Abstract: A valve device includes a body, a solenoid valve, and a manual valve mounted to the body. The manual valve being configured to open and close the gas flow channel via a manual operation. The gas flow channel includes a first flow channel including the valve-side opening portion, and a second flow channel including the tank-side opening portion, and includes an intersection portion in which a first center axis that is a center axis of the first flow channel and a second center axis that is a center axis of the second flow channel intersect with each other. A center axis of the solenoid valve coincides with an extension line of the first center axis and a center axis of the manual valve coincides with an extension line of the second center axis.

Abstract: A steering system includes a steering shaft; a reaction motor; and a control unit configured to control the reaction motor. The control unit has a function of performing a correction process of rotating the steering wheel using the reaction motor such that a displacement in a rotational position of the steering wheel with respect to a correct rotational position corresponding to a turning position of the turning wheels decreases when a power supply of the vehicle is turned on and the rotational position of the steering wheel is different from the correct rotational position. The control unit is configured to perform the correction process when the displacement is equal to or greater than a predetermined permissible value and not to perform the correction process when the displacement is less than the permissible value.

Abstract: A drive carriage of a vehicle steering system positioned between a movable tube and a drive member, having an attachment zone intended to cooperate with the movable tube, the attachment zone making a fixation of the movable tube on the drive carriage when a force exerted on the attachment zone is below a first predetermined threshold and a movement of the movable tube relative to the drive carriage when the force exerted on the attachment zone exceeds the first predetermined threshold, the drive carriage comprises a coupling zone intended to cooperate with a cover part making the fixation of the cover part on the drive carriage when a force exerted on the coupling zone is below a second predetermined threshold and a movement of the cover part relative to the drive carriage when the force exerted on the second coupling zone exceeds the second predetermined threshold.

Abstract: A cutting tool includes: a cutting part including a cutting edge having a linear shape; and a fitted part including a fixed section to which the cutting part is fixed, and a fitted part body to be fitted to a cutting device. The cutting edge is located perpendicularly to a virtual line passing through a central axis of the fitted part body, on a plane that is perpendicular to the central axis of the fitted part body. A center of the cutting edge in its longitudinal direction is located on the virtual line.

Abstract: A rolling bearing includes a first raceway surface; a second raceway surface; and a plurality of rolling elements rotatably arranged between the first raceway surface and the second raceway surface. Multiple recesses are provided on at least one surface among the first raceway surface, the second raceway surface, and rolling surfaces of the plurality of the rolling elements. An area ratio of openings of the recesses to the at least one surface is in a range of 5% to 37%. An equivalent circle diameter of the opening of each of the recesses is in a range of 1 ?m to 27 ?m. A depth of each of the recesses in a direction normal to the at least one surface is in a range of 3 ?m to 10 ?m. A surface waviness of the at least one surface excluding the recesses is smaller than or equal to 0.2 ?m.

Abstract: A steering system includes an operation member; a first movement mechanism configured to move the operation member between a normal position and a storage area located forward of the normal position; a second movement mechanism configured to move the operation member so as to change a position of the operation member in an up-down direction of the vehicle; and a control unit configured to control the first and second movement mechanisms. The storage area is located inward of an opening of a vehicle member provided in front of a driver's seat in the vehicle. The control unit is configured to control, in a case where the operation member is retracted into the storage area, the first movement mechanism and the second movement mechanism to perform a forward movement of moving the operation member that has reached a vicinity of the vehicle member, along an outer shape of the vehicle member.

Abstract: A method for the gradual activation and deactivation of a steering return function in a vehicle, the vehicle including at least two wheels, a steering wheel, an assist motor applying an assist torque to a steering rack, and a drive motor applying a wheel torque to the wheels, the method including a step of calculating an application gain including a first phase of determining a first gain dependent on the wheel torque of at least one of the two wheels, a step of estimating the assist torque associated with the return function, and a step of multiplying the assist torque associated with the return function and the application gain, wherein during the application gain calculation step the method also includes a second phase of determining a second gain dependent on the angle of the steering wheel and the difference in the rotation speeds of the at least two wheels.

Abstract: There are provided a molding conditions determination assist device and a resin state estimation device including: a quality estimation unit which estimates quality of the mold products by a machine learning on the basis of a detection data; a quality transition storage unit which accumulates the estimated quality of the mold products and stores a quality transition with respect to the accumulated quality of the mold products; a tendency evaluation unit which evaluates a quality change tendency with respect to a prescribed standard quality on the basis of the quality transition; a relationship storage unit which stores a relationship between the quality change tendency and a modification amount of the molding conditions for returning the quality to the standard quality; and a modification conditions determination unit which determines the modification amount of the molding conditions on the basis of the quality change tendency and the relationship.

Abstract: A ball screw device includes a plurality of ball screw devices. In one ball screw device, a recirculation member is larger than the recirculation member in another ball screw device in terms of one mounting dimension of two mounting dimensions selected from a circumferential length of a part at a side of a pick-up opening portion in each pick-up portion, a circumferential length of a part at a side opposite to the pick-up opening portion in each pick-up portion, a circumferential length of a connection passage portion and an axial length of the connection passage portion, and the recirculation member is smaller than the recirculation member in the other ball screw device in terms of another mounting dimension of the two mounting dimensions, the other ball screw device being different in a diameter of a screw shaft from the one ball screw device.

Abstract: There is provided an additive manufacturing device including a control device of controlling a relative posture of a heat retaining light beam irradiation device to a melting light beam irradiation device, in a state where a heat retaining light irradiation range of a heat retaining light beam larger than a melting light irradiation range of a melting light beam is overlapped with the melting light irradiation range, and such that a size of the heat retaining light irradiation range is changeable with respect to a size of the melting light irradiation range.

Abstract: A motor control device includes: a second setting unit configured to set an armature current command value and a current phase angle command value based on a rotation speed and a motor torque command value; and a current vector setting unit configured to set a d-axis current command value and a q-axis current command value based on the armature current command value and the current phase angle command value. The second setting unit is configured to set the armature current command value and the current phase angle command value such that an armature current vector which is set based on the d-axis current command value and the q-axis current command value is included in an area surrounded by an armature current vector locus in maximum torque/current control and a vertical axis in a d-q coordinate system.

Abstract: An upper bracket of a steering column apparatus includes a vehicle body-side bracket including side plates, a tube-side bracket including side plates, and a support shaft. The vehicle body-side bracket has first coupling holes in the side plates. The tube-side bracket has second coupling holes in the side plates. The first coupling holes and the second coupling holes are configured such that the vehicle body-side bracket and the tube-side bracket are coupled together by inserting the support shaft through the first coupling holes and the second coupling holes. Each of the second coupling holes is open rearward and is configured such that, when an axial load equal to or greater than a predetermined load is applied to an upper tube, fitting between the second coupling hole and the support shaft is terminated and the tube-side bracket moves forward.

Abstract: A column jacket includes a hollow outer jacket having a pair of clamped portions disposed to sandwich a slit between the clamped portions and a tubular inner jacket having, in an area where the inner jacket is fitted in the outer jacket, an elongated hole extending in an axial direction. A clamping mechanism clamps the pair of clamped portions with a pair of side plates of a fixed bracket. The elongated hole is disposed on any one of a first side and a second side, in the lateral direction, of a vertical plane passing through a central axis of the inner jacket, at a position other than on a straight line that extends in a vertical direction through the central axis.

Abstract: A sensor includes a main drive gear mounted on a shaft that is subjected to detection by the sensor such that the main drive gear is rotatable integrally with the shaft; at least one driven gear meshing with the main drive gear; a sensor housing accommodating the main drive gear and the at least one driven gear; a biasing member biasing the at least one driven gear toward the main drive gear; and a conversion mechanism configured to convert an axial force that is parallel to an axial direction of the shaft and acts on the at least one driven gear to a force in such a direction that the at least one driven gear is separated from the main drive gear when a part of the at least one driven gear contacts a part of the main drive gear while the shaft is inserted in the sensor housing.

Abstract: A drive force transfer device is mounted on a four-wheel-drive vehicle having main drive wheels and auxiliary drive wheels. A cam mechanism presses a main clutch in the axial direction. An electromagnetic clutch mechanism actuates the cam mechanism and has an electromagnetic coil and a pilot clutch. When the electromagnetic coil is not energized, the pressing force of the cam mechanism, which is generated because of drag torque of the pilot clutch in the case where a output rotary member rotates faster than a input rotary member, is smaller than that generated because of drag torque of the pilot clutch in the case where the input rotary member rotates faster than the output rotary member.

Abstract: A motor control device is configured to control a motor as a dynamic force source depending on a position of a rotation detection object that rotates while interlocking with the motor, the motor and the rotation detection object being included in a mechanical apparatus including a plurality of constituent elements that interlock with each other. The motor control device includes a computation circuit configured to compute an absolute rotation angle of the rotation detection object, using a relative rotation angle of a first constituent element of the mechanical apparatus that is detected through a relative angle sensor provided in the mechanical apparatus, and a rotation number conversion value resulting from converting an absolute rotation angle of a second constituent element of the mechanical apparatus that is detected through an absolute angle sensor provided in the mechanical apparatus, into a rotation number of the first constituent element.

Abstract: An assist device includes an actuator; a first body-worn unit including a belt body; right and left arms; and second body-worn units that are attached to distal parts of the arms and worn on thighs of the user. The belt body includes an upper belt and a lower belt provided on a back side of the user, the upper belt and the lower belt respectively extending along an upper side and a lower side of buttocks of the user. The assist device includes a restraining belt that connects the second body-worn units to the lower belt and restrains the lower belt from moving upward.

Abstract: A sensor device that can suppress deformation of a holder due to a molding pressure applied during injection molding of a housing is provided. A second magnetism collection portion holder has a suppression portion that projects from a second holder body portion toward a first holder and that suppresses deformation of the holder due to the molding pressure applied during the injection molding. The distal end surface of the suppression portion abuts against the inner surface of a first holder body portion with the first holder and a second holder assembled to each other with a sensor unit interposed therebetween.

Abstract: A control circuit connected to a control device configured to control a motor connected to a rotation shaft that is convertible into a turning angle of a turning wheel, the control circuit includes a main circuit configured to calculates a rotation number indicating a rotational state of the rotation shaft based on a detection signal from a rotation angle sensor configured to detect a rotation angle of the motor as a relative angle, a detection result communication unit configured to detect whether or not there is an abnormality in the main circuit and output a detection result to the control device, and a pseudo abnormality generating unit configured to set the detection result to be abnormal based on a pseudo abnormal signal from the control device.

Abstract: An assist device includes a first body-worn unit that is worn on at least shoulders or a chest of a user; a second body-worn unit that is worn on each of right and left legs or a waist of the user; a belt body provided to extend along a back side of the user, from the first body-worn unit to the second body-worn unit; an actuator provided in the first body-worn unit or the second body-worn unit and allows a part of the belt body to be reeled and unreeled; a battery configured to supply electricity to the actuator; and a controller configured to control the actuator. When a remaining charge level of the battery has decreased to a predetermined set value, the controller executes a vibrating motion process of causing the actuator to perform a vibrating motion of intermittently repeating reeling of a minute amount of the belt body.