EP 3428402 B1 20201028 - VANE SEGMENT WITH CURVED RELIEF SLOT
Title (en)
VANE SEGMENT WITH CURVED RELIEF SLOT
Title (de)
LEITSCHAUFELSEGMENT MIT GEKRÜMMTER ENTLASTUNGSFUGE
Title (fr)
SEGMENT D'AUBE DIRECTRICE À JOINT DE DÉCHARGE COURBÉ
Publication
Application
Priority
DE 102017211866 A 20170711
Abstract (en)
[origin: US2019017397A1] The invention relates to a guide vane segment for aircraft gas turbine, which extend along a respective circular arc and together form an annular section, wherein, in the radial direction between the outer shroud and the inner shroud, a plurality of guide vanes are arranged adjacently in the peripheral direction, the outer shroud and the two sealing walls form a trough-like profile in longitudinal section, wherein, at the axially front or/and rear sealing wall element(s), at least one relief gap with a main section is provided, which extends substantially radially inward, starting from a radial outer edge of the respective front or/and rear sealing wall element(s) along the sealing wall element. According to the invention, it is proposed that the relief gap has at least one additional section that adjoins the main section radially inward, wherein the additional section is formed by at least one curved subsection.
IPC 8 full level
F01D 9/04 (2006.01); F01D 11/00 (2006.01)
CPC (source: EP US)
F01D 9/041 (2013.01 - EP US); F01D 11/005 (2013.01 - EP US); F05D 2220/32 (2013.01 - US); F05D 2240/55 (2013.01 - US); F05D 2240/80 (2013.01 - EP US); F05D 2260/941 (2013.01 - EP US)
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 3428402 A1 20190116; EP 3428402 B1 20201028; DE 102017211866 A1 20190117; ES 2836120 T3 20210624; US 10731489 B2 20200804; US 2019017397 A1 20190117
DOCDB simple family (application)
EP 18179434 A 20180625; DE 102017211866 A 20170711; ES 18179434 T 20180625; US 201816028749 A 20180706