CPC B64D 13/06 (2013.01) [F04D 29/057 (2013.01); F04D 29/124 (2013.01); F04D 29/4206 (2013.01); F04D 29/584 (2013.01); B64D 2013/0618 (2013.01); B64D 2013/0648 (2013.01); F01D 25/24 (2013.01)] | 19 Claims |
1. A turbine housing for a two-wheel air cycle machine, the turbine housing comprising:
a first side of the turbine housing;
a second side of the turbine housing;
a central axis;
an outer housing portion comprising:
an inner surface of the outer housing portion;
an outer surface of the outer housing portion comprising:
a mounting flange;
a first parallel wall surface substantially parallel to the central axis with a first end and a second, the first end of the first parallel wall surface being connected to the mounting flange;
a frustoconical wall surface with a first end and a second end, the first end of the frustoconical wall surface being connected to the second end of the first parallel wall surface;
a second parallel wall surface substantially parallel to the central axis with a first end and a second end, the first end of the second parallel wall surface being connected to the second end of the frustoconical wall surface; and
mounting tabs extending from the outer surface of the outer housing portion at the second end of the second parallel wall surface;
a cooling inlet extending from the outer surface of the outer housing portion; and
a cooling outlet opposite the cooling inlet and extending from the outer surface of the outer housing portion;
an inner housing portion comprising:
a thrust bearing support surface substantially parallel to the second side of the turbine housing; and
a journal bearing bore extending between the first side of the turbine housing and the thrust bearing support surface;
a plurality of struts between the inner housing portion and the outer housing portion; and
a plurality of cooling slots between the plurality of struts.
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