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. 09, 2015
Filed:
Mar. 11, 2011
Applicants:
James H. Spreen, Huntington, IN (US);
Jonathan D. Northup, Fort Wayne, IN (US);
Inventors:
James H. Spreen, Huntington, IN (US);
Jonathan D. Northup, Fort Wayne, IN (US);
Assignee:
Franklin Electric Co., Inc., Fort Wayne, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 23/00 (2006.01);
U.S. Cl.
CPC ...
H02P 23/0077 (2013.01);
Abstract
This disclosure relates to a variable speed drive for driving a single phase motor. The variable speed drive generates enhanced motor voltages including harmonic components configured to reduce torque pulsations.