US 11,732,729 B2
Sheet metal turbine housing
Petr Balon, Pozorice (CZ); Philippe Renaud, Sanchey (FR); and Dusan Chadim, Brno (CZ)
Assigned to GARRETT TRANSPORTATION I INC, Torrance, CA (US)
Filed by Garrett Transportation I Inc, Torrance, CA (US)
Filed on Jan. 26, 2021, as Appl. No. 17/248,462.
Prior Publication US 2022/0235793 A1, Jul. 28, 2022
Int. Cl. F04D 29/42 (2006.01); F04D 17/00 (2006.01); F01D 25/24 (2006.01)
CPC F04D 29/4206 (2013.01) [F01D 25/24 (2013.01); F04D 17/00 (2013.01); F05D 2220/40 (2013.01); F05D 2230/54 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A turbine housing assembly comprising:
a bearing flange;
a tongue member directly coupled to the bearing flange, wherein a hermetic seal is established between the bearing flange and the tongue member;
a first sheet metal structure joined to the tongue member, the first sheet metal structure providing an inner contour of an inlet passage; and
a second sheet metal structure including an inlet portion providing an outer contour of the inlet passage and a volute portion providing an outer contour of a volute in fluid communication with the inlet passage, wherein:
the volute portion is joined to the tongue member to define the volute; and
the inlet portion of the second sheet metal structure is joined to the first sheet metal structure to define the inlet passage.