Abstract: A connector-equipped case that includes a case that includes a through hole; and a connector fixed to the case, the connector including: a core that supports a plurality of terminals; and a hood that is formed by forming a region around the through hole of the case and a portion of the core in one piece, wherein a constituent material of the hood is a resin composition containing polybutylene terephthalate and polyethylene terephthalate.

Abstract: A connector-equipped case that includes a case that includes a through hole; a connector fixed to the case, the connector including: a core that supports a plurality of terminals; and a hood that is formed by forming a region around the through hole of the case and a portion of the core in one piece; and an adhesive layer that is interposed between the case and the hood, wherein a constituent material of the adhesive layer is an adhesive that contains acrylic rubber.

Abstract: Provided is a core component having a powder compact and a resin-molded portion joined to each other. In a core component including a powder compact obtained by compression molding a raw material powder containing a soft magnetic powder and a resin-molded portion formed on the surface of the powder compact, and constituting a part of a magnetic core disposed inside and outside a coil included in a reactor, an intermediate layer formed of a silane coupling agent is provided between the powder compact and the resin-molded portion. The powder compact and the resin-molded portion can be bound to each other via the intermediate layer formed of the silane coupling agent. The silane coupling agent not only binds chemically to the surface of the powder compact but also binds chemically to the resin-molded portion, and therefore, the joining the powder compact and the resin-molded portion via the intermediate layer.

Abstract: Provided is a reactor including a coil that has wound portions formed by winding a winding wire, and a magnetic core that includes inner core portions arranged inside of the wound portions and outer core portions arranged outside of the wound portions. The reactor includes an outer resin portion covering at least outer surfaces of the outer core portions. A terminal platform is formed in one piece protruding on the outer surface of an outer resin portion among the outer resin portions and has fastening portions configured to fasten terminal fittings connected to end portions of the winding wire to terminals of an external wiring. A fixing portion is formed in one piece on the terminal platform and fixes the reactor to an installation target. The terminal platform and the fixing portion are integrated and the thickness of the terminal platform is less than that of the fixing portion.

Abstract: A reactor including: a coil that includes a winding portion; a magnetic core that includes an inner core portion that is disposed inside the winding portion and an outer core portion that is disposed outside the winding portion; and an outer interposed portion that is interposed between an end surface of the winding portion and an inner end surface of the outer core portion The winding portion includes a winding wire body and a fusing layer that is provided on an outer circumferential surface of the winding wire body and joins turns that are adjacent to each other, and the reactor further includes an adhesion prevention structure configured to prevent the end surface of the winding portion and the outer interposed portion from adhering to each other due to the fusing layer.

Abstract: A reactor including: a coil that includes a winding portion; a magnetic core that includes a plurality of core pieces that are located inside and outside the winding portion; an interposed member that is interposed between the coil and the magnetic core; and a resin mold portion that includes an outer covering portion that covers at least a portion of an outer core piece of the magnetic core, the outer core piece being located outside the winding portion. The interposed member includes an outer interposed portion that is interposed between an end surface of the winding portion and an inner end surface of the outer core piece, and the outer interposed portion has a hole on the outer core piece side, through which a portion of the inner end surface of the outer core piece is exposed from the resin mold portion.

Abstract: A reactor includes: a coil having winding portions; a magnetic core including inner core portions and a pair of outer core portions sandwiching the inner core portions; end surface interposed members including main body portions between end surfaces of the winding portions and outer core portions, and resin filling holes communicating with interiors of the winding portions; inner resin portions where spaces between inner circumferential surfaces of the winding portions and inner core portions are filled; and outer resin portions covering part of the outer core portions and are connected to the inner resin portions through the resin filling holes. At least one of the pair of outer core portions and an end surface interposed member are formed integrally. The end surface interposed member includes a core holding portion extending to the outer core portion side and interposed between the core holding member and the main body portion.

Abstract: Provided is a reactor in which it is possible to reduce molding failures in inner resin portions when molding the inner resin portions. A reactor includes: a coil having winding portions; and a magnetic core having inner core portions and outer core portions. The reactor further includes: inner resin portions that fill gaps between the winding portions and the inner core portions; and inner interposed members that are interposed between the winding portions and the inner core portions, and form resin flow paths. The inner interposed members have spacers arranged between the winding portions and the inner core portions. The spacers are provided with air discharge paths that are in communication with the resin flow paths, and extend in the axial direction of the winding portions to at least one end face side of the winding portions.

Abstract: A reactor has a coil and a loop-shaped magnetic core disposed extending inside and outside the coil. The coil has two winding portions that are disposed laterally side-by-side, and the magnetic core has two inner core portions that are disposed inside the winding portions, and two outer core portions that are disposed outside the winding portions and connect end portions of the two inner core portions. The reactor includes an inner resin portion obtained by filling a space between inner peripheral faces of the winding portions and the inner core portions, end face intervening members disposed between end faces of the winding portions and the outer core portions, and spacer pieces that are integrated with the end face intervening members and are disposed extending between an entirety of mutually opposing inward faces of the two winding portions.

Abstract: Provided is a reactor with enhanced strength. The reactor includes a coil, a magnetic core, an interposed member interposed between the coil and the magnetic core, and a resin mold portion. The interposed member includes a frame portion that has a first through hole, and a plate-shaped portion. The resin mold portion includes an interposed resin portion that is formed by a constituent resin of the resin mold portion being filled inside the first through hole, an inner side resin portion is formed by the constituent resin being filled inside a portion of a coil interior space, and an outer side resin portion. The plate-shaped portion includes an interposed wall portion, and a second through hole that is provided locally in a portion other than the interposed wall portion, and inside of which the constituent resin is filled.

Abstract: Provided is a reactor that includes: a coil provided with a wound portion that is obtained by winding a winding wire, and has an exposed region with which a liquid coolant comes into direct contact; a magnetic core that is arranged inside and outside the wound portion, and forms a closed magnetic circuit; a sensor member configured to measure the temperature of the coil, the sensor member including a rod-shaped sensor body portion attached to the exposed region of the wound portion, and a wire coupled to the sensor body portion; and a sensor cover portion that covers surfaces of the outer periphery of the sensor body portion, except for a mounting surface for mounting to the wound portion and at least part of a coupling surface to which the wire is coupled.

Abstract: A reactor including: a coil that includes a winding portion; a magnetic core that includes a plurality of core pieces that are located inside and outside the winding portion; an interposed member that is interposed between the coil and the magnetic core; and a resin mold portion that includes an outer covering portion that covers at least a portion of an outer core piece of the magnetic core, the outer core piece being located outside the winding portion. The interposed member includes an outer interposed portion that is interposed between an end surface of the winding portion and an inner end surface of the outer core piece, and the outer interposed portion has a hole on the outer core piece side, through which a portion of the inner end surface of the outer core piece is exposed from the resin mold portion.

Abstract: A reactor including: a coil including a winding portion formed by winding a winding wire; and a magnetic core that forms a closed magnetic circuit constituted by an inner core portion located inside the winding portion and an outer core portion located outside the winding portion. The reactor further includes an inner resin portion that fills a gap between the inner circumferential surface of the winding portion and the outer circumferential surface of the inner core portion, and when a side, of the outer core portion, that faces the inner core portion is defined as an inner side, and the opposite side is defined as an outer side, the outer core portion is provided with a through hole that is open to both the inner side and the outer side, and the through hole is filled with a portion of the inner resin portion.

Abstract: Provided is a reactor in which it is possible to reduce molding failures in inner resin portions when molding the inner resin portions. A reactor includes: a coil having winding portions; and a magnetic core having inner core portions and outer core portions. The reactor further includes: inner resin portions that fill gaps between the winding portions and the inner core portions; and inner interposed members that are interposed between the winding portions and the inner core portions, and form resin flow paths. The inner interposed members have spacers arranged between the winding portions and the inner core portions. The spacers are provided with air discharge paths that are in communication with the resin flow paths, and extend in the axial direction of the winding portions to at least one end face side of the winding portions.

Abstract: A reactor that includes a coil that includes a winding portion; a magnetic core that includes a plurality of core pieces that are located inside and outside the winding portion, and one or more gap portions that are interposed between core pieces that are adjacent to each other; an interposed member that is interposed between the coil and the magnetic core; and a resin mold portion that covers at least a portion of an outer circumferential surface of the magnetic core without covering an outer circumferential surface of the winding portion so that the outer circumferential surface of the winding portion is exposed.

Abstract: A reactor includes: a coil having winding portions; a magnetic core including inner core portions and a pair of outer core portions sandwiching the inner core portions; end surface interposed members including main body portions between end surfaces of the winding portions and outer core portions, and resin filling holes communicating with interiors of the winding portions; inner resin portions where spaces between inner circumferential surfaces of the winding portions and inner core portions are filled; and outer resin portions covering part of the outer core portions and are connected to the inner resin portions through the resin filling holes. At least one of the pair of outer core portions and an end surface interposed member are formed integrally. The end surface interposed member includes a core holding portion extending to the outer core portion side and interposed between the core holding member and the main body portion.

Abstract: Provided is a reactor having a coil including a winding portion; a magnetic core including an inner core portion and an outer core portion; an inner resin portion; an outer resin portion covering the outer core portion; an inner interposed member forming multiple resin flow paths between the winding portion and the inner core portion; an end surface interposed member has a through hole into which the inner core portion is inserted and a resin filling hole that is continuous in an axial direction of the coil with at least one flow path among the multiple resin flow paths. A gap plate is interposed between the outer core portion and the inner core portion such that a space between the flow path continuous with the resin filling hole and another flow path covered by the outer core portion among the plurality of resin flow paths is not blocked.

Abstract: Provided is a reactor with enhanced strength. The reactor includes a coil, a magnetic core, an interposed member interposed between the coil and the magnetic core, and a resin mold portion. The interposed member includes a frame portion that has a first through hole, and a plate-shaped portion. The resin mold portion includes an interposed resin portion that is formed by a constituent resin of the resin mold portion being filled inside the first through hole, an inner side resin portion is formed by the constituent resin being filled inside a portion of a coil interior space, and an outer side resin portion. The plate-shaped portion includes an interposed wall portion, and a second through hole that is provided locally in a portion other than the interposed wall portion, and inside of which the constituent resin is filled.

Abstract: Provided is a reactor including: a coil having winding portions formed by winding a wire; a magnetic core that forms a closed magnetic circuit with inner core portions arranged inside of the winding portions and outer core portions arranged outside of the winding portions; end surface interposed members that are interposed between axial direction end surfaces of the winding portions and the outer core portions; and an inner resin portion that fills spaces between inner circumferential surfaces of the winding portions and outer circumferential surfaces of the inner core portions, the end surface interposed members including turn storage portions that store at least a portion of turns of the axial direction end portions of the winding portions.

Abstract: Provided is a core component having a powder compact and a resin-molded portion joined to each other. In a core component including a powder compact obtained by compression molding a raw material powder containing a soft magnetic powder and a resin-molded portion formed on the surface of the powder compact, and constituting a part of a magnetic core disposed inside and outside a coil included in a reactor, an intermediate layer formed of a silane coupling agent is provided between the powder compact and the resin-molded portion. The powder compact and the resin-molded portion can be bound to each other via the intermediate layer formed of the silane coupling agent. The silane coupling agent not only binds chemically to the surface of the powder compact but also binds chemically to the resin-molded portion, and therefore, the joining the powder compact and the resin-molded portion via the intermediate layer.