| 摘要 |
PROBLEM TO BE SOLVED: To provide a turbosupercharger prevented a turbine blade chamber from the leakage of oil for lubricating a turbine bearing part, even through the oil percolates in an axial direction due to the rotation of a turbine shaft. SOLUTION: An oil thrower chamber 9 forming a space around the turbine shaft 2 is provided between a bearing 6 and an oil seal 7 of the turbine shaft 2 in a case 1. A slinger 8 of approximately disc shape is disposed at the turbine shaft 2 in the oil thrower chamber 9, and a weir part 13 formed with a circular arc face shaped along and brought close to the outer peripheral surface of the slinger 8 is provided hanging down almost into a turbine axis position from the internal wall top part of the oil thrower chamber 9. Since the slinger 8 and the weir part 13 are in proximity, oil splashed by centrifugal force abuts against the weir part 13 and is discharged downward along the wall surface. The outflow of oil to a turbine blade chamber can thereby be prevented, and the decrease of oil and the generation of white smoke can be prevented.
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