EP 3368774 B1 20231129 - FAN WHEEL AND FAN
Title (en)
FAN WHEEL AND FAN
Title (de)
VENTILATORRAD UND VENTILATOR
Title (fr)
ROUE DE VENTILATEUR ET VENTILATEUR
Publication
Application
Priority
- DE 102015118387 A 20151028
- EP 2016074568 W 20161013
Abstract (en)
[origin: WO2017071963A1] A fan wheel designed as a radial fan wheel or diagonal fan wheel, having a multiplicity of fan blades which are distributed about an axial axis of rotation, having a cover disc which is of arcuate form in radial section and which lies with its bottom side at least in sections on axial face sides of the fan blades and which has an inlet opening around the axis of rotation, wherein the cover disc which is of arcuate form in radial section has a radial inner section, in which an angle tangent to a radial plane of the fan wheel is greater than 45°, and an outer section, which adjoins the inner section in the radial direction, characterized in that, in the inner section, on the top side, which is situated opposite the bottom side, of the cover disc, there is arranged at least one air-guiding element which projects radially and axially from the top side of the cover disc and which has a guide surface pointing in a circumferential direction.
IPC 8 full level
F04D 29/28 (2006.01); F04D 29/16 (2006.01)
CPC (source: EP)
F04D 29/162 (2013.01); F04D 29/281 (2013.01); F04D 29/282 (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)
WO 2017071963 A1 20170504; CN 205298054 U 20160608; DE 102015118387 A1 20170504; EP 3368774 A1 20180905; EP 3368774 B1 20231129
DOCDB simple family (application)
EP 2016074568 W 20161013; CN 201520996796 U 20151203; DE 102015118387 A 20151028; EP 16781434 A 20161013