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. 12, 2013
Filed:
Apr. 12, 2011
Applicants:
Osmo Pasuri, Ojakkala, FI;
Ilkka Tunkkari, Espoo, FI;
Inventors:
Osmo Pasuri, Ojakkala, FI;
Ilkka Tunkkari, Espoo, FI;
Assignee:
ABB Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 1/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
An arrangement for controlling frequency converter modules of an electric drive. In the arrangement, the frequency converter modules are arranged to control alternatively a first motor or several motors having less power than the first motor.