Hitachi Metals, Ltd.

Hitachi Cable, Inc.

Proterial, Ltd.

Jun Umetsu

Sachio Suzuki

Yuta Kataoka

Shinya Hayashi

Hideaki Takehara

Kunihiro Fukuda

Naoki Futakuchi

Ken Okuyama

Yujiro Tomita

Katsuya Akimoto

Haruyasu Komano

Takahiro Futatsumori

Noriyuki Takahashi

Takanori Komuro

Tomoya Kuji

Takashi Hattori

A package includes therein a power distribution member including a plurality of conductive wires which is sealed in a packaging bag. An oxygen concentration in the packaging bag is lower than that in the atmosphere.

Package and method for manufacturing package

A wiring member for rotating electrical machine that connects coil ends of a stator to electrodes of a terminal block in a rotating electrical machine. The wiring member includes a plurality of conductive wires, and a holding portion for holding the plurality of conductive wires. The holding portion includes an adhesion portion adhered and fixed to a fixing target member. A fixing structure of wiring member for rotating electrical machine is configured that the wiring member for rotating electrical machine including the plurality of conductive wires and connecting coil ends of a stator to electrodes of a terminal block in the rotating electrical machine is fixed to a fixing target member. The rotating electrical machine includes the stator including a stator core and a plurality of coil pieces adhered and fixed to the stator core, and the wiring member for rotating electrical machine.

Wiring member for rotating electrical machine, fixing structure of wiring member for rotating electrical machine, and rotating electrical machine

An arrangement structure of wiring member for rotating electrical machine is configured in such a manner that a wiring member for rotating electrical machine including a plurality of conductive wires and connecting coil ends of a stator to electrodes of a terminal block in a rotating electrical machine is arranged on an arranging target member. The wiring member for rotating electrical machine includes a holding portion including a molded resin so as to cover all the plurality of conductive wires together and holds the plurality of conductive wires. A cushioning member comprising an elastic body is provided between the holding portion and the arranging target member. The holding portion is arranged on the arranging target member via the cushioning member.

Arrangement structure of wiring member for rotating electrical machine

A rotating electric machine wiring member is configured to connect coil ends of a stator and associated electrodes of a terminal block in a rotating electric machine. The rotating electric machine wiring member includes a plurality of electrical conducting wires, and a holding portion configured to hold the plurality of electrical conducting wires together. The holding portion includes a holder, which is provided to cover all respective peripheries of the plurality of electrical conducting wires in respective one parts in a longitudinal direction of the plurality of electrical conducting wires together, and a molded resin section made of a molded resin to cover one part of the holder. Exposed parts of the holder uncovered with the molded resin section are arranged to surround a peripheral edge of the molded resin section.

Rotating electric machine wiring member

A current sensor includes a bus bar in which a current to be detected flows, a circuit board mounted with a magnetic detection element thereon to detect a strength of a magnetic field generated by a current flowing in the bus bar, and a housing including first and second housings provided in such a manner as to sandwich the bus bar and the circuit board therebetween in a plate thickness direction of the bus bar. The first and second housings include slide guide portions respectively which are relatively slidable in a sloping direction with respect to the plate thickness direction of the bus bar while abutting each other in the plate thickness direction of the bus bar.

Current sensor

A current sensor includes three bus bars arranged in such a manner to be spaced and aligned in a width direction thereof. A first shield plate and a second shield plate, which are made of a magnetic material, are arranged in such a manner to sandwich the three bus bars therebetween together in a thickness direction perpendicular to the width direction. Three magnetic detection elements are arranged between the three bus bars respectively and the first shield plate to detect a magnetic field strength generated by currents flowing through the corresponding bus bars. A conductive plate is disposed between each of the magnetic detection elements and the first shield plate. The conductive plate is disposed in such a manner to sandwich the three bus bars together between the conductive plate and the second shield plate. The conductive plate is made of a nonmagnetic conductive material.

A current sensor includes first and second bus bars aligned and arranged in such a manner to be spaced from each other in a plate width direction, a third bus bar arranged in such a manner that a plate thickness direction thereof coincides with a plate thickness direction of the first and second bus bars and a length direction thereof is orthogonal to a length direction of the first and second bus bars, first and second magnetic detection elements arranged opposite the first and second bus bars respectively in the plate thickness direction, and a third magnetic detection element arranged opposite the third bus bar in the plate thickness direction. The first and second magnetic detection elements are gradient detection type magnetic detection elements and are arranged in such a manner that a detection axis direction thereof is perpendicular to the length direction of the first and second bus bars and is tilted with respect to the plate thickness direction of the first and second bus bars. The third magnetic detection element is arranged in such a manner that a detection axis direction thereof coincides with a plate width direction of the third bus bar.

A current sensor includes a bus bar through which a measured current is carried, a pair of shielding plates that include a magnetic material, and are arranged to sandwich the bus bar in a thickness direction of the bus bar, and a magnetic detection element that is arranged between the bus bar and one of the shielding plates, and detects an intensity of magnetic field caused by the current carried through the bus bar. The shielding plate has a length of not less than 20 mm in a length direction of the bus bar, and a width of not less than 24 mm and not more than 38 mm in a width direction orthogonal to the length direction.

A current sensor includes plural bus bars which are each formed rectangular in a cross section, a pair of shield plates that include a magnetic material and are arranged so as to collectively sandwich the plural bus bars therebetween, and plural magnetic detection elements that are each arranged between the bus bars and one of the shield plates. A distance d between a detection position of a magnetic field intensity at an arbitrary one of the magnetic detection elements and a center position in the width direction between one of the bus bars corresponding to the arbitrary magnetic detection element and an other of the bus bars adjacent thereto in the width direction satisfies the following expression: d/w+0.023(w/h)&#x2265;0.36 where a width of the shield plates is w and an interval along a height direction of the shield plates is h.

A current sensor includes two bus bars, each of which is formed in a plate shape, the two bus bars being aligned and arranged so as to be spaced apart from each other in a plate width direction thereof, and magnetic detection element arranged opposite the two bus bars, respectively, in a plate thickness direction of the bus bars to detect a magnetic field strength generated by a current flowing through the corresponding bus bars. The magnetic detection element are gradient detection type magnetic detection elements that output a difference between magnetic field strengths detected at two magnetic sensing positions, respectively, and are arranged in such a manner that a detection axis direction thereof is perpendicular to a length direction of the bus bars and is tilted with respect to the plate thickness direction.

A current sensor includes, a bus bar through which a current flows, a magnetic detection element detecting a magnetic field intensity generated by the current, first and second shielding plates arranged so as to sandwich the bus bar between the first and second shielding plates, a first conductive plate made of a conductive nonmagnetic material, arranged between the bus bar and the first shielding plate, and a second conductive plate made of the conductive nonmagnetic material, arranged between the bus bar and the second shielding plate, wherein the magnetic detection element is arranged at a first conductive plate-side. A distance between the first conductive plate and the bus bar is longer than a distance between the second conductive plate and the bus bar. The first conductive plate includes a slit formed in the first conductive plate at an overlapping position, and the slit pierces the first conductive plate.

A connector for being attached to a power-supply unit including a switching element and for mating with a mating connector of a wire harness, the connector including a connecting terminal including an end portion connected to an output terminal in a casing of the power-supply unit, a housing fixed to the casing and enclosing at least a portion of the connecting terminal, a current sensor enclosed in the housing so as to detect a magnetic field generated by an electric current flowing through the connecting terminal, and a signal line for transmitting an output signal of the current sensor.

Connector for power-supply unit with a signal line

A connector for being attached to a power-supply unit including a switching element includes a connecting terminal including an end portion connected to an output terminal in a casing of the power-supply unit, a housing fixed to the casing and enclosing at least a portion of the connecting terminal, a current sensor to detect a magnetic field generated by an electric current flowing through the connecting terminal, and a signal line for transmitting an output signal of the current sensor. The signal line includes an extension region with a predetermined length from one end on a side of the current sensor. The extension region extends in a direction orthogonal to a direction of electric current flowing through the connecting terminal.

Connector

A connector includes a first terminal housing that houses a first connecting terminal(s) and is attached to a device as an attached object thereof, and a second terminal housing that houses at least a portion of a cable(s) including a second connecting terminal(s) at an end portion thereof. The first connecting terminal(s) and the second connecting terminal(s) come into contact with each other and form a contact point(s) when the first terminal housing is fitted to the second terminal housing. The two terminal housings are fitted in a direction crossing an extending direction of the cable(s) that extends from the second terminal housing. The second terminal housing further includes a fixing means on a cable side with respect to the contact point(s) so as to fix a portion housing the cable(s) to the device or another member integrally fixed to the device.

Connector and wire harness

A connector includes a first terminal housing that houses a first connecting terminal, and a second terminal housing that houses at least a portion of a cable including a second connecting terminal at an end portion thereof. The first and second connecting terminals contact with each other and form a contact point when the first and second terminal housings are fitted each other. The two terminal housings are fitted in a direction intersecting with an extending direction of the cable. The first and second terminal housings include a first fitting portion and a second fitting portion, respectively. The connector further includes a fitted-state maintaining member that is configured so as to be fitted to both the first and second fitting portions by being slid along a direction perpendicular to the fitting direction of the two terminal housings after the two terminal housings are fitted to each other.

Growing community of inventors

Hitachi, Japan

Jun Umetsu