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. 20, 2017
Filed:
Jan. 12, 2009
Applicants:
Kais Atallah, Sheffield, GB;
Jan Jozef Rens, Sheffield, GB;
Inventors:
Kais Atallah, Sheffield, GB;
Jan Jozef Rens, Sheffield, GB;
Assignee:
Magnomatics Limited, Sheffield, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 49/10 (2006.01); H02K 51/00 (2006.01); H02K 49/06 (2006.01);
U.S. Cl.
CPC ...
H02K 49/102 (2013.01); H02K 51/00 (2013.01); H02K 49/06 (2013.01); H02K 49/10 (2013.01);
Abstract
A magnetic drive system comprising three members, a first and second of which form an input member and an output member each arranged to rotate relative to the third member, wherein two of the members have respective sets of permanent magnets, the two sets having different numbers of magnetic poles, and the other of the members comprises a cylindrical body having a plurality of pole pieces embedded therein, the pole pieces being arranged to modulate the magnetic field acting between the magnets, and wherein one of the pole pieces is of varying radial thickness.