Passenger car gasoline engine turbocharger bearing body
A technology of turbocharger and bearing body, applied in the direction of bearings, bearing cooling, bearing components, etc., can solve the problems of uneven cooling and poor cooling effect, and achieve the effect of obvious cooling effect, small space occupation, and rapid cooling effect.
Inactive Publication Date: 2018-03-30
NANTONG JIACHENG MACHINERY
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The invention discloses a passenger car gasoline engine turbocharger bearing body. The bearing body includes a bearing bulk, a thrust bearing oil inlet, a first annular cooling water cavity, a floating bearing oil inlet, a third annular cooling water cavity and a first cooling water inlet. A bearing bulk oil inlet is disposed above the bearing bulk, and the bearing bulk internally includes a thrust bearing, the right end of the thrust bearing oil inlet is connected to the bearing bulk oil inlet, a second annular cooling water cavity is disposed below the first annular cooling water cavity, theupper end of the floating bearing oil inlet is connected to the bearing bulk oil inlet, the left side of the third annular cooling water cavity is equipped with a return oil cavity, and a second cooling water outlet is disposed below the first cooling water inlet. The turbocharger bearing body provided by the invention is equipped with three cooling water cavities evenly distributed in the bearing bulk, uniform cooling can be achieved and the water feeding mode adopts the mode of feeding and discharging at the same time, the cooling water cavity close to the water inlet has large diameter width, local cooling is fast, and the cooling effect is obvious.
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