Blade member and rotary machine

Blade member and rotary machine

The airfoil member of the present invention is provided with an airfoil body, an end wall which is installed at an end part of the airfoil body, a fillet portion which smoothly connects the end part of the airfoil body with the end wall, and a cooling channel which allows a cooling medium to circula...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KUWABARA MASAMITSU
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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Beschreibung
Zusammenfassung:The airfoil member of the present invention is provided with an airfoil body, an end wall which is installed at an end part of the airfoil body, a fillet portion which smoothly connects the end part of the airfoil body with the end wall, and a cooling channel which allows a cooling medium to circulate inside the airfoil body and the end wall and in which two main channels are connected so as to bend in a folding manner at a return channel. The return channel is formed so as to run along the fillet portion on a cross section intersecting with a center line of a profile of the airfoil body and also formed in such a manner that the width thereof in the profile thickness direction is greater than the width of the main channel in the profile thickness direction.