Abstract: When a steering angle reaches a first value close to a second value that defines a boundary of the maximum physical range of operation of a steering wheel, an ECU calculates a virtual end controlled variable that sharply increases a steering torque. The ECU calculates a second limit on the virtual end controlled variable and calculates a final limit (upper and lower limits) on an assist controlled variable by taking into account the second limit. When performing virtual end control, the ECU calculates the final limit on the assist controlled variable by using, as a first limit corresponding to the steering torque, a previous value held by upper and lower limit holders, instead of a present value calculated in accordance with the steering torque in a present calculation cycle.

Abstract: A rolling bearing includes an inner ring, an outer ring, a plurality of balls, and a cage in which a plurality of pockets that accommodate the balls are formed along the circumferential direction. The cage is a snap cage that has an annular body provided on one side in an axial direction, and a plurality of prongs provided so as to extend from the annular body toward the other side in the axial direction. Spaces on the other side of the annular body in the axial direction and between the prongs which are adjacent to each other in the circumferential direction serve as the pockets. A pocket surface of the pocket that faces the ball is a part of a spherical surface. The cage can contact the inner peripheral side of the outer ring for positioning in the radial direction.

Abstract: A ball screw device includes a screw shaft, a nut, a ball train including a plurality of main balls, and a plurality of coil springs disposed in the ball train. The nut moves from a first axial side to a second axial side while an axial force is applied to the nut by rotation of the screw shaft.

Abstract: A steering system with a reduced number of parts is provided. A driven pulley has a radially outer portion, a radially inner portion, and a connection portion that connects the radially outer portion and the radially inner portion to each other. The radially inner portion is provided with a plurality of slits at equal intervals in the circumferential direction. A plurality of retention portions are provided at portions of the radially inner portion between the slits. Lug portions are provided on the inner surface of the distal ends of the retention portions. A groove is provided in the outer peripheral surface of a ball screw nut. The lug portions of the retention portions are fitted with the groove of the ball screw nut.

Abstract: A rolling bearing device includes: a bearing portion that has an inner ring, an outer ring, a plurality of balls, and a cage that holds the plurality of balls; and an oil supply unit provided adjacent to the bearing portion in the axial direction and configured to supply lubricating oil to the bearing portion. The oil supply unit has: a pump that suctions lubricating oil into an oil chamber and discharges the lubricating oil by varying a capacity of the oil chamber by periodically driving a piezo element; and a control portion that causes the pump to operate by varying a rising time of a voltage applied to the piezo element in accordance with whether a drive period of the piezo element is long or short.

Abstract: A rolling device for a vehicle includes an inner raceway member including first and second inner raceways; an outer raceway member including first and second outer raceways; first rolling elements disposed rollably between the first inner raceway and the first outer raceway and second rolling elements disposed rollably between the second inner raceway and the second outer raceway; and grease disposed on raceway surfaces of the first inner raceway, the first outer raceway, the second inner raceway, and the second outer raceway and rolling surfaces of the first rolling elements and the second rolling elements. The grease includes a base oil, a thickener, and additives. The grease includes a synthetic oil as the base oil. A kinematic viscosity of the base oil at 40° C. is 20 mm2/s to 50 mm2/s. The additives include a phosphorus compound, a calcium compound, and a hydrocarbon wax.

Abstract: An energy storage device before pre-doping includes positive electrodes, negative electrodes, separators, a cover, an electrolyte solution, a positive terminal, a negative terminal, and pre-doping metal foil. Each of the positive electrodes and the negative electrodes respectively include: positive collector foil and negative collector foil each having holes; and a positive active-material layer and a negative active-material layer arranged on at least one side of the collector foil. Either one or both of the positive electrodes and the negative electrodes include a pre-doping-targeted electrode, in which the pre-doping metal foil is arranged in direct contact with the surface of the active-material layer, and a non-arrangement part, in which the pre-doping metal foil is not arranged, is formed in at least part of the outer periphery of the active-material layer.

Abstract: A rolling bearing includes an inner ring, an outer ring, a plurality of balls, a cage, and sealing devices. An action that forces grease from one axial side to the other axial side occurs in an annular space. The cage includes an annular body provided on one axial side, and a plurality of cage prongs provided so as to extend from the annular body to the other axial side. Cage pockets that house the balls are each formed on the other axial side of the annular body and between the cage prongs adjacent to each other in a circumferential direction. The cage pockets are open to the other axial side.

Abstract: A rolling bearing includes a seal device provided at an axial end portion of an annular space formed between an inner ring and an outer ring. The seal device has a seal body portion attached to the outer ring, and a seal lip provided so as to extend from the seal body portion toward the inner ring and configured to contact a seal surface of the inner ring. The seal lip has a lip base portion that extends from the seal body portion toward the inner ring, a lip middle portion that extends from the lip base portion in a different direction, and a lip tip portion that extends from the lip middle portion toward the inner ring in a different direction and that contacts the seal surface.

Abstract: A sealing device includes a conductive member integrated with a seal lip along a circumferential direction of the seal lip and configured such that a voltage is applied to the conductive member, and a reference member provided at a predetermined interval with respect to the conductive member. A deformation degree of the seal lip is inspected such that a change of an inductance of the conductive member associated with a change of the interval between the conductive member and the reference member is detected by a detection unit.

Abstract: An assist device includes a body wearing unit and an actuator unit. The actuator unit includes an output link configured to pivot about a joint of an assist target body part and to be attached to the assist target body part; an actuator including an output shaft configured to generate an assist torque via the output link; a torque determination unit configured to determine a combined torque obtained by combining a user torque and the assist torque from the output shaft, the user torque being input from the output link when the user causes the assist target body part to pivot; a correction unit configured to calculate a correction amount for the determined combined torque; and a pivot angle control unit configured to control a pivot angle of the output shaft based on the determined combined torque and the calculated correction amount.

Abstract: A plug including a hub which extends along a central axis and is defined radially by a side wall wherein an annular groove is formed, which receives a sealing member, the groove provided between a bottom wall and first annular edge wall, and a second annular edge wall, which axially define the groove, the hub being formed by the combination of a first hub section on which the first edge wall is formed, and a second hub section on which the second edge wall is formed, the first hub section and the second hub section being assembled so that they meet at a gasket face which is secant to the central axis and the bottom wall of the groove, so the line of the intersection of the gasket face with the bottom wall is contained axially between the first and second edge wall over the entire perimeter of the groove.

Abstract: A sealed thrust bearing includes an inner ring; an outer ring facing the inner ring in an axial direction; an elastic member that covers the inner ring so as to define: an inner elastic seal member that seals a space between an inner circumferential portion of the inner ring and an inner circumferential portion of the outer ring; and an outer elastic seal member that seals a space between an outer circumferential portion of the inner ring and an outer circumferential portion of the outer ring; and a lower member that is disposed below the outer ring for being assembled with the outer ring, and is provided with cation coating. The inner elastic seal member has a lip in pressure contact with an inner surface of one of a cylinder portion and a cylindrical portion of the lower member, and the outer elastic seal member has a lip in pressure contact with an upper surface of one of an annular ring portion and an annular portion of the lower member.

Abstract: An assist device includes a body wearing unit and an actuator unit. The body wearing unit includes a waist wearing portion configured to be worn around a waist of a user, an upper half body wearing portion configured to be worn at a position in an upper half of a body of the user, and a frame portion connecting the waist wearing portion and the upper half body wearing portion to each other. A virtual pivot axis extending in a right-left direction of the user wearing the assist device is set at the waist wearing portion. The frame portion is connected to the waist wearing portion via a pivot mechanism that supports the frame portion such that the frame portion is pivotable relative to the waist wearing portion about the virtual pivot axis.

Abstract: A column jacket can pivot in a tilt direction around an end of a steering shaft along with the steering shaft. When the column jacket is pivoted in the tilt direction, an engaging member moves in the tilt direction along with the column jacket. A position fixing mechanism has a pair of fixing members located adjacent to opposite ends of an engaged member in a longitudinal direction to fix the position of the engaged member in the tilt direction. The position fixing mechanism fixes the position of the column jacket in the tilt direction by engaging the engaged member with the engaging member. At a time of a secondary collision, the engaged member engaged with the engaging member breaks a front fixing member.

Abstract: A torque detection device capable of suppressing intrusion of static electricity thereinto. A magnetism collection unit includes magnetism collection rings, first and second magnetism collection holders that hold the magnetism collection rings, respectively, and a magnetic shield that covers the outer peripheries of the magnetism collection rings. The inner peripheral surface of the first magnetism collection holder is provided with recessed portions. The outer peripheral surface of the second magnetism collection holder is provided with engagement protrusions to be inserted into the recessed portions. The inner peripheral surface of the second magnetism collection holder is provided with recessed portions. The inner peripheral surface of the first magnetism collection holder is provided with protrusions that project toward the second magnetism collection holder.

Abstract: Carbodiimide is added to a molten aromatic polyamide resin so as to provide resin pellets. The percentage of residual unreacted carbodiimide to each resin pellet is 0.03% to 0.33% by mass.

Abstract: In a worm reducer, an elastic member urges a worm shaft housed in a housing toward a worm wheel. In a method for manufacturing the worm reducer, the elastic member is arranged in a recess formed on the inner face of the housing. Then, a jig is inserted into the housing, and the elastic member is compressed by the jig. In the state in which the elastic member is compressed by the jig, the worm shaft is inserted into the housing. Then, the jig is removed from the housing.

Abstract: A one-way clutch structure includes: a pair of clutch members disposed between an output shaft and a drive shaft so as to oppose each other in an axial direction; and an engagement element interposed between these clutch members. When a rotation speed of the output shaft exceeds a rotation speed of the drive shaft, the engagement element engages with the clutch portion to connect the output shaft and the drive shaft so as to be integrally rotatable. When the rotation speed of the output shaft becomes lower than the rotation speed of the drive shaft, the engagement of the engagement elements is released to cut off connection between the output shaft and the drive shaft.

Abstract: An apparatus and a method for manufacturing an electricity storage material are provided which can avoid defective coating of the electricity storage material. An apparatus for manufacturing an electricity storage material includes: a dissolving device that dissolves a thickener in a solvent; a viscosity adjusting device that adjusts viscosity of a solution produced by the dissolving device; a first filtering device that filters the solution having the viscosity adjusted by the viscosity adjusting device; and a kneading device that kneads the solution filtered by the first filtering device and an active material. Since the apparatus can remove almost all microgels of the thickener by the first filtering device, defective coating can be prevented in the coating of the electricity storage material, and satisfactory electrodes can be manufactured.