Abstract: A sensor device where the number of components and mounting steps can be reduced and mountability on a mounting target is improved. A sensor device configured to detect a torque applied to a pinion shaft and pinion shaft's rotation angle. The pinion shaft is formed by coupling an input shaft and output shaft together by a torsion bar. The sensor device includes a torque detecting portion wherein magnetic fields detected by torque detection magnetic sensors change based on the torsion bar's twisting amount, a rotation angle detecting portion wherein magnetic fields detected by rotation angle detection magnetic sensors change based on the pinion shaft's rotation angle, a housing that houses the torque detecting portion and the rotation angle detecting portion, and a circuit board held by the housing. Both the torque detection magnetic sensors and the rotation angle detection magnetic sensors are mounted on the circuit board.

Abstract: A rolling bearing device includes: a bearing portion; an oil supply unit that has a pump; a first detection portion that detects operation of the pump; a second detection portion that detects the rotational state of the bearing portion; and a processing portion that generates determination information related to the lubrication state of the bearing portion on the basis of a detection signal from the first detection portion and a detection signal from the second detection portion. The processing portion outputs, to the pump, an instruction signal for oil supply when it is determined that operation of the pump is appropriate and that the rotational state of the bearing portion is not appropriate, and re-determines, after the lapse of a predetermined time, whether or not the rotational state of the bearing portion is appropriate.

Abstract: A sensor apparatus includes an interface circuit to which one of a digital sensor and an analog sensor is connected as a sensor that generates an electric signal corresponding to a physical quantity of a detection target and a CPU that calculates the physical quantity of the detection target based on the electric signal generated by the sensor. The interface circuit has a first power supply circuit, a second power supply circuit, a receiver including a receiver circuit, and an operation determination circuit. The first power supply circuit generates an operating voltage of the sensor. The second power supply circuit generates a synchronizing signal for the digital signal. The receiver circuit receives an electric signal generated by the digital sensor. The operation determination circuit stops an operation at least of the second power supply circuit when the analog sensor is used.

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: In a differential device, a differential case includes a first engaging part having engaging teeth on a first side wall of the differential case. A clutch member is disposed between the first side wall and a second side wall of the differential case in an axial direction. The clutch member includes a second engaging part. An urging member is disposed between the second side wall and the clutch member such that the urging member is compressed in the axial direction. When an actuator does not generate a pressing force, the first engaging part and the second engaging part are engaged with each other by the urging force of the urging member, and the differential case and the input member are connected together via the clutch member. The first engaging part is disengaged from the second engaging part by the pressing force provided due to actuation of the actuator.

Abstract: A visual inspection device is an inspection device using an image obtained by shooting an inspection surface of an object to be inspected with a camera disposed so as to face the inspection surface. The object to be inspected is a rolling bearing and the inspection surface is a surface included in an outer ring of the rolling bearing. A lighting device emits light from a light source as diffused light to the inspection surface in a direction different from a direction in which the camera shoots the inspection surface, and the camera shoots the inspection surface irradiated with the diffused light.

Abstract: An operating lever is fitted to an operating shaft and pivots with the operating shaft. A first cam brought to pivot by the operating lever and a second cam cam-engaged with the first cam to push a column jacket are supported by the operating shaft. The first cam includes a first projecting portion and a second projecting portion that are disposed on opposite sides of a central axial line in a manner as to face each other in a radial direction. The operating lever has a first hole into which the first projecting portion is fitted and a second hole into which the second projecting portion is fitted. The second hole has a larger dimension than the second projecting portion in the radial direction.

Abstract: A steering system includes a rack shaft, a tubular rack housing, and a tubular rack bushing. The rack bushing is interposed between the outer surface of the rack shaft and the inner surface of the rack housing. The rack bushing supports the rack shaft such that the rack shaft is slidable in the axial direction. The rack housing includes an annular groove on its inner surface. The rack bushing includes a collar. a through slit. and first non-through slits. The collar protrudes radially outward from substantially the entire circumference of the rack bushing. The collar is fitted into the annular groove. The through slit passes through the rack bushing in the axial direction. Each first non-through slit extends in the axial direction such that the first non-through slit passes through a portion of the rack bushing whose axial position corresponds to the axial position of the collar.

Abstract: A pump includes a piezoelectric element that deforms when a drive voltage is applied to it, and a reservoir that has a capacity to store lubricating oil and that is at least partially deformed elastically to change in the capacity when the piezoelectric element deforms. The pump discharges the lubricating oil when the reservoir decreases in the capacity. A drive circuit unit is switchable between an application state where the drive circuit unit applies the drive voltage to the piezoelectric element, and a release state where the drive circuit unit releases the drive voltage applied to the piezoelectric element. A controller controllably switches the drive circuit unit between the application state and the release state. An electric power storage unit stores electric power that is output from the piezoelectric element when the drive voltage applied to the piezoelectric element is released.

Abstract: An electric motor that is controlled by a motor control device has two-system multi-phase motor coils. The motor control device includes a common mode noise reduction unit that changes a PWM count in a PWM cycle for at least one phase in one of two systems such that a current that flows through a stray capacitance because of an output voltage for one phase in the other system is canceled out with a current that flows through the stray capacitance because of an output voltage for the at least one phase in the one system in at least one PWM cycle in a current control cycle.

Abstract: A bearing ring for a roller bearing includes: an inner layer part that is formed of tempering martensite or sorbite; and a surface layer part that surrounds the entire periphery of the inner layer part, in which Vickers hardness of a surface thereof is larger than that of the inner layer, and which is formed of tempering martensite. A raceway portion of the surface layer part a portion that is in contact with at least one end of the rolling contact surface of the roller in an axial direction, and includes a first raceway portion at which compressive residual stress of the raceway surface is relatively high.

Abstract: A warning device for a vehicle includes a warning vibration wave generator and a vibration applying device. For each of a plurality of vehicle conditions, the warning vibration wave generator generates a warning vibration wave having a frequency that varies with the vehicle speed detected by a vehicle speed sensor, and that differs for each vehicle condition at the same vehicle speed. Based on the warning vibration wave generated by the warning vibration wave generator, the vibration applying device applies a warning vibration corresponding to the warning vibration wave to a steering member.

Abstract: A control device mounted on a four-wheel drive vehicle includes: a slip ratio calculating unit that obtains a slip ratio of main driving wheels based at least on wheel speeds; a smoothing unit that smooths the slip ratio by filtering; and a driving force control unit that controls a driving force transmission device so that a driving force that is transmitted to auxiliary driving wheels increases as the slip ratio smoothed by the smoothing unit increases.

Abstract: An inner ring includes: a pair of shoulder outer peripheral surfaces on first and second axial sides of a raceway surface of the inner ring in contact with balls; seal grooves disposed in first and second axial ends of the inner ring and defining labyrinth clearances with lips; and edges disposed on the first and second axial sides. Each of the edges is configured to cause grease flowing along an associated one of the shoulder outer peripheral surfaces to leave the shoulder outer peripheral surface in the direction of an extension thereof. Each of the lips includes a lip oblique surface functioning as a guide surface to guide the grease that has left the edge not to a radially inner region of the bearing but to a radially outer region of the bearing.

Abstract: A taper roller bearing includes: an inner ring, an outer ring, a plurality of taper rollers, and an annular cage. The cage includes a small-diameter annular portion on one axial side, a large-diameter annular portion on the other axial side, and a plurality of column portions. A radial inner surface of the column portion is provided along a second virtual taper surface that is in the vicinity of a first virtual taper surface including a center line of the plurality of taper rollers, across the entire length in the longitudinal direction of the column portion.

Abstract: A ball bearing includes an inner ring, an outer ring, and a cage that supports balls. At least one portion of each prong of the cage overlaps with an inner ring raceway surface in an axial direction and the entirety of the prongs do not overlap with a shoulder of the inner ring in the axial direction. A pocket of the cage overlaps with virtual conical planes that are parallel to a reference virtual conical plane including an inner ring nominal contact point and an outer ring nominal contact point, and that are part, on the other axial side, of both a virtual conical plane including an edge between the inner ring raceway surface and the shoulder of the inner ring and a virtual conical plane including an edge between the outer ring raceway surface and the outer ring counter-bored portion.

Abstract: In a facility management system, a controller that constitutes an information acquisition device attached to a signal lamp executes: an acquisition process of acquiring light emission information using a sensor; a transmission process of wirelessly transmitting the light emission information after the acquisition process; and a hibernation process of bringing the controller into a hibernation state corresponding to a power-saving mode in a period from the transmission process to the next acquisition process. The time of the hibernation process is a variable time set in accordance with a hibernation random number.

Abstract: In a facility management system, a controller that constitutes an information acquisition device attached to a signal light includes: a flashing detection operation execution section that executes flashing detection operation in which first cyclic operation is repeatedly performed a plurality of times consecutively, the first cyclic operation being defined as operation constituted of predetermined sampling operation to acquire light emission information through a sensor and first quiescent operation performed subsequent to the sampling operation, and having a cycle corresponding to a flashing cycle of the signal lamp, and a continuation processing section that repeats second cyclic operation a plurality of times consecutively, the second cyclic operation being defined as operation constituted of the flashing detection operation and second quiescent operation performed subsequent to the flashing detection operation and having a time that is longer than a time of the first quiescent operation.