Axial flow turbine type rotor machine for elastic fluid operation
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United States of America Patent
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-
Mar 16, 2004
Grant Date -
N/A
app pub date -
Jun 13, 2002
filing date -
Dec 16, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An axial flow turbine machine intended for elastic fluid operation is provided which includes a rotor with two or more sections each carrying an array of radially directed drive blades, and a stator having a number of fluid inlet nozzles and one or more sections each carrying a circumferential array of guide vanes for directing motive fluid onto the drive blades. A rotor flow path is formed between every two adjacent drive blades in each rotor section and a stator flow path is formed between every two adjacent guide vanes in each stator section. A widened section is provided between the entrance section and the exit section of each rotor section flow path and each stator section flow path, such that the radial distance between the inner flow path defining surface and the outer flow path defining surface is larger in the widened section than in the exit section.
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