Abstract: A stator assembly method in which coils that have slot housed portions and coil ends formed from a conductive wire are mounted to an annular stator core that has a plurality of teeth that extend from a back yoke toward an inner side in a radial direction and slots formed between two of the teeth.

Abstract: A transmission device that includes a first shaft, a second shaft to which torque is transmitted from the first shaft via a torque transmitting mechanism, a tubular drive gear attached to the second shaft, and a driven gear that meshes with the drive gear, wherein the drive gear includes a plurality of outer teeth that are each meshed with a corresponding one of gear teeth of the driven gear and a fitting portion that is formed on an inner peripheral surface of the drive gear and that is fitted to the second shaft so that the drive gear rotates integrally with the second shaft.

Abstract: According to one aspect of embodiments, a driver circuit having an overcurrent protection function includes a control signal generating circuit that outputs a Pulse Width Modulation (PWM) control signal for controlling turning ON and OFF of the output transistor that supplies output current to a load; and a control circuit that generates a signal indicating an overcurrent state when a count value of an overcurrent detecting signal exceeds a predetermined number, which indicates that a value of an output current of the output transistor within the predetermined time interval exceeds a predetermined threshold value.

Abstract: A communication terminal is connected to a server and transmits a route search request for a destination to the server and obtains a route searched for from the server according to the request. When setting a destination or transmitting the route search request to the server, the terminal requests the server for guidance information targeted for at least an update target area around a current location among update target areas. The guidance information is for providing movement guidance for a mobile unit, and the update target areas are areas whose terminal-side map information included in the terminal is an older version of map information relative to the server's device-side map information. The terminal receives the guidance information transmitted from the server according to the request for the guidance information, and provides the movement guidance for the mobile unit using a route set on the terminal and the received guidance information.

Abstract: A breather device that communicates an inside of a case with an outside of the case in a vertical direction includes a cylindrical body having a hollow portion that extends in the vertical direction, a stopper inserted in the hollow portion, and a blocking body that is located in a space defined by the stopper in the hollow portion, and blocks a communicating hole provided in a lower part of the cylindrical body as viewed in the vertical direction. The communicating hole ceases to be blocked when the pressure inside the case exceeds a first predetermined value, and the blocking body moves upward in the vertical direction in the space.

Abstract: An oil supply system for a vehicle includes a plurality of oil pumps, suction oil passages, and a communication passage. The oil pumps are independently operational. The suction oil passages each connect an associated one of suction portions of the plurality of oil pumps and a common oil strainer. The communication passage connects the suction oil passages.

Abstract: In a damper device, a dynamic damper is coupled to a first intermediate member, first and second inner-side springs that act in series with each other are straight coil springs disposed between a second intermediate member and a driven member so that outward movement of the springs in a radial direction of the damper device is restricted at respective both ends, and a gap is formed between each body portion of the first and the second inner-side springs and the second intermediate member or a spring abutment portion of the driven member.

Abstract: A vehicle drive device including: a first rotary electric machine; a second rotary electric machine; a first coupler drivingly coupled to a first wheel; a second coupler drivingly coupled to a second wheel; a transmission device that transmits torque of the first rotary electric machine to at least the first coupler out of the first coupler and the second coupler, and transmits torque of the second rotary electric machine to at least the second coupler out of the first coupler and the second coupler; and a case that accommodates the first rotary electric machine, the second rotary electric machine, the first coupler, the second coupler, and the transmission device.

Abstract: In this steel component, the concentration of C in a surface layer is 0.85 mass % or more to 1.2 mass % or less, which is higher than the concentration of C in a starting material steel, the surface layer has a volume ratio of a retained-austenite structure higher than 0% and lower than 10%, the remainder of the surface layer is a martensitic structure, the area fraction of grain boundary carbides in the surface layer is lower than 2%, a layer inside the surface layer is higher than the surface layer in a volume ratio of a retained-austenite structure, and in the layer inside the surface layer, the remainder is a martensitic structure.

Abstract: A stator, wherein the coil unit includes a coil end portion projecting from an axial end face of the stator core; the coil end portion includes a plurality of peak portions projecting axially outward and arranged in a circumferential direction, and a plurality of lead wire portions for supplying electric power to the coils; and each of the lead wire portions includes an extension portion extending at least in an axial direction, and a bent portion that is bent at least from the axial direction to a radial direction, at least a part of the bent portion being disposed on a stator core side with respect to the peak portions in the axial direction, in a space between the peak portions that are closest to the extension portion in the radial direction and that are adjacent in the circumferential direction.

Abstract: An oil supply device has: a first hydraulic pump driven by power transmitted through a power transmission path; a second hydraulic pump driven by a second driving force source independent from the power transmission path; a first supply oil passage that supplies oil discharged by the first hydraulic pump to a lubrication required part of a transmission; and a second supply oil passage that supplies oil discharged by the second hydraulic pump to a hydraulic drive portion of a specific engagement device.

Abstract: An oil supply device has: a first hydraulic pump driven by power transmitted through a power transmission path; a second hydraulic pump driven by a second driving force source independent from the power transmission path; and a hydraulic circuit. In a specific state in which a first forward speed is formed by oil discharged from the second hydraulic pump being supplied to a hydraulic drive portion, when a failure occurs in which a discharge pressure of the second hydraulic pump is decreased, a state of the hydraulic circuit is switched from a first state in which oil discharged from the second hydraulic pump is supplied to the hydraulic drive portion to a second state in which oil discharged from the first hydraulic pump is supplied to the hydraulic drive portion.

Abstract: A rotating electrical machine that includes a rotor core; a stator core disposed so as to face the rotor core in a radial direction and including a plurality of teeth and a plurality of slots each located between adjacent ones of the teeth; and a concentric coil formed by concentrically winding a wire, and including a slot accommodated portion placed in the slot of the stator core and a coil end portion projecting in an axial direction from the stator core, wherein of the slot accommodated portion of the concentric coil, an axial end of the slot accommodated portion located on a side facing the rotor core is located closer to an outside in the radial direction than an axial middle part of the slot accommodated portion located on the side facing the rotor core.

Abstract: An inverter control device that controls an inverter as a control target, the inverter being connected to a direct-current power supply and connected to an alternating-current rotating electrical machine so as to convert power between direct current and alternating current of a plurality of phases, and the inverter having an arm for each alternating-current phase, the arm including a series circuit of an upper-stage switching element and a lower-stage switching element, the inverter control device including an electronic control unit.

Abstract: A damper apparatus that includes an input to which a torque from an engine is transferred; an output; a first intermediate element; a second intermediate element; a first elastic body configured to transfer the torque between the input and the first intermediate element; a second elastic body configured to transfer the torque between the first intermediate element and the output; a third elastic body configured to transfer the torque between the input and the second intermediate element; a fourth elastic body configured to transfer the torque between the second intermediate element and the output; and a fifth elastic body configured to transfer the torque between the first intermediate element and the second intermediate element.

Abstract: Vehicle drive assist systems, methods, and programs display an alert image superimposed on a real view on a display. The systems, methods and programs determine a blind spot area, the blind spot area being an area that becomes a blind spot of a driver of a vehicle due to a front obstacle present on a front side in a traveling direction of the vehicle. The alert image is displayed such that the alert image is superimposed on a target point, the target point being a point where traveling of the vehicle is likely to be influenced when there is a moving obstacle jumping out of the blind spot area.

Abstract: A power transmission control device includes a first rotation shaft, a first power source to adjust rotation speed of the first rotation shaft, a second rotation shaft interlocked with an axle, a first switching mechanism to connect/disconnect switching between the first and second rotation shafts, a third rotation shaft, a second power source to adjust rotation speed of the third rotation shaft, and a second switching mechanism to connect/disconnect switching between the third rotation shaft and the second rotation shaft. At least one switching mechanism of the first switching mechanism and the second switching mechanism is a dog clutch type, and reliably and stably performs the connection switching thereof. A control stores information on a rotation phase of the first/third rotation shafts. At least one of the first/second switching mechanisms is held in a connected state, and the rotation phase is adjusted based on stored information at the connection switching.

Abstract: In a power transmission device for a vehicle, comprising: a transaxle casing in which a motor and a voltage power line are housed; and a cover attached so as to close an opening of the transaxle casing, the cover includes a flange portion provided at an outer edge portion of the cover and connected to the opening of the transaxle casing, a bearing support portion for a bearing that supports a rotary shaft rotatably, and a cover wall provided between the flange portion and the bearing support portion, and a valve body is attached to the cover wall so as to be positioned at a portion of the cover wall at which a direct distance between the bearing support portion and the flange portion surrounding the bearing support portion is longest.

Abstract: Travel assistance devices and programs obtain a captured image that captures a surrounding environment of a vehicle by an imaging device having a start point of a driver's line of sight and an optical axis corresponding to a driver's line-of-sight direction. The devices and programs identify, based on the captured image and map information of an area around the vehicle, a location where a connecting road is present in the captured image. The connecting road is a road connecting to a traveling road of the vehicle at a divergence point present around the vehicle. The devices and programs determine driver's visibility of the connecting road based on a positional relationship between the location of the connecting road and a location of an obstacle present around the vehicle in the captured image and output a result of the determination.

Abstract: A power transmission device mounted on a vehicle includes: a rotation transmission member that transmits power transmitted from a driving source to an input shaft; a power connection switching mechanism that is connected to or cut off from the driving source and the rotation transmission member; and an oil pump to which rotation of either a first rotational shaft on a driving source side of the power connection switching mechanism and a second rotational shaft on a driving wheel side of the power connection switching mechanism is selectively transmitted to drive the oil pump. The oil pump is coupled to the second rotational shaft via a gear transmission mechanism in which a plurality of gears mesh with each other. A first rotation ratio of the first rotational shaft and the oil pump, and a second rotation ratio of the second rotational shaft and the oil pump are different.