Vacuum cleaner impeller and motor assembly

(19)

(11)

EP 1 669 014 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	24.10.2007 Bulletin 2007/43

(43)	Date of publication A2:
	14.06.2006 Bulletin 2006/24

(21)	Application number: 05356169.2

(22)	Date of filing: 23.09.2005

(51)

International Patent Classification (IPC):

A47L 5/22^(2006.01)
F04D 25/08^(2006.01)

F04D 29/44^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK YU

(30)

Priority:

09.12.2004 KR 2004103355
23.02.2005 KR 2005015069

(71)	Applicant: Samsung Gwangju Electronics Co., Ltd.
	Gwangju-city (KR)

(72)	Inventors:
	Lee, Sung-cheol Gwangju-city (KR) Song, Hwa-gyu Gwangsan-gu Gwangju-city (KR) Oh, Hyun-jun Gwangju-city (KR) Lee, Myung-won Gwangju-city (KR)

(74)	Representative: Myon, Gérard Jean-Pierre et al
	Cabinet Lavoix Lyon 62, rue de Bonnel 69448 Lyon Cedex 03 69448 Lyon Cedex 03 (FR)

(54)	Vacuum cleaner impeller and motor assembly

(57) An impeller (110) reduces peak noise in the frequency range of 8~10khz and is constructed, in disclosed embodiments, with a lower plate (111) in a shape of a disk, an upper plate (112) spaced apart from the lower plate by a predetermined distance and having a diameter corresponding with a diameter of the lower plate and a central air inlet (115), and a plurality of air guide members (113) disposed radially between the lower plate and the upper plate having their outside corners chamfered.

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