Global Patent Index - EP 1512918 B1

EP 1512918 B1 20111026 - Axial flow fan

Title (en)

Axial flow fan

Title (de)

Axiallüftereinheit

Title (fr)

Ventilateur axial

Publication

EP 1512918 B1 20111026 (EN)

Application

EP 04077405 A 20040825

Priority

KR 20030062005 A 20030905

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 1/00 (2006.01); F24F 7/007 (2006.01)

CPC (source: EP KR US)

F04D 29/38 (2013.01 - KR); F04D 29/384 (2013.01 - EP US); F24F 1/38 (2013.01 - EP US); F24F 7/007 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR

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