(19)
(11) EP 1 512 918 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.03.2010 Bulletin 2010/12

(43) Date of publication A2:
09.03.2005 Bulletin 2005/10

(21) Application number: 04077405.1

(22) Date of filing: 25.08.2004
(51) International Patent Classification (IPC): 
F24F 1/00(2006.01)
(84) Designated Contracting States:
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 States:
AL HR LT LV MK

(30) Priority: 05.09.2003 KR 2003062005

(71) Applicant: LG Electronics, Inc.
Seoul 150-875 (KR)

(72) Inventors:
  • Sim, Won Chin
    Gwangmyeng-gi Gyeonggi-do (KR)
  • Moon, Kee Chung
    Yongdungpo-gu Seoul (KR)

(74) Representative: Bergquist, Kjell Gunnar et al
Albihns.Zacco Torggatan 8 Box 142
401 22 Göteborg
401 22 Göteborg (SE)

   


(54) Axial flow fan


(57) 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.







Search report