Abstract: A temperature detection apparatus and a rotation angle detection apparatus are provided that allow a temperature of a resolver to be calculated in real time. A rotation angle detection apparatus (10) (temperature detection apparatus) includes a resolver (20) with an excitation coil and output coils wound thereon, the excitation coil being subjected to an excitation voltage (VA) and the output coil outputting voltage signals (VB, VC) corresponding to the excitation voltage (VA), and a temperature calculation circuit (sensor microcomputer (32)) that detects a phase of the excitation voltage (VA) and that detects a phase of an excitation current (IA). The temperature calculation circuit (sensor microcomputer (32)) calculates a temperature of the resolver (20) based on a phase difference between the excitation voltage (VA) and the excitation current (IA).

Abstract: A power generation device includes a main shaft rotated by an external force, a speed-up gear, a high-speed shaft, a rolling bearing, a power generator, and a one-way clutch disposed between the output gear and the high-speed shaft. In a state where the main shaft is rotating in a positive direction, the one-way clutch integrally rotatably connects the output gear and the high-speed shaft to each other if a rotational speed of the output gear exceeds a rotational speed of the high-speed shaft, and breaks connection between the output gear and the high-speed shaft if the rotational speed of the output gear becomes lower than the rotational speed of the high-speed shaft.

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 rack guide is movably housed in a housing hole of a housing. A plug is screwed to an outer opening end portion of the housing hole. An urging member is interposed between the rack guide and the plug. External threads on the outer peripheral surface of the plug are screwed to internal threads at the outer opening end portion of the housing hole. The root portion of the external threads includes an interference portion that interferes with a crest portion of the internal threads.

Abstract: A shaft has a central axis and includes first and second members that are identical in shape and that form a shaft portion for providing one end of the shaft in an axial direction that the central axis extends in. Each of the first and second members includes a plate and an arm portion. The plates extend in the axial direction. The arm portions are located closer to the end of the shaft than the plates and are located farther from the central axis than the plates. The plates face each other across the central axis. The arm portions are couplable with a joint spider.

Abstract: A mechanism including at least one wheel which is mounted rotatably movable about a rotation axis, in a casing containing a lubricant, such as grease, the wheel being defined radially by a peripheral rim and axially by at least one first wheel flank, whereas the casing forms a covering crown which overlaps the first wheel flank, the wheel including at least one vane which projects axially on the first wheel flank, towards the covering crown, whereas the casing includes at least one deflector which projects axially on the covering crown, towards the first wheel flank, the vane and the deflector being arranged so that when a first leading edge of the vane approaches and then overflies a retaining edge of the deflector in the first direction of rotation, the imaginary intersection point thereof is shifted radially towards the rim so that the lubricant is sent back towards the rim.

Abstract: A cam grinding method using a cam grinding device includes: an intermediate-cam lift-data generating step of, based on first lift data of a first cam and second lift data of a second cam, generating imaginary intermediate cam lift data of a spline curve that contains profiles of both cams; a first cam grinding step of grinding the first cam; a second cam grinding step of grinding the second cam; and an intermediate-cam grinding step of removing an unground portion generated at a boundary portion between the first cam and the second cam by plunge grinding or spark-out grinding on the basis of the intermediate-cam lift data after the second cam grinding step.

Abstract: A cage assembly is moved in the axial direction to approach an inner ring from a small rib portion side. An inner ring assembly is constituted by causing tapered rollers of the cage assembly to climb over a small rib portion to be fitted on an inner raceway surface, and then is assembled to an outer ring. In this method, a jig is provided adjacent to the small rib portion. The jig includes recessed grooves that are formed in the outer peripheral portion of the jig and that enable contact of the respective tapered rollers. Each recessed groove has a recessed arcuate shape in cross section. The tapered rollers of the cage assembly are caused to slide radially outward along the recessed grooves, so that the diameter of cage is increased. Accordingly, the tapered rollers climb over the small rib portion to be fitted on the inner raceway surface.

Abstract: A machining apparatus machines an end face of a tapered roller with a grinding wheel. The machining apparatus includes a support mechanism configured to support the tapered roller, a wheel unit on which the grinding wheel is mounted, and a base configured to support the wheel unit so that the wheel unit is swivelable about a center line in a vertical direction. A machining point where the grinding wheel is brought into contact with the end face of the tapered roller supported by the support mechanism is located on an extension of the center line serving as a swivel center of the wheel unit.

Abstract: An object is to provide an attitude control system that can suppress an understeering characteristic when a vehicle such as an automobile travels in a medium-speed or low-speed range. A vehicle drives front wheels, and controls steering angles of the front wheels and steering angles of rear wheels. In an attitude control system to be mounted on the vehicle, a control amount detecting unit detects an operation amount of an accelerator pedal operated by a driver of the vehicle. A driving force estimating unit estimates a driving force generated on the front wheels based on the operation amount of the accelerator pedal. A rear-wheel steering angle determining unit determines a rear-wheel steering angle instruction value for controlling steering angles of the rear wheels based on an estimated front-wheel driving force that is the driving force estimated by the driving force estimating unit.

Abstract: Provided is a steering control device that more appropriately performs a limiting function for a controlled variable having an abnormal value even if a plurality of kinds of state quantities that are used for steering control include a state quantity that does not meet a required level of reliability. The range of variation in first assist controlled variable calculated by using steering torque, a steering torque differential value, and a steering velocity, namely state quantities for which the required level of reliability is ensured, is limited by final limiting values calculated based on first to third limit maps. The range of variation in compensation amount calculated by using a steering angle, namely a state quantity for which the required level of reliability is not ensured, is limited by predetermined upper and lower limits. A variation in compensation amount per unit time is limited by a predetermined variation limiting value.

Abstract: A conveying apparatus conveys an article between a wait position and a processing position. The conveying apparatus includes a plurality of arms that sandwiches the article between leading ends of the arms located on opposite sides of the article and that is provided to enable base ends of the arms to turn so as to move the leading ends in an up-down direction, and a control apparatus that turns the arms to lift the article located at one of the wait position and the processing position and sandwiched between the arms and that moves the arms with the article kept lifted thereby to the other of the wait position and the processing position, the control apparatus turning the arms to lower and mount the article at the other of the wait position and the processing position.

Abstract: A programmable logic controller capable of improving the expandability of a distributed control system and a programming tool for the programmable logic controller are provided. A programmable logic controller (PLC) that constitutes a distributed control system includes: a variable table that includes variable information including identification symbols for identification of a plurality of PLCs and variable names of reference variables, the variable information being set for each of the reference variables; a storage device that has a memory region for storing the reference variables; and an interface circuit that mutually converts communication data for use in communication between the PLC and a different PLC and the reference variables stored in the memory region. The reference variables are variables mutually referenced by the plurality of PLCs.

Abstract: A torque detecting apparatus includes an annular magnetic flux collecting ring, a magnetic flux collecting holder surrounding and holding the magnetic flux collecting ring, and a magnetic shield including a circumferential end and attached to the outer periphery of the magnetic flux collecting holder. The magnetic flux collecting holder includes a housing portion that houses in its inner space the circumferential end of the magnetic shield. The housing portion includes an outer wall radially inwardly facing an outer peripheral surface of the circumferential end of the magnetic shield such that a first clearance is provided between the housing portion and the outer peripheral surface of the circumferential end of the magnetic shield.

Abstract: A steering system includes a clutch that is disposed in a steering force transmission path between a steering wheel and steered wheels and that mechanically disconnects the steering force transmission path when energized, and mechanically connects the path when de-energized, and a an upstream sensor and a downstream sensor each of which detects at least one of a steering torque and a steering angle in the steering force transmission path. At least one of the upstream sensor and the downstream sensor detects an energization status of the clutch. A detected value of at least one of the steering torque and the steering angle is corrected using a first correction value when the clutch is energized, and the detected value of at least one of the steering torque and the steering angle is corrected using a second correction value different from the first correction value when the clutch is de-energized.

Abstract: A differential apparatus includes a differential gear mechanism in which side gears mesh with pinion gears, a pinion shaft that rotatably supports the pinion gear, a slide member that supports the ends of the pinion shaft, and pinion gear washers each disposed between the slide member and a corresponding one of the pinion gears. Movement of each pinion gear washer toward the slide member in the axial direction of the pinion shaft is restricted. When a force of the pinion gear pressing the pinion gear washer toward the slide member is less than a predetermined value, a clearance is formed between the slide member and the pinion gear washer. When the force of the pinion gear pressing the pinion gear washer toward the slide member is greater than the predetermined value, the outer surface of the pinion gear washer abuts the inner surface of the slide member.

Abstract: There is provided a torque detector configured such that a magnetic shield is fixed to a holder without the need for a component for fixation of the magnetic shield, and no backlash is caused between the magnetic shield and the holder after the magnetic shield is fixed to the holder. The torque detector has engagement grooves into which a magnetic shield is to be inserted when the magnetic shield is fitted onto outer peripheral surfaces of a first holder and a second holder. The magnetic shield has end portions to be inserted into the engagement grooves, and each of the end portions is provided with engaging members that are always engaged with inner surfaces of the engagement grooves, respectively, while being inserted into the engagement grooves, to restrict movement of the end portions in the counter-insertion direction.

Abstract: A tapered roller bearing includes an inner ring with a large rib, an outer ring, and multiple tapered rollers. Each of the tapered rollers has, at its axial end, a large end face that is a convex surface. The large rib has a rib face that is a concave surface and that is in contact with the large end face. When a distance from a position of contact between the large end face and the rib face to a cone center of the corresponding tapered roller is defined as R, a curvature radius of the large end face is defined as Rr, and a curvature radius of the rib face is defined as Ri, an inequality represented by 2?(Ri ?R)/(R?Rr)?10 is satisfied, where Rr<R<Ri.

Abstract: A driving power transmission device includes a fluid pressure type clutch device that transmits driving power between two shaft members, and a pump that supplies a fluid to the clutch device. The pump includes a pump that makes a pressure of sucked fluid high; a first flow passage through which the fluid according to a pressure discharged from the pump is supplied to the clutch device during a driving of the pump; a second flow passage through which the fluid discharged from the pump is held during a stop of the pump and a pressing force is applied to the clutch device by the fluid to be held; and a switching valve that is switchable between a normal mode where a discharge port of the pump communicates with the first flow passage and a locking mode where the discharge port of the pump communicates with the second flow passage.

Abstract: When supply of electric power to an inverter using a normally-ON switching element is abnormally stopped, a flow of a current to the switching element of the inverter is reduced. An inverter circuit includes an inverter having at least one arm including two normally-ON switching elements connected in series between two lines to which a voltage of a power supply is applied, a smoothing capacitor connected between the two lines at a position between the power supply and the inverter, and a normally-OFF relay connected into the first line out of the two lines at a position between the smoothing capacitor and the inverter.