Abstract: A power train may include an engine including a crankshaft and an engine block, a rotor portion connected to the crankshaft and of which a magnet is connected to a first side thereof, a stator portion disposed between the rotor portion and the engine block and a cylinder block water jacket formed on the engine and to which a motor cooling port for cooling a motor is formed.

Abstract: A heat pump system for a vehicle may include a battery cooling line that is connected with a battery module and in which coolant moves; a chiller that is connected with the battery cooling line through a first connection line to adjust a temperature of coolant by selectively exchanging a heat of a refrigerant and coolant injected therein and that is connected with a refrigerant line of an air-conditioner device through a second connection line; an electric unit device cooler including a radiator and a first water pump that are connected through a cooling line to circulate coolant for cooling a motor and an electronic unit and that is selectively connectable with the battery cooling line and the first connection line through a first valve; and a bypass line selectively connecting the second connection line and the refrigerant line through a second valve provided in the refrigerant line.

Abstract: Disclosed herein is an ultrasonic imaging apparatus including: a main body; a probe; a display unit connected to the main body in such a manner to be movable with respect to the main body; and a moving unit configured to connect the display unit to the main body, and to enable the display unit to move with respect to the main body, wherein the moving unit includes: a first coupling member rotatably attached on a part of the main body; a rotating arm coupled with the first coupling member and configured to rotate with respect to the first coupling member; and a moving member having one end coupled with the display unit, and installed in the rotating arm to enable the display unit to move in a longitudinal direction of the rotating arm.

Abstract: A display apparatus includes a rear chassis, a light source installed in the rear chassis to emit light, a diffuser plate that diffuses light emitted from the light source, a liquid crystal panel positioned in front of the diffuser plate to display an image, a front chassis that supports the liquid crystal panel, and a middle mold coupled between the front chassis and the rear chassis to support the diffuser plate, and is provided with a curved reflective surface formed in a curved shape to reflect the light, which is emitted from the light source module, to the diffuser plate.

Abstract: An interior permanent magnet electric motor forms a buried angle of a left permanent magnet of a slot part of a rotor differently from a buried angle of a right permanent magnet of the slot part of the rotor, so as to reduce torque ripple while sufficiently maintaining motor efficiency as compared to an I-type rotor to effectively improve noise, vibration, and harshness performance.

Abstract: Provided is an operating method of a monitoring device configured to monitor a microcontroller unit including a plurality of cores. The operating method includes: transmitting a question message to a first core among the plurality of cores; receiving an answer message from a second core among the plurality of cores; determining whether an operation of the microcontroller unit is abnormal, by using the answer message; receiving answer messages from cores, except for the second core, among the plurality of cores when the operation of the microcontroller unit is abnormal; and detecting an error of each of the plurality of cores by using the received answer messages.

Abstract: A battery cooling system may include a first cooling device including a first radiator and a first water pump connected through a first coolant line and circulating a coolant in the first coolant line to cool at least one electrical component and at least one motor; a second cooling device including a second radiator and a second water pump connected through a second coolant line and circulating the coolant in the second coolant line; a battery module mounted on a battery coolant line selectively connectable to the second coolant line through a valve; and a chiller mounted on the battery coolant line and through which the coolant passes, connected to a refrigerant line of an air conditioning device through a refrigerant connection line, and making the coolant which selectively flows exchange heat with a refrigerant supplied from the air conditioning device to control a temperature of the coolant.

Abstract: A powertrain for an electric vehicle includes: a motor that generates torque, a motor controller that controls the motor; a two-stage speed reducer connected to the motor and having a synchronizer movable to a neural position when the electric vehicle is parked; a pair of drive wheels connected to the two-stage speed reducer through a differential gear; a pair of electric parking brakes (EPBs) that locks or unlocks the pair of drive wheels, respectively, and a vehicle controller that controls the pair of EPBs. The synchronizer moves to the neutral position to prevent the torque of the motor from being delivered to the drive wheels.

Abstract: An integrated circuit test apparatus includes: a first test unit configured to output a current for a built-in self test (BIST) progress state for each internal circuit of an integrated circuit in a BIST test mode and to determine whether each internal circuit operates normally in a wake-up mode of the integrated circuit; and a first determination module configured to determine whether each internal circuit is in a stuck state based on a change detected by the first test unit.

Abstract: A direct-cooling stator core assembly having cooling channels so as to directly cool a stator core and a wound coil, and a driving motor for a vehicle including the same, are provided. The direct-cooling stator core assembly includes a stator core having an outer surface and a plurality of core recesses formed in the outer surface in a longitudinal direction. The direct-cooling stator core assembly further includes a cooling fluid supply member configured to supply cooling fluid to the core recesses in the stator core. In the direct-cooling stator core assembly, when cooling fluid is flowing through the core recesses, the cooling fluid flowing through the core recesses directly cools the stator core.

Abstract: The present disclosure provides a process for effectively separating and removing by-products (light gas, C5-C6 hydrocarbon oil fraction, polyethylbenzene) contained in a substantial amount in addition to ethylbenzene as a target compound in an alkylation reaction product of a fluidized catalytic cracking off-gas to prepare ethylbenzene having high purity, and process economical efficiency may be secured by utilizing the polyethylbenzene as an absorbent or gasoline fraction, without requiring a transalkylation reaction for further producing ethylbenzene from polyethylbenzene.

Abstract: A cooling module for a vehicle includes: a high temperature radiator including first and second header tanks into which a coolant flows and from which it is exhausted, and a plurality of tubes and heat radiating fins respectively interconnecting the first and second header tanks; a low temperature radiator including third and fourth header tanks into which a coolant flows and from which it is exhausted, and a plurality of tubes and heat radiating fins respectively interconnecting the third and fourth header tanks; and a condenser disposed at a side surface of the high temperature and low temperature radiators corresponding to the second and fourth header tanks to be respectively connected to the second and fourth header tanks and condensing a refrigerant flowing therein through heat exchange with a coolant supplied from the second and fourth header tanks.

Abstract: A centralized energy module for a vehicle includes a base plate, a compressor mounted on the base plate, a first condenser mounted on the base plate at a location spaced part from the compressor and configured for condensing the refrigerant through heat-exchange with a first coolant supplied from a high temperature radiator while firstly passing the refrigerant supplied from the compressor, a second condenser connected with the first condenser and configured for condensing the refrigerant through heat-exchange with a second coolant supplied from a low temperature radiator while secondly passing the refrigerant supplied from the compressor, an expansion valve connected with the second condenser, and an evaporator mounted on the base plate, evaporating the refrigerant supplied from the expansion valve through heat-exchange with a third coolant which flows into the evaporator and supplying the evaporated refrigerant to the compressor.

Abstract: An apparatus for cooling a motor of a hybrid vehicle includes a support ring that is disposed between a motor casing and a motor and has a shape that encloses the motor. A water jacket is formed in the support ring and circulates cooling water and an oil jacket is formed in a support ring and circulates oil. Further, oil is discharged from the oil jacket is sprayed onto the motor to enable the oil to be used to cool the motor and to enable cooling water to be used to cool the motor. Accordingly, the performance of cooling the motor is enhanced.

Abstract: A coil wiring unit of a drive motor for a vehicle is provided. The unit includes a bus bar assembly that has a plurality of bus bars for connecting coils of the drive motor to each phases stacked in a longitudinal direction. A plurality of insulating sheets are disposed between each of the bus bars and correspond to the shape of each of the bus bars.

Abstract: The present disclosure relates to manganese oxide nano-rods in the form of a core-shell, in which the manganese oxide nano-rods are formed in a core-shell structure, the core and the shell each include MnxOy, when x of MnxOy of the core is 1 and y is 2, x of MnxOy of the shell is 2 and y is 3, and when x of MnxOy of the core is 2 and y is 3, x of MnxOy of the shell is 1 and y is 2. According to the present disclosure, in the secondary battery using the manganese oxide, the elution of manganese is inhibited and the structural stability of an active material is increased, thereby increasing the capacity and the cycle life at a high temperature.

Abstract: A cooling fan control method for a vehicle is provided. The method includes turning on a starting of the vehicle and sensing a stack temperature. A first required speed of first and second cooling fans required by the stack radiator is set and a temperature of an electrical equipment is sensed to set a second required speed of the first cooling fan. When an air conditioner is operated; an air conditioner pressure is sensed and a second required speed of the second cooling fan required by the condenser is set. The method then compares the required speeds as well as a resonance frequency RPM to determine different setting conditions of the fans. The operation of the fans is complete when the coolant temperature and an air conditioner pressure of the stack and the electrical equipment are within a predetermined setting value.

Abstract: A centralized energy (CE) module for a vehicle may include a base plate; a compressor mounted on the base plate and compressing a refrigerant; a condenser mounted on the base plate at a location distanced from the compressor and exchanges heat between the compressed refrigerant supplied from the compressor with cooling water which flows into the condenser to condense the refrigerant; and an evaporator mounted on the base plate at a location distanced from the condenser and evaporating the refrigerant supplied from an expansion valve, integrally mounted, through heat transfer with the cooling water which flows into the evaporator and supplies the evaporated refrigerant to the compressor.

Abstract: The present disclosure relates to a lithium-transition metal-silicate complex that is formed into a sphere with a hollow, in which a radius of the hollow is in a range of 0.5 to 3.0 nm, and a diameter of the lithium-transition metal-silicate complex is in a range of 5 to 10 nm. The present disclosure enables to facilitate the mass production of a complex including a lithium-transition metal-silicate complex, having a micro-sized hollow, and having a spherical shape. In addition, when using a lithium-transition metal-silicate complex of the present disclosure as a cathode active material for a lithium secondary battery, it is capable of providing a cathode active material for a lithium-ion battery excellent in charging and discharging characteristics as well as in high-rate characteristics.

Abstract: A method of controlling an air conditioning system for a vehicle is provided. The method includes detecting a cooling mode while the vehicle is being driven and comparing a vent discharge temperature of air with a cooling target temperature set by a user. When the vent discharge temperature is greater than the cooling target temperature the compressor RPM is determined and air is introduced into the vehicle without passing through the interior heat exchanger and the electric heater. When the vent discharge temperature is less than the cooling target temperature, the compressor RPM is determined and a door in the system is opened to guide the air through the interior heat exchanger to heat the air is heated and then the vent discharge temperature is compared with the cooling target temperature again, and the electric heater is operated.