Patent ID: 7104225
Filing Date: 2006-09-12
Classification: F01P

Abstract:
1. An internal combustion engine piston cooling nozzle comprising: a nozzle body with a peripheral wall around an axial bore containing valve means, a transverse bore communicating with the axial bore passing through the peripheral wall and being connected to a cooling fluid outlet duct, the nozzle body having a cylindrical inlet portion conformed to be inserted into a fluid feed orifice of an engine cylinder block, and a transverse fixing plate having a first hole into which the nozzle body is fixed, and having a laterally offset second hole opposite the transverse bore for a screw for fixing the nozzle to the engine cylinder block to pass through,  in which nozzle: at least around the transverse bore, the peripheral wall is thick, its thickness being greater than or equal to the diameter of the transverse bore, and the peripheral wall has a thinner portion diametrally opposite the transverse bore because of the presence of an external recess facing the second hole in the transverse fixing plate.