| 摘要 |
Device to feed cooling and lubricating fluid to cooling and lubricating nozzles for the pistons of an internal combustion engine, having at least one valve with an upstream channel and a downstream channel, said valve having a blocking element able to move in a compartment to block an opening of a seat. The valve responds to the pressure of the cooling fluid by opening when the upstream pressure is greater than a threshold pressure and closing when the upstream pressure is less than the threshold pressure. A means of calibrated leakage connects the upstream channel to the downstream channel in parallel with the zone of closure of the valve.
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