOR MEANS AND SAID INNER WALL, SAID WORK CHAMBER HAVING A COMPRESSION SPACE, AN EXPLOSION SPACE, AND AN EXHAUST SPACE; A PLURALITY OF SPACED RADIAL SLOTS CARRIED BY SAID ROTOR MEANS; VANES SLIDABLY CARRIED IN SAID SLOTS, SAID VANES INCLUDING TIPS; MEANS ROTATABLY JOURNALLED TO SAID CRANK MEANS FOR MAINTAINING SAID TIPS OF SAID VANES SPACED FROM SAID INNER WALL; AN INLET MEANS COMMUNICATING WITH SAID COMPRESSION SPACE FOR ALLOWING AN EXPLOSIVE MIXTURE TO ENTER SAID COMPRESSION SPACE THROUGH SAID INLET MEANS, SAID MIXTURE COMPRESSED BY ROTATIONAL DISPLACEMENT OF SAID ROTOR MEANS AND SAID COOPERATIVELY ASSOCIATED VANES, FURTHER ROTATIONAL DISPLACEMENT OF SAID ROTOR MEANS AND SAID COOPERATIVELY ASSOCIATED VANES CAUSING SAID MIXTURE TO BE SLIGHTLY DECOMPRESSED AND IGNITED, SAID IGNITED MIXTURE EXPANDING CAUSING ADDITIONAL ROTATIONAL DISPLACEMENT OF SAID ROTOR MEANS AND SAID COOPERATIVELY ASSOCIATED VANES; AND AN OUTLET MEANS COMMUNICATING WITH SAID EXHAUST SPACE FOR SCAVENGING A RESIDUE OF SAID MIXTURE PRESENT WITHIN SAID EXHAUST SPACE.
Claim 2
Dependent Claim
227 words
A ROTARY INTERNAL COMBUSTION ENGINE COMPRISING: A HOLLOW CYLINDRICAL MEANS HAVING AN INNER WALL, THE AXIS OF SAID INNER WALL ECCENTRIC WITH SAID CYLINDRICAL MEANS; A CRANK MEANS MOUNTED IN SAID CYLINDRICAL MEANS; A ROTOR MEANS MOUNTED CONCENTRICALLY IN SAID CYLINDRICAL MEANS; A PLURALITY OF SEALING MEANS FIXEDLY CONNECTED TO SAID ROTOR MEANS AND OVERLYING EACH EXTREMITY OF SAID CYLINDRICAL MEANS; A WORK CHAMBER FORMED BY THE COOPERATIVE RELATIONSHIP OF SAID ROTOR MEANS AND SAID INNER WALL, SAID WORK CHAMBER HAVING A COMPRESSION SPACE, AN EXPLOSION SPACE, AND AN EXHAUST SPACE; A PLURALITY OF SPACED RADIAL SLOTS CARRIED BY SAID ROTOR MEANS; VANES SLIDABLY CARRIED IN SAID SLOTS, SAID VANES INCLUDING TIPS; MEANS ROTATABLY JOURNALLED TO SAID CRANK MEANS FOR MAINTAINING SAID TIPS OF SAID VANES SPACED FROM SAID INNER WALL; AN INLET MEANS COMMUNICATING WITH SAID COMPRESSION SPACE FOR ALLOWING AN EXPLOSIVE MIXTURE TO ENTER SAID COMPRESSION SPACE THROUGH SAID INLET MEANS, SAID MIXTURE COMPRESSED BY ROTATIONAL DISPLACEMENT OF SAID ROTOR MEANS AND SAID COOPERATIVELY ASSOCIATED VANES, FURTHER ROTATIONAL DISPLACEMENT OF SAID ROTOR MEANS AND SAID COOPERATIVELY ASSOCIATED VANES CAUSING SAID MIXTURE TO BE SLIGHTLY DECOMPRESSED AND IGNITED, SAID IGNITED MIXTURE EXPANDING CAUSING ADDITIONAL ROTATIONAL DISPLACEMENT OF SAID ROTOR MEANS AND SAID COOPERATIVELY ASSOCIATED VANES; AND AN OUTLET MEANS COMMUNICATING WITH SAID EXHAUST SPACE FOR SCAVENGING A RESIDUE OF SAID MIXTURE PRESENT WITHIN SAID EXHAUST SPACE.
References Cited (Backward Citations)
US2193178A
Cited
US1427692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |