Invention Grant
US08348595B2 Sealing system between bearing and compressor housing 有权
轴承和压缩机外壳之间的密封系统

Sealing system between bearing and compressor housing
Abstract:
A turbocharger oil discharge assembly (301, 501, 701, 901) can have a thrust collar (324, 524, 724, 924) with a first radially outwardly extending wall and a second radially outwardly extending wall to define a first annular channel. The first radially outwardly extending wall can have an annular flange that at least in part defines a second annular channel. The assembly can also have a thrust bearing (340, 540, 740, 940) having a radially inner end received in the first annular channel, and an insert (400, 600, 800, 1000). An oil collection chamber (440, 640, 840, 1040) can be defined at least in part by a drainage channel of the insert (400, 600, 800, 1000), the annular flange of the thrust collar (324, 524, 724, 924) and the thrust bearing (340, 540, 740, 940). Pressurized oil discharged from an oil release interface can be directed towards a radially outer region of the oil collection chamber (440, 640, 840, 1040) and can be collected in the oil collection chamber (440, 640, 840, 1040) for subsequent exhaust.
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