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:
Aug. 30, 2005
Filed:
May. 15, 2002
Applicants:
Charles Richard Elliott, Leeds, GB;
Michael Leo Mcclelland, Leeds, GB;
Inventors:
Charles Richard Elliott, Leeds, GB;
Michael Leo McClelland, Leeds, GB;
Assignee:
Switched Reluctance Drives Limited, Harrogate, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P001/46 ; H02P003/18 ; H02P005/28 ; H02P007/36 ;
U.S. Cl.
CPC ...
Abstract
An electrical machine is coupled to a load which has a torque profile which varies with angle. The machine is coupled so that the torque ripple of the machine is synchronized with the torque ripple of the load in such a manner as to provide an efficient drive system which can start at any angular position. This allows the size of the electrical machine to be reduced to a point where its average torque may be below the peak requirement of the load.