Patents by Inventor Frederic BÄCKER

Frederic BÄCKER 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: 11881350
    Abstract: A laminated core comprising a plurality of lamination sheets made of a soft magnetic alloy is provided. The lamination sheets have a main surface and a thickness d. The main surfaces of the lamination sheets are stacked one on top of another in a direction of stacking. Adjacent lamination sheets are joined to one another by a plurality of substance-to-substance joints, the joints being filler-free and entirely surrounded by the main surfaces of the adjacent lamination sheets.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: January 23, 2024
    Assignee: VACUUMSCHMELZE GMBH & CO. KG
    Inventors: Frederic Bäcker, Jens Diehl, Dominik Fackelmann
  • Publication number: 20210328484
    Abstract: A method for producing a laminated core is provided in which a plurality of lamination sheets is partially or completely separated from a strip made of a soft magnetic alloy by laser sublimation cutting, the lamination sheets each having a main surface and a thickness d. The main surface of a first of the lamination sheets is stacked on the main surface of a second of the lamination sheets in a direction of stacking and the main surfaces of the first and the second lamination sheets are substance-to-substance joined at a plurality of points by laser welding, a plurality of filler-free joints being formed between the between the first and the second lamination sheets and being entirely surrounded by the main surfaces of the first and the second lamination sheets.
    Type: Application
    Filed: February 2, 2021
    Publication date: October 21, 2021
    Inventors: Frederic BÄCKER, Jens DIEHL
  • Publication number: 20210241973
    Abstract: A laminated core comprising a plurality of lamination sheets made of a soft magnetic alloy is provided. The lamination sheets have a main surface and a thickness d. The main surfaces of the lamination sheets are stacked one on top of another in a direction of stacking. Adjacent lamination sheets are joined to one another by a plurality of substance-to-substance joints, the joints being filler-free and entirely surrounded by the main surfaces of the adjacent lamination sheets.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 5, 2021
    Inventors: Frederic BÄCKER, Jens DIEHL, Dominik FACKELMANN