| 摘要 |
PROBLEM TO BE SOLVED: To prevent a situation that a lubricant is accumulated in a clearance gap between a bearing housing and a heat shielding plate, and leaks outside of the bearing housing.SOLUTION: A supercharger includes a bearing housing 2, a turbine shaft 7, a bearing portion disposed in the bearing housing and rotatably journaling the turbine shaft, a lubricant supply portion for supplying a lubricant to the bearing portion, and a heat shielding plate 21 disposed between the bearing housing and a turbine impeller 8 while separating from the turbine impeller, and shieling radiation heat from a turbine impeller side to a bearing housing side. A projecting portion 26 projecting to a turbine impeller side with respect to the heat shielding plate, and guiding the lubricant flowing along the turbine impeller side from an insertion hole 2d to which the turbine shaft is inserted, to between the heat shielding plate and the turbine impeller, is disposed on an end face 2e at the turbine impeller side, of the bearing housing. |
