Turbinenrotorschaufel mit Kühlung der Plattform

Details

Veröffentlichungs-Nr.

EP2610436

Aktenzeichen

EP12197045

Anmeldetag

13. Dezember 2012

Veröffentlichung

26. Februar 2020

Erteilung

26. Februar 2020

Rechtsraum

EP

IPC

F01D5/18

Abstract

A platform cooling arrangement in a turbine rotor blade (100) having a platform (110) at an interface between an airfoil (102) and a root (104), wherein the rotor blade (100) includes an interior cooling passage (116) formed therein, wherein, in operation, the interior cooling passage (116) comprises a high-pressure coolant region and a low-pressure coolant region, and wherein a suction side of the platform (110) comprises a topside (113) extending circumferentially from the airfoil (102) to a suction side slashface (122), and wherein the suction side (129) of the platform (110) comprises an aft edge (121). The platform cooling arrangement may include: a manifold (134) positioned within an aft side of the suction side (129) of the platform (110); a high-pressure connector (148) that connects the manifold (134) to the high-pressure coolant region of the interior cooling passage (116); a low-pressure connector (149) that connects the manifold (134) to the low-pressure coolant region of the interior cooling passage (116); and heat transfer structure positioned within the manifold (134).

Anmelder

Firma

General Electric Company

Land

🇺🇸 USA

Fachgebiete