EP 2884115 B1 20190403 - Axial fan with blade leading edge that protrudes axially upstream of the hub and that includes a bend (kink) as seen in a radial direction perpendicular to the radial extension of the blade
Title (en)
Axial fan with blade leading edge that protrudes axially upstream of the hub and that includes a bend (kink) as seen in a radial direction perpendicular to the radial extension of the blade
Title (de)
Axiallüfter mit einer Schaufelvorderkante, die axial stromauf der Nabe herausragt und einen Knick aufweist, wenn die Schaufel in einer radialen Richtung senkrecht zur radialen Erstreckung der Schaufel gesehen wird
Title (fr)
Ventilateur axial avec un bord d'attaque d'aube s'étendant axialement à l'amont du moyeu et présentant un coude (pli) lorsque l'aube est vue dans une direction radiale orthogonale à la direction d'extension radiale de l'aube
Publication
Application
Priority
KR 20130154592 A 20131212
Abstract (en)
[origin: EP2884115A1] Provided is an axial fan. The axial fan includes a hub to which a central shaft is coupled and a plurality of blades coupled to the outside of the hub to rotate. The blade includes a hub connection part defining an end of the blade, the hub connection part being coupled to an outer circumferential surface portion of the hub, a tip defining the other end of the blade, a first wing part extending at a first preset gradient from the tip, and a second wing part extending from the first wing part towards the hub, the second wing part having a second preset gradient.
IPC 8 full level
F04D 29/38 (2006.01); F04D 29/32 (2006.01)
CPC (source: EP KR US)
F04D 19/00 (2013.01 - KR); F04D 19/002 (2013.01 - US); F04D 29/329 (2013.01 - EP US); F04D 29/38 (2013.01 - KR); F04D 29/384 (2013.01 - EP US); F04D 29/403 (2013.01 - US); F05D 2240/303 (2013.01 - EP US)
Citation (examination)
EP 2873867 A1 20150520 - MITSUBISHI ELECTRIC CORP [JP]
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 2884115 A1 20150617; EP 2884115 B1 20190403; ES 2731810 T3 20191119; KR 102200395 B1 20210108; KR 20150068665 A 20150622; US 2015167677 A1 20150618
DOCDB simple family (application)
EP 14197397 A 20141211; ES 14197397 T 20141211; KR 20130154592 A 20131212; US 201414568606 A 20141212