Patents by Inventor Mark KEMPA

Mark KEMPA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11935680
    Abstract: A stator for an electric motor is provided, the stator comprising a hollow cylindrical stator yoke and comprising a stator star arranged within the stator yoke and including a plurality of radially outwardly extending stator teeth having tips contacting, in the assembled state, corresponding connection positions on the inner circumference of the stator yoke, wherein the stator yoke and the stator star are each formed by a laminated metal sheet pack, wherein the metal sheet pack of the stator star comprises sheet metal layers of stator sheets, closed in the circumferential direction, comprising stator teeth connected with each other via pole shoe bridges and sheet metal layers of individual stator teeth spaced with respect to each other in the circumferential direction. Each of the pole shoe bridges may have at least one material recess extending in the radial direction.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: March 19, 2024
    Assignee: Minebea Mitsumi Inc.
    Inventors: Karl-Heinz Glatz, Peter Würfel, Vladimir Popov, Mark Kempa, Peter Borsai
  • Publication number: 20220115174
    Abstract: A stator for an electric motor is provided, the stator comprising a hollow cylindrical stator yoke and comprising a stator star arranged within the stator yoke and including a plurality of radially outwardly extending stator teeth having tips contacting, in the assembled state, corresponding connection positions on the inner circumference of the stator yoke, wherein the stator yoke and the stator star are each formed by a laminated metal sheet pack, wherein the metal sheet pack of the stator star comprises sheet metal layers of stator sheets, closed in the circumferential direction, comprising stator teeth connected with each other via pole shoe bridges and sheet metal layers of individual stator teeth spaced with respect to each other in the circumferential direction. Each of the pole shoe bridges may have at least one material recess extending in the radial direction.
    Type: Application
    Filed: October 13, 2021
    Publication date: April 14, 2022
    Inventors: Karl-Heinz GLATZ, Peter WÜRFEL, Vladimir POPOV, Mark KEMPA, Peter BORSAI