COOLED PERFORATED TURBINE BLADE Russian patent published in 2015 - IPC F01D5/18

Abstract RU 2544916 C1

FIELD: machine building.

SUBSTANCE: cooled perforated turbine blade comprises a perforated shell with cooling holes of small diameter. Oval separating cavities are provided in the perforated shell of the blade at the holes, the oval width is equal to the hole diameter and the oval height is slightly greater than the hole diameter, the cavities are arranged so that the oval height is oriented in the radial direction.

EFFECT: invention improves the turbine blade cooling efficiency.

3 dwg

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RU 2 544 916 C1

Authors

Trushin Vladimir Alekseevich

Trushin Oleg Vladimirovich

Dates

2015-03-20—Published

2013-12-10—Filed