US 12,330,356 B2
Method and mold for manufacturing reactor
Shun Kishimoto, Miyoshi (JP); Ryo Yokozawa, Nisshin (JP); and Mitsuyasu Higano, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Dec. 9, 2022, as Appl. No. 18/063,783.
Claims priority of application No. 2022-003798 (JP), filed on Jan. 13, 2022.
Prior Publication US 2023/0219267 A1, Jul. 13, 2023
Int. Cl. B29C 45/27 (2006.01); B29C 45/14 (2006.01); H01F 41/00 (2006.01)
CPC B29C 45/2708 (2013.01) [B29C 45/14639 (2013.01); H01F 41/005 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A method for manufacturing a reactor, comprising:
assembling a core that is configured of a core center part and a pair of core leg parts extending outwardly from the core center part to a coil in such a way that the core center part is inserted into a hollow part of the coil and the coil is sandwiched between the core center part and the pair of the core leg parts; and
performing resin molding by disposing the coil and the core that are assembled inside a mold and pouring resin into the mold from a gate provided on the mold to the side which is closer to the coil than the core legs parts are while having an outer surface of each of the core leg parts supported by a support part provided on the mold, wherein
an outer peripheral flow channel through which the resin flows is formed between the outer surface of each of the core leg parts and an inner surface of the mold and an inner peripheral flow channel through which the resin flows is formed between an inner peripheral surface of each of the core leg parts and an outer peripheral surface of the coil, and
the mold has a blocking part that comes in contact with an upper end surface of a gate side of each of the core leg parts and blocks resin from flowing from the gate to the outer peripheral flow channel.