Abstract: A power conversion device includes a cooling structure capable of cooling down, by a coolant that flows through a first flow channel formed by a first wall portion and a second wall portion facing with each other, a first electronic component and a second electronic component mounted on an external surface of the first wall portion. The first wall portion is formed in a stepwise shape, and includes a first mount portion on which the first electronic component is mounted, a second mount portion which has a different height from the first mount portion, and on which the second electronic component is mounted, and a first connection portion that is extended between the first mount portion and the second mount portion.

Abstract: A method for producing an LGPS-type solid electrolyte can be provided, the method includes preparing a homogeneous solution by mixing and reacting Li2S and P2S5 in an organic solution such that the molar ratio of Li2S/P2S5 is 1.0-1.85; a precipitation step for forming a precipitate by adding, to the homogeneous solution, at least one MS2 (M is selected from the group consisting of Ge, Si, and Sn) and Li2S and then mixing; obtaining a precursor by removing the organic solution from the precipitate; and obtaining the LGPS-type solid electrolyte by heating the precursor at 200-700° C.

Abstract: An electric current sensor of electric equipment includes a detection element, a reference voltage line to which a reference voltage signal is transmitted, an output signal line to which an output signal of the detection element is transmitted, and a ground line connected to a ground potential. The reference voltage line, the output signal line, and the ground line are bundled together by a cylindrical member which does not contain metal, and in this state, the reference voltage line, the output signal line, and the ground line are routed inside a casing containing a reactor, and connected to a control device.

Abstract: In an electric power device and a method of producing the electric power device, in an axial direction of a reactor, a distance between a detection element of a second electric current sensor and a central position of a winding part is shorter than a distance between a detection element of a first electric current sensor and a central position of a winding part. Further, a gap length of a core of the second electric current sensor is smaller than a gap length of a core of the first electric current sensor.

Abstract: The present invention provides an LGPS-based solid electrolyte production method characterized by having a step in which a mixture of Li3PS4 crystals having a peak at 420±10 cm?1 in a Raman measurement and Li4MS4 crystals (M being selected from the group consisting of Ge, Si, and Sn) is heat treated at 300-700° C. in addition, the present invention can provide an LGPS-based solid electrolyte production method characterized by having: a step in which Li3PS4 crystals having a peak at 420±10 cm?1 in a Raman measurement, Li2S crystals, and sulfide crystals indicated by MS2 (M being selected from the group consisting of Ge, Si, and Sn) are mixed while still having crystals present and a precursor is synthesized; and a step in which the precursor is heat treated at 300-700° C.

Abstract: A chamfering device includes: a main body including, at a proximal end side thereof, a shank to be attached to a main shaft of a machine tool, the main body including, at a distal end side thereof, a shaft portion extending in a rotational axis direction; a movable body whose proximal end portion is mounted to the shaft portion, the movable body being configured to rotate together with the shaft portion and be movable in the rotational axis direction; an urging member configured to urge the movable body in a direction toward the distal end of the main body; a chamfering tool mounted to a distal end portion of the movable body and configured to rotate together with the movable body to perform chamfering on an edge portion of a workpiece; and a following member mounted to the movable body such that a position of the following member relative to the movable body in the rotational axis direction is invariable and the following member is rotatable relative to the movable body, the following member being configured

Abstract: In a drive circuit unit of a vehicle, a first terminal is electrically connected to a drive circuit that performs power conversion, and configured to input or output electric power with respect to the exterior of the drive circuit unit via a first cable. A front protruding portion is formed by extending a portion of a front side surface of the drive circuit unit in a forward direction in a longitudinal direction of the vehicle. The first terminal is disposed on the front protruding portion in an upwardly facing manner, at a more rearward position than a front end of the front protruding portion.

Abstract: A drive system includes a first energy storage, a second energy storage, a voltage transformer, a drive apparatus, a detector, and circuitry. The first energy storage outputs a first voltage. The second energy storage outputs a second voltage different from the first voltage. The voltage transformer transforms at least one of the first voltage and the second voltage. The drive apparatus is driven with power supplied from at least one of the first energy storage and the second energy storage. The detector detects a fault in at least one of the first energy storage and the second energy storage. The circuitry is configured to control the voltage transformer in a first control mode or in a second control mode.

Abstract: In a drive circuit unit, a seal member includes a first contact part that makes contact with respect to an inner surface of a case wall section which defines a through hole. In a state in which the seal member is arranged inside the through hole, a first distance in an insertion direction of the seal member from an outside end portion of the inner surface to the first contact part is longer than a second distance in the insertion direction between an outside surface of the seal member and a cover.

Abstract: In electric equipment, a switching substrate is provided along winding axes of winding parts. A part of the switching substrate is overlapped with a reactor, as viewed in a direction perpendicular to a virtual plane including the winding axes. Further, an electric current sensor is shifted from the reactor in a direction of winding axes, and a sensor substrate is provided in parallel to the virtual plane.

Abstract: The present invention provides a manufacturing method suitable for manufacturing, in large amounts, an ionic conductor that is superior in terms of various properties such as ion conductivity. According to one embodiment of the present invention, provided is a method for manufacturing an ionic conductor, said method including: mixing, using a solvent, LiBH4 and a lithium halide represented by formula (1), LiX (1) (in formula (1), X represents one selected from the group consisting of halogen atoms); and removing the solvent at 60-280° C. Ionic conductors obtained with this manufacturing method can be used as, for example, solid electrolytes for all-solid-state batteries.

Abstract: A power supply system includes a first energy storage, a second energy storage, a power transmission circuit, and circuitry. The circuitry acquires a request supply amount, a request output amount, and failure detection information. The circuitry controls the power transmission circuit in accordance with the at least one of the request supply amount and the request output amount such that a ratio of an amount of electric power supplied from or to the first energy storage and an amount of electric power supplied from or to the second energy storage is to be a first ratio in a normal operating. The circuitry controls the power transmission circuit in accordance with the at least one of the request supply amount and the request output amount such that the ratio is to be a second ratio which is different from the first ration in a partial failure state.

Abstract: In a drive circuit unit of a vehicle, a first terminal is electrically connected to a drive circuit that performs power conversion, and configured to input or output electric power with respect to the exterior of the drive circuit unit via a first cable. A front protruding portion is formed by extending a portion of a front side surface of the drive circuit unit in a forward direction in a longitudinal direction of the vehicle. The first terminal is disposed on the front protruding portion in an upwardly facing manner, at a more rearward position than a front end of the front protruding portion.

Abstract: A circuit unit of a drive unit includes a plate-shaped heat sink that extends in a direction perpendicular to an axis of rotation of a motor, and a lower case arranged on a lower side of the heat sink. In the drive unit, a fastening member, which is formed on the lower case, is fastened to a housing, and a height of a fastening surface, which is located on an upper end of the fastening member, is positioned within a height range that spans from a lower surface to an upper surface of the heat sink.

Abstract: In a drive circuit unit, a seal member includes a first contact part that makes contact with respect to an inner surface of a case wall section which defines a through hole. In a state in which the seal member is arranged inside the through hole, a first distance in an insertion direction of the seal member from an outside end portion of the inner surface to the first contact part is longer than a second distance in the insertion direction between an outside surface of the seal member and a cover.

Abstract: In an electric power device and a method of producing the electric power device, in an axial direction of a reactor, a distance between a detection element of a second electric current sensor and a central position of a winding part is shorter than a distance between a detection element of a first electric current sensor and a central position of a winding part. Further, a gap length of a core of the second electric current sensor is smaller than a gap length of a core of the first electric current sensor.

Abstract: In electric equipment, a switching substrate is provided along winding axes of winding parts. A part of the switching substrate is overlapped with a reactor, as viewed in a direction perpendicular to a virtual plane including the winding axes. Further, an electric current sensor is shifted from the reactor in a direction of winding axes, and a sensor substrate is provided in parallel to the virtual plane.

Abstract: An electric current sensor of electric equipment includes a detection element, a reference voltage line to which a reference voltage signal is transmitted, an output signal line to which an output signal of the detection element is transmitted, and a ground line connected to a ground potential. The reference voltage line, the output signal line, and the ground line are bundled together by a cylindrical member which does not contain metal, and in this state, the reference voltage line, the output signal line, and the ground line are routed inside a casing containing a reactor, and connected to a control device.

Abstract: A drive apparatus includes a first power storage, a second power storage, an electric motor, a voltage booster, an electric device. The second power storage is superior to the first power storage in energy to weight density and is inferior to the first power storage in output to weight density. The electric motor is to be driven with power supplied from at least one of the first power storage and the second power storage. The voltage booster is to boost a voltage output from the first power storage. The voltage booster includes a switch to electrically connect or disconnect the first power storage to at least one of the electric motor and the second power storage. The electric device is provided between the first power storage and the voltage booster. The voltage output from the second power storage is higher than a guaranteed operating voltage of the electric device.

Abstract: A drive system includes a first energy storage, a second energy storage, a driver, and a controller. The first energy storage is charged and discharged. A first amount of heat is generated by charging and discharging the first energy storage. The second energy storage is charged and discharged. The second amount of heat is generated by charging and discharging the second energy storage and is smaller than the first amount of heat. The driver generates driving power to move an electrically powered vehicle with electric power supplied from at least one of the first energy storage and the second energy storage. The controller controls temperature of the first energy storage and temperature of the second energy storage with a coolant flowing inside the electrically powered vehicle. The first energy storage is cooled by the coolant before the second energy storage is cooled by the coolant.