Patent ID: 8872610
Filing Date: 2014-10-28
Classification: G05F,H01F,H02M

Abstract:
1. A reactor including a magnetic core arranged inside and outside a coil, the reactor comprising: one coil formed by spirally winding a wire; an inner core portion constituting one part of the magnetic core and inserted within the coil; a resin molded portion made of an insulating resin and covering at least a part of a surface of the coil, and holding the coil and the inner core portion integrally with each other; and an outer core portion constituting the other part of the magnetic core and disposed around the coil to form a closed magnetic circuit in cooperation with the inner core portion, wherein the resin molded portion holds the coil in a state compressed from a free-length state, wherein at least a part of the outer core portion is made of a mixture containing magnetic powder and resin, wherein the coil is housed in a case such that an axis of the coil is positioned parallel to an outer bottom surface of a case, and wherein a coil groove is formed in an inner bottom surface of the case.