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:
Oct. 16, 2018

Filed:

Sep. 23, 2011
Applicants:

Timothy Nicholas Stickney, Malmesbury, GB;

Christopher Steven Hodgson, Malmesbury, GB;

James John Bryden, Malmesbury, GB;

Inventors:

Timothy Nicholas Stickney, Malmesbury, GB;

Christopher Steven Hodgson, Malmesbury, GB;

James John Bryden, Malmesbury, GB;

Assignee:

Dyson Technology Limited, Malmesbury, Wiltshire, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 19/00 (2006.01); F04D 25/08 (2006.01); F04D 29/54 (2006.01); F04D 29/60 (2006.01); F04F 5/16 (2006.01); F04F 5/46 (2006.01);
U.S. Cl.
CPC ...
F04D 19/002 (2013.01); F04D 25/08 (2013.01); F04D 29/541 (2013.01); F04D 29/601 (2013.01); F04F 5/16 (2013.01); F04F 5/461 (2013.01);
Abstract

A fan assembly includes a nozzle and a device for creating an air flow through the nozzle. The nozzle includes an interior passage, a mouth for receiving the air flow from the interior passage, and a Coanda surface located adjacent the mouth and over which the mouth is arranged to direct the air flow. The mouth and the Coanda surface extend about an axis. The Coanda surface comprises a diffuser portion, the angle subtended between the axis and the diffuser portion of the Coanda surface varying about the axis.


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