Two-stroke engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8667933
SERIAL NO

13327054

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A two-stroke engine, comprising: a crankcase; a cylinder connected to said crankcase; a combustion chamber defined by a reciprocally mounted piston within said cylinder; a crankshaft mounted rotatably in said crankcase and drivingly connected with said piston; at least one overflow passage connecting the crankcase and the combustion chamber when the piston is positioned in the lower dead center region; a connecting stub attached to said cylinder which contains an intake passage that opens into the crankcase and supplies fuel and combustion air, said intake passage including therein an air-fuel mixture passage, wherein said connecting stub contains at least one section of the mixture passage; at least one fuel opening for supplying fuel into said mixture passage; and a guiding rib positioned within said connecting stub and oriented longitudinally in the mixture passage and protruding into the mixture passage.

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Patent Owner(s)

  • ANDREAS STIHL AG & CO. KG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grether, Michael Waiblingen, DE 13 32
Köhli, Robert Winnenden, DE 3 13
Kummermehr, Stefan Berglen, DE 9 57

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