CPC F01D 25/26 (2013.01) [F01D 9/026 (2013.01); F02B 33/32 (2013.01); F05D 2220/40 (2013.01); F05D 2260/231 (2013.01)] | 8 Claims |
1. A turbine housing comprising:
a first inner member;
a second inner member contacting with the first inner member;
a turbine scroll flow path enclosed and defined by the first inner member and the second inner member;
a first cast housing covering the first inner member at a side opposite to the second inner member;
a second cast housing covering the second inner member at a side opposite to the first inner member;
an aperture formed in one or both of the first cast housing and the second cast housing and including an opening that opens to an outside;
a tube member arranged in the aperture and defining an inlet flow path connected to the turbine scroll flow path; and
an inner opening defined by the first inner member and the second inner member and overlapping with one end of the tube member,
wherein the first inner member includes a first mating surface on a radially inner side and a second mating surface on a radially outer side, and
the first mating surface and the second mating surface mate with the second inner member at least partially around a circumference of the scroll flow path.
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