HOLLOW BLADE OF TURBOMACHINE Russian patent published in 2012 - IPC F01D5/18

Abstract RU 2439335 C1

FIELD: machine building.

SUBSTANCE: hollow blade of turbomachine includes hollow feather. In inner cavity of blade on the back or on the trough there are conical hollows with radius roundings. At that, height of hollow is 70…80% of blade wall thickness, radius of hollow is 0.3…2.0 mm, and rounding radius at the bottom of hollow is 0.3…3.0 mm.

EFFECT: improving reliability and simplifying the manufacture of hollow blade by additional attachment of ceramic rod.

3 dwg

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RU 2 439 335 C1

Authors

Fadeev Sergej Ivanovich

Sychev Vladimir Konstantinovich

Dates

2012-01-10—Published

2010-06-21—Filed