Abstract: An inclination mechanism TM1 is provided at a wiper blade 30. The inclination mechanism TM1 inclines the wiper blade 30 with respect to a surface 11 a, so that a center Ct1 of a U-shaped hook part 23b is disposed forward in a wiping direction with respect to a center Ct2 of a blade rubber 50. Accordingly, at the time of each of forward wiping and return wiping of the wiper blade 30, it is possible to correctly incline the blade rubber 50 with respect to the surface 11 a.

Abstract: Provided are a motor with which dynamic unbalance of a rotor can be suppressed, and a deterioration in the motor characteristics can be reduced, and a method for manufacturing said motor. In a motor unit: a rotor central position, a magnet central position, and a stator central position are offset from one another; a length L1 between inner wall surfaces, facing one another in an axial direction, of magnet holders, an axial direction magnet length L2 of magnets, and an offset length L3 satisfy L1?L2<L3; and first and second holder lengths Lh are the same.

Abstract: A motor device includes a motor having three-phase windings; a rotation speed detector detecting a rotation speed of the motor; a drive signal generator controlling a duty ratio not to exceed a duty ratio upper limit value, and performing control for an energization angle of each phase and performing advance angle control shifting the phase from a reference position to generate a drive signal corresponding to the duty ratio; and an inverter supplying alternating current to the windings based on the drive signal. The drive signal generator includes an advance angle/energization angle controller changing the energization angle to 120 degrees or less while performing advance angle control when the duty ratio is equal to or greater than the duty ratio upper limit value and the rotation speed is equal to or less than a predetermined threshold value in a state where the energization angle is greater than 120 degrees.

Abstract: A washer nozzle comprises a first flow path that extends in the longitudinal direction of an arm piece, a second flow path that is connected to the downstream side of the first flow path and that extends in a direction intersecting the longitudinal direction of the arm piece, an upstream opening that opens the first flow path and the second flow path toward one side in the longitudinal direction of the arm piece, and a blocking member that is provided with a joint part connected by a washer tube and that blocks the upstream opening.

Abstract: In a motor device, since a first conductive plate and a second conductive plate are provided to cover a housing, it is possible to prevent electrical noise from being radiated to the outside of the housing, and thus it is possible to take more sufficient countermeasures against electrical noise. Therefore, it is possible to further suppress adverse effects on in-vehicle equipment such as a car audio. In addition, since the first conductive plate and the second conductive plate are respectively electrically connected and collectively fixed by the first fixing member and the second fixing member, the assemblability of the sunroof motor can also be improved.

Abstract: A washer pump configured to suck liquid stored in a tank and configured to jet the liquid to a surface to be cleaned. The washer pump includes: a housing attached to the tank, an impeller rotatably provided in the housing, a motor rotating the impeller, a motor accommodating portion provided in the housing and accommodating the motor, a corner portion provided in the housing and disposed between the motor accommodating portion and the tank, and a respiratory hole provided between the motor accommodating portion and the corner portion. The respiratory hole communicating an inside of the motor accommodating portion with an outside thereof.

Abstract: In a motor device, since the bearing support member mounted to the housing and supporting, from the axial direction, the another axial side of the ball bearing (outer race) includes the annular support part (annular flat surface) which supports, from the axial direction, the entire circumference of the another axial side of the ball bearing (outer race), tilting of the ball bearing with respect to the housing can be suppressed in the case where a lateral force acts on the rotating shaft. Therefore, it is possible to improve the fixing strength of the ball bearing to the housing, and thus suppress rattling of the speed reduction mechanism.

Abstract: The invention suppresses hysteresis. A relief valve switching between whether to discharge oil through movement of a valve body includes: a first spacing part, in which the valve body moves; a second space part, connected with the first space part and having a diameter smaller than a diameter of the first space part; an elastic body, connected with the valve body; a seal part, disposed in a circumferential direction of the valve body; and a third space part, formed in the first space part.

Abstract: A motor and a fan device are provided. The motor includes a motor bracket; a conductive shaft fixed to a front surface side of the motor bracket; a rotor rotatably supported on the shaft; a stator fixed to the front surface side of the motor bracket inside the rotor and wound with a plurality of coils for generating a magnetic field to rotate the rotor; a substrate, a front surface thereof mounted with a driver circuit for controlling magnetic field generation by the coils; and a driver case fixed to a rear surface side of the motor bracket and forming an accommodation space accommodating the substrate between itself and the motor bracket. A positive wiring of the driver circuit is mounted outside a region on the substrate overlapping the shaft when the motor is viewed from an axial direction of the shaft.

Abstract: The motor includes a shaft fixed to a front surface side of a motor bracket; a rotor rotatably supported on the shaft; a stator wound with coils for generating a magnetic field to rotate the rotor; a substrate, a front surface of which mounted with a driver circuit for controlling magnetic field generation by the coils; a conductive driver case forming an accommodation space accommodating the substrate between itself and the motor bracket; a terminal disposed on a front surface side of the substrate facing the motor bracket and connecting the driver circuit and the coils; a conductive fixing member penetrating the substrate from a rear surface side and fixing the terminal in contact with the substrate; and an insulating driver insulator disposed on a rear surface side of the substrate to surround the fixing member, and protruding to a position closer to the driver case than the fixing member.

Abstract: An electric motor and a method for manufacturing an electric motor capable of improving rotation balance of an armature and realizing effective brake braking with a simple configuration are provided. In an electric motor including an armature core having a plurality of teeth and teeth within a yoke, a winding wound between the slots, and a commutator having and a plurality of segments to which the winding is connected, the winding has a main winding that applies a rotational force to the armature core and a brake winding that applies a braking force to the armature core, and an H bridge circuit is built between the winding and a power supply, and the main winding and the brake winding of the winding are disposed at positions for adjusting balance when the armature core rotates.

Abstract: A linking structure of a wiper blade 12 includes a wiper arm 10, the wiper blade 12, a hook part 10a provided at the wiper arm 10, and a linking part 13 provided at the wiper blade 12. The hook part 10a has a tip side extension part 10b in which a through hole 10c is formed. The linking part 13 has: a pair of sidewalls 13a, 13b facing each other; a cylindrical part 13c bonded to the pair of sidewalls 13a, 13b and engaged with the hook part 10a; a release lever 13d provided at the cylindrical part 13c; and a bridging part 13g bonded to the pair of sidewalls 13a, 13b. The release lever 13d is flexible, and includes a protrusion part 13f fittable with the through hole 10c. The tip part 13e of the release lever 13d protrudes to the outside of the linking part 13.

Abstract: A control device of a vehicle, the vehicle includes an engine, a hydraulic clutch disposed on a power transmission path between the engine and driving wheels, a starter motor for use in startup of the engine, an electric oil pump device discharging hydraulic oil generating oil pressure supplied to the clutch, and a power supply device supplying electric power driving each of the starter motor and the electric oil pump device. The control device includes a startup control unit that performs starter startup control of starting discharge of the hydraulic oil by the electric oil pump device after determining that output voltage of the power supply device or input voltage of the electric oil pump device is higher than or equal to a fixed voltage after completion of cranking by the starter motor upon startup of the engine using the starter motor.

Abstract: A connecting structure of a wiper arm includes a connecting shaft provided on a wiper arm and a snap-fit provided on a wiper blade. The snap-fit includes a pair of claws defining a groove that can be engaged with the connecting shaft. A slit defined by inner walls facing each other is provided on both sides of the pair of claws in a longitudinal direction of the wiper blade. A first protrusion protruding toward inside of the slit is provided on one of the inner walls, and a second protrusion protruding toward inside of the slit is provided on the other of the inner walls. The first and second protrusions are arranged offset from each other in a direction along an axial direction of the connecting shaft.

Abstract: Provided is a wiper arm including: an arm head in which a base end is attached to a swing shaft; an arm shank in which a base end is attached to a tip of the arm head; an arm piece in which a base end is attached to a tip of the arm shank; a washer tube; a washer nozzle attached to a tip of the washer tube; and a cover member covering at least the surrounding of a part of the arm piece and the washer tube in a longitudinal direction. The cover member includes: a first cover body, having a top wall portion, and side wall portions protruding from both sides of the top wall portion in a short-side direction; and a second cover body, attached to the side wall portions and disposed to face the top wall portion.

Abstract: The disclosure provides a motor with a deceleration mechanism capable of suppressing disengagement of gears even when a large external force is applied to an output shaft. A backup member 70 maintaining engagement between a pinion gear 61 and a helical gear 62 is provided on a side of the pinion gear 61 opposite to the side of the helical gear 62 in a gear case 20. Thus, even when a large external force is applied to the output shaft, disengagement of the gears (disengagement of the pinion gear 61 and the helical gear 62) can be suppressed. Therefore, damage to the pinion gear 61 and the helical gear 62 (deceleration mechanism 60) can be prevented for a long period of time, and consequently the life of the motor 10 with the deceleration mechanism can be extended.

Abstract: An insulator, a stator, and an electric motor capable of improving molding accuracy and assemblability are provided. An insulator 26 includes a first insulator 61 and a second insulator 62 to be attached from both axial sides of a stator core. The first insulator 61 has a first core end surface covering portion 65 and a first skirt portion 79. The second insulator 62 has a second core end surface covering portion 265 and a second skirt portion 279. The insulator 26 includes a coil lead-out portion 77 provided integrally with only the first core end surface covering portion 65 for leading out terminal portions of coils from the first insulator 61 to the outside. A length of the longest portion of the second skirt portion 279 in the axial direction is greater than a length of the longest portion of the first skirt portion 79 in the axial direction.

Abstract: A speed reduction mechanism and a motor equipped with the speed reduction mechanism are provided. A pinion gear is provided with one spiral engagement projected part, and a helical gear is provided with a plurality of engagement recessed parts with which the engagement projected part is engaged. The engagement projected part and the engagement recessed part are formed so that their cross-sectional shapes along a direction orthogonal to an axial direction of the pinion gear are in arc shapes. A shape of helical teeth and a shape of the engagement recessed part are determined based on a shape of the engagement projected part provided on a spiral tooth.

Abstract: A motor control device including a PWM control part is provided. The PWM control part has a two-phase complementary PWM control part, and when driving opening and closing of an opening/closing body, PWM-controls upper switching elements and lower switching elements of three phases in a three-phase inverter circuit based on an energization mode that sequentially switches among energized phases, which are two of the three phases, and a non-energized phase, which is a remaining one phase. The two-phase complementary PWM control part, in one of the energized phases, controls one of the upper switching element and the lower switching element by a PWM signal, and controls the other by a complementary PWM signal having a polarity opposite to the PWM signal, and, in the non-energized phase, controls one of the upper switching element and the lower switching element to be off, and controls the other by the complementary PWM signal.

Abstract: A motor control device includes: a plurality of sensors detecting a rotation position of a rotor and outputting a position detection signal; a rotational speed determination part determining whether a rotational speed of a brushless motor is equal to or less than a predetermined threshold value based on the position detection signal; and a motor control part. An energization control part included in the motor control part uses, between a first mode and a second mode, different sensor signals serving as a trigger for an energization timing of each phase. In the first mode, an energization timing to a second phase is advanced relative to a timing at which the position detection signal of a first sensor turns on. In the second mode, an energization timing to the second phase is retarded relative to a timing at which the position detection signal of the first sensor turns on.