Turbine unit and VTG mechanism therefor
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United States of America Patent
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Jan 29, 2008
Grant Date -
Dec 6, 2007
app pub date -
Aug 26, 2003
filing date -
Aug 26, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A turbine unit having a rotor housing (2) having at least one admission channel (9) for a fluid, as well as a turbine rotor (4) which is supported in a turbine space (23) of the rotor housing (2) and wherein fluid is led into the turbine space (23) at its periphery through a VTG mechanism (5-8) of variable turbine geometry. The VTG mechanism (5-8) has a nozzle ring (6) having a plurality of vane shafts (8) which are arranged in the form of a crown on the nozzle ring (6) and which carry on one of their ends vanes (7) which can be moved from a substantially tangential position (relative to the crown) into a substantially radial position, as well as at least one control element (19) in order to pivot the orientation of the vanes (7).
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