(19)
(11) EP 1 707 096 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.08.2007 Bulletin 2007/33

(43) Date of publication A2:
04.10.2006 Bulletin 2006/40

(21) Application number: 05292723.3

(22) Date of filing: 16.12.2005
(51) International Patent Classification (IPC): 
A47L 9/16(2006.01)
B04C 5/26(2006.01)
 B04C 5/04(2006.01)
B04C 5/28(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: 29.03.2005 US 666091 P
04.05.2005 KR 2005037703

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

(72) Inventors:
  • Oh, Jang-Keun
    Seo-gu - Gwangju-city (KR)
  • Han, Jung-gyun
    Sinchang-dong, Gwangsan-gu, Gwangju-city (KR)

(74) Representative: Blot, Philippe Robert Emile et al
Cabinet Lavoix 2, place d'Estienne d'Orves
75441 Paris Cedex 09
75441 Paris Cedex 09 (FR)

   


(54) Multi-cyclone dust collecting apparatus


(57) A multi-cyclone dust collecting apparatus with improved dust collecting efficiency and suction force is provided. The multi-cyclone dust collecting apparatus includes a first (100) and a second (200) multi-cyclone units having a first cyclone (110) which collects large particles of dust and a second cyclone (120) for collecting fine particles of dust; an air inlet (300) through which dust-laden air is separated and flowed into the first (100) and the second (200) multi-cyclone units, respectively; and an air outlet (400) through which air from the second cyclone (120) of the first (100) and the second (200) multi-cyclone units is gathered and externally discharged. Because air is branched off once it is drawn into a single gate and dust is separated from the drawn air simultaneously in the plurality of multi-cyclone dust collecting apparatuses, reduction of flow speed in the dust-laden air from the suction brush can be prevented.







Search report