ASSEMBLY OF A PISTON AND AN OIL SPRAY NOZZLE FOR AN INTERNAL COMBUSTION ENGINE

摘要

An assembly for cooling oil for an internal combustion engine may include a piston having a piston head and a piston skirt. The piston head may include a piston crown with an undersurface having an outer region configured as a guiding surface for the cooling oil, a circumferential ring part, and, in a region of the circumferential ring part, a circumferential cooling channel with at least one feed opening for the cooling oil. The assembly may also include a first oil spray nozzle for creating a first cooling oil jet directed at the feed opening, and a second oil spray nozzle for creating a second cooling oil jet directed at the guiding surface such that the second cooling oil jet may deflect and flow along the guiding surface in a direction of the undersurface. At least the first oil spray nozzle may be positioned below the piston skirt.

主权项

1. An assembly for cooling oil for an internal combustion engine, comprising:
a piston having a piston head and a piston skirt, the piston head including a piston crown with an undersurface having an outer region configured as a guiding surface for the cooling oil, a circumferential ring part, and in a region of the circumferential ring part a circumferential cooling channel with at least one feed opening for the cooling oil; a first oil spray nozzle for creating a first cooling oil jet directed at the at least one feed opening; and a second oil spray nozzle for creating a second cooling oil jet directed at the guiding surface so that the second cooling oil jet impinges on a defined starting point such that it is deflected, proceeding from the defined starting point, in a direction of the guiding surface and a resulting cooling oil flow streams along the guiding surface in a direction of the undersurface of the piston crown; wherein at least the first oil spray nozzle is positioned below the piston skirt.