20250230767. Two-stroke Engine (BRP-ROTAX & . KG)
TWO-STROKE ENGINE FOR A VEHICLE
Abstract: a two-stroke engine assembly includes an engine including an engine block; at least one cylinder formed by the engine block, a cylinder volume being defined by the at least one cylinder; a crankshaft disposed in the engine block; at least one piston disposed in the at least one cylinder; and a protrusion extending into the cylinder volume, the protrusion defining a lubrication groove therein, the lubrication groove being disposed between the crankshaft and the at least one piston; and a lubrication system providing oil to the engine, the lubrication groove being shaped and arranged to collect oil droplets pushed by air toward the at least one piston during operation and to redirect the oil droplets to at least one pre-determined location in the at least one cylinder.
Inventor(s): Roland ENNSMANN
CPC Classification: F02B75/02 (Engines characterised by their cycles, e.g. six-stroke)
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