US 12,438,405 B2
Segmented core with SMC sections with plurality of lamination groups having different sizes
Lei Tang, Jinhua (CN); and Yixiong Li, Jinhua (CN)
Assigned to ZHEJIANG PANGOOD POWER TECHNOLOGY CO., LTD., Jinhua (CN)
Filed by ZHEJIANG PANGOOD POWER TECHNOLOGY CO., LTD., Zhejiang (CN)
Filed on Dec. 22, 2023, as Appl. No. 18/393,691.
Application 18/393,691 is a continuation of application No. 17/272,038, granted, now 11,929,641, previously published as PCT/CN2019/100587, filed on Aug. 14, 2019.
Claims priority of application No. 201811008331.4 (CN), filed on Aug. 31, 2018; and application No. 201811008350.7 (CN), filed on Aug. 31, 2018.
Prior Publication US 2024/0128807 A1, Apr. 18, 2024
Int. Cl. H02K 1/14 (2006.01)
CPC H02K 1/148 (2013.01) 19 Claims
OG exemplary drawing
 
1. A segmented core, wherein the segmented core comprises a laminated core and an SMC (soft magnetic composite) core, the SMC core is coated on a periphery of the laminated core by splicing, and the SMC core is installed inside a prefabricated coil by splicing or a coil is directly wound around a periphery of the SMC core, wherein the laminated core is formed by a plurality of groups of laminations,
wherein all laminations in each of the plurality of groups have a same size, and laminations in different ones of the plurality of groups have different sizes,
wherein the SMC core comprises an SMC winding bar and an SMC embedded groove adapted to the laminated core,
wherein the SMC core is coated on at least an entire periphery of the laminated core except two ends of the laminated core, and
wherein the SMC embedded groove is provided with a plurality of steps.