Abstract: A method of fabricating a housing of a motor includes: forming a core of a cooling channel continuously provided inside the housing. In particular, the cooling channel includes channel portions spaced apart from each other and extending in different directions. The method further includes: casting the housing by placing the core inside a mold; and demolding the core.

Abstract: Provided is a wheel bearing for a part-time four-wheel-drive vehicle capable of switching between a two-wheel-drive mode and a four-wheel-drive mode. The wheel bearing includes a wheel hub to which a vehicle wheel is mounted and which rotates together with the vehicle wheel; at least one inner ring mounted to the wheel hub; an outer ring fixedly coupled to a vehicle-body-side member; and a plurality of rolling elements configured to rotatably support the wheel hub and the inner ring relative to the outer ring. An inner circumferential surface of the wheel hub is provided with hub splines extending in an axial direction such that a clutch member is configured to be selectively connected to and disconnected from the hub splines to perform switching between the two-wheel-drive mode and the four-wheel-drive mode. The hub splines of the wheel hub are configured to undergo surface hardening heat treatment.

Abstract: A motor includes a stator including (i) a stator core, (ii) an insulator disposed at the stator core, and (iii) a coil wound around the insulator, a rotor configured to rotate relative to the stator, and a temperature sensor that is in contact with the coil and configured to measure a temperature of the coil. The temperature sensor has a first region and a second region that are spaced apart from each other in a circumferential direction of the temperature sensor and that are surrounded by at least one of the coil or an insulating member.

Abstract: The present invention relates to a server operation method in which base institutions are operated in various regions, and artificial neural network models are shared among institutions to provide services. A method of operating a central server according to one embodiment comprises the steps of: receiving training results of artificial neural network models trained individually from a plurality of individual servers; generating a common model on the basis of the training results; and transmitting the common model to the plurality of individual servers.

Abstract: A propulsion unit includes a stator, a rotor configured to rotate relative to the stator, an inverter electrically connected to the stator, and a cooling housing through which coolant flows inside. The cooling housing is in contact with the stator and the inverter.

Abstract: The present disclosure relates to an actuator assembly configured for rotating an exterior rear-view mirror, in particular a head of the exterior rear-view mirror, mounted to a vehicle, the actuator assembly comprising: at least one tilt worm gear; at least one tilt pinion gear having at least an external surface and internal surface, wherein the external surface of the tilt pinion gear meshes at least partly with the tilt worm gear; at least one tilt shaft comprising a central shaft, wherein the central shaft comprises a first end and a second end, wherein the second end of the central shaft is configured to connect to the exterior rear-view mirror, in particular its head, and the central shaft has a first axis of rotation, at least one tilt cover comprising at least a primary bore, wherein the primary bor is configured to couple at least partly with the first end of central shaft, to coincide with the first axis of rotation.

Abstract: A propulsion unit of an air mobility apparatus includes a stator, a rotor configured to rotate relative to the stator, and an inverter disposed radially inward relative to the stator in a radial direction of the stator and electrically connected to the stator. The propulsion unit further includes a propeller connected to the rotor and a cooling housing that is disposed adjacent to the stator and the inverter and that includes a cooling channel, the cooling housing being in contact with at least one component of the inverter.

Abstract: A channel structure includes a cooling channel continuously formed inside a housing. A coolant is configured to flow in the cooling channel. The cooling channel includes a plurality of channel portions spaced apart from each other and extending in the housing by changing directions.

Abstract: A propulsion unit includes a stator, a rotor configured to rotate relative to the stator, an inverter electrically connected to the stator, a cooling housing that is disposed adjacent to the stator and the inverter and defines a cooling channel, where the cooling channel includes a plurality of channels configured to carry coolant independently and circulate the coolant around the stator and the inverter, and a cooling unit connected to the cooling channel, where the cooling unit includes at least one of a heat exchanger or a pump.

Abstract: The disclosure relates to a bracket structure used for assembling an inside rearview mirror for a vehicle, and the bracket structure includes: a base member attached to an inside of a windshield for the vehicle; a bracket including an accommodation area formed therein; a press member including a mounting area and inserted into the accommodation area of the bracket to be positioned between the base member and the bracket; and a fastening member penetrating through a first penetrating hole and a second penetrating hole to fasten the bracket and the press member.

Abstract: A motor including a cooling structure configured to directly cool a coil of a stator of the motor. The stator includes a stator core and a coil. The stator core may include a plurality of teeth configured to have the coil wound thereon, a plurality of slots partitioned by the teeth, and a flow path configured to communicate with the slots from the outer circumference of the stator core through the stator core and allow oil to be supplied therethrough.

Abstract: The present disclosure provides a sealing device and an in-wheel motor including the sealing device. The in-wheel motor includes a stator, a rotor rotatably disposed with respect to the stator, an annular inner seal connected to the stator and spaced apart from the rotor by a predetermined gap so as to be disposed between the stator and the rotor, and an annular slinger coupled to an end portion of the rotor, wherein the annular inner seal seals between the slinger and the in-wheel motor.

Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.

Abstract: An in-wheel motor system includes a fixed part, a rotating part configured to be rotatable relative to the fixed part, and a brake mounted on the fixed part. The brake includes a friction material disposed to contact the rotating part.

Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.

Abstract: A cooling structure includes a housing having a cooling channel defined therein through which a coolant flows and includes a sealing cap fitted to a hole of the housing to seal the hole. The sealing cap includes a blocking member configured to be in contact with an internal surface of the housing. The cooling structure may be for cooling a motor, such as an in-wheel vehicle motor.

Abstract: A channel structure includes a cooling channel continuously formed inside a housing. A coolant is configured to flow in the cooling channel. The cooling channel includes a plurality of channel portions spaced apart from each other and extending in the housing by changing directions.

Abstract: The present disclosure provides a sealing device and an in-wheel motor including the sealing device. The in-wheel motor includes a stator, a rotor rotatably disposed with respect to the stator, an annular inner seal connected to the stator and spaced apart from the rotor by a predetermined gap so as to be disposed between the stator and the rotor, and an annular slinger coupled to an end portion of the rotor, wherein the annular inner seal seals between the slinger and the in-wheel motor.

Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.

Abstract: A method for decoding an image based on an intra prediction, comprising: obtaining a first prediction pixel of a first region in a current block by using a neighboring pixel adjacent to the current block; obtaining a second prediction pixel of a second region in the current block by using the first prediction pixel of the first region; and decoding the current block based on the first and the second prediction pixels.