IMPELLER FOR TURBINE
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United States of America Patent
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N/A
Issued Date -
Oct 20, 2011
app pub date -
Jun 15, 2009
filing date -
Nov 28, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An impeller for a turbine includes an impeller body formed by alternately stacking and fixing two or more types of disk blades, a base plate, and a rotating shaft. A plurality of pressed vane sections projecting from one surface are formed on the base plate of each disk blade, and recessed spaces are formed in the pressed vane sections, respectively. The projecting rear sections of the pressed vane sections are affixed to the other surface of the base plate of the adjacent disk blade, and disposed in the recessed spaces of the pressed vane sections of the adjacent disk blade in the mutually crossing direction. A part of a working gas is moved in the recessed spaces, and moved forward in the rotating direction over the projecting rear sections.
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