FIELD: engines and pumps.
SUBSTANCE: fuel vapours purging method means includes the steps of supplying fuel vapour to the engine through a storage tank containing activated carbon and a purging valve disposed between the engine and the storage tank and limiting the setting of the phases of the engine intake valves distribution before the setting of the distribution phases when the flow at an acoustic speed occurs between the storage tank and the engine, in response to the concentration of hydrocarbons flowing from the storage tank to the engine.
EFFECT: reducing the amount of fuel vapour accumulated in the tank and increasing the efficiency of the engine.
20 cl, 4 dwg
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