The high pressure pump bearing's lubrication

High pressure pump bearing is designed to evenly often contact, but contact part must always have the oil film forming. Lack of oil film, due to the metal contact parts of the overheating, burn occurs. So on the flexible bearing diameter do a helical oil groove. Within the pinion and gear mesh from part, because the oil into the gear requires considerable time, this part of the pressure is lower than the pressure of the pump suction chamber. If the bearing lubrication oil tank and the low voltage part are interlinked, the oil can mesh from bearing the lateral flow through the slot from the part. Bearing, in other words, is to use the pump suction side with low oil temperature, through the pinion and the gear mesh from the part of the negative pressure and forced lubrication.