This supercharger gas casing is provided with a scroll part in which a plurality of scroll flow paths are formed at the same positions in the axial direction of a turbine. The plurality of scroll flow paths include a first scroll flow path. The first scrol...

Provided is a uni-axial multi-stage radial gas expander which has a high degree of reliability and which can sufficiently cope with the conditions of a high pressure and a high pressure ratio. Two or more radial gas expander sections (11A, 11B) formed of t...

The invention recites a power turbine assembly including a turbine rotor and a plurality of turbine blades mounted to said rotor and adapted to rotate said rotor in response to a flow of hot gas over said blades. A support structure having a journal bearin...