| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a supercharger capable of maintaining performance of a rolling bearing in a simple structure and capable of enhancing cooling effect. <P>SOLUTION: A supercharger has a housing 40 and a turbine shaft 41 supported by rolling bearings 10a, 10b at a center hole 43 in the housing 40. Lubricating oil for the rolling bearings 10a, 10b is present only in the housing 40. A cooling water jacket 26 in the housing 40 is provided in a main body part 40a of the housing 40, from axial one end part 49 to the other end part 50. <P>COPYRIGHT: (C)2008,JPO&INPIT |
