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. 28, 2011
Filed:
Jun. 16, 2010
Applicants:
Daniel Gizaw, Belleville, MI (US);
David M. Erdman, Fort Wayne, IN (US);
Joseph E. Miller, Fort Wayne, IN (US);
Girma Desta, Suwanee, GA (US);
Inventors:
Daniel Gizaw, Belleville, MI (US);
David M. Erdman, Fort Wayne, IN (US);
Joseph E. Miller, Fort Wayne, IN (US);
Girma Desta, Suwanee, GA (US);
Assignee:
Danotek Motion Technologies, Canton, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 15/03 (2006.01); H02K 1/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for assembling a direct drive generator assembly includes the steps of placing a rotor over a stator, leaving a gap therebetween. A magnetic hub is assembled using adjacent columns of magnets having opposed orientation, and placed in the air gap. Application of an input torque to generate cogging torque in first direction that offsets coggery torque in second direction.