Patent ID: 6889649

Claim:
A valve for opening and closing a pipe of an air intake system of a multicylinder internal combustion engine having a air distribution chamber and a plurality of individual intake pipes positioned next to one another and leading from the air distribution chamber to a flange attached to a cylinder head of the engine, said valve comprising a switching cylinder positioned in an individual intake pipe to close or open the individual intake pipe, wherein the switching cylinder is provided with a sealing system mounted so as to be radially moveable such that when the switching cylinder is in a closed position, the sealing system is extended radially outwardly and pressed against an inner wall of the pipe to form a seal, and when the switching cylinder is in an open position and while the switching cylinder is pivoting between the closed position and the open position, the sealing system is retracted radially inwardly to form a gap between the sealing system and the pipe inner wall.