Global Patent Index - EP 3495611 B1

EP 3495611 B1 20200729 - APPARATUS FOR CONTROLLED DELIVERY OF COOLING AIR TO TURBINE BLADES IN A GAS TURBINE

Title (en)

APPARATUS FOR CONTROLLED DELIVERY OF COOLING AIR TO TURBINE BLADES IN A GAS TURBINE

Title (de)

VORRICHTUNG ZUR KONTROLLIERTEN ABGABE VON KÜHLLUFT AN TURBINENSCHAUFELN IN EINER GASTURBINE

Title (fr)

APPAREIL D'ADMINISTRATION CONTRÔLÉE D'AIR DE REFROIDISSEMENT POUR AUBES DE TURBINE DANS UNE TURBINE À GAZ

Publication

EP 3495611 B1 20200729 (EN)

Application

EP 17205756 A 20171206

Priority

EP 17205756 A 20171206

Abstract (en)

[origin: EP3495611A1] An apparatus for controlled delivery of cooling air to turbine blades (5) in a gas turbine (1) including a rotor unit (4), at least a first and second row of turbine blades (5), a plurality of rotor heat shield elements (23) disposed in a circumferential row between the first and second rows of turbine blades (5) and configured to define with said rotor unit (4) a rotor heat shield passage (33, 34, 35, 36) that is fed with cooling air, and a plurality of lock plates (41, 42, 43) disposed in a circumferential row and configured to secure at least one of said first and second rows (6, 7, 8) of turbine blades (5) to the rotor unit (4), wherein a radial portion (28) of the rotor shield elements (23) and/or the lock plates (41, 42, 43) include at least one opening (49) for controlled flow of cooling air.

IPC 8 full level

F01D 5/08 (2006.01); F01D 11/00 (2006.01); F01D 25/08 (2006.01)

CPC (source: CN EP)

F01D 5/081 (2013.01 - CN); F01D 5/3015 (2013.01 - EP); F01D 11/001 (2013.01 - EP); F01D 5/081 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3495611 A1 20190612; EP 3495611 B1 20200729; CN 110017175 A 20190716; CN 110017175 B 20230804

DOCDB simple family (application)

EP 17205756 A 20171206; CN 201811488034 A 20181206