Patent ID: 9540986
Date: 2017-01-10
CPC Classifications: F01L,F01M,F01P,F02B,F02F,G05D

Claim:
1. A control valve for a lubricant nozzle for cooling a piston of an internal combustion engine, having a housing with at least one passage opening through which lubricant can flow; a control part movable in a respective movement direction and which, forms an opening cross section with the passage opening as a function of a position of the control part relative to the passage opening, for at least partially opening up or for closing off the passage opening; and an actuation part that moves the control part as a function of a pressure of the lubricant between a first position in the presence of a first pressure, a second position in the presence of a second pressure and a third position in the presence of a third pressure of the lubricant, wherein the second pressure is higher than the first pressure and lower than the third pressure, wherein the opening cross section formed in the second position is larger than the opening cross sections in the first position and in the third position.