CPC F01N 3/2066 (2013.01) [F01D 25/24 (2013.01); F01D 25/30 (2013.01); F01D 25/305 (2013.01); F01N 3/20 (2013.01); F02C 6/12 (2013.01); B33Y 10/00 (2014.12); B33Y 50/00 (2014.12); B33Y 80/00 (2014.12); F01N 2340/06 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1453 (2013.01); F05D 2220/40 (2013.01); F05D 2240/12 (2013.01); F05D 2270/08 (2013.01)] | 21 Claims |
1. An adapter element for a turbine, the adapter element defining a longitudinal axis and comprising:
a first connection portion disposed proximate a first, inlet end of the adapter element, configured to engage the turbine;
a second connection portion disposed proximate a second, outlet end of the adapter element, configured to engage a conduit;
an outer wall that extends between the first and second connection portions, the outer wall defining an inner surface and an outer surface; and
a dosing structure configured to receive, and expel, reductant;
wherein a cross-sectional area of a flow passage defined by the adapter element, normal to the longitudinal axis, is greater at the second end than at the first end of the adapter element.
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