Abstract: A noise reducing unit includes a common mode choke coil and a first damping portion that is made of a nonmagnetic material. The common mode choke coil includes an annular core, a first winding wound around the core, and a second winding wound around the core and spaced apart from the first winding. The first damping portion surrounds the first winding and the second winding. The first damping portion is configured such that an induced current flows in the first damping portion to generate magnetic flux that resists changes in leakage flux leaking from the core. The noise reducing unit further includes a second damping portion that is made of a magnetic material. The second damping portion is disposed on an opposite side of the first damping portion from the common mode choke coil.

Abstract: A vehicle on-board power conversion device includes a power converter, a conversion device-side connector that is configured to be connected to an external connector, and a check circuit that is configured to check a connection state of the conversion device-side connector and the external connector. The power converter includes a microcontroller. The vehicle on-board power conversion device includes an isolator located between the check circuit and the microcontroller. The check circuit includes an inverting circuit that is configured to invert the signal including the square wave and generate an inverted wave. The microcontroller includes an output terminal configured to output a square wave, and a detection terminal configured to detect the square wave. The microcontroller determines whether there is an inter-terminal short-circuit anomaly based on a detection result of the detection terminal.

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.

Abstract: A discharge device includes a capacitor, first and second discharge circuits each connected in parallel to the capacitor, and a comparator. The first discharge circuit includes a first discharge resistor. The second discharge circuit includes: a second discharge resistor smaller in resistance value than the first discharge resistor; and a switch connected in series to the second discharge resistor. The comparator turns off the switch when a voltage (VH) between power lines is equal to or higher than a prescribed voltage, and turns on the switch when the voltage becomes lower than the prescribed voltage. The comparator is configured to turn off the switch after an elapse of a prescribed time period since turning on of the switch.

Abstract: An electric compressor includes an inverter, a housing with an opening, an inverter connector, a power connector, and a cable that electrically connects both connectors. The housing accommodates the inverter. The inverter connector includes a cover, an outer sealing member, and an inner sealing member. The cover includes an insertion hole through which the cable is inserted, and is disposed in the opening so as to position the cable in the opening. The outer sealing member is interposed between the opening and the cover. The inner sealing member is interposed between the insertion hole and the cable. The insertion hole includes a restriction portion that restricts a movement of the cable, and a fitting portion that is located closer to the inverter than the restriction portion and in which the inner sealing member is fitted. The insertion hole is narrower at the restriction portion than at the fitting portion.

Abstract: A fixed outer circumferential wall of a fixed scroll, a movable scroll, and a plate define a suction pressure space configured such that fluid flows from a suction chamber into the suction pressure space. The movable scroll and an opposed wall define a first back-pressure space. The plate and a back-pressure-chamber-defining recess of the opposed wall define a second back-pressure space. A back-pressure supplying groove of the opposed wall is configured to connect the first back-pressure space to the second back-pressure space, thereby supplying the fluid from the first back-pressure space to the second back-pressure space. A discharge hole of the plate is configured to connect the second back-pressure space to the suction pressure space, thereby discharging the fluid from the second back-pressure space to the suction pressure space. At least part of the discharge hole is overlapped with the back-pressure supplying groove in an axial direction.

Abstract: A power storage device includes a power storage module and a pair of conductive plates configured to sandwich the power storage module. The power storage module has an electrode laminate and a sealing body configured to seal the electrode laminate. The electrode laminate includes a plurality of laminated bipolar electrodes and a pair of terminal electrodes. The pair of terminal electrodes is disposed at laminate ends of the electrode laminate and each includes an electrode plate. The sealing body has a pair of resin portions provided at the edge portions of the terminal electrodes. At least one conductive plate of the pair of conductive plates is disposed to oppose the terminal electrode in the laminating direction of the electrode laminate and to overlap a corresponding resin portion of the pair of resin portions when seen in the laminating direction.

Abstract: The power storage device includes a power storage module and a conductive plate. The power storage module includes an electrode laminate including current collectors stacked on each other in a first direction. At least one of the positive electrode terminal electrode, the negative electrode terminal electrode, and the bipolar electrode includes an active material layer including grooves arranged in a second direction orthogonal to the first direction, and the grooves extend in a third direction crossing the second direction. The conductive plate includes an outer surface including depressions depressed in the first direction and extending in the second direction, the current collector arranged at the stack end of the electrode laminate includes an exposed face in contact with the outer surface, the exposed surface includes protrusions overlapping the active material layer in the first direction, and the protrusions protrude in the first direction and extend in the third direction.

Abstract: An industrial vehicle includes a controller. The controller sets a first upper deceleration limit as a set upper deceleration limit, if a first condition is satisfied, to perform first deceleration limiting. The first condition is satisfied when at least one of a high lifting height of the industrial vehicle, a material weight equal to or greater than a threshold, and an empty driver seat is detected. The controller sets a second upper deceleration limit as the set upper deceleration limit, if a second condition is satisfied, to perform second deceleration limiting. The second condition is satisfied when a distance between the industrial vehicle and an obstacle is less than a threshold. The controller performs priority control if the first condition and the second condition are satisfied so that the first upper deceleration limit is set as the set upper deceleration limit in preference to the second upper deceleration limit.

Abstract: A roots pump comprising: a rotary shaft; a rotor having a hole-forming surface that forms an insertion hole, and a first bearing and a second bearing. Each of the first bearing and the second bearing includes an inner ring and an outer ring. The rotary shaft is press-fitted in the inner ring of the first bearing, and fitted in the inner ring of the second bearing with a clearance between the rotary shaft and the inner ring of the second bearing. An edge portion of the hole-forming surface adjacent to the first bearing serves as a press-fitting portion in which the rotary shaft is press-fitted, and at least an edge portion of the hole-forming surface adjacent to the second bearing serves as a clearance-fitting portion in which the rotary shaft is fitted with a clearance between the rotary shaft and the clearance-fitting portion.

Abstract: A scroll compressor includes a housing and a compression mechanism. The compression mechanism includes a compression chamber. The housing includes an intermediate pressure chamber into which refrigerant having an intermediate pressure is introduced from an external refrigerant circuit. The intermediate pressure is higher than a suction pressure of refrigerant drawn into the compression chamber and lower than a discharge pressure of the refrigerant discharged from the compression chamber. The intermediate pressure chamber and the compression chamber in a process of compression are connected to each other by an injection passage. The injection passage includes a muffler.

Abstract: An electric compressor includes a housing including a first housing portion made of metal, the first housing portion having a first joint surface and a first pin hole, a second housing portion made of metal, the second housing portion having a second joint surface and a second pin hole, a connecting pin made of metal, the connecting pin having a press-fitting portion and a first insertion portion having a first contact portion and removably inserted into the second pin hole, and a first gasket having an insulation property, the first gasket having a first pin insertion hole, the first gasket being interposed between the first joint surface and the second joint surface.

Abstract: An operation assisting apparatus for a load handling vehicle conveying a load carried on a load handling apparatus includes a sensor, an object extraction unit configured to extract, as objects, a group of points representing parts of the objects from a result detected by the sensor in a coordinate system in a real space, a load handling space derivation unit configured to derive a load handling space occupied by the load during load handling work performed by the load handling apparatus in the coordinate system in the real space, a clearance derivation unit configured to derive a value of a clearance between the load handling space and an adjacent object adjacent to the load handling space, and an informing unit configured to inform an operator of the load handling vehicle of information about the value of the clearance.

Abstract: A method for manufacturing a bipolar power storage device includes a first depressurizing process in which an internal space is depressurized to a first pressure through an attachment, a first liquid injecting process in which a predetermined amount of electrolyte solution is injected into the internal space from a holding member through an liquid injection port by increasing the pressure in the holding member, a second depressurizing process in which a part of the electrolyte solution flows back from the internal space to the holding member by depressurizing the internal space to a second pressure, and a second liquid injecting process in which the electrolyte solution is injected into the internal space by increasing the pressure in the holding member. The second depressurizing process includes an initial depressurizing process in which the internal space is depressurized at a depressurizing speed lower than a depressurizing speed in the first depressurizing process.

Abstract: A power supply control system includes: a vehicle control device including a reception unit, an electrical connector, and a communication connector; connection determination units; and supply control units. The supply control units determine that the battery is the first battery and permits the power supply to the reception unit in a case where it is determined that the communication connector is connected and there is no power supply to the reception unit, determine that the battery is unknown and prohibits the power supply to the reception unit in a case where it is determined that the communication connector is not connected and there is no power supply to the reception unit, and determine that the battery is the second battery in a case where it is determined that the communication connector is not connected and there is power supply to the reception unit.

Abstract: There is provided an item detection device that detects an item to be loaded and unloaded and includes an image acquisition unit acquiring a posture detection unit detecting the posture of the part to be loaded and unloaded on the basis of a computation result of the computing unit. The posture detection unit scans the second information image across a first region in which the feature part is present and a second region in which the feature part is not present to acquire a change in a visual parameter, calculates notation information indicating the boundary portion of the item on the basis of the change in the visual parameter, detects the feature line on the basis of the notation information, and detects the posture on the basis of a difference in angle between the feature line and a reference line in the second information image.

Abstract: Provided is a power storage device including: a stacked body constituted by stacking a plurality of electrodes including a current collector and an active material layer provided on the current collector; a sealing portion that surrounds the stacked body and seals between the electrodes adjacent in a stacking direction of the stacked body; a plurality of detection lines which are connected to the electrodes and are led out from the sealing portion to the outside; and a cooling member that is in contact with the stacked body and includes a cooling flow passage through which a cooling fluid is allowed to circulate from an inlet port to an outlet port in a direction intersecting the stacking direction.

Abstract: A fiber structure includes a cylindrical body that has a plurality of fiber layers including: a first fiber layer including at least one of a first yarn and a second yarn; and a second fiber layer including the first yarn and the second yarn. The first yarn and the second yarn are formed of reinforced fibers. The first fiber layer does not include interlaced sections in which the second yarn is interlaced with the first yarn. One of the fiber layers that forms an inner surface of the cylindrical body serves as an innermost layer. Another one of the fiber layers that forms an outer surface of the cylindrical body serves as an outermost layer. At least one of the innermost layer and the outermost layer is formed of the second fiber layer, and the second fiber layer includes the interlaced sections.