Expansion turbine stage
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United States of America Patent
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-
Sep 27, 2005
Grant Date -
Nov 4, 2004
app pub date -
Feb 13, 2004
filing date -
Mar 12, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An expansion turbine stage for compressed gases has a housing and a turbine rotor. The housing has flow guide channels for feeding the compressed gas to the turbine rotor. The turbine rotor, which is over-mounted and has centripetal flow through it, is followed by an out-flow diffuser enclosed by the housing, to delay the cold expanded gas. The out-flow diffuser is arranged in a holder bore in the housing, as a separate component. For thermal insulation of the housing relative to the cold expanded gas stream, the out-flow diffuser is made of a non-metallic material having a low heat conductivity.
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