Engine-control valve with improved operation

摘要: The invention relates to an engine-control valve having a body defining inner channel and including flap ( 10 ) pivotably mounted by pin 12 ), said first portion 11 being capable of pivoting between open position enabling gas flow into the channel, closed preventing flow, in which engages with planar seal 1 inserted two elements body, outer contour surrounding on outside opening 6 solid 3 blocking when is position, one 20 provided supporting projection 21 positioned such as be contact ).