Abstract: A magnet fixing method includes heating a rotor core. The magnet fixing method also includes inserting one or more of magnets, to which fixing sheets are bonded, into the uppermost one or more of slots with the rotor core being rotatably supported by a rotating jig such that openings of the slots face sideways. The magnet fixing method also includes fixing each magnet to the corresponding slot by heating a foam layer to foam the foam layer. The inserting one or more of magnets includes inserting the magnets into all the slots by repeating insertion of one or more of the magnets into the corresponding one or more of the slots with the associated one or more of the fixing sheets facing upward, and rotation of the rotor core.

Abstract: A fluorine-containing elastomer composition for a heat dissipation material, including a fluorine-containing elastomer being VdF-based fluoroelastomer having a Mooney viscosity at 121° C. of 10 or lower and an insulating thermal conductive filler. Also disclosed is a sheet obtained by molding the fluorine-containing elastomer composition.

Abstract: A noise filter (10) is equipped with a plurality of conductors (20) having respective winding portions (21) and a ring-shaped core (30) which is inserted through the winding portions of the a plurality of conductors and made of a magnetic material. The ring-shaped core is composed of a pair of divisional cores (41) and (42) which are combined together by joining each pair of joining surfaces (43) and (44), located at each end, of the pair of divisional cores and. The one divisional core is straight and is inserted through the winding portions of the a plurality of conductors. The other divisional core has partition walls (45) each of which is located between adjacent ones of the a plurality of conductors, projects toward the one divisional core, and serves to form a magnetic path between the partition wall and the one divisional core.

Abstract: A surge voltage reduction member includes a tubular magnetic body having a through-hole and at least one coil wire. The coil wire is inserted through the through-hole and has a winding portion which is winded around a portion of the magnetic body. The coil wire is formed by connecting a bent coil element wire and a straight coil element wire. Where the coil wire has two or more bent coil element wires, the winding portion is formed by connecting the through-hole passing portion of one of adjacent bent coil element wires to the outside passing portion of the other of the adjacent bent coil element wires and connecting the outside passing portion of the one of the adjacent bent coil element wires to the straight coil element wire.

Abstract: A surge voltage reducing member includes: a magnetic body including a long-side portion and short-side portions continuously formed at both ends of the long-side portion in a longitudinal direction; and a plurality of conductive paths wound around the long-side portion. Each of the conductive paths is wound in parallel along the longitudinal direction of the long-side portion.

Abstract: A fluorine-containing elastomer composition for a heat dissipation material, including a fluorine-containing elastomer being VdF-based fluoroelastomer having a Mooney viscosity at 121° C. of 10 or lower and an insulating thermal conductive filler. Also disclosed is a sheet obtained by molding the fluorine-containing elastomer composition.

Abstract: A noise filter (10) used for a plurality of conducting members (20), the noise filter includes, a ring-shaped core (30) made from a magnetic material, the ring-shaped core is attached to the plurality of conducting members to reduce noise of currents flowing through each of the plurality of the conducting members. The ring-shaped core including: a base core (41) having a plurality of support pillar portions (42) extending outward in radial directions; and a plurality of divisional cores (45) each being placed between two of the plurality of the support pillar portions adjacent to each other in the circumferential direction, and each having two end surfaces connected to end portions of the two of the plurality of the support pillar portions.

Abstract: A wire harness includes: a wire part including a plurality of electric wires gathered in a same direction; and a shield member which collectively surrounds an outer periphery of the wire part. The shield member is disposed to be interposed between adjacent electric wires of the plurality of electric wires in the wire part. The adjacent electric wires in the wire part are arranged at a predetermined interval such that a predetermined value of electrostatic capacitance is established between the electric wires.

Abstract: A noise filter (10) is equipped with plural conductors (20) having respective winding portions (21) and a ring-shaped core which is inserted through the winding portions of the plural conductors and made of a magnetic material. The ring-shaped core has a core main body (40) having a pair of extension portions (41) and (42) that are connected to each other at one end and a link core (50) which is attached to the core main body at the other end and thereby connects the extension portions and. At least one of the extension portions and of the core main body is straight. The plural conductors are arranged in a row in a state that the straight extension portion is inserted through the winding portions of the plural conductors.

Abstract: A noise reduction unit (100) is equipped with a noise filter (10), a housing (80) which houses the noise filter, and a sealing material (90) which is charged in the housing. The noise filter is equipped with conductors (20) having respective winding portions (21) and a ring-shaped core (30) which is made of a magnetic material and is inserted through the winding portions of the conductors. In the housing, a mounting portion (83) for the ring-shaped core has recesses (84) that are recessed in a direction going away from the ring-shaped core and support portions (83b) that support the ring-shaped core so that gaps (S) are formed between the ring-shaped core and the bottom surfaces of the respective recesses. The sealing material goes into the gaps and comes into contact with both of the ring-shaped core and the bottom surfaces of the recesses in the mounting portion.

Abstract: A conductor unit includes: a plurality of conductors each including a conducting portion covered with an insulating coating; an annular core that includes a first core constituent portion and a second core constituent portion combined with the first core constituent portion, and that interposes the conductors between the first core constituent portion and the second core constituent portion; and a holding member that makes the first core constituent portion and the second core constituent portion press and hold the conductors therebetween.

Abstract: A wire harness includes: a wire part including a plurality of electric wires gathered in a same direction; and a shield member which collectively surrounds an outer periphery of the wire part. The shield member is disposed to be interposed between adjacent electric wires of the plurality of electric wires in the wire part. The adjacent electric wires in the wire part are arranged at a predetermined interval such that a predetermined value of electrostatic capacitance is established between the electric wires.

Abstract: A surge voltage reducing member includes: a magnetic body including a long-side portion and short-side portions continuously formed at both ends of the long-side portion in a longitudinal direction; and a plurality of conductive paths wound around the long-side portion. Each of the conductive paths is wound in parallel along the longitudinal direction of the long-side portion.

Abstract: A surge voltage reduction member includes a tubular magnetic body having a through-hole and at least one coil wire. The coil wire is inserted through the through-hole and has a winding portion which is winded around a portion of the magnetic body. The coil wire is formed by connecting a bent coil element wire and a straight coil element wire. Where the coil wire has two or more bent coil element wires, the winding portion is formed by connecting the through-hole passing portion of one of adjacent bent coil element wires to the outside passing portion of the other of the adjacent bent coil element wires and connecting the outside passing portion of the one of the adjacent bent coil element wires to the straight coil element wire.

Abstract: A noise filter (10) is equipped with a plurality of conductors (20) having respective winding portions (21) and a ring-shaped core (30) which is inserted through the winding portions of the a plurality of conductors and made of a magnetic material. The ring-shaped core is composed of a pair of divisional cores (41) and (42) which are combined together by joining each pair of joining surfaces (43) and (44), located at each end, of the pair of divisional cores and. The one divisional core is straight and is inserted through the winding portions of the a plurality of conductors. The other divisional core has partition walls (45) each of which is located between adjacent ones of the a plurality of conductors, projects toward the one divisional core, and serves to form a magnetic path between the partition wall and the one divisional core.

Abstract: A noise filter (10) used for a plurality of conducting members (20), the noise filter includes, a ring-shaped core (30) made from a magnetic material, the ring-shaped core is attached to the plurality of conducting members to reduce noise of currents flowing through each of the plurality of the conducting members. The ring-shaped core including: a base core (41) having a plurality of support pillar portions (42) extending outward in radial directions; and a plurality of divisional cores (45) each being placed between two of the plurality of the support pillar portions adjacent to each other in the circumferential direction, and each having two end surfaces connected to end portions of the two of the plurality of the support pillar portions.

Abstract: A noise reduction unit (100) is equipped with a noise filter (10), a housing (80) which houses the noise filter, and a sealing material (90) which is charged in the housing. The noise filter is equipped with conductors (20) having respective winding portions (21) and a ring-shaped core (30) which is made of a magnetic material and is inserted through the winding portions of the conductors. In the housing, a mounting portion (83) for the ring-shaped core has recesses (84) that are recessed in a direction going away from the ring-shaped core and support portions (83b) that support the ring-shaped core so that gaps (S) are formed between the ring-shaped core and the bottom surfaces of the respective recesses. The sealing material goes into the gaps and comes into contact with both of the ring-shaped core and the bottom surfaces of the recesses in the mounting portion.

Abstract: A noise filter (10) is equipped with plural conductors (20) having respective winding portions (21) and a ring-shaped core which is inserted through the winding portions of the plural conductors and made of a magnetic material. The ring-shaped core has a core main body (40) having a pair of extension portions (41) and (42) that are connected to each other at one end and a link core (50) which is attached to the core main body at the other end and thereby connects the extension portions and. At least one of the extension portions and of the core main body is straight. The plural conductors are arranged in a row in a state that the straight extension portion is inserted through the winding portions of the plural conductors.

Abstract: An electric wire holding member (20) includes: a main body portion (21) formed in a cylindrical shape having a central axis line (X1); a plurality of electric wire accommodating portions (22a, 22b, and 22c) provided to penetrate through the main body portion (21) along the central axis line (X1), respectively, and are formed to be capable of individually accommodating electric wires (3a, 3b, and 3c), respectively, the electric wire accommodating portions (22a, 22b, and 22c) being disposed along a circumferential direction around the central axis line (X1) at equal intervals in a cross section as viewed from an axial direction; and a space portion (23) formed between two electric wire accommodating portions adjacent to each other along the circumferential direction to penetrate through the main body portion (21) along the central axis line (X1).

Abstract: A conductor unit includes: a plurality of conductors each including a conducting portion covered with an insulating coating; an annular core that includes a first core constituent portion and a second core constituent portion combined with the first core constituent portion, and that interposes the conductors between the first core constituent portion and the second core constituent portion; and a holding member that makes the first core constituent portion and the second core constituent portion press and hold the conductors therebetween.