Global Patent Index - EP 1774890 A3

EP 1774890 A3 20071212 - A multi cyclone dust collector for a vacuum cleaner

Title (en)

A multi cyclone dust collector for a vacuum cleaner

Title (de)

Multizyklon-Staubsammler für einen Staubsauger

Title (fr)

Collecteur poussière à cyclones multiples pour un aspirateur

Publication

EP 1774890 A3 20071212 (EN)

Application

EP 06291062 A 20060627

Priority

  • US 72560905 P 20051011
  • KR 20050102615 A 20051028
  • KR 20060011668 A 20060207

Abstract (en)

[origin: EP1774890A2] A multi-cyclone dust collector including at least one first cyclone (10) forcing contaminants-laden air that is entered into a lower portion (22) of the at least one first cyclone (10) to whirl so as to centrifugally separate contaminants from the contaminants-laden air; and at least one second cyclone (60) being disposed around the at least one first cyclone (10), the at least one second cyclone (60) forcing semi-clean air that is discharged from the at least one first cyclone (10) and is entered into a lower portion of the at least one second cyclone (60) to whirl so as to centrifugally separate fine contaminants from the air.

IPC 8 full level

A47L 9/16 (2006.01); B04C 5/13 (2006.01)

CPC (source: EP)

A47L 9/1625 (2013.01); A47L 9/1641 (2013.01); A47L 9/165 (2013.01); A47L 9/1658 (2013.01); A47L 9/1683 (2013.01); B04C 5/13 (2013.01); B04C 5/185 (2013.01); B04C 5/26 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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 state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1774890 A2 20070418; EP 1774890 A3 20071212; EP 1774890 B1 20130807

DOCDB simple family (application)

EP 06291062 A 20060627