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US 2013/0219654 A1Published application
Dirt cup with secondary cyclonic cleaning chambers
AssigneePanasonic Corporation of North America
InventorBrian K. Ruben
Life of this patent
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Abstract
A vacuum cleaner has a body including a nozzle assembly and a handle assembly. A suction generator and a dirt collection vessel are both carried on the body. The dirt collection vessel includes a dirt cup having a side wall and a bottom wall, a tangentially directed inlet in the side wall and an axially directed outlet. An inside surface of the side wall includes ribbing to help remove dirt and debris from the airstream and improve vacuum cleaner performance and efficiency.
Claims24
A vacuum cleaner, comprising:
- a body including a nozzle assembly and a handle assembly;
- a suction generator carried on said body;
- and
- a dirt collection vessel carried on said body said dirt collection vessel including a dirt cup having a sidewall and a bottom wall, a tangentially directed inlet in said sidewall and an axially directed outlet, an inside surface of said sidewall including ribbing.
1 more element
Dependencies are inferred from the claim text.