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:
Apr. 21, 2015
Filed:
Feb. 20, 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 49/00 (2006.01); H02K 49/10 (2006.01); H02K 51/00 (2006.01); H02K 7/18 (2006.01);
U.S. Cl.
CPC ...
H02K 49/102 (2013.01); H02K 7/1838 (2013.01); H02K 51/00 (2013.01); Y02E 10/725 (2013.01);
Abstract
A magnetic gear comprising: a first movable member having a first set of magnetic poles, a second movable member having a second set of magnetic poles, and a third movable member having a set of pole pieces; wherein the first and second members have magnetic poles at different spacings and the pole pieces are arranged to modulate the magnetic field acting between the magnetic poles, and control means arranged to control rotation of one of the members so as to vary the gear ratio between the other two members.