Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).

Abstract: Controlling a speed limit includes determining a virtual vehicle speed as being a lower one of a vehicle speed and a target limit speed, determining a virtual APS value as being a larger one of a first APS value and a second APS value, transitioning to a second mode at a point in time at which an actual APS value and the second APS value become different, when it is expected to transition to the second mode, among a first mode for sustaining a SOC of a battery at the target limit speed and the second mode for depleting the SOC, and determining a transmission gear position by applying the determined virtual vehicle speed and the determined virtual APS value to one of a first shifting pattern and a second shifting pattern.

Abstract: A brake lamp control method of a vehicle is provided. The method includes determining whether a deceleration of the vehicle based on regenerative brake through the electric motor is present in a hysteresis period between an off threshold as a reference for turning off a brake lamp and an on threshold as a reference for turning on the brake lamp. When the deceleration of the vehicle is present in the hysteresis period, the method includes determining a state of the brake lamp before the deceleration of the vehicle enters the hysteresis period. In response to determining that the brake lamp is turned on or off for a reason except for the regenerative brake before the deceleration of the vehicle enters the hysteresis period, a request for turning on the brake lamp is set or reset based on the regenerative brake in response to the determined state of the brake lamp.

Abstract: An embodiment is a ramp apparatus for a vehicle, the ramp apparatus including a first ramp platform, a second ramp platform configured to telescopically move with respect to the first ramp platform, a third ramp platform configured to telescopically move with respect to the second ramp platform, and a drive mechanism configured to move the second ramp platform and the third ramp platform, wherein the drive mechanism includes a drive sprocket, a driven sprocket spaced apart from the drive sprocket, a chain connecting the drive sprocket and the driven sprocket, a motor configured to drive the drive sprocket, a drive pinion coupled to the drive sprocket, a drive rack gear meshing with the drive pinion, a driven pinion coupled to the driven sprocket, and a driven rack gear meshing with the driven pinion.

Abstract: An embodiment is a ramp apparatus for a vehicle, the ramp apparatus including a housing mounted on a vehicle body, a ramp assembly configured to move between a stowed position in which the ramp assembly is stowed in the housing and an extended position in which the ramp assembly is extended out from the housing, wherein the ramp assembly is configured to be moved telescopically to be extended and retracted. The ramp apparatus may further include a hinge mechanism configured to allow the ramp assembly to pivot when the ramp assembly is deployed from the housing, wherein the hinge mechanism includes a moving body connected to the ramp assembly through a hinge shaft, and a hinge drive unit mounted on the moving body.

Abstract: An air mobility may include a wing portion extending from a fuselage of the air mobility; a folded portion provided at an edge portion of the wing portion, configured to extend from the wing portion to form a part of the wing portion during unfolding of the folded portion, and configured to move to overlap with the wing portion during folding of the folded portion, so that an area of air resistance in a vertical direction of the wing portion is reduced; an actuator connected to the folded portion and configured to provide power to the folded portion, so that the folded portion is unfolded or folded to the wing portion; and a controller connected to the actuator and configured to control the actuator, so that the folded portion is folded during vertical takeoff or landing of the fuselage, and configured to control the actuator to unfold the folded portion during cruising of the fuselage.

Abstract: An air mobility vehicle may include air flaps located under a mounting position of each of rotary wings and rotatably mounted inside openings to guide a flow direction of air flowing to a region under each of the rotary wings or air flowing above the openings to inside of the air mobility vehicle, an actuator coupled to the air flaps and configured to rotate the air flaps to direct the air having passed through the air flaps to a motor, an inverter, or the motor and the inverter of each of the rotary wings, or batteries, and a controller electrically connected to the actuator and configured to control a flow of the air having passed through the air flaps by controlling the actuator depending on a driving state of the air mobility vehicle or temperatures of the motor and the inverter of each of the rotary wings or a temperature of the batteries.

Abstract: A propeller tilting apparatus of air mobility may include a guide bracket configured to extend in forward and rearward directions; a sliding mechanism provided in the guide bracket to be movable in the forward and rearward directions, and including a driving motor configured to generate rotation force, and a power conversion unit connected to the guide bracket and configured to convert the rotation force of the driving motor into rectilinear motion of the sliding mechanism; and a tilting mechanism engaged to the power conversion unit to be moved together with the sliding mechanism, and including a propeller motor configured to be tilted in the upward and downward directions, and an angle conversion unit connected to the propeller motor and the power conversion unit to tilt the propeller motor using the rotation force transmitted from the power conversion unit.

Abstract: A propeller apparatus of an air mobility may include blades configured for being folded or unfolded in a response to flight situation of the air mobility, so that energy efficiency of the air mobility is improved and flight distance is increased by efficient use of the plurality of blades in each flight situation. Furthermore, as a pitching motion of the plurality of blades is performed in addition to a folding or unfolding motion of the plurality of blades, flight performance is improved.

Abstract: A foldable propeller for air mobility includes a link assembly including a plurality of links facilitating blades to be rotated around a hub as a moving portion vertically slides such that the blades are folded to each other or unfolded from each other.

Abstract: A lighting system for air mobility may include a light emitting unit provided on a boom or a propeller of the air mobility and configured to emit light toward a ground surface so that the light is projected onto a point directed toward the ground surface from the propeller or the boom; and a control unit electrically connected to the light emitting unit and configured to control light emitting modes of the light, emitted by the light emitting unit, based on operating modes of the air mobility or operating modes of the propeller.

Abstract: A retractable propeller apparatus of an air mobility vehicle has a structure enabling a propeller to be exposed or hidden depending on whether the air mobility vehicle is in a high-speed flight or a parking position. In particular, the retractable propeller apparatus includes: a base having a mount provided with a space; a propeller unit disposed on the mount and configured to generate a flow of air; a cover configured to close the space and be movable in the top-bottom direction with respect to the mount; and a lift unit disposed on the mount connected to the cover, and configured to move the cover. The cover selectively closes or opens the space based on an operation of the lift unit such that the propeller unit is operable.

Abstract: A structure for shielding a rail includes a rail configured to be mounted on a vehicle body, a drive unit movably connected to the rail, a swing arm rotatably connected to the drive unit and a sliding door, a shade bar configured to be in contact with the swing arm and connected to the drive unit so as to be movable in a first direction in which the shade bar moves close to the rail or a second direction in which the shade bar moves away from the rail, and a cover having a first end connected to the shade bar, the cover configured to open or close a space in which the rail is positioned in accordance with a movement of the drive unit.

Abstract: A structure of a flap part for covering a rail part when opening a sliding door of a vehicle, includes a door flap part including an installation hole, a door flap guide, door trim flap links, elastic members, and a flap, wherein the sliding door is supported by a roller arm, and the rail part, which is externally exposed when the sliding door is opened, is covered by the flap part, and wherein at a time of opening the door, a roller provided on the roller arm comes into contact with a door flap guide and pushes the door flap guide to ensure a movement space for the roller arm.

Abstract: A tilting system for a propeller of an aerial vehicle, may include a propeller provided in front of the opening portion of the housing and configured to be selectively tilted with respect to the housing; a link assembly provided in the internal space of the housing, a first end portion of which is connected to the housing and a second end portion of which is connected to the propeller, and configured to tilt up or tilt down the propeller as the link assembly is extended from the housing or retracted into the housing; and an actuator coupled to the link assembly and configured to provide power for extension or retraction to the link assembly.

Abstract: A two-stage open tailgate includes a handle assembly disposed at an outer surface of a half door, wherein the half door is opened when the handle assembly performs a first operation, a full door disposed at a rear surface of the half door and opened in an integrated state with the half door when the handle assembly performs a second operation, a first striker mounted to one end of the half door, a second striker mounted to a vehicle body such that the second striker is disposed adjacent to the first striker in a closed state of the half door, a dual latch formed at one end of the full door at positions respectively corresponding to the first striker and the second striker, wherein the handle assembly and the dual latch are spaced apart from each other when the half door is opened.

Abstract: An embodiment structure includes a housing configured to be mounted on a door of a vehicle, a casing configured to be movable in the housing, a striker mounted at one side of the casing and configured to be fixed by being caught by a latch part or released, a casing guide unit connected to the casing and configured to guide a forward movement of the casing, an elastic force providing unit configured to apply elastic force in a rearward direction of the casing, and an operating unit configured to move the casing guide unit forward or rearward.

Abstract: A structure includes a latch part to be mounted in a first door and a striker part to be mounted in a second door, the striker part including a housing, a movable unit to be connected to and movable in the housing, a striker mounted at one side of the movable unit and fixable by being caught by the latch part or releasable, and an operating unit for moving the movable unit, wherein the operating unit moves the movable unit in a direction in which the striker and the latch part become close to each other while the first and second doors are closed, and the operating unit moves the movable unit in a direction in which the striker and the latch part become distant from each other while the first and second doors are opened.

Abstract: An air mobility vehicle may include air flaps located under a mounting position of each of rotary wings and rotatably mounted inside openings to guide a flow direction of air flowing to a region under each of the rotary wings or air flowing above the openings to inside of the air mobility vehicle, an actuator coupled to the air flaps and configured to rotate the air flaps to direct the air having passed through the air flaps to a motor, an inverter, or the motor and the inverter of each of the rotary wings, or batteries, and a controller electrically connected to the actuator and configured to control a flow of the air having passed through the air flaps by controlling the actuator depending on a driving state of the air mobility vehicle or temperatures of the motor and the inverter of each of the rotary wings or a temperature of the batteries.

Abstract: A foldable propeller for air mobility includes a link assembly including a plurality of links facilitating blades to be rotated around a hub as a moving portion vertically slides such that the blades are folded to each other or unfolded from each other.