Motor assembly and vacuum cleaner having the same

(19)

(11)

EP 1 726 244 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	14.11.2007 Bulletin 2007/46

(43)	Date of publication A2:
	29.11.2006 Bulletin 2006/48

(21)	Application number: 06290763.9

(22)	Date of filing: 11.05.2006

(51)

International Patent Classification (IPC):

A47L 9/00^(2006.01)

A47L 9/22^(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:

16.05.2005 KR 20050040917

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

(72)	Inventors:
	Oh, Hyun-Jun Gwangju-city (KR) Lee, Sung-Cheol Gwangsan-gu, Gwangju-city (KR) Song, Hwa-Gyu Gwangsan-gu, Gwangju-city (KR)

(74)	Representative: Habasque, Etienne J. Jean-François et al
	Cabinet Lavoix 2, Place d'Estienne d'Orves 75441 Paris Cédex 09 75441 Paris Cédex 09 (FR)

(54)	Motor assembly and vacuum cleaner having the same

(57) A motor assembly (100) includes: a suction motor (110); at least one inner casing (120) adapted to enclose at least a part of the suction motor (110); and at least one outer casing (130) configured to enclose at least a part of the at least one inner casing (120), wherein a diffusion passage (P1) is formed between the at least one inner casing (120) and the at least one outer casing (130) and has an average cross-section that gradually increases to allow air to diffuse therein.

Search report