CYCLONIC SEPARATION APPARATUS

A vacuum cleaner has a cyclonic separation apparatus which comprises a cyclone separation chamber 21. A shroud 22 of other filter device extends axially of the chamber 21 across a fluid outlet, the shroud 22 having an apertured filter surface which faces radially outwardly of the cyclone axis. A fil...

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Bibliographic Details
Main Author BIAN, Xiaolong
Format Patent
LanguageEnglish
French
German
Published 12.02.2020
Subjects
APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
DOMESTIC WASHING OR CLEANING
FURNITURE
HUMAN NECESSITIES
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
SPICE MILLS
SUCTION CLEANERS IN GENERAL
TRANSPORTING
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Summary:A vacuum cleaner has a cyclonic separation apparatus which comprises a cyclone separation chamber 21. A shroud 22 of other filter device extends axially of the chamber 21 across a fluid outlet, the shroud 22 having an apertured filter surface which faces radially outwardly of the cyclone axis. A filter cleaning device 30 is mounted inside the chamber 21 and comprises a plurality of fingers 32 which extend axially over the outer surface of the shroud 22 at respective circumferential positions. The fingers 32 each comprise projections 33 which extend radially outwardly. The cleaning device 30 is displaced axially of the shroud 22 when the chamber is emptied, thereby causing the finger projections 33 to move axially across the shroud 22 to pull away any accumulated hairs, fibres, filaments, or other elongate flexible elements.
Bibliography:Application Number: EP20180161491