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. 03, 2006
Filed:
Aug. 10, 2005
Applicant:
Lev Sorkin, Cranford, NJ (US);
Inventor:
Lev Sorkin, Cranford, NJ (US);
Assignee:
Innovative Power Solutions, LLC, Eatontown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/18 (2006.01); H02P 27/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus provide for: commutating windings of a polyphase machine such that electromagnetic fields of stator and rotor phases of the polyphase machine produce at least one of motoring and generating torque; providing a first rotor excitation voltage having substantially no DC component when a rotational speed of the polyphase machine is below a predetermined value; and providing a second rotor excitation voltage having a DC component when the rotational speed of the polyphase machine is above the predetermined value.