Patent ID: 7428814
Filing Date: 2008-09-30
Classification: F01D,F02B,F05D,Y02T,Y10S

Abstract:
1. An exhaust-gas turbine assembly for use with a turbocharger, comprising: a turbine housing having an exhaust inlet side and an exhaust outlet side, the turbine housing receiving exhaust gases from an internal combustion engine through at least one exhaust gas inlet conduit on the exhaust inlet side of the housing; a plurality of nozzle rings, interchangeable with one another; one of the plurality of nozzle rings positioned in communication with at least one volute gas chamber encompassing the nozzle ring, the nozzle ring having a polar array of vanes extending therefrom, the vanes directing exhaust gases around or against a periphery of one or more turbine wheels to cause rotation of the one-or-more turbine wheels; a retainer ring, retaining the nozzle ring within the turbine housing; an exhaust gas outlet port positioned on the exhaust outlet side of the turbine housing, the exhaust gases passing through the exhaust gas outlet after passing around or against the periphery of the one or more turbine wheels; and the nozzle ring and the retainer ring being installable and removable through the exhaust gas outlet port on the exhaust outlet side of the turbine housing.