US 12,476,032 B2
Inductive device
Pingchang Lin, Shenzhen (CN); Jian Wei, Shenzhen (CN); Jindi Liu, Shenzhen (CN); and Ping Zhang, Shenzhen (CN)
Assigned to SANTAK ELECTRONIC (SHENZHEN) CO., LTD., Shenzhen (CN)
Filed by SANTAK ELECTRONIC (SHENZHEN) CO., LTD., Shenzhen (CN)
Filed on May 3, 2021, as Appl. No. 17/246,963.
Claims priority of application No. 202020752366.5 (CN), filed on May 9, 2020.
Prior Publication US 2021/0350965 A1, Nov. 11, 2021
Int. Cl. H01F 27/28 (2006.01); H01F 17/04 (2006.01); H01F 27/29 (2006.01); H01F 27/32 (2006.01)
CPC H01F 17/045 (2013.01) [H01F 27/29 (2013.01); H01F 27/324 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An inductive device, comprising:
a columnar magnetic core provided with grooves along corners thereof;
a frame comprising a first frame and a second frame, wherein each of the first frame and the second frame comprises two embedded frame portions, wherein the two embedded frame portions of each of the first frame and the second frame are embedded in respective first and second adjacent ones of the grooves; and
an inductive coil wound on the columnar magnetic core and the embedded frame portions of the first frame and the second frame,
wherein each embedded frame portion of the first frame and the second frame comprises a respective arc-shaped panel and a respective plurality of sector-shaped transverse baffles fixed to the respective arc-shaped panel,
wherein each arc-shaped panel defines an arc-shaped outer side wall of a corresponding embedded frame portion, and
wherein each respective plurality of sector-shaped transverse baffles is embedded in a groove corresponding to the respective embedded frame portion and is arranged in parallel in lengthwise direction of the groove.