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:
Nov. 29, 2011
Filed:
Dec. 16, 2010
Applicants:
Michal-wolfgang Waszak, Munich, DE;
Jan Hemmelmann, Munich, DE;
Inventors:
Michal-Wolfgang Waszak, Munich, DE;
Jan Hemmelmann, Munich, DE;
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F03D 9/00 (2006.01); H02P 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A variable speed machine assembly includes an input shaft, a variable speed magnetically geared generator coupled to the input shaft, an electrical machine coupled to the input shaft, and a power converter coupled to the variable speed magnetically geared generator and the electrical machine. The power converter is configured to use electrical power output by the electrical machine to control a frequency of power output by the variable speed magnetically geared generator.