Abstract: A fire spreading prevention method in an energy storage system (ESS) composed of a plurality of battery racks including an individual battery rack fire detection step of detecting whether a fire occurs for each of the plurality of battery racks and a battery rack forced discharge step of forcibly discharging at least some of the plurality of battery racks when a fire is detected in the individual battery rack fire detection step.

Abstract: A vehicular heat management system includes: a heat pump type refrigerant circulation line including a compressor, a high-pressure side indoor heat exchanger, a heat pump mode variable expansion valve, an outdoor heat exchanger, an air conditioner mode variable expansion valve, and a low-pressure side indoor heat exchanger; a cooling water circulation line configured to circulate cooling water between a radiator and a specific cooling target; and a refrigerant-cooling water chiller configured to allow the refrigerant in the refrigerant circulation line transferred from the outdoor heat exchanger to the low-pressure side indoor heat exchanger to exchange heat with the cooling water in the cooling water circulation line circulated through the specific cooling target.

Abstract: A LIDAR device is disclosed. The LiDAR according to one embodiment of the present disclosure may include an optical transmitter for transmitting a laser pulse for detection of an external object, an optical receiver for receiving the laser pulse reflected by the external object, and a controller for controlling the optical transmitter and the optical receiver, wherein the controller may determine whether a first condition or a second condition is met, if the first condition is met, the optical transmitter may transmit a duty cycle of the laser pulse at a first duty cycle under control of the controller, and if the second condition is met, the optical transmitter may increase the duty cycle of the laser pulse to a second duty cycle greater than the first duty cycle under the control of the controller and transmit at the second duty cycle.

Abstract: A method for manufacturing a one-piece wheel by forging includes: producing an integral forging comprising: a disc portion, a rim portion, and an annular protrusion protruding from one side of the disc portion in a forging method; producing an outer bend by bending the annular protrusion through a flow-forming process; and forming a hollow portion by welding one end of the outer bend to one side of the rim portion.

Abstract: A battery pack includes at least two battery modules arranged in one direction; and a fire extinguisher having a linear temperature sensor partially extending linearly along the at least two battery modules and configured to sense whether at least one of the at least two battery modules has a temperature over a predetermined temperature, a fire extinguishing tank configured to accommodate a fire extinguishing agent therein, a pipe connected to the fire extinguishing tank to supply the fire extinguishing agent from the fire extinguishing tank to each of the at least two battery modules, and a valve opened to supply the fire extinguishing agent from the fire extinguishing tank to the battery module over the predetermined temperature.

Abstract: The present disclosure discloses a display device improving the visibility of an image and a method of improving the visibility of an image therefor. The display device can improve the visibility of an image by implementing a global compensation and a local compensation adaptively to content that is represented in an image.

Abstract: The present disclosure discloses a display device for improving visibility of an image and a visibility improvement method of an image therefor, and the display device implements global compensation and local compensation adaptively to content displayed in the image, thereby improving the visibility of the image.

Abstract: A vehicular heat management system includes: a refrigerant circulation line including a compressor, a high pressure side heat exchanger, an outdoor heat exchanger, a plurality of expansion valves arranged on the heat pump type refrigerant circulation line, and a low pressure side heat exchanger; and a control part configured to calculate an optimal control value by arithmetically processing real-time information on one or more factors affecting a temperature and a pressure of a refrigerant circulating along the refrigerant circulation line, through the use of a pre-stored calculation formula, and control at least one of the expansion valves based on the calculated optimal control value.

Abstract: A battery pack includes at least two battery modules arranged in one direction; and a fire extinguisher having a linear temperature sensor partially extending linearly along the at least two battery modules and configured to sense whether at least one of the at least two battery modules has a temperature over a predetermined temperature, a fire extinguishing tank configured to accommodate a fire extinguishing agent therein, a pipe connected to the fire extinguishing tank to supply the fire extinguishing agent from the fire extinguishing tank to each of the at least two battery modules, and a valve opened to supply the fire extinguishing agent from the fire extinguishing tank to the battery module over the predetermined temperature.

Abstract: A method for manufacturing a vehicle wheel includes: a casting process of manufacturing the wheel in a one-piece body having a forming end and a temporary flange protruding at inner and outer sides of the wheel, respectively, wherein the one-piece body further includes a resonance chamber forming groove; a primary shape machining process of forming a stepped part at an outer circumferential side of the resonance chamber forming groove; a flow forming process of bending the forming end to be seated on the stepped part; a friction stir welding process of integrally bonding a portion where the forming end and the stepped part are in close contact with each other; a fine machining process of removing the temporary flange; and a sound-absorbing hole machining process of forming a sound-absorbing hole for communicating between the resonance chamber and an interior space of a tire in the forming end.

Abstract: A vehicular air conditioning system includes a compressor configured to compress a gaseous refrigerant to have a high temperature and a high pressure while an output rotation speed thereof is variably controlled according to a cooling load in a vehicle interior, and a compressor performance deterioration determination part configured to determine whether or not the performance of the compressor has deteriorated according to the magnitude of a difference between an amount of work (W) of the compressor and an amount of power consumption (kW) of the compressor.

Abstract: Vehicular air conditioning system improving the ease of assembly and the maintainability of a photocatalyst module by structural improvement of an intake case and suppressing an air vortex generated at the air intake side during air intake process in a blower and a rumbling noise caused by the air vortex. The vehicular air conditioning system includes an intake part configured to suck indoor or outdoor air and blow air into a vehicle interior, a photocatalyst module purifying the air by emitting superoxide radicals toward the air blown into the vehicle interior from the intake part, which is installed on a downstream outer surface portion of a blower casing of the intake part, and an interference avoidance groove for avoiding interference with the photocatalyst module is formed on an outer surface portion of the intake case corresponding to the periphery of the photocatalyst module installed in the blower casing.

Abstract: A vehicular heat management system is provided with a heat pump type refrigerant circulation line that cools and heats specific air conditioning regions by generating a hot air or a cold air depending on a flow direction of a refrigerant. The system includes a compressor configured to suck, compress and discharge the refrigerant, a high-pressure side heat exchanger configured to dissipate heat of the refrigerant discharged from the compressor, an outdoor heat exchanger configured to allow the refrigerant to exchange heat with an air outside the vehicle, an expansion valve configured to depressurize the refrigerant flowing out of the high-pressure side heat exchanger or the outdoor heat exchanger, and one or more low-pressure side heat exchangers configured to evaporate the depressurized refrigerant. The outdoor heat exchanger and the low-pressure side heat exchangers are connected in series or in parallel depending on an air conditioning mode.

Abstract: A method for manufacturing a vehicle wheel includes: a casting process of manufacturing the wheel in a one-piece body having a forming end and a temporary flange protruding at inner and outer sides of the wheel, respectively, wherein the one-piece body further includes a resonance chamber forming groove; a primary shape machining process of forming a stepped part at an outer circumferential side of the resonance chamber forming groove; a flow forming process of bending the forming end to be seated on the stepped part; a friction stir welding process of integrally bonding a portion where the forming end and the stepped part are in close contact with each other; a fine machining process of removing the temporary flange; and a sound-absorbing hole machining process of forming a sound-absorbing hole for communicating between the resonance chamber and an interior space of a tire in the forming end.

Abstract: The present disclosure relates to an apparatus for trapping of a reaction by-product capable of expanding the area for collection by inducing a gas flow, in which an internal trapping tower of the apparatus for trapping of a reaction by-product, which traps a reaction by-product contained in gas discharged from a process chamber during a semiconductor manufacturing process, is divided into multiple stages, the introduced gas is guided to a lower side of an inner region of an intermediate trapping unit provided as a space portion and discharged to an outer region while a trapping reaction occurs according to the reaction by-product trapping amount during a former part of a use duration time.

Abstract: The present disclosure relates to an apparatus for trapping of a reaction by-product with an extended available collection area. The configuration of the present disclosure relates to an apparatus for trapping of a reaction by-product, which is configured to accommodate gas, which is discharged after a deposition process during a semiconductor manufacturing process, in a housing (1), heat the gas with a heater (2), trap a reaction by-product contained in the gas by using an internal trapping tower (3), and discharge only the gas.

Abstract: The present disclosure relates to an apparatus for trapping of a reaction by-product with an extended available collection area. The configuration of the present disclosure relates to an apparatus for trapping of a reaction by-product, which is configured to accommodate gas, which is discharged after a deposition process during a semiconductor manufacturing process, in a housing (1), heat the gas with a heater (2), trap a reaction by-product contained in the gas by using an internal trapping tower (3), and discharge only the gas.

Abstract: The present disclosure relates to an apparatus for trapping of a reaction by-product capable of expanding the area for collection by inducing a gas flow, in which an internal trapping tower of the apparatus for trapping of a reaction by-product, which traps a reaction by-product contained in gas discharged from a process chamber during a semiconductor manufacturing process, is divided into multiple stages, the introduced gas is guided to a lower side of an inner region of an intermediate trapping unit provided as a space portion and discharged to an outer region while a trapping reaction occurs according to the reaction by-product trapping amount during a former part of a use duration time.

Abstract: A method for manufacturing a one-piece wheel by forging includes: producing an integral forging comprising: a disc portion, a rim portion, and an annular protrusion protruding from one side of the disc portion in a forging method; producing an outer bend by bending the annular protrusion through a flow-forming process; and forming a hollow portion by welding one end of the outer bend to one side of the rim portion. The method manufactures the one-piece wheel having stronger shear strength and stiffness and better fatigue life even while reducing the noise using the forging method.

Abstract: The present disclosure provides an apparatus for trapping of a reaction by-product having a self regenerating function for a used inner collecting tower, and an object of the present disclosure is to provide the reaction by-product trapping apparatus configured such that the trapping apparatus positioned between a process chamber and a vacuum pump or between the vacuum pump and a scrubber stops operating during a semiconductor manufacturing process when a trapping reaction of trapping a reaction by-product reaches a saturated state during a trapping operation, and the trapping apparatus removes the reaction by-product produced in an inner collecting tower through a heating reaction, such that the inner collecting tower is regenerated to enable an additional trapping reaction to be performed.