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US3301233A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary type engine

Assignee: Duracell Inc USA
•
Filing: 1965-01-07
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Granted: 1967-01-31
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Expires: 1985-01-07
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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

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