Gas turbine blade cooling structure
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United States of America Patent
Stats
-
Oct 6, 1981
Grant Date -
N/A
app pub date -
Sep 14, 1979
filing date -
Sep 14, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blade cooling construction comprising a cylindrical hollow and a nozzle, both of which are defined in and by the blade. The hollow and nozzle create a vortex of cooling gas introduced into the blade, which gas whirls about the axis of the hollow by tangentially injecting the cooling gas into the hollow through the nozzle. A portion of the cooling gas is lowered in temperature, and the other portion is raised in temperature. The lower temperature cooling gas is introduced first to a central portion of the blade height which is higher in temperature than the remaining portions of the blade. The higher temperature cooling gas is introduced to a lower temperature portion of the blade.
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