COOLING NOZZLE MOUNTING ARRANGEMENT

摘要

A cooling nozzle mounting arrangement comprising a cooling nozzle assembly (10) comprised of a mounting plate (12), a pin body (14), a nozzle tube (16) having an interior passage (35) wherein the nozzle tube (16) is mounted to the mounting plate (12) and pin body assembly (10), and an engine cylinder block (42) comprised (42) of a cylinder (44) with a piston assembly (46) disposed therein, the piston assembly (46) including a piston (48) and a connecting rod (50), whereby the nozzle tube (16) is disposed such that the flow of oil is directed through an access aperture (64) in the under-crown (66) of the piston (48) and into the interior of the piston (48), wherein the flow path intersects the piston (48) at different locations depending on the stroke position of the piston (48) within the cylinder (44) so that in a first stroke position, the flow path is directing oil into the access aperture (64) and into the interior of the piston (48) and in a second stroke position, the flow path does not intersect the access aperture (64) so oil is directed onto the underside of the under-crown (66) whereby the cooling nozzle assembly (10) serves to provide an intermittent flow of cooling oil to different parts of the piston (48) as it reciprocates within the cylinder (44).