Title:
ターボ機械の動翼
Document Type and Number:
Japanese Patent JP7424893
Kind Code:
B2
Abstract:
A moving blade of a turbo machine, having a leading edge, a flow trailing edge, flow conduction faces, and a blade root mounting the moving blade to a hub body. The blade root is fir tree-like with projections spaced apart from one another. An inner shroud is arranged between the blade leaf and the blade root. A cooling passage is integrated in the blade leaf and the blade root for a cooling medium. An inlet of the cooling passage is formed on the blade root formed of a first inlet passage portion and a second inlet passage portion and a material web extends there between. The first inlet passage portion and the second inlet passage portion merge into a unifying passage portion arranged radially outside the uppermost projection of the blade root and radially inside of the inner shroud.
Inventors:
Torsten Paller
Dirk Frank
Dirk Frank
Application Number:
JP2020067546A
Publication Date:
January 30, 2024
Filing Date:
April 03, 2020
Export Citation:
Assignee:
MAN ENERGY SOLUTIONS SE
International Classes:
F01D5/18; F02C7/18
Domestic Patent References:
| JP2015025458A | ||||
| JP2012140932A |
Foreign References:
| WO2019002274A1 | ||||
| US20130343872 | ||||
| EP3232001A1 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Shinya Mihiro
Tatsuhiko Abe
Shinya Mihiro
Tatsuhiko Abe