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:
Jun. 21, 2022
Filed:
Feb. 27, 2017
Siemens Aktiengesellschaft, Munich, DE;
Richard H. Osman, Pittsburgh, PA (US);
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A system () for controlling a linear alternating current (AC) electrodynamic machine () includes a linear AC electrodynamic machine () with a stationary part () with a plurality of discrete stationary sections (), each stationary section () having a poly-phase circuit; a variable frequency drive (VFD) () configured to be coupled to a utility power source and to provide output currents, wherein the VFD () is operable coupled to the stationary part () of the linear AC electrodynamic machine () for powering and controlling the stationary sections () of the stationary part (); and a plurality of switches () coupled between the VFD () and the stationary part (), wherein the plurality of switches () allow connecting or disconnecting the VFD () to or from the stationary sections ().