Abstract: A coil includes a first wound portion that is formed by helically winding a first wire and a second wound portion that is formed by helically winding a second wire electrically connected to the first wound portion and has an axis that is parallel to an axis of the first wound portion. The first wire has a larger cross-sectional area than the second wire, and the first wound portion has a smaller number of turns than the second wound portion.

Abstract: Provided is a reactor that can maintain the state of being fixed to an installation target, and whose magnetic core is difficult to damage. The reactor includes a combined body that includes: a coil; and a magnetic core that is located inside and outside the coil to form a closed magnetic circuit. An outer core portion of the magnetic core, the outer core portion, which is located outside the coil: is formed using a composite material that is a resin in which magnetic powder is dispersed; and is provided with bolt holes into which bolts for fixing the combined body to an installation target are inserted. The reactor further includes a flat plate member that is fastened to the outer core portion by the bolts, and is disposed such that the coil is exposed.

Abstract: A reactor that includes an assembly that includes a coil with a pair of winding portions that are arranged side by side, and a magnetic core; a sensor that acquires information regarding a physical value related to the reactor and outputs the information to an external device, and a sensor holder for fixing the sensor to the assembly, wherein the sensor holder is a member that is separate from the assembly.

Abstract: Provided is a reactor including: an assembly that has a coil that has a pair of winding portions that are arranged side by side, and a magnetic core; a base member that has a mount plate on which the assembly is mounted; and a sensor assembly that has a sensor main body that detects a physical value related to the reactor, and a wiring portion extending from the sensor main body. The reactor includes a wire catch member provided on the assembly or the base member, the wire catch member allowing a part of the wiring portion to be arranged thereon, and a cable tie for fixing the wiring portion to the wire catch member.

Abstract: Provided is a reactor in which an accessory member that is attached to the reactor is integrated with an assembly. The reactor includes an assembly of a coil having a winding portion and a magnetic core and an accessory member that is attached to the assembly. In this reactor, an outer core portion of the magnetic core is made of a composite material obtained by dispersing soft magnetic powder in a resin, the outer core portion protruding from the winding portion, and the accessory member includes an embedded portion that is embedded in the outer core portion and a functional portion that protrudes outward from the outer core portion.

Abstract: A reactor that includes a coil made of a wound coil wire; a magnetic core on which the coil is arranged, and that forms a closed magnetic path, wherein the magnetic core has an inner core section that is arranged on an inside of the coil; and a heat dissipating sheet that is interposed at least partially between an inner circumferential surface of the coil and an outer circumferential surface of the inner core section that is opposite to the inner circumferential surface of the coil, wherein the heat dissipating sheet is in contact with the coil and the inner core section.

Abstract: A reactor that can measure the temperature of the magnetic core is provided. The reactor includes an assembly having a magnetic core and a coil that has a winding portion, and a temperature sensor that measures the temperature of the reactor. The magnetic core has an inner core portion that is inserted into the winding portion, and a sensor disposition groove is formed in an outer peripheral face of the inner core portion and is disposed inside the winding portion. The temperature sensor is provided inside the sensor disposition groove. According to this configuration, it is possible to precisely measure the temperature of the magnetic core while the reactor is operating.

Abstract: Provided is a reactor having a small installation area, low loss, and excellent productivity. The reactor includes a coil having a pair of winding portions and that are arranged side by side, and a magnetic core having a U-shaped core piece that is part of a powder compact. The U-shaped core piece includes a side base that has a portion opposite the ends of the pair of winding portions and uncovered by the winding portions, and disposed across the pair of winding portions, a pair of middle portions that protrude from the side base and respectively disposed inside the pair of winding portions, and an end surface facing a gap, a side extension portion extending from the side base orthogonally from the middle portions, and a central protruding portion protruding from the side base's central region, and are arranged side by side, away from the middle portions.

Abstract: A reactor is provided that can reduce or alleviate stress that can be applied to a magnetic core, and also has excellent manufacturability, and a reactor manufacturing method is also provided. The reactor includes a coil and a magnetic core that includes a plurality of core pieces and a gap member that is interposed between at least one set of core pieces, the magnetic core forming a closed magnetic circuit when the coil becomes excited. At least one gap member is a resin foam gap member that includes, in a contact region that comes into contact with the core pieces, a resin foam portion constituted by resin foam.

Abstract: There is provided a composite material containing magnetic powder and a polymeric material including the powder in a dispersion state, wherein a content of the magnetic powder with respect to the whole composite material is more than 50% by volume and 75% by volume or less, a saturation magnetic flux density of the composite material is 0.6 T or more, and a relative magnetic permeability of the composite material is more than 20 and is 35 or less. It is preferable that a density ratio of the magnetic powder should be 0.38 or more and 0.65 or less. The density ratio is set to be an apparent density/a true density. Moreover, it is preferable that the magnetic powder should include a plurality of particles constituted of the same material.

Abstract: Provided is a reactor in which an accessory member that is attached to the reactor is integrated with an assembly. The reactor includes an assembly of a coil having a winding portion and a magnetic core and an accessory member that is attached to the assembly. In this reactor, an outer core portion of the magnetic core is made of a composite material obtained by dispersing soft magnetic powder in a resin, the outer core portion protruding from the winding portion, and the accessory member includes an embedded portion that is embedded in the outer core portion and a functional portion that protrudes outward from the outer core portion.

Abstract: Provided is a reactor that can maintain the state of being fixed to an installation target, and whose magnetic core is difficult to damage. The reactor includes a combined body that includes: a coil; and a magnetic core that is located inside and outside the coil to form a closed magnetic circuit. An outer core portion of the magnetic core, the outer core portion, which is located outside the coil: is formed using a composite material that is a resin in which magnetic powder is dispersed; and is provided with bolt holes into which bolts for fixing the combined body to an installation target are inserted. The reactor further includes a flat plate member that is fastened to the outer core portion by the bolts, and is disposed such that the coil is exposed.

Abstract: A reactor 1 of the present invention includes a coil 2 and a magnetic core 3 disposed inside and outside the coil 2 to form a closed magnetic path. At least part of the magnetic core 3 is made of a composite material containing a magnetic substance powder made of an identical material and a resin containing the powder being dispersed therein. In the particle size distribution of the magnetic substance powder, a plurality of peaks are present. That is, the magnetic substance powder contains both a fine powder and a coarse powder at high frequencies. Since the composite material contains the fine powder, it can reduce the eddy current loss, and hence achieves to be a low-loss material. Thanks to the mixed powder including the fine powder and the coarse powder, the packing density of the magnetic substance powder is increased. Thus, the composite material exhibits a high saturation magnetic flux density.

Abstract: A reactor that can measure the temperature of the magnetic core is provided. The reactor includes an assembly having a magnetic core and a coil that has a winding portion, and a temperature sensor that measures the temperature of the reactor. The magnetic core has an inner core portion that is inserted into the winding portion, and a sensor disposition groove is formed in an outer peripheral face of the inner core portion and is disposed inside the winding portion. The temperature sensor is provided inside the sensor disposition groove. According to this configuration, it is possible to precisely measure the temperature of the magnetic core while the reactor is operating.

Abstract: Provided is a reactor having a small installation area, low loss, and excellent productivity. The reactor includes a coil having a pair of winding portions and that are arranged side by side, and a magnetic core having a U-shaped core piece that is part of a powder compact. The U-shaped core piece includes a side base that has a portion opposite the ends of the pair of winding portions and uncovered by the winding portions, and disposed across the pair of winding portions, a pair of middle portions that protrude from the side base and respectively disposed inside the pair of winding portions, and an end surface facing a gap, a side extension portion extending from the side base orthogonally from the middle portions, and a central protruding portion protruding from the side base's central region, and are arranged side by side, away from the middle portions.

Abstract: A core member capable of favorably meeting required characteristics is provided. A core member according to the present invention is obtained by molding a mixture containing soft magnetic powder and a resin. This core member includes a specific portion including, as a specific surface, at least one of an installation surface facing an object on which the core member is to be installed and an interlinkage surface that is intersected by a magnetic flux excited by a coil, and an opposite surface on a side opposite to the specific surface. The specific portion has a higher density than a region of the opposite surface.

Abstract: In one general aspect, a computer-readable storage medium can be configured to store instructions that when executed cause one or more processors to perform a process. The process can include establishing at least a portion of a communication link between a computing device and a storage system operating within a cloud environment. The process can include accessing a user interface including a listing of files representing a plurality of files where at least a first portion of the plurality of files are stored in a local memory of the computing device and a second portion of the plurality of files are stored in the storage system.

Abstract: A reactor that includes a coil made of a wound coil wire; a magnetic core on which the coil is arranged, and that forms a closed magnetic path, wherein the magnetic core has an inner core section that is arranged on an inside of the coil; and a heat dissipating sheet that is interposed at least partially between an inner circumferential surface of the coil and an outer circumferential surface of the inner core section that is opposite to the inner circumferential surface of the coil, wherein the heat dissipating sheet is in contact with the coil and the inner core section.

Abstract: A reactor 1A of the present invention includes one coil 2 and a magnetic core 3. The coil 2 includes a turn portion 2t formed by a spirally wound wire 2w whose conductor is a rectangular wire, and draw-out portions 2d of the wire 2w drawn out from the turn portion 2t. The magnetic core 3 is disposed inside and outside the coil 2 to form a closed magnetic path. At least part of the outer circumference of each draw-out portion 2d is formed by a composite material containing magnetic substance powder and resin. The reactor 1A further includes a mold resin portion 21 that covers the outer circumference of the turn portion 2t and at least part of the draw-out portions 2d to retain the shape of the coil 2. In each corner portion region of the mold resin portion 21 covering corresponding corner portion of the wire 2w at each draw-out portion 2d, the outer circumferential face being brought into contact with the outer core portion 32 is formed by a curved surface.

Abstract: A reactor 1A of the present invention includes a sleeve-like coil 2, a magnetic core 3 disposed inside and outside the sleeve-like coil 2 to form a closed magnetic path, and a case 4A storing the coil 2 and the magnetic core 3. At least part of the magnetic core 3 (herein, an outer core portion 32 provided on the outer circumferential side of the coil 2) is formed by a composite material containing magnetic substance powder and resin. The case 4A is formed by a bottom plate portion 40 and a wall portion 41 each being an independent member. In the reactor 1A, the coil 2 and the bottom plate portion 40 that is made of a non-magnetic metal material are integrally retained by a resin mold portion 21 formed by an insulating resin. Since the resin mold portion 21 fixes the coil 2 and the bottom plate portion 40, the heat of the coil 2 can be efficiently transferred to the installation target. Accordingly, the reactor 1A has an excellent heat dissipating characteristic.