REACTOR AND MANUFACTURING METHOD THEREOF

摘要

A reactor includes a coil and a core unit having partial cores butted against one another to form a closed magnetic path. The partial cores include a first partial core forming and a second partial core. The first partial core is inserted in the hollow of the coil. A pressed face of the first partial core is oriented orthogonal to the winding axis direction of the coil. The second partial core is butted against the first partial core. A pressed face of the second partial core is oriented orthogonal to a direction different from the winding axis direction. The pressed face of the second partial core is a substantially flat plane.

主权项

1. A method of manufacturing a reactor comprising a plurality of partial cores that form a closed magnetic path, the method comprising the steps of:
(a) pressing a material to shape a first partial core which forms a magnetic path passing through a hollow core-insertion part of a coil and which has a pressed face surface; (b) pressing a material in a predetermined direction to shape a second partial core which forms a magnetic path passing through an exterior of the hollow core-insertion part of the coil and which has a pressed face surface orthogonal to the predetermined press direction; (c) inserting the first partial core in the hollow core-insertion part of the coil such that the pressed face surface of the first partial core is oriented orthogonal to a winding axis direction of the coil; and (d) butting the second partial core against the first partial core disposed in the hollow core-insertion part of the coil to form the closed magnetic path.