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.

Date of Patent:
Dec. 15, 2015

Filed:

Dec. 21, 2012
Applicant:

Dyson Technology Limited, Wiltshire, GB;

Inventor:

Michael James Peace, Malmesbury, GB;

Assignee:

Dyson Technology Limited, Malmesbury, Wiltshire, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/16 (2006.01); A47L 9/12 (2006.01);
U.S. Cl.
CPC ...
A47L 9/1633 (2013.01); A47L 9/127 (2013.01); A47L 9/165 (2013.01); A47L 9/1641 (2013.01); A47L 9/1658 (2013.01); A47L 9/1666 (2013.01);
Abstract

A vacuum cleaner comprising a cyclonic separating apparatus including a dirty air inlet, a main body connected to the cyclonic separating apparatus and a motor and fan unit for generating an airflow through the cyclonic separating apparatus from the dirty air inlet to a clean air outlet, wherein the cyclonic separating apparatus includes at least a first cyclonic cleaning stage and an elongate filter arranged fluidly downstream from the first cyclonic cleaning stage, the elongate filter being housed in a duct at least partially surrounded by the first cleaning stage, and wherein the filter comprises an inlet portion and a filter portion defining a generally tubular filter chamber, the inlet portion including one or more radially facing inlets to permit air to flow into the inlet portion in a radial direction from where the air flows from the inlet portion to the filter chamber in an axial direction.


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