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:
Oct. 02, 2001
Filed:
May. 12, 2000
Applicant:
Inventors:
Patricia Mary Elliott, Pudsey, GB;
Howard James Slater, Harrogate, GB;
Assignee:
Switched Reluctance Drives Limited, Harrogate, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 5/28 ; H02P 7/36 ;
U.S. Cl.
CPC ...
H02P 5/28 ; H02P 7/36 ;
Abstract
A switched reluctance drive is supplied from a supply. The excitation applied to the phase winding(s) has one or more gaps inserted so that, when the phase currents are summed, the resulting supply current has a reduced harmonic content. The supply may be alternating or direct.