Abstract: A noise filter including a conductor and an annular core. The conductor has a wound portion. The annular core is formed of a magnetic material and passes through the wound portion. The annular core is formed of a pair of split cores that are assembled together with joining surfaces on both ends to be joined to each other. At least one of a recess portion and a projection portion that engage with each other is formed on the joining surfaces of the split cores which are joined to each other.

Abstract: A routing structure of electrical wires and a wire harness include multi-phase electrical wires and a magnetic core having a ring shape, around which the electrical wires are winded. The magnetic core has a division type in which the first component constituting a part of the ring shape, and the second component constituting a remaining part of the ring shape are connected. The electrical wires with all the phases may be winded around the first component.

Abstract: A connector includes a conductor, a noise filter part, an inner mold part, and a housing. The conductor has a terminal at one end and the other end of the conductor is connected to a wire. The connector is to be joined with a counterpart connector so that the terminal is in conduction with a terminal of the counterpart connector. The noise filter part includes a core attached to the conductor and formed of a magnetic member which reduces noise of a current flowing in the conductor. The inner mold part is integrally molded with the noise filter part so as to cover at least a periphery of the core and formed of a soft resin material. The housing which covers a periphery of the inner mold part and is formed of a hard resin material.

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) 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 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) 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 noise reduction unit includes a conductor having a winding portion and a ring-shaped core which is made of a magnetic material and is inserted through the winding portion, and a housing which houses the conductor and the ring-shaped core. An inner wall surface of the housing is formed with a recess configured to receive a part of the winding portion located on an outer circumferential surface of the ring-shaped core. The conductor is housed in the housing so that the part of the winding portion is received in the recess.

Abstract: A noise filter including a conductor and an annular core. The conductor has a wound portion. The annular core is formed of a magnetic material and passes through the wound portion. The annular core is formed of a pair of split cores that are assembled together with joining surfaces on both ends to be joined to each other. At least one of a recess portion and a projection portion that engage with each other is formed on the joining surfaces of the split cores which are joined to each other.

Abstract: A connector includes a conductor, a noise filter part, an inner mold part, and a housing. The conductor has a terminal at one end and the other end of the conductor is connected to a wire. The connector is to be joined with a counterpart connector so that the terminal is in conduction with a terminal of the counterpart connector. The noise filter part includes a core attached to the conductor and formed of a magnetic member which reduces noise of a current flowing in the conductor. The inner mold part is integrally molded with the noise filter part so as to cover at least a periphery of the core and formed of a soft resin material. The housing which covers a periphery of the inner mold part and is formed of a hard resin material.

Abstract: A wire connection structure includes a ring-shaped magnetic body, a first wire having a first wire end portion which is inserted through the ring-shaped magnetic body from a first direction, a second wire having a second wire end portion which is inserted through the ring-shaped magnetic body from a second direction opposite to the first direction, and a conductive member which is disposed outside the ring-shaped magnetic body and has two end portions that are electrically connected to a conductor of the first wire end portion and a conductor of the second wire end portion respectively.

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.