The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2013
Filed:
Jun. 16, 2011
Richard David Nicolaou, Malmesbury, GB;
Thomas James Dunning Follows, Malmesbury, GB;
Ashley Walter Symes, Malmesbury, GB;
Richard David Nicolaou, Malmesbury, GB;
Thomas James Dunning Follows, Malmesbury, GB;
Ashley Walter Symes, Malmesbury, GB;
Dyson Technology Limited, Malmesbury, GB;
Abstract
A surface treating appliance includes a plurality of frusto-conical cyclones arranged in parallel. Each cyclone has a relatively wide, rigid frusto-conical portion and a relatively narrow, flexible frusto-conical portion connected to the relatively wide portion. The relatively wide portion includes at least one dirty air inlet, and the relatively narrow portion includes a dirt outlet. The relatively narrow portion vibrates during use of the appliance is dislodged dirt from the inner surface of the relatively narrow portion, the dislodged dirt being expelled from the dirt outlet.