| 摘要 |
PROBLEM TO BE SOLVED: To provide a turbocharger capable of preventing deposits from adhering in a diffuser passage.SOLUTION: A turbocharger 1 comprises a compressor housing 2 and a bearing housing 3. The compressor housing 2 has a diffuser surface 222, and the bearing housing 3 has an opposite surface 311. A protective layer 4 containing a diamond-like carbon or a diamond is formed on at least one of the diffuser surface 222 and the opposite surface 311. |
