Global Patent Index - EP 1512918 A3

EP 1512918 A3 20100324 - Axial flow fan

Title (en)

Axial flow fan

Title (de)

Axiallüftereinheit

Title (fr)

Ventilateur axial

Publication

EP 1512918 A3 (EN)

Application

EP 04077405 A

Priority

KR 20030062005 A

Abstract (en)

[origin: EP1512918A2] Disclosed is a axial flow fan of an outdoor unit of an air conditioner. The axial flow fan comprises a hub connected with a rotational shaft of a motor; and at least one blade contacting the hub, wherein the blade has a part from the hub to a predetermined portion of the blade among a whole part from the hub to an outer end of the blade, and t he other part from the predetermined portion of the blade to the outer end of the blade, t he part being equally applied at a predetermined rake angle, and the other part being rais ed in a direction of a pressure surface of the blade, and wherein a ratio of an inner diam eter and an outer diameter of the axial flow fan is between about 0.35 and about 0.4.

IPC 8 full level

F04D 29/38 (2006.01); F24F 7/007 (2006.01)

CPC (source: EP)

F04D 29/384 (2013.01); F24F 1/38 (2013.01); F24F 7/007 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL HR LT LV MK

DOCDB simple family (publication)

EP 1512918 A2 20050309; EP 1512918 A3 20100324; EP 1512918 B1 20111026; CN 100339601 C 20070926; CN 1590779 A 20050309; CN 1982729 A 20070620; JP 2005083386 A 20050331; KR 100547328 B1 20060126; KR 20050024158 A 20050310; US 2005053493 A1 20050310

DOCDB simple family (application)

EP 04077405 A 20040825; CN 200410064129 A 20040819; CN 200610172568 A 20040819; JP 2004258695 A 20040906; KR 20030062005 A 20030905; US 92949304 A 20040831