Abstract: A power conversion device includes a semiconductor module, a cooling device, a case, which accommodates the semiconductor module and the cooling device, a connector, which is connected to an inlet pipe, which is a refrigerant flow pipe of the cooling device, and a sealing member, which seals between the inlet pipe and the connector. The connector includes a pipe portion, which communicates with the inlet pipe, and a flange portion, which is secured to the case. The pipe portion and the flange portion are joined to each other with the pipe portion located in an insertion hole of the flange portion.

Abstract: A power converter includes a control circuit executing feedback control of a first inverter based on a detected value of a first sensor adapted to a first rotating electrical machine. The first sensor detects a current of a first busbar adapted to the first rotating electrical machine. The first busbar connects the first inverter and the first rotating electrical machine. A second busbar adapted to a second rotating electrical machine connects a second inverter and the second rotating electrical machine. The second busbar is arranged to be apart from the first sensor interposed with a converter busbar between the second busbar and the first sensor. A current of the converter flows through the converter busbar.

Abstract: A vehicle on-board power conversion device includes an inverter configured to convert power output from a power supply of a vehicle and processing circuitry configured to control the inverter. The inverter includes a first inverter circuit configured to convert power, output from the power supply, into single-phase two-wire alternating-current power and supply the single-phase two-wire alternating-current power to the one or more interior power supply ports, and a second inverter circuit configured to convert power, output from the power supply, into single-phase two-wire alternating-current power and supply the single-phase two-wire alternating-current power to the one or more exterior power supply ports. The processing circuitry is configured to determine whether the vehicle is traveling, and, when determining that the vehicle is traveling, stop or limit supply of power to at least one exterior power supply port of the one or more exterior power supply ports.

Abstract: A power conversion device includes an inverter, a state detector, a distribution board configured to distribute power output from the inverter such that single-phase three-wire alternating-current power is supplied to a first power supply port and single-phase two-wire alternating-current power is supplied to a second power supply port and a third power supply port, and processing circuitry configured to control the inverter and the distribution board. The processing circuitry is configured to determine whether there is an anomaly in one of a first inverter circuit and a second inverter circuit based on a detection result of the state detector, and when determining that there is an anomaly in one of the first inverter circuit and the second inverter circuit, stop the inverter circuit determined to have the anomaly and switch the first switch of the distribution board to an open state.

Abstract: A molecular crystal with lithium ion conductivity is disclosed. The molecular crystal of the present disclosure includes sulfolane and a lithium salt represented by the following chemical formula and the molar ratio of said sulfolane to said lithium salt is 2.0 or more and less than 3.0.

Abstract: A fastening tool includes: a bit holding portion which detachably holds a driver bit and is configured to rotate in a circumferential direction of the driver bit and move in an axial direction of the driver bit; a first motor configured to rotate the bit holding portion; a second motor configured to move the bit holding portion along the axial direction; and a control unit configured to control a position of the bit holding portion along the axial direction by the number of rotations of the second motor. The control unit is configured to control a moving speed of a screw moved by rotation of the first motor or a rotation speed of the first motor.

Abstract: A connector includes an inner conductor, a die-cast outer conductor that surrounds the outer periphery of the inner conductor, a housing to which the die-cast outer conductor is fitted, and a contacting member that is to be in electric contact with an external grounding member and the die-cast outer conductor. When a side on which a partner housing is to be fitted into the housing is taken as a front side, the contacting member includes a sandwiched portion that is sandwiched between a front-facing opposed surface of the die-cast outer conductor that faces forward and a back-facing opposed surface of the housing that faces backward, a fulcrum portion that is continuous with the front side of the sandwiched portion, and an elastic contacting portion capable of being elastically deformed that extends forward from the front side of the fulcrum portion and comes into contact with the grounding member.

Abstract: A connector includes an inner conductor, a die-cast outer conductor that surrounds the outer periphery of the inner conductor, a housing to which the die-cast outer conductor is fitted, and a contacting member that is to be in electric contact with an external grounding member and the die-cast outer conductor. The contacting member includes first elastic contacting portions capable of being elastically deformed that come into contact with the grounding member, a second elastic contacting portion capable of being elastically deformed that comes into contact with the die-cast outer conductor, and a coupling portion that couples the first elastic contacting portions and the second elastic contacting portion together and is attached to the outer surface of the housing. The housing includes grooves that are open in the outer surface of the housing, and the coupling portion includes protruding pieces that are placed in the grooves in a press-fitted state.

Abstract: A power converter includes an inverter, a converter, an electrical-machine busbar, an electrical-machine sensor, an electrical-machine-sensor housing, a converter, a converter busbar, a converter-sensor housing. The inverter supplies a three-phase alternating current to a rotating electrical machine. The converter converts a voltage between a direct current power supply and the inverter. The electrical-machine busbar passes a current between the inverter and the rotating electrical machine. The electrical-machine sensor detects the current flowing through the electrical-machine busbar based on a magnetic field. The electrical-machine-sensor housing accommodates the electrical-machine sensor and the electrical-machine busbar together. The converter sensor detects the current flowing through the converter based on a magnetic field. The converter-sensor housing is disposed apart from the electrical-machine-sensor housing, and accommodates the converter sensor and the converter busbar together.

Abstract: A heat exchanger body that includes a circulation path through which a coolant is circulated and performs heat exchange between the coolant flowing through the circulation path and an electronic component; a circulation pump that supplies the coolant to the heat exchanger body; an accumulation determination unit that determines whether a foreign matter accumulation condition is fulfilled that is satisfied when foreign matter is expected to be accumulated in at least a part of the circulation path; and a process execution unit that in response to the foreign matter accumulation condition being satisfied, executes a foreign matter cleaning process of removing the foreign matter accumulated in the circulation path and cleaning the circulation path. In the foreign matter cleaning process, the process execution unit reduces an amount of coolant supplied from the circulation pump so that the coolant has a superheating degree in a nucleate boiling region.

Abstract: The power conversion device has a case, a semiconductor module, a first cooler that cools the semiconductor module from one side, a second cooler that cools the semiconductor module from the back side, and a coupling pipe that couples a flow path of the first cooler with a flow path of the second cooler. A flow rate of the refrigerant is made different between the flow paths, and the flow path having a larger flow rate is larger in cross-sectional area than the flow path having a smaller flow rate. The first cooler having a wider flow path is formed by a part of the case that houses the semiconductor module, and the second cooler having a narrower flow path is housed in the case together with the semiconductor module.

Abstract: First switches include first electrodes, which are mutually connected with each other via a first internal bus bar, and second electrodes, which are mutually connected with each other via a second internal bus bar. A first resin member encapsulates the first switches and the first and second internal bus bars. Second switches include third electrodes, which are mutually connected with each other via a third internal bus bar, and fourth electrodes, which are mutually connected with each other via a fourth internal bus bar. A second resin member that encapsulates the second switches and the third and fourth internal bus bars. The second module is arranged alongside with the first module. The second internal bus bar and the third internal bus bar are partially exposed from the first resin member and the second resin member, respectively, and are directly joined with each other.

Abstract: A first module includes a first switch having a first electrode and a second electrode; a second switch having a third electrode and a fourth electrode; a second internal bus bar connecting the second electrode with the third electrode; and a first resin member encapsulating those components. A second module with includes a third switch having a fifth electrode and a sixth electrode; a fourth switch having a seventh electrode and an eighth electrode; a fifth internal bus bar connecting the sixth electrode with the seventh electrode; and a second resin member encapsulating those components. At least one of a first terminal of the second internal bus bar exposed from the first resin member and a second terminal of the fifth internal bus bar exposed from the second resin member extends toward the other and are directly joined with each other.

Abstract: A capacitor module includes a capacitor element, a plurality of connection terminals for electrically connecting the capacitor element to a semiconductor module and a power supply that are another equipment, and an exterior coating that includes a resin film having electrical insulating property and wraps the capacitor element except the plurality of connection terminals.

Abstract: An endoscope flexible tube having a cylindrical flexible tube base that has flexibility and a resin layer that coats the flexible tube base includes the resin layer, which is a single layer or multiple layers of two or more layers, comprises a layer A which comprises: polyester elastomers, at least one of polyurethane elastomers or polyamide elastomers, and both a hindered phenol compound and a hindered amine compound, wherein the content of the polyester elastomers in the layer A is 55 mass % or more.

Abstract: A fastening tool includes a bit holding portion configured to hold a driver bit engageable with a screw and that is rotatable in a circumferential direction and movable in an axial direction of the driver bit, a motor configured to rotate the bit holding portion, a controller configured to control the motor, and a detector configured to detect a state of the motor. In a state where the screw engaged with the driver bit is fastened to a fastening target, the controller determines whether the driver bit and the screw are disengaged based on the state of the motor detected by the detector and stops the rotation of the motor in a case where the controller determines that the driver bit and the screw are disengaged.

Abstract: A power conversion device includes a connector and a sealing member. The connector is connected to a lead-in pipe of a cooling device on the outside of a case. The sealing member makes a watertight seal between a refrigerant flow pipe, which is the lead-in pipe, and the connector. The sealing member includes a connector-side tubular portion, a first watertight seal projection, and a second watertight seal projection. The connector-side tubular portion is located between an inner peripheral surface of the connector and an outer peripheral surface of the lead-in pipe. The first watertight seal projection projects radially outward in an annular shape from the connector-side tubular portion toward the inner peripheral surface of the connector. The second watertight seal projection projects radially inward in an annular shape from the connector-side tubular portion toward the outer peripheral surface of the lead-in pipe.

Abstract: A fastening tool includes a bit holding portion configured to hold a driver bit engageable with a screw and rotatable in a circumferential direction of the driver bit and movable in an axial direction of the driver bit, a motor configured to move the bit holding portion in the axial direction, a controller configured to control output of the motor to control a movement speed of the bit holding portion in the axial direction, and a motor state detector configured to detect a state of the motor. The controller is configured to control the movement speed of the bit holding portion based on the state of the motor when the screw engaged with the driver bit is fastened to a fastening target.

Abstract: A fastening tool includes a bit holding portion configured to detachably hold a driver bit and rotatable in a circumferential direction and movable in an axial direction, a first motor configured to rotate the bit holding portion, a position detector configured to detect a position of the bit holding portion along the axial direction, and a controller configured to drive the first motor to rotate the bit holding portion. The controller is configured to determine, based on the position of the bit holding portion, whether the bit holding portion moves to a forward movement end position and to stop the rotation of the first motor in a case where the bit holding portion does not reach the forward movement end position and a stop condition of the first motor is satisfied.

Abstract: A power module has a semiconductor module and a cooling device. The cooling device has a cooling unit provided in the semiconductor module so as to be capable of conducting heat, a supply pipe configured to supply refrigerant to an interior of the cooling unit, and a discharge pipe configured to discharge the refrigerant that is flowed inside the cooling unit. The semiconductor module and the cooling unit are arranged in a z-direction. The supply pipe and the discharge pipe are spaced apart in a x-direction. Each of the supply pipe and the discharge pipe faces the semiconductor module in a y-direction.