| 摘要 |
PROBLEM TO BE SOLVED: To provide a turbine housing which can reduce pressure loss of exhaust gas in a closed state of a wastegate valve, and to provide a turbocharger.SOLUTION: A turbine housing includes: a main passage 23 in which a turbine is housed; a wastegate passage 30 bypassing the main passage 23; and an outlet part 25 having a recess 26 with a bottom surface 27 to which an outlet 24 of the main passage 23 and an outlet 31 of the wastegate passage 30 are opened. A partition wall 38 is formed to the outlet part 25 to partition the recess 26 into a first chamber 36 provided with the outlet 24 of the main passage 23 and a second chamber 37 provided with the outlet 31 of the wastegate passage 30. A communication hole 40 is formed to the partition wall 38 to connect the first chamber 36 with the second chamber 37. |
