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:
Sep. 08, 2020
Filed:
Sep. 11, 2015
Robert Bosch Gmbh, Stuttgart, DE;
Marcus Alexander, Ludwigsburg, DE;
Arndt Kelleter, Erdmannhausen, DE;
Miguel Ruiz De Larramendi, Ludwigsburg, DE;
Patrick Heuser, Stuttgart, DE;
Mercedes Herranz Gracia, Forchheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to an electric asynchronous machine (), in particular an induction machine, comprising: —a cylindrical stator () with stator teeth () on a stator yoke (), wherein a ratio between a yoke height (hy) of the stator yoke () in the radial direction and a groove height (hn) of the stator grooves () in the radial direction ranges from 1.75 to 2.5; —a cylindrical rotor () with poles () on a rotor yoke which are defined by short-circuit windings in a rotor body (), wherein a ratio between the yoke height of the rotor body () in the radial direction and the groove height of the rotor grooves in the radial direction ranges from 2 to 2.75.