Stroke of engine

June 1, 2018


Synopsis:

Two-stroke engine: combustion engine whose cycle (intake, compression, combustion and exhaust) requires one up-and-down movement of the piston. two-stroke-cycle engine cycle

exhaust/scavaging

Second stroke during which the piston is pushed back by the expansion of the burned gases, which are then expelled and replaced by the mixture coming from the crankcase.

combustion

End of the first stroke during which a spark ignites the air/fuel mixture.

intake port

Conduit through which the air/fuel mixture enters the crankcase.

exhaust port

Conduit through which the burned gases are expelled from the combustion chamber.

crankcase

Sealed enclosure where the air/fuel mixture enters and the piston/connecting rod moves.

transfer port

Conduit conducting the air/fuel mixture from the crankcase to the cylinder.

compression/intake

Beginning of the first stroke during which the piston moves up, drawing the air/fuel mixture into the crankcase and compressing the mixture in the cylinder.

spark plug

Electric device whose two electrodes produce the spark necessary to ignite the air/fuel mixture in the cylinder.
spark plug
Source: www.visualdictionaryonline.com
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