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Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner

  • US 20020178699A1
  • Filed: 02/22/2002
  • Published: 12/05/2002
  • Est. Priority Date: 06/01/2001
  • Status: Active Grant
First Claim
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1. A grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner, disposed at an upper part of an air discharging passage of a cyclone body that generates whirling air current from the air drawn thereinto and separates filth from the drawn air by a centrifugal force of the whirling air current, the grill assembly preventing the filth from being drawn into a vacuum-generating device of the vacuum cleaner, and comprising:

  • a grill body; and

    a plurality of blades formed at a predetermined space for forming a passage along an outer circumference of the grill body, the passage formed at an acute angle with a stream line of the whirling air current, each blade including a protrusion member protruding from the outer circumference of the grill body to the outer part.

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