Abstract: An immersion nozzle for molten-steel casting includes a tubular body with an upper inlet and a downwardly extending flow passage. At least the lower portion of the body has a rectangular flat cross-section defined by opposed short-side walls and long-side walls. Discharge ports are formed at lower ends of the short-side walls and communicate with the flow passage. Guide plates are positioned near the discharge ports, each plate joining the opposed long-side walls and directing molten steel toward a corresponding discharge port. The geometry of the lower portion, including the spacing of the guide plates, controls flow distribution. A ratio A/B of 0.25 to 0.9 is maintained, where A is the shortest distance between the guide plates along the long-side direction, and B is the length of the lower flow passage along the long-side direction, thereby improving flow guidance and casting stability.

Abstract: A method for sequentially deciding allowable power or allowable current for charging or discharging of a system including parallel-connected electric storage devices includes: determining allowable power or allowable current for each of the electric storage devices at a present time; estimating a power ratio or current ratio between the electric storage devices at a future time within a predetermined time; and deciding, in accordance with the estimated future power ratio or current ratio, allowable power or allowable current for the system valid until after lapse of the predetermined time such that power or current of each of the electric storage devices is within the allowable power or allowable current for each of the electric storage devices at the present time.

Abstract: A herein disclosed battery system 1 includes two kinds of contactors, i.e., a first contactor 40 and a second contactor 50. The first contactor 40 includes a first positive electrode terminal 42 connected to a positive electrode 11Ap of a battery unit 10, and includes a first negative electrode terminal 44 connected via a positive electrode output terminal 20 to an external load 100. In addition, the second contactor 50 includes a second positive electrode terminal 52 connected to a negative electrode 11Nn of the battery unit 10, and includes a second negative electrode terminal 54 connected via a negative electrode output terminal 30 to the external load 100. Then, the herein disclosed battery system 1 is configured to preferentially turn OFF the contactor, in which a forward electric current flows, during both of an electrical charge and an electrical discharge.

Abstract: A power supply device includes battery stack in which a plurality of battery cells are stacked, and a plurality of battery modules including cell monitor circuits that detect battery information of battery cells, and cell monitor circuits of the battery modules are cascade-connected via communication lines. Battery module includes a pair of communication terminals that are arranged at both ends and are connected to cell monitor circuit, and inner wires that connect the pair of communication terminals positioned at both the ends. Communication line is connected to communication terminal, and cell monitor circuits of the plurality of battery modules are cascade-connected.

Abstract: The continuous casting nozzle includes a nozzle body made of a refractory material and having, in a vertical direction, an inner bore through which molten steel passes. The nozzle body includes a flange portion at an upper end thereof, the flange portion having: an outer surface including a tapered part inclining downwardly towards the inner bore; and a lower surface including a horizontal part extending horizontally from a lower edge of the tapered part towards the inner bore. The continuous casting nozzle also includes a metal case covering the outer periphery of the flange portion, the metal case including a horizontal plate portion which faces the horizontal part of the flange portion through mortar having a constant thickness. The continuous casting nozzle is configured to receive a pressing force from thereoutside and therebelow by the horizontal plate portion.

Abstract: An exterior package, a main body portion, and a detection unit are provided. The main body portion is disposed inside the exterior package. The detection unit detects a state of a power storage cell and performs wireless communication, at least a portion of the detection unit being disposed inside the exterior package.

Abstract: A power supply device connects a plurality of battery modules including a plurality of battery cells by power line. Battery module includes cell monitor circuit that detects battery information, and a plurality of cell monitor circuits provided in each battery module are cascade-connected via communication line. Cell monitor circuit includes communication interface including connection parts formed by connecting communication line, and communication interface sets a withstand voltage applied to connection part to be higher than an output voltage of the power supply device.

Abstract: A battery module includes battery stack including a plurality of stacked battery cells, a pair of end plates disposed at both end parts in a stacking direction of battery stack, bind bar in which the pair of end plates are coupled, and electronic circuit block mounted with voltage detection circuit that detects a voltage of battery cells. Electronic circuit block is disposed on an outer surface of both end plates disposed at both end parts of battery stack, and electronic circuit block is connected to battery cells via voltage detection line.

Abstract: An electricity storage apparatus includes an electricity storage device module, a voltage sensor, a pyro-fuse, and a controller. The voltage sensor detects a voltage value of the electricity storage device module. The current sensor detects a current value flowing in the electricity storage device module. The pyro-fuse is connected in series to the electricity storage device module. The controller sets a voltage condition and a current condition. The voltage condition is predetermined based on the voltage value detected by the voltage sensor. The current condition is predetermined based on the current value detected by the current sensor. The controller causes the pyro-fuse to activate when both the voltage condition and the current condition are satisfied.

Abstract: In a battery module, end plates disposed at both ends of battery stack are connected by binding bars. Electrode terminals of respective battery cells and voltage detection circuit of electronic circuit block are connected by a plurality of voltage detection lines. Electronic circuit block is disposed on an outer surface of end plate and fixes one connector formed by linearly disposing a plurality of connecting terminals to which voltage detection lines are connected to circuit board on which voltage detection circuit is mounted. Voltage detection circuit is provided with a plurality of input terminals arranged in a linear manner. In circuit board, connecting terminal and input terminal disposed at opposite positions are connected by a plurality of connection lines. A cell voltage of each battery cell is input from connection line to adjacent input terminals.

Abstract: An electric compressor includes a rotary shaft, a compression part, a motor, an inverter that has an inverter circuit, and a housing. The housing includes a motor housing having a peripheral wall extending in an axial direction of the rotary shaft and a bottom wall, an inverter housing that is provided on the peripheral wall, a compression part housing, a shaft support member that has an insertion hole. The inverter housing has an extending portion extending in the axial direction away from the peripheral wall and having a high voltage connector and a low voltage connector. The high voltage connector and the low voltage connector are overlapped with the bottom wall as viewed in the axial direction and disposed within a width of the extending portion.

Abstract: A switching element includes a conductive member and a plastic member having a rectangular parallelepiped shape. The plastic member includes a first end surface, a second end surface, and a first side surface. The conductive member includes a heat generating portion exposed on the first side surface. The switching element is arranged in an inverter-accommodating chamber such that the longitudinal direction of the plastic member extends in an axial direction of a rotary shaft. A heat dissipation member made of metal is arranged between the switching element and a partitioning wall. The heat dissipation member includes a first heat dissipation portion arranged between the heat generating portion and the partitioning wall, and a second heat dissipation portion that is continuous with the first heat dissipation portion and arranged between the second end surface and the partitioning wall.

Abstract: A battery system includes a battery, a first main relay, and a second main relay. The battery includes a positive electrode and a negative electrode. The first main relay is connected in series to the positive electrode of the battery. The second main relay is connected in series to the negative electrode of the battery. At least one of the first main relay and the second main relay includes a relay group including a plurality of relays connected in parallel.

Abstract: A motor-driven compressor and a housing for the motor-driven compressor are provided. A power line connector and a communication line connector are arranged on an external surface of a housing. A first terminal of an interlocking communication line is located in the power line connector. A second terminal of the interlocking communication line is located in the communication line connector. The interlocking communication line is routed on the external surface from the first terminal to the second terminal.

Abstract: A battery system includes a plurality of cells, a hermetically sealed pack case, a first abnormality detection sensor, a second abnormality detection sensor, and a controller. The plurality of cells each includes a hermetically sealed cell case. The cell case includes a first pressure valve configured to irreversibly rupture by a predetermined activation pressure. The controller is configured to execute an abnormality determination process of determining that an abnormality occurs in at least one of the plurality of cells if the pressure value detected by the first abnormality detection sensor is higher than a predetermined threshold value and the detection value detected by the second abnormality detection sensor is higher than a predetermined threshold value.

Abstract: An electric compressor includes a rotary shaft, a compression part, a motor, an inverter, an inverter housing, a motor housing arranged next to the inverter housing in a radial direction of the rotary shaft, a compression part housing, a shaft support member, a conductive pin that is electrically connected to the motor, an inverter terminal, and an electrical connecting member. The electrical connecting member has a busbar, a first terminal, a second terminal, and a case. The busbar is bent such that the first terminal is engaged with the conductive pin and the second terminal is engaged with the inverter terminal by moving the electrical connecting member in an axial direction of the rotary shaft.

Abstract: A motor-driven compressor includes a rotary shaft, an electric motor, a compression unit, an inverter, a housing, and an inverter case. The housing includes a housing end wall and a housing circumferential wall, which extends from a housing end wall in an axial direction of the rotary shaft. The inverter case includes a case end wall, which extends in the axial direction from the case end wall. The seal circumferential wall includes a proximal end connected to the case end wall and an end face located at a distal end. The housing circumferential wall includes an opposed surface that is opposed to the end face. An annular seal member is provided between the seal circumferential wall and the housing circumferential wall. The seal member extends in a radial direction of the rotary shaft between the end face and the opposed surface.

Abstract: A battery system includes: a pair of output terminals connected to a load; battery modules connected to the output terminals and disposed in parallel to each other; and a controller. Each of the battery modules includes: a battery unit including cells connected in series to each other; a main relay provided on a first side end portion of the battery unit; a unit relay provided on a second side end portion of the battery unit; and a pre-charging unit provided in parallel to the main relay. The controller includes a pre-charging process executor configured or programmed to, when the battery modules are to be connected to the load, exercise control so as to connect the battery modules to the pair of output terminals after having executed a pre-charging process on the battery modules on a one-by-one basis.

Abstract: A battery system includes a plurality of battery units connected in parallel, a battery unit voltage detector detecting a voltage value of the battery units, a plurality of unit relays respectively connected in series to the plurality of battery units, and at least one balancing circuit. The battery units each includes a plurality of battery cells connected in series, a cell voltage detector, and an equalizer equalizing remaining capacities of the plurality of battery cells. The balancing circuit includes a resistor. One end of the balancing circuit is connected to a connection point between one of the battery units and one of the unit relays that are connected in series. The other end of the balancing circuit is connected to a connection point between another one of the battery units and another one of the unit relays that are connected in series.

Abstract: A fluid machine includes an inverter compartment defined by a housing and a cover, the inverter compartment accommodating an inverter, and a wire electrically connected to an external connector and supplying power to a circuit board of the inverter. The wire includes a board coupling portion electrically connected to the circuit board, a connector coupling portion electrically connected to the external connector, and an extended portion extending along a wall surface of the cover and connecting the board coupling portion and the connector coupling portion. The fluid machine further includes a plastic mold covering the extended portion, and an anchor formed integrally with the plastic mold and engaged with a through-hole of the cover. The extended portion is held on the wall surface of the cover by the anchor.