Global Patent Index - EP 2770166 B1

EP 2770166 B1 20170412 - Damper for compressor blade feet

Title (en)

Damper for compressor blade feet

Title (de)

Dämpfer für Kompressorschaufelfüsse

Title (fr)

Amortisseur pour pieds d'aubes de compresseur

Publication

EP 2770166 B1 20170412 (EN)

Application

EP 13156035 A 20130220

Priority

EP 13156035 A 20130220

Abstract (en)

[origin: EP2770166A1] Intermediate part (1) located in a circumferential groove (4) of a drum (6) where blades (2) are inserted, the intermediate part (1) being located between two adjacent compressor blades (2, 20) in a high pressure axial compressor, presenting in its rest position certain degree of pre-bending (A) provided by the elastic properties of the material of which the cited intermediate part (1) is made. The invention also refers to a gas turbine (100) with a high pressure axial compressor, such that an intermediate part (1) as cited above is located between each two adjacent compressor blades (2, 20).

IPC 8 full level

F01D 11/00 (2006.01); F01D 5/22 (2006.01); F01D 5/30 (2006.01)

CPC (source: EP)

F01D 5/22 (2013.01); F01D 5/3038 (2013.01); F01D 11/006 (2013.01); F05D 2250/71 (2013.01); F05D 2300/501 (2013.01)

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 2770166 A1 20140827; EP 2770166 B1 20170412

DOCDB simple family (application)

EP 13156035 A 20130220