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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.:

US 10729218 B1

PDFFull Text
Date of Patent:
Aug. 04, 2020

Filed:

Dec. 12, 2016

Motor and a handheld device having a motor

Applicant:

Dyson Technology Limited, Wiltshire, GB;

Inventors:

Matthew John Childe, Swindon, GB;

Simon Alexander Locke, Swindon, GB;

Martin Richard Harrex, Bristol, GB;

Assignee:

Dyson Technology Limited, Malmesbury, Wiltshire, GB;

Attorney:

Morrison & Foerster LLP

Primary Examiner:

Charles G Freay

Assistant Examiner:

Thomas Fink

Int. Cl.
CPC ...
F04D 25/06 (2006.01); A45D 20/12 (2006.01); H02K 7/14 (2006.01); H02K 5/173 (2006.01); H02K 5/24 (2006.01); A45D 20/00 (2006.01); F04D 29/053 (2006.01); F04D 29/056 (2006.01); F04D 29/32 (2006.01); F04D 29/38 (2006.01); H02K 1/12 (2006.01); H02K 1/27 (2006.01); H02K 5/06 (2006.01); H02K 7/08 (2006.01); F26B 21/00 (2006.01);
U.S. Cl.
CPC ...
A45D 20/12 (2013.01); A45D 20/00 (2013.01); F04D 25/06 (2013.01); F04D 29/053 (2013.01); F04D 29/056 (2013.01); F04D 29/329 (2013.01); F04D 29/38 (2013.01); H02K 1/12 (2013.01); H02K 1/2706 (2013.01); H02K 5/06 (2013.01); H02K 5/1735 (2013.01); H02K 5/24 (2013.01); H02K 7/08 (2013.01); H02K 7/14 (2013.01); F26B 21/003 (2013.01);
Abstract

A handheld device comprising a motor for generating an airflow through the device, the motor including: a frame for supporting a rotor assembly and a stator assembly, the frame including an inner wall and an outer wall and a plurality of diffuser vanes extending between the inner wall and outer wall; a rotor assembly including a shaft, a magnet, a bearing assembly and an impeller; and a stator assembly including a bobbin, a stator core and a winding wound around the bobbin; the frame being formed of zinc and the impeller being formed of aluminium.

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