Assembly of a piston and an oil spray nozzle for an internal combustion engine
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United States of America Patent
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Apr 16, 2019
Grant Date -
Feb 2, 2017
app pub date -
Apr 9, 2015
filing date -
Apr 11, 2014
priority date (Note) -
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Abstract
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.
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