Dust collecting apparatus for a vacuum cleaner and a vacuum...

Details Dust collecting apparatus for a vacuum cleaner and a vacuum... Dust collecting apparatus for a vacuum cleaner and a vacuum...

2006-07-20

2009-12-15

Hopkins, Robert A (Department: 1797)

Gas separation

With concentrate backflow or re-entrainment preventing means

C055S429000, C055S457000, C055SDIG030

Reexamination Certificate

active

07632327

ABSTRACT:
The vacuum cleaner includes a cyclone unit installed on a mount part on the vacuum cleaner housing; the cyclone unit includes a cyclone chamber formed on the inside of the cyclone unit to separate dust from drawn-in air, and an entrance connected to the first channel of the vacuum cleaner housing, leading drawn-in air into the cyclone chamber; the vacuum cleaner housing includes a fixing unit, which fixes the cyclone unit detachably in position on the mount part by raising a section of the cyclone unit; and the entrance to the cyclone unit is connected separatably to the exit to the first channel in the direction in which the cyclone unit is raised by the fixing unit.

REFERENCES:
patent: 4133658 (1979-01-01), Callewyn
patent: 2004/0025285 (2004-02-01), McCormick et al.
patent: 2004/0231091 (2004-11-01), Oh

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