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:
Jun. 14, 2016
Filed:
Feb. 17, 2010
Applicants:
Stephen Greetham, Malmesbury, GB;
Andrew Charlton Clothier, Malmesbury, GB;
Inventors:
Stephen Greetham, Malmesbury, GB;
Andrew Charlton Clothier, Malmesbury, GB;
Assignee:
Dyson Technology Limited, Malmesbury, Wiltshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/08 (2006.01); H02K 1/14 (2006.01);
U.S. Cl.
CPC ...
H02K 1/143 (2013.01); H02K 1/08 (2013.01); H02K 1/146 (2013.01);
Abstract
An electric machine that includes a permanent-magnet rotor and a stator. The stator includes a plurality of poles, each pole having a leading edge and a trailing edge relative to the direction of rotation of the rotor. The leading edge of each pole is thicker than the trailing edge in a direction normal to the rotational axis of the rotor.