| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a turbocharger which suppresses a cleaning water from entering a bearing housing side through the back side of a turbine impeller and prevents the wear (damage) of a sealing part in the turbocharger where cleaning is performed. <P>SOLUTION: The turbocharger includes: the turbine impeller 13 provided at an rotation shaft; and a turbine housing for housing the turbine impeller 13. On the back surface 13a of the turbine impeller 13, an impeller stepped part 31 having a recess 33 oriented in an outer radial direction of the turbine impeller 13 is provided along in the circumferential direction of the turbine impeller 13. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
