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. 01, 2011
Filed:
Sep. 29, 2009
Alexander Schwery, Kuettigen, CH;
Matthias Schmid, Birmenstorf AG, CH;
Josef Schwanda, Lupfig, CH;
Susanne Binder, Wettingen, CH;
Alexander Schwery, Kuettigen, CH;
Matthias Schmid, Birmenstorf AG, CH;
Josef Schwanda, Lupfig, CH;
Susanne Binder, Wettingen, CH;
Alstom Technology Ltd, Baden, CH;
Abstract
A rotor for an electric machine includes a rotor yoke having a plurality of axial winding slots distributed on an outer periphery of the rotor yoke; a winding bar disposed in one of the plurality of axial winding slots, the winding bar having at least one winding end emerging axially from the rotor yoke so as to form an end winding; and a retaining device including a plurality of radial bolts, each of the plurality of radial bolts having a head fixedly connected to a shank, wherein the retaining device retains the end winding against a centrifugal force acting on the end winding.