Abstract: A brushless motor includes a first rotor core, a second rotor core, and a field magnet member. The first rotor core includes primary projecting pieces arranged along a circumferential direction at equal intervals. The second rotor core has the same shape as the first rotor core, and includes secondary projecting pieces arranged along the circumferential direction at equal intervals. The secondary projecting pieces are positioned between the primary projecting pieces that are adjacent to one another in the circumferential direction. The field magnet member is arranged between the first rotor core and the second rotor core. The field magnet member is magnetized along an axial direction to generate primary magnetic poles in the primary projecting pieces, and generate secondary magnetic poles in the secondary projecting pieces. A rotor includes the first rotor core, the second rotor core, and the field magnet member.

Abstract: A method for manufacturing a stator configured to ensure insulation properties between a conductor and an armature core while preventing a manufacturing cost from increasing and preventing a space factor from lowering. In an edge-removing step, a plurality of independent edge-removing punches, which correspond to one slot S or two or more slots S, press and chamfer a corner portion of an axial opening edge of the slot in an axial end core sheet of the armature core.

Abstract: A rotor with a first rotor core, a second rotor core, a field magnet, and an interpole magnet is provided. The first rotor core has a first core base and a plurality of first nail-shaped magnetic pole parts that extend in the axis direction from the outer circumference section of the first core base. The second rotor core has a second core base and a plurality of second nail-shaped magnetic pole parts that extend in the axis direction from the outer circumference section of the second core base. The field magnet is magnetized along the axis direction and makes the first nail-shaped magnetic parts function as first magnetic poles and the second nail-shaped magnetic parts function as second magnetic poles. The interpole magnet is arranged between the first nail-shaped magnetic parts and the second nail-shaped magnetic parts. The interpole magnet has the same polarity as the first and second nail-shaped magnetic pole parts, in the sections where same face the first and second nail-shaped magnetic pole parts.

Abstract: A rotor includes a first rotor core, a second rotor core, a field magnet, and a back magnet. The first rotor core includes a disk-shaped first core base and a plurality of first claw-poles. The second rotor core includes a disk-shaped second core base and a plurality of second claw-poles. The field magnet has the first claw-poles function as first magnetic poles and the second claw-poles function as second magnetic poles. The back magnet is arranged along back surfaces of the first and second claw-poles. The back magnet is magnetized such that radially outer sections have the polarities that are the same as the first and second magnetic poles. The back magnet is formed integrally, has an annular shape, and is in contact with all of the back surfaces of the first and second claw-poles.

Abstract: A rotor having an axial direction includes at least a pair of rotor cores arranged in the axial direction, and a field magnet located between the rotor cores and magnetized in the axial direction. Each of the rotor cores includes a plurality of claw poles extending in the axial direction. Each of the rotor cores includes a magnetic flux controlling section, which appropriately causes a magnetic flux to flow to the claw poles.

Abstract: A rotor includes first and second rotor cores, a disk magnet, and a rectifying magnet. The first and second rotor cores each include a core base and claw-poles. The disk magnet is magnetized in the axial direction so that the claw-poles of the first rotor core function as first poles and the claw-poles of the second rotor core function as second poles. The rectifying magnet includes at least an inter-pole magnet portion or a back-surface magnet portion. The inter-pole magnet portion is located in a gap formed in the circumferential direction between the claw-poles of the first rotor core and the claw-poles of the second rotor core. The back surface magnet portion is located in a gap formed at back surfaces of the claw-poles. The rectifying magnet and the disk magnet are formed from different materials. The rectifying magnet is integrated with the disk magnet in a post-process.

Abstract: A rotor has a rotor core arranged to radially face a stator. The rotor core has an accommodation hole extending axially from an axial end face of the rotor core. A magnet is received in the accommodation hole. A recess, which is dented in a direction separating from the magnet, is formed in an end surface of the accommodation hole. The recess has an opening facing the magnet. A pair of open distal portions are arranged at opposite sides of the opening and pressed against the magnet.

Abstract: The motor controller includes: a current detection section that detects a current between a battery and an inverter circuit generating a voltage applied to a coil of a motor; an overload determination value output section that outputs an overload determination value used to determine whether or not the motor is overloaded; an overload determination section that compares a current value detected by the current detection section against the overload determination value, and that determines the motor to be overloaded in a case in which the current value detected by the current detection section is the overload determination value or greater; and a forced 500 rpm instruction section that controls the motor rotation speed to 500 rpm, this being a specific speed, in a case in which the overload determination section has determined the motor to be overloaded.

Abstract: This transparent shield device has a windshield that is disposed in the sensing direction of an onboard camera. The windshield has an outer surface that is exposed to the outside. The outer surface has an extended imaging area, which includes the imaging area of the onboard camera, and a surrounding area. Furthermore, the transparent shield device has a water-repellent sticker that is positioned within the extended imaging area and/or a water-attracting coating layer that is positioned within the surrounding area. Liquid droplets deposited on the outer surface can be moved out of the imaging area or prevented from entering the imaging area from the surrounding area.

Abstract: A wiper device that includes: a wiper motor that uses a wiper to perform a wiping operation; and a controller that controls the wiper motor such that a wiping operation by the wiper is performed during a first wiping period for a plurality of cycles in a case in which a vehicle speed detected by a vehicle speed detection section is below a specific speed and a washer switch is switched ON to instruct a washer pump to eject washer fluid, and controls the wiper motor such that a wiping operation of a plurality of cycles by the wiper begins by starting during a second wiping period that is longer than the first wiping period in a case in which the vehicle speed detected by the vehicle speed detection section is the specific speed or greater and the washer switch is switched ON.

Abstract: A clutch including a drive shaft, drive side rotation body, driven shaft, driven side rotation body, clutch housing, and lock member is disclosed. During non-rotation of the drive side rotation body, when the driven side rotation body is rotated, the lock member is pushed by the driven side rotation body and moved outward in a radial direction thereby bringing the contact portion into contact with the inner circumferential surface of the clutch housing. During rotation of the drive side rotation body, the drive side rotation body pushes a drive side cam surface in the rotation direction, and the drive side cam surface acts to move the lock member inward in the radial direction and push the lock member against the driven side rotation body. Thus, the lock member is sandwiched between the drive side rotation body and the driven side rotation body thereby coupling the drive side rotation body and the driven side rotation body with the lock member to be integrally rotatable.

Abstract: An electric oil pump is coupled to a pump receptacle including an oil inflow passage and an oil outflow passage. The electric oil pump includes a motor, a pump rotor, a housing, and a check valve. The housing accommodates the motor and the pump rotor. The housing closes an opening of the pump receptacle and includes at least a fitted portion fitted into the pump receptacle. An oil compartment is formed between the pump receptacle and the housing. Oil flows into the oil compartment from the oil inflow passage when the pump rotor is rotated. The fitted portion is partially immersed in the oil collected in the oil compartment. The housing includes a suction port and a discharge port. A check valve, located in the housing, limits reversed flow of the oil from the oil compartment to the oil inflow passage.

Abstract: An on-board optical sensor cleaning device includes an on-board camera and a discharge port. The on-board camera is mounted on a vehicle. The on-board camera includes a lens. The discharge port discharges fluid toward the lens. The discharged fluid removes foreign material collected on the lens. The lens and the discharge port are relatively movable. At least one of the lens and the discharge port is movable between a cleaning position, where the discharge port is located proximal to an image capturing range center of the on-board camera, and a non-cleaning position, where the discharge port is located farther from the image capturing range center than the cleaning position.

Abstract: A bearing structure includes a bearing and a housing. The bearing rotationally supports a rotation shaft extending in an axial direction. The bearing includes an outer circumferential surface having an arcuate surface that projects outward in a radial direction from an axial end toward a middle portion of the axial direction. The housing includes a bearing accommodation recess that extends in the axial direction to accommodate and hold the bearing. The bearing accommodation recess includes an inner circumferential surface including a cylindrical portion and an abutment portion. The bearing is located at an inner side of the cylindrical portion. The abutment portion partially projects radially inward from the cylindrical portion. The arcuate surface of the bearing abuts against the abutment portion at least at three locations that are separated from one another in a rotation direction of the rotation shaft.

Abstract: A control apparatus, for a system including a rotating machine having a stator, around which a winding wire is wound, and a power conversion circuit, includes: a superimposition device that superimposes multiple harmonic currents, for converting a first electromagnetic force to a second electromagnetic force, on a fundamental wave current, the first electromagnetic force being a second or higher order electromagnetic force as a reduction object, the second electromagnetic force being a second or higher order electromagnetic force and different from the first electromagnetic force, an order of each harmonic current being between the first electromagnetic force and the second electromagnetic force; and a manipulation device that operates the power conversion circuit to flow the fundamental wave current, on which the harmonic currents are superimposed, in the winding wire.

Abstract: A geared motor includes a motor and a reduction drive. The reduction drive includes a gear housing, a speed reduction-output member, and a restriction portion. The gear housing includes a support shaft. The speed reduction-output member includes a reduction gear, an output gear meshed with an input member, and an accommodation recess. The speed reduction-output member is rotationally supported by the support shaft. The restriction portion is configured to restrict movement of the speed reduction-output member relative to the support shaft. The restriction portion is located between an outer circumferential surface of the support shaft and an inner circumferential surface of the accommodation recess. The restriction portion is located in an axial direction of the support shaft at a position that differs from a portion, where the speed reduction-output member abuts in a radial direction against the input member.

Abstract: A wiper blade includes blade rubber, a holder body, and a clip. The clip is pivotally connected to the holder body. The clip has an elastic piece and an engagement protrusion. The engagement protrusion engages with an engagement hole provided in a wiper arm. The elastic piece section has a long piece section, a turned-back section, a first bending axis, and a second bending axis. The long piece section extends through a position to a side of the engagement protrusion. The turned-back section extends so as to change the direction of the long piece section in order to connect the front end of the long piece section to the engagement protrusion. The first bending axis and the second bending axis extend so that the engagement protrusion is located between the first bending axis and the second bending axis.

Abstract: A motor drive apparatus includes a motor having a shaft, an end frame, and a control unit having a heat sink. The end fame and the heat sink are arranged to overlap at least partly when the end frame and the heat sink are projected on a plane, which is parallel with a rotation axis of the shaft. This arrangement improves heat radiation performance of the motor drive apparatus.

Abstract: A motor includes a stator and a rotor. The stator includes an inner circumference stator section and an outer circumference stator section. The inner circumference stator section and the outer circumference stator section each include two stator cores and a coil. The two stator cores each include claw poles and are coupled to each other. The coil is arranged between the two stator cores. The rotor includes an inner circumference magnet and an outer circumference magnet. The inner circumference magnet, which is arranged at an inner circumferential side of the inner circumference stator section, opposes the claw poles in the radial direction. The outer circumference magnet, which is arranged at an outer circumferential side of the outer circumference stator section, opposes the claw poles in the radial direction. The inner circumference stator section and the inner circumference magnet form an inner circumference motor unit.

Abstract: A brushless motor is provided that is capable of suppressing water from contacting a magnetism detection sensor. A brushless motor includes a rotor section that includes a rotor magnet; a stator section that generates a rotational magnetic field with respect to the rotor magnet; a magnetism guide member that guides a portion of magnetism from the rotor magnet; a control unit that includes a circuit substrate and a circuit chamber which is sealed and houses the circuit substrate; and a magnetism detection sensor that is mounted on the circuit substrate inside the circuit chamber and that detects magnetism guided by the magnetism guide member.