DEVICE FOR PLUGGING A BORE IN THE CYLINDER BLOCK OR CYLINDER HEAD OF AN INTERNAL COMBUSTION ENGINE

摘要

Device for plugging a bore in the cylinder block or cylinder head of an internal combustion engine, said bore communicating with the oil circuit of the engine. The device comprises a seal (2) having a base and a lateral skirt (4) which is in contact with the cylindrical lateral face (1a) of the bore. The invention is characterized in that the bore comprises an annular chamber (5) that partially surrounds the lateral skirt (4) of the seal (2).