EP 3093500 A1 20161116 - CENTRIFUGAL FAN, AIR-CONDITIONING DEVICE, AND AIR-CLEANING DEVICE
Title (en)
CENTRIFUGAL FAN, AIR-CONDITIONING DEVICE, AND AIR-CLEANING DEVICE
Title (de)
ZENTRIFUGALGEBLÄSE, KLIMAANLAGE UND LUFTREINIGUNGSVORRICHTUNG
Title (fr)
VENTILATEUR CENTRIFUGE, DISPOSITIF DE CLIMATISATION, ET DISPOSITIF AUTO-NETTOYANT
Publication
Application
Priority
JP 2014050337 W 20140110
Abstract (en)
Provided is a centrifugal fan (3), including: a main plate (3b) ; a shroud (3g) ; and a plurality of blades (3a). The main plate (3b) includes a base (3cd), a hub (3c), and a guide portion (51). The hub (3c) projects toward the shroud (3g) in a central portion of the main plate (3cd). The base (3cd) is positioned on a periphery of the hub (3c). The guide portion (51) is positioned outside the hub (3c). The guide portion (51) includes a rotating wall (30) and an induction portion (31). The rotating wall (30) extends to be inclined with respect to a direction in which the base (3cd) extends when viewed in vertical section. The induction portion (31) is formed on an outer surface of the guide portion (51) on an upstream side of the rotating wall (30).
IPC 8 full level
F04D 29/58 (2006.01); F04D 29/28 (2006.01)
CPC (source: EP)
F04D 17/16 (2013.01); F04D 25/082 (2013.01); F04D 29/281 (2013.01); F04D 29/5806 (2013.01); F04D 29/684 (2013.01); F04D 25/12 (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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3093500 A1 20161116; EP 3093500 A4 20171220; EP 3093500 B1 20220323; JP 6211101 B2 20171011; JP WO2015104838 A1 20170323; WO 2015104838 A1 20150716
DOCDB simple family (application)
EP 14878132 A 20140110; JP 2014050337 W 20140110; JP 2015556695 A 20140110