US 11,808,163 B2
Turbine housing and turbocharger
Hikaru Sugiura, Tokyo (JP); Yuji Sasaki, Tokyo (JP); Kai Iijima, Tokyo (JP); Ryosuke Yumoto, Tokyo (JP); Tatsuya Fukui, Tokyo (JP); and Yoshihito Katsu, Tokyo (JP)
Assigned to IHI CORPORATION, Tokyo (JP)
Filed by IHI Corporation, Tokyo (JP)
Filed on Oct. 14, 2021, as Appl. No. 17/450,853.
Application 17/450,853 is a continuation of application No. PCT/JP2020/013439, filed on Mar. 25, 2020.
Claims priority of application No. 2019-078484 (JP), filed on Apr. 17, 2019.
Prior Publication US 2022/0034239 A1, Feb. 3, 2022
Int. Cl. F01D 25/26 (2006.01); F01D 9/02 (2006.01); F02B 33/32 (2006.01)
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
OG exemplary drawing
 
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.