Two-stroke engine
AssigneeAndreas Stihl AG & Co. KG
InventorsSimon Hummel, Michael Grether, Lukas Dürrwächter, Marvin Wahl
Life of this patent
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AssigneeAndreas Stihl AG & Co. KG
InventorsSimon Hummel, Michael Grether, Lukas Dürrwächter, Marvin Wahl
Estimating the term…
A two-stroke engine has a cylinder in which a piston is mounted in a reciprocating manner. The piston delimits a combustion chamber in the cylinder. An air channel leads out at a cylinder bore of the cylinder via a channel opening. A transfer channel leads out at the cylinder bore via a transfer window and fluidically connects the crankcase interior to the combustion chamber in the region of the bottom dead center of the piston. The piston has a piston pocket connecting the air channel opening to the transfer window at least in the region of the top dead center. To ensure a sufficient fuel supply, the piston pocket has at least one section configured and arranged such that, during the downward stroke, a fluidic connection between the piston pocket and the air channel opening exists down to a crankshaft angle of at least 40° before bottom dead center.
A two-stroke engine comprising:
Dependencies are inferred from the claim text.