Patent ID: 6550698
Filing Date: 2003-04-22
Classification: F01P,F16K

Abstract:
A nozzle spray valve for oil cooling of pistons in an internal combustion engine, comprising:a one-piece housing manufactured from a deep drawn thin-walled material defining an interior cavity, the housing having an external surface, an internal surface, and first and second end walls, the first end wall having a first, radially inwardly directed collar with an inner surface which forms a first valve seat, the second end wall having a second, radially inwardly directed collar with an inner surface, the collars being produced by flanging inwardly at approximately right angles from a generally sleeve-shaped sidewall, a valve body positioned in the interior cavity, and a spring positioned between the valve body and a support located on the inner surface of the second collar such that the valve body is biased to a closed position against the first valve seat against a flow-through direction of the valve, the support being formed as one piece with a spray nozzle, the support is formed of plastic and includes an annular projection extending along the internal surface of housing, the annular projection has a second valve seat formed in an opening direction of the valve body, the annular projection including longitudinally extending segment-like openings or longitudinal recesses which extend at least over a majority of a length of the annular projection.