EP 3574219 A1 20191204 - WHEEL BLADE FOR A TURBOMACHINE, COMPRISING A WINGLET AT ITS TIP AND AT THE LEADING EDGE
Title (en)
WHEEL BLADE FOR A TURBOMACHINE, COMPRISING A WINGLET AT ITS TIP AND AT THE LEADING EDGE
Title (de)
RADSCHAUFEL FÜR EINE TURBOMASCHINE MIT EINEM WINGLET AN DER SPITZE UND AN DER LEITKANTE
Title (fr)
PALE DE ROUET POUR TURBOMACHINE, COMPRENANT UNE AILERETTE A SON SOMMET ET AU BORD D'ATTAQUE
Publication
Application
Priority
- FR 1750685 A 20170127
- FR 2018050167 W 20180125
Abstract (en)
[origin: WO2018138438A1] The invention relates to a wheel blade (40) for a turbomachine compressor. The blade (40) comprises a body (41) extending between the root (P) of the blade in the direction of the height (Y-Y) of the blade. The body (41) extends from a leading-edge (BA) to a trailing edge (BF) in a direction of the camber line (S-S) of the blade. The blade (40) comprises a winglet (50) located in the extension of the body (41) in the direction of the height (Y-Y). The winglet (50) is located at the tip (S) of the blade and at the leading edge (BA) of the blade. The body (41) has a curvature oriented in a first direction of rotation with respect to the direction of the camber line (S-S), the winglet (50) having a curvature in a second direction of rotation counter to the first direction of rotation.
IPC 8 full level
F04D 17/06 (2006.01); F01D 5/04 (2006.01); F01D 5/14 (2006.01); F04D 17/10 (2006.01); F04D 29/30 (2006.01); F04D 29/68 (2006.01)
CPC (source: EP US)
F01D 5/04 (2013.01 - US); F04D 17/06 (2013.01 - EP US); F04D 17/10 (2013.01 - EP); F04D 29/30 (2013.01 - EP); F04D 29/68 (2013.01 - EP); F04D 29/30 (2013.01 - US); F04D 29/68 (2013.01 - US); F05D 2220/40 (2013.01 - EP US)
Citation (search report)
See references of WO 2018138438A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2018138438 A1 20180802; CA 3051802 A1 20180802; CN 110234886 A 20190913; EP 3574219 A1 20191204; FR 3062431 A1 20180803; FR 3062431 B1 20210101; US 11187234 B2 20211130; US 2020003219 A1 20200102
DOCDB simple family (application)
FR 2018050167 W 20180125; CA 3051802 A 20180125; CN 201880008848 A 20180125; EP 18702788 A 20180125; FR 1750685 A 20170127; US 201816480046 A 20180125