US 12,407,199 B2
Laminated core with segments and lamination welded together, laminations made from FeSi alloy and CoFe alloy
Niklas Volbers, Bruchköbel (DE)
Assigned to Vacuumschmelze GmbH & Co. KG, Hanau (DE)
Filed by Vacuumschmelze GmbH & Co. KG, Hanau (DE)
Filed on Sep. 29, 2021, as Appl. No. 17/488,903.
Claims priority of application No. 102020125897.6 (DE), filed on Oct. 2, 2020.
Prior Publication US 2022/0109335 A1, Apr. 7, 2022
Int. Cl. H02K 1/14 (2006.01); H01F 3/02 (2006.01); H01F 27/245 (2006.01); H01F 27/26 (2006.01)
CPC H02K 1/148 (2013.01) [H01F 3/02 (2013.01); H01F 27/245 (2013.01); H01F 27/263 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A laminated core, comprising
a plurality of segments,
the segments each comprising a plurality of soft magnetic lamination sheets that are stacked one on top of another in a direction of stacking and attached to one another by means of a welded connection to form a segment,
the lamination sheets of different segments being attached to one another by an adhesive connection only,
each of the segments having end faces, these end faces of neighboring segments being attached to one another by the adhesive connection only to form the laminated core,
the lamination sheets of at least one of the segments being formed of an FeSi alloy, and
the lamination sheets of at least one of the segments being formed of a CoFe alloy.