CPC F01D 17/00 (2013.01) [F01D 25/00 (2013.01); F02C 9/16 (2013.01); F02C 9/20 (2013.01)] | 16 Claims |
1. A turbine of an air cycle machine, comprising:
a housing;
an output shaft that spins about a spin axis;
a turbine disposed on the output shaft;
a first nozzle defining a first inlet area that is configured to direct a first flow into the housing, the first nozzle extending along a first axis that is disposed at a first meridional angle to the spin axis;
a second nozzle defining a second inlet area that differs from the first inlet area, the second nozzle is configured to direct a second flow into the housing to provide a mixed flow within the housing, the second nozzle extending along a second axis that is disposed at a second meridional angle to the spin axis, the second meridional angle differing from the first meridional angle; and
a control valve configured to open and close the second nozzle.
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