Abstract

The present invention relates to an apparatus for generating traffic flow training data, comprising: a scenario setting module for setting multiple scenarios that can occur due to unexpected situations at an intersection; a real-environment traffic flow data generation module for generating real-environment traffic flow data including dynamic information about a vehicle for each scenario; a virtual-environment traffic flow data generation module for generating virtual-environment traffic flow data for each scenario; a virtual-environment traffic flow data augmentation module which trains a virtual-environment traffic flow data augmentation model by using the real-environment traffic flow data and the virtual-environment traffic flow data, and which augments the virtual-environment traffic flow data by using other virtual-environment traffic flow data; and a processor, which reviews the validity of the augmented virtual-environment traffic flow data so as to determine final usability of same, thereby constructing a training data set for each artificial intelligence model by using the augmented virtual-environment traffic flow data for each scenario, which has been determined to be used.

IPC Classes  ?

• G08G 1/01 - Detecting movement of traffic to be counted or controlled
• G08G 1/16 - Anti-collision systems
• G08G 1/097 - Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
• G06N 3/08 - Learning methods
• B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
• B60W 30/095 - Predicting travel path or likelihood of collision
• B60W 50/00 - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
• B60W 40/04 - Traffic conditions

Abstract

An electronic stability control system for a vehicle is disclosed. The electronic stability control system for a vehicle may include: first, second, third, and fourth acceleration sensors mounted on each wheel of the vehicle to detect the lateral acceleration and vertical acceleration of the corresponding wheel; a controller configured to be connected to first, second, third, and fourth acceleration sensors and receives lateral accelerations and vertical accelerations of the four wheels, calculate maximum values of lateral accelerations of front and rear wheels and lateral tire stiffness of the front and rear wheels considering load movement based on the lateral accelerations and vertical accelerations of the four wheels, calculate side slip angles of the front and rear wheels and a difference between the side slip angles of the front and rear wheels based on maximum values of lateral angular velocities of the front and rear wheels and the lateral tire stiffness of the front and rear wheels considering load movement, and determine brake pressure and a target wheel to which the brake pressure is to be applied in response to the difference between the side slip angles of the front and rear wheels exceeding a set value; and an actuator configured to receive a control signal from the controller and apply the brake pressure to the target wheel. An electronic stability control system for a vehicle is disclosed. The electronic stability control system for a vehicle may include: first, second, third, and fourth acceleration sensors mounted on each wheel of the vehicle to detect the lateral acceleration and vertical acceleration of the corresponding wheel; a controller configured to be connected to first, second, third, and fourth acceleration sensors and receives lateral accelerations and vertical accelerations of the four wheels, calculate maximum values of lateral accelerations of front and rear wheels and lateral tire stiffness of the front and rear wheels considering load movement based on the lateral accelerations and vertical accelerations of the four wheels, calculate side slip angles of the front and rear wheels and a difference between the side slip angles of the front and rear wheels based on maximum values of lateral angular velocities of the front and rear wheels and the lateral tire stiffness of the front and rear wheels considering load movement, and determine brake pressure and a target wheel to which the brake pressure is to be applied in response to the difference between the side slip angles of the front and rear wheels exceeding a set value; and an actuator configured to receive a control signal from the controller and apply the brake pressure to the target wheel. An electronic stability control method for a vehicle using the electronic stability control system is further disclosed.

IPC Classes  ?

• B60T 8/1755 - Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
• B60T 8/171 - Detecting parameters used in the regulationMeasuring values used in the regulation
• B60T 8/172 - Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters

Abstract

The present invention relates to a hydrogen filling apparatus. The hydrogen filling apparatus comprises: a hydrogen supply unit for supplying hydrogen; a hydrogen guide unit connected to the hydrogen supply unit to guide hydrogen; and a hydrogen injection unit connected to the hydrogen guide unit to inject hydrogen passing through the hydrogen guide unit into an object to be filled, wherein the hydrogen guide unit includes: a first flow path portion which connects the hydrogen supply unit to the hydrogen injection unit and guides cooled hydrogen; and a second flow path portion which connects the hydrogen supply unit to the hydrogen injection unit and guides non-cooled hydrogen.

IPC Classes  ?

• F17C 5/06 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases
• F17C 13/02 - Special adaptations of indicating, measuring, or monitoring equipment

Abstract

According to an embodiment of the present disclosure, disclosed is a boil-off gas (BOG) recovery system comprising: a liquefied hydrogen storage tank (10) configured to accommodate liquefied hydrogen; a metal hydride tank (20) configured to store BOG generated from the liquefied hydrogen storage tank (10); a fuel cell (30) connected to the liquefied hydrogen storage tank (10) through a first hydrogen supply line (100); a second hydrogen supply line (200) having one end connected to the metal hydride tank (20) and the other end connected to one point on the first hydrogen supply line (100); a first charging line (110) connecting the liquefied hydrogen storage tank (10) and a first receptacle (11); a BOG transport line (120) having one end connected to one point (P1) on the first charging line (110) and the other end connected to one point (P2) on the second hydrogen supply line (200); and a heat circulation line (300) formed such that at least a portion thereof exchanges heat with the fuel cell (30) and at least another portion thereof exchanges heat with the metal hydride tank (20).

IPC Classes  ?

• F17C 5/06 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases
• F17C 3/00 - Vessels not under pressure
• F17C 13/00 - Details of vessels or of the filling or discharging of vessels

Abstract

The present invention relates to an automated driving system for switching between automated driving mode and manual driving mode in an automated driving situation, and a fallback method for an automated driving failure situation in the automated driving system. According to the present invention, the method comprises the steps of predicting whether, on a route a vehicle is traveling, the vehicle will deviate from an operational design domain (ODD) in which automated driving is possible; and when deviation is predicted, performing a minimal risk maneuver (MRM) process for controlling the vehicle to respond to an automated driving failure situation at a deviation point. According to the present invention, the stability of the automated driving system in emergency situations may be increased, and by proposing a stable mode-switching method for the automated driving system, the best response method may be provided.

IPC Classes  ?

• B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles
• G07C 5/00 - Registering or indicating the working of vehicles

Abstract

The present invention relates to a system and a method for evaluating reliability, whereby a performance evaluation based on AEC Q-200, ISO 21782, and the like, which are international reliability standards, can be efficiently carried out during a reliability test in the development stage of a power module for a power conversion device. According to the present invention, provided is a system for evaluating the reliability of a power module of a power conversion device, the system comprising: a test bench on which the power module is mounted; a power supply device for supplying power to the power module so that the power module can convert power; an environmental condition control device for controlling information about environmental conditions around the power module; and a signal application and recording device for applying gate signals to the power module and measuring same so that the power conversion amount of the power module can be adjusted. In addition, the system of the present invention may further comprise: a regenerative load device for regenerating power generated in the power module and supplying the regenerated power as power of the power supply device; and a cooler for cooling the power module.

IPC Classes  ?

• G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer
• G01R 31/40 - Testing power supplies
• G01R 23/16 - Spectrum analysisFourier analysis
• G01R 23/02 - Arrangements for measuring frequency, e.g. pulse repetition rateArrangements for measuring period of current or voltage
• G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
• G01R 1/18 - Screening arrangements against electric or magnetic fields, e.g. against earth's field
• G01R 1/067 - Measuring probes
• H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output

Abstract

The present invention relates to an optical system for vehicle displays, capable of controlling a viewing angle, and a display device for vehicles, comprising same, and may comprise, in order to block a side viewing angle selected from a left viewing angle or a right viewing angle of a display panel installed in a vehicle: an electro-optical layer comprising a twisted liquid crystal layer that can be rearranged through an external electric field; an optical compensation layer which is stacked on the electro-optical layer and prevents light leakage at the one side viewing angle; and a second polarization layer stacked on the optical compensation layer and having a second absorption axis orthogonal to a first absorption axis of a first polarization layer of the display panel.

IPC Classes  ?

• G02F 1/13 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
• G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
• G02F 1/1337 - Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
• B60J 3/00 - Antiglare equipment associated with windows or windscreensSun visors for vehicles
• B60K 35/00 - Instruments specially adapted for vehiclesArrangement of instruments in or on vehicles
• B60K 35/22 - Display screens

Abstract

The present invention relates to a fuel cell device comprising: a membrane electrode assembly; a sub-gasket for supporting the membrane electrode assembly; a first separation plate which is arranged to be opposite to one surface of the membrane electrode assembly, and includes a first channel part for supplying a first reaction gas to the membrane electrode assembly; a second separation plate which is arranged to be opposite to the other surface of the membrane electrode assembly, and includes a second channel part for supplying a second reaction gas to the membrane electrode assembly; a first guide part which is provided in the sub-gasket and the first separation plate, and which guides the flow of the first reaction gas entering or leaving the first channel part; and a second guide part which is provided in the sub-gasket and the second separation plate, and which guides the flow of the second reaction gas entering or leaving the second channel part.

IPC Classes  ?

• H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
• H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame

Abstract

A gas leak detection device for a high-pressure valve according to the present invention comprises: a valve part; one or more discharge parts that are formed in the valve part and discharge high-pressure gas when the valve part is damaged; a mounting part that is mounted on the valve part; and a notification part that is connected to the mounting part to detect high-pressure gas discharged from the discharge parts and notifies a worker.

IPC Classes  ?

• G01M 3/04 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
• G01D 7/00 - Indicating measured values
• G01D 7/12 - Audible indication of meter readings, e.g. for the blind
• G01D 11/30 - Supports specially adapted for an instrumentSupports specially adapted for a set of instruments
• F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Abstract

The present invention relates to a hydrogen refueling device comprising: a storage unit for storing hydrogen in a liquid state; a supply unit for supplying hydrogen stored in the storage unit; and an evaporation unit, which evaporates hydrogen supplied from the supply unit, so as to transfer same to a dispenser.

IPC Classes  ?

• F17C 5/06 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases
• F17C 5/00 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases

Abstract

The present invention relates to a hydrogen charging auxiliary device, and a hydrogen charging system provided with same, comprising: a hydrogen supply unit for supplying hydrogen; a dispenser unit that injects the hydrogen supplied from the hydrogen supply unit into a fuel tank of a vehicle; a hydrogen charging auxiliary device that receives the hydrogen supplied from the hydrogen supply unit to generate a pulse pressure and transmits the generated pulse pressure to the dispenser unit; and a hydrogen recovery unit that recovers hydrogen remaining in the dispenser unit into the hydrogen charging auxiliary device.

IPC Classes  ?

• F17C 5/06 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases
• F17C 13/02 - Special adaptations of indicating, measuring, or monitoring equipment
• F17C 13/12 - Arrangements or mounting of devices for preventing or minimising the effect of explosion

Abstract

The present invention relates to a hydrogen fueling assistance device and a hydrogen fueling system comprising same. The present invention comprises: a pressure storage unit that is supplied with and stores hydrogen; an entrance and exit control unit which controls the entrance and exit of the hydrogen to and from the pressure storage unit; and a pressure adjustment unit that adjusts a pressure value of the hydrogen that flows into the pressure storage unit or is discharged from the pressure storage unit.

IPC Classes  ?

• F17C 5/06 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases
• F17C 13/02 - Special adaptations of indicating, measuring, or monitoring equipment
• F17C 13/12 - Arrangements or mounting of devices for preventing or minimising the effect of explosion

Abstract

The present invention relates to a battery heat management system for an electric vehicle, comprising: a heat management unit that circulates a first heat exchange medium and exchanges heat with a battery module; a cycle unit that has a compressor, a condenser, an expansion valve, and an evaporator so as to circulate a second heat exchange medium; a heating unit that is branched off from the cycle unit and exchanges heat between the second heat exchange medium and the first heat exchange medium such that the temperature of the battery module increases; and a cooling unit that is branched off from the cycle unit and exchanges heat between the second heat exchange medium and the first heat exchange medium such that the temperature of the battery module decreases.

IPC Classes  ?

• B60H 1/32 - Cooling devices
• B60H 1/00 - Heating, cooling or ventilating devices
• B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption

Abstract

The present invention relates to a battery heat management system for a hybrid vehicle, the system being characterized by comprising: a heat management unit in which a first heat exchange medium is circulated and which exchanges heat with a battery module; an exhaust heat recovery unit in which a second heat exchange medium is circulated and which recovers heat from exhaust gas; an indoor heating unit which receives the second heat exchange medium from the exhaust heat recovery unit and heats an indoor space; and a first heating unit which is branched off from the exhaust heat recovery unit and exchanges heat between the second heat exchange medium and the first heat exchange medium so that the temperature of the battery module rises.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/02 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant
• B60H 1/03 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
• B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption

Abstract

The present invention relates to a battery heat management system for a hybrid electric vehicle, the system comprising: a heat management unit through which a first heat exchange medium is circulated and which exchanges heat with a battery module; an exhaust heat recovery unit through which a second heat exchange medium is circulated and which recovers heat from exhaust gas; a cycle unit which has a compressor, a condenser, an expansion valve, and an evaporator and through which a third heat exchange medium is circulated; a first heating unit which is branched from the exhaust heat recovery unit and causes the second heat exchange medium to exchange heat with the first heat exchange medium so as to increase the temperature of the battery module; a second heating unit which is branched from the cycle unit and causes the third heat exchange medium to exchange heat with the first heat exchange medium so as to increase the temperature of the battery module; and a cooling unit which is branched from the cycle unit and causes the third heat exchange medium to exchange heat with the first heat exchange medium so as to decrease the temperature of the battery module.

IPC Classes  ?

• B60H 1/00 - Heating, cooling or ventilating devices
• B60H 1/02 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant
• B60H 1/32 - Cooling devices
• B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
• B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption

Abstract

At least one processor of an electronic device in a vehicle may be configured to: receive broadcast information which is broadcast from a beacon and includes reference data indicating the relative positional relationship between a designated object positioned in a designated place and the position of the beacon and the data of the designated place; in response to reception of the broadcast information, acquire sensed data indicating the relative positional relationship between the designated object and the vehicle through at least one sensor of the electronic device on the basis of the data of the designated place; in response to acquiring the sensed data, identify the difference between the sensed data and the reference data; identify whether the difference lies outside of a reference range; and determine correction of the at least one sensor to be required, on the basis of identification that the difference lies outside of the reference range.

IPC Classes  ?

• H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
• G06V 20/58 - Recognition of moving objects or obstacles, e.g. vehicles or pedestriansRecognition of traffic objects, e.g. traffic signs, traffic lights or roads
• H04N 5/262 - Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects
• G06V 20/62 - Text, e.g. of license plates, overlay texts or captions on TV images
• H04W 4/029 - Location-based management or tracking services
• G07C 5/00 - Registering or indicating the working of vehicles

Abstract

According to an embodiment of the present disclosure, provided is a check valve comprising: an entrance end (100) in which a fluid flows; an outlet end (111) from which the fluid flowing from the entrance end is discharged; a housing (12) which is between the entrance end (100) and the outlet end (111), allows the fluid to be in communication between the entrance end (100) and the outlet end (111), and has an inclined surface formed in at least part of the inner surface, the diameter of the inclined surface increasing downward from the entrance end (100) to the outlet end (111); an outer valve (200) which is formed in a hollow column shape disposed in the housing (12), and comprises an outer inclined portion (206) formed at the corner of the upper surface and being in contact with the inclined surface of the housing (12), a first through-hole (201) formed from the upper surface, and a second through-hole (203) which is formed in the lower side of the first through-hole (201) and has the diameter greater than the first through-hole (201); and an inner valve (300) which is formed to be at least partially arranged in the outer valve (200), the inner valve (300) comprising a first body portion (301) formed in a column shape having the outer diameter less than the inner diameter of the first through-hole (201), and a second body portion (302) of a column shape which is formed on the lower portion of the first body portion (301), has an inclined surface at the corner of the upper surface, and is restricted from moving upward by the ceiling portion of the second through-hole (203).

IPC Classes  ?

• F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
• F16K 27/00 - Construction of housingsUse of materials therefor
• F16K 15/18 - Check valves with actuating mechanismCombined check valves and actuated valves
• F16K 47/04 - Means in valves for absorbing fluid energy for decreasing pressure, the throttle being incorporated in the closure member

Abstract

The present invention relates to an autonomous driving system for switching between an autonomous driving mode and a manual driving mode in an autonomous driving situation, and a fallback method for an autonomous driving failure situation performed in the autonomous driving system, according to the present invention, comprises the steps of: predicting whether, on a route a vehicle is traveling, the vehicle will deviate from an operational design domain (ODD) in which autonomous driving is possible; and when deviation is predicted, performing a minimal risk maneuver (MRM) process for controlling the vehicle so as to respond to an autonomous driving failure situation at a deviation point. According to the present invention, stability of the autonomous driving system when an emergency situation occurs can be increased, and by proposing the stable mode switching method of the autonomous driving system, a best response method may be provided.

IPC Classes  ?

• B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles
• B60W 50/029 - Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
• B60W 30/182 - Selecting between different operative modes, e.g. comfort and performance modes
• B60W 30/18 - Propelling the vehicle
• G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots

Abstract

The present invention provides an aluminum alloy containing 3.5-6 weight% of magnesium (Mg), 3.5-6 weight% of zinc (Zn), 0.2-1.0 weight% of copper (Cu), 0.2-1.2 weight% of iron (Fe) or manganese (Mn), greater than 0 weight% and 0.08 weight% or less of titanium (Ti), greater than 0 weight% and 0.02 weight% or less of boron (B), and the remainder being aluminum (Al) and unavoidable impurities, and satisfying mathematical formula 1 and mathematical formula 2 below. Mathematical formula 1: 0.58 ≤ [Mg]/[Zn] ≤ 1.72 Mathematical formula 2: 7 ≤ [Mg]+[Zn] ≤ 12 ([Mg] is a weight% value of magnesium, and [Zn] is a weight% value of zinc.)

IPC Classes  ?

• C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
• C22C 21/10 - Alloys based on aluminium with zinc as the next major constituent
• C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
• C22F 1/053 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent

Abstract

Proposed are a system for and a method of controlling an in-vehicle environment based on the purpose of using a vehicle. The system includes a recognition unit configured to acquire behavioral information of an occupant, in-vehicle voice information, and seat-position information, a determination unit configured to determine a behavioral pattern of the occupant or the purpose of using a vehicle, using the information transferred through the recognition unit, and a controller configured to control at least one of in-vehicle illumination and a window transparency level according to the purpose of using the vehicle or according to a user's preference.

IPC Classes  ?

• B60R 16/037 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for occupant comfort
• B60J 3/04 - Antiglare equipment associated with windows or windscreensSun visors for vehicles adjustable in transparency
• B60Q 3/80 - CircuitsControl arrangements
• G06V 20/59 - Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions

Abstract

Provided is a system and method for controlling a vehicle. The vehicle control system includes an input unit configured to collect driving situation data and driver's state data, a memory configured to store a program for determining a driving pattern using the driving situation data and the driver's state data in the case of an autonomous driving mode, and a processor configured to execute the program. The processor learns the driving situation data and the driver's state data to determine a driver's preferred driving pattern and transmit an autonomous driving control command according to the driving pattern.

IPC Classes  ?

• B60K 35/00 - Instruments specially adapted for vehiclesArrangement of instruments in or on vehicles
• B60W 10/20 - Conjoint control of vehicle sub-units of different type or different function including control of steering systems
• B60W 30/14 - Cruise control
• B60W 30/16 - Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
• B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
• B60W 40/09 - Driving style or behaviour
• B60W 50/08 - Interaction between the driver and the control system
• B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles
• B60K 35/23 - Head-up displays [HUD]
• B60K 35/29 - Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions

Abstract

Disclosed is a crosswalk system according to various embodiments comprising an infrastructure including a communication device, a vehicle communicating with the infrastructure, and an indicating device electrically connected to the infrastructure. The infrastructure may detect an external object within a predetermined area through at least one sensor, obtain a location of the vehicle through the communication device, and based on the detected external object and the obtained position of the vehicle, transmit to the indicating device a signal requesting provision of information related to whether it is possible to cross the predetermined area from the external object or the vehicle. Other various embodiment may be implemented.

IPC Classes  ?

• G08G 1/005 - Traffic control systems for road vehicles including pedestrian guidance indicator
• H04W 4/44 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
• G08G 1/095 - Traffic lights
• G08G 1/16 - Anti-collision systems
• G08G 1/01 - Detecting movement of traffic to be counted or controlled

Abstract

The present invention relates to an apparatus for vehicular controller area network (CAN) communication security, the apparatus comprising: a security module unit which is included in each of nodes of a CAN communication network, determines whether a message is a malicious CAN message by monitoring an ID of each CAN message received via a CAN transceiver, and processes errors; and a control unit which sets an ID to be monitored by the security module unit and controls the security module unit not to monitor the ID when the node transmits the CAN message.

IPC Classes  ?

• H04L 12/40 - Bus networks
• H04L 12/26 - Monitoring arrangements; Testing arrangements
• H04L 29/06 - Communication control; Communication processing characterised by a protocol

Abstract

Provided is an apparatus for security of vehicle CAN communication including a security module unit included in each node of a vehicle CAN communication network and configured to monitor an identifier (ID) of each CAN message received through a CAN transceiver to determine whether the CAN message is a malicious CAN message to perform error processing, and a control unit configured to set an ID to be monitored by the security module unit and control the security module unit not to perform monitoring on the ID when the node transmits the CAN message.

IPC Classes  ?

• H04L 9/40 - Network security protocols
• H04L 12/40 - Bus networks

Abstract

At least one processor of an electronic device in a vehicle, according to an embodiment, may be configured to: receive broadcast information which is broadcast from a beacon and includes reference data indicating the relative positional relationship between a designated object positioned in a designated place and the position of the beacon and data for the designated place; in response to reception of the broadcast information, acquire sensed data indicating the relative positional relationship between the designated object and the vehicle through at least one sensor of the electronic device on the basis of the data for the designated place; in response to acquiring the sensed data, identify the difference between the sensed data and the reference data; identify whether the difference lies outside of a reference range; and determine correction of the at least one sensor to be required, on the basis of identification that the difference lies outside of the reference range. Other embodiments are also possible.

IPC Classes  ?

• B60Q 11/00 - Arrangement of monitoring devices for devices provided for in groups
• B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
• H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
• G06T 7/11 - Region-based segmentation
• B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles
• B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
• B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion

Abstract

The present invention relates to a hydrogen dispenser apparatus comprising: a hydrogen supply unit for storing hydrogen that is to be supplied from the hydrogen dispenser apparatus to charge a hydrogen vehicle; a receptacle connected to a nozzle which is attached to the end of a hydrogen supply hose for charging the hydrogen in the hydrogen vehicle or for self-inspecting the hydrogen dispenser apparatus; an IR check unit for inspecting the surface state of an IR terminal formed on the nozzle or inspecting whether the IR terminal formed on the nozzle is in a normal communication state; a hydrogen collecting unit for collecting and storing the hydrogen supplied through the nozzle connected to the receptacle of the hydrogen dispenser apparatus; a hydrogen selecting unit for selectively outputting, to the hydrogen supply hose, the hydrogen supplied from the hydrogen supply unit or hydrogen supplied from the hydrogen collecting unit; and a controller for checking or controlling the states of internal components of the hydrogen dispenser apparatus in response to a specific situation.

IPC Classes  ?

• F17C 5/06 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases
• F17C 13/02 - Special adaptations of indicating, measuring, or monitoring equipment
• F17C 13/12 - Arrangements or mounting of devices for preventing or minimising the effect of explosion
• B67D 7/32 - Arrangements of safety or warning devicesMeans for preventing unauthorised delivery of liquid

Abstract

The present invention relates to an overheating prevention device for a hydrogen container, comprising: a cover part surrounding a hydrogen container, having a size correspondingly adjustable to the hydrogen container, and being capable of heat conduction; and a heat-dissipating part surrounding the cover part and dissipating the heat conducted from the cover part into the atmosphere, and thus, the overheating prevention device can prevent the hydrogen container from being overheated.

IPC Classes  ?

• F17C 13/12 - Arrangements or mounting of devices for preventing or minimising the effect of explosion
• B60K 15/03 - Fuel tanks
• B60K 15/07 - Mounting of tanks of gas tanks

Abstract

The present invention relates to a fire protection device for a hydrogen container, the fire protection device comprising: a storage part in which high-pressure gas is stored; a discharge part through which hydrogen stored in the storage part is discharged; and a safety part which is connected to the discharge part and processes gas supplied from the discharge part so as to prevent combustion from occurring. Therefore, a fire caused by hydrogen discharged into the atmosphere can be prevented.

IPC Classes  ?

• F17C 13/12 - Arrangements or mounting of devices for preventing or minimising the effect of explosion
• F17C 5/06 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases

Abstract

The present invention relates to a method for reducing exhaust gas, wherein the exhaust gas is reduced through a control device in a vehicle provided with an exhaust gas reduction device for purifying exhaust gas from a diesel engine, a back pressure control valve for controlling the flow of the exhaust gas that is introduced into the exhaust gas reduction device, and the control device, and wherein the method is characterized by comprising: a fast warm-up mode starting step for starting a fast warm-up mode when it is detected that the diesel engine is starting; a temperature comparing step for, in the fast warm-up mode, comparing an inlet-side temperature of the exhaust gas reduction device with a reference temperature; and a first temperature increasing step in which the temperature of the exhaust gas that is introduced into the exhaust gas reduction device is increased to a first target temperature by lowering an opening amount of the back pressure control valve when, in the temperature comparing step, the inlet-side temperature of the exhaust gas reduction device is equal to or below the reference temperature.

IPC Classes  ?

• F01N 9/00 - Electrical control of exhaust gas treating apparatus
• F02D 41/02 - Circuit arrangements for generating control signals
• F01N 3/10 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
• F01N 3/023 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
• F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operationControl specially adapted for catalytic conversion

Abstract

The present invention relates to a small dipole antenna, and more specifically, to a small dipole antenna comprising a balun, a meander line, and a cap covering the meander line as a whole, wherein both sides of the dipole antenna are provided with the meander line to minimize the overall size of the dipole antenna. The small dipole antenna according to one embodiment of the present invention obtains resonance frequency adjustment characteristics by filling a gap between the arrangement of the meander line disposed on the both sides of the dipole antenna on the basis of the balun and the meander line, and adds a short circuit between the meander line to achieve impedance matching and minimize the overall size of the dipole antenna structure at the same time, thereby having the effect of ensuring tractability of antenna operation regardless of external conditions when measuring electromagnetic wave performance.

IPC Classes  ?

• H01Q 9/28 - Conical, cylindrical, cage, strip, gauze or like elements having an extended radiating surface Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
• H01Q 5/48 - Combinations of two or more dipole type antennas
• H01Q 1/32 - Adaptation for use in or on road or rail vehicles

Abstract

A method for managing updating of a vehicle ECU through an OTA master device according to the present invention comprises the steps of: receiving ECU information from the vehicle ECU; transmitting the ECU information to an update server; downloading an update file through the update server in response to a determination made by the update server that the ECU needs to be updated; transmitting the update file to the ECU; receiving updated ECU information in response to completion of the update of the ECU; and transmitting the updated ECU information to the update server.

IPC Classes  ?

• G06F 8/654 - Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
• G06F 8/71 - Version control Configuration management
• B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems

Abstract

The present invention relates to a separator for a fuel cell, and is characterized by comprising: a base portion which has a panel shape and is disposed facing a gas diffusion layer of a fuel cell; connection protrusion portions which are formed protruding from the base portion and are in contact with the gas diffusion layer; a flow path portion which are formed between the connection protrusion portions and through which a gas passes; and a porous cover portion which has a water-absorbable porous structure and is coupled to the connection protrusion portions and the base portion.

IPC Classes  ?

• H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
• H01M 8/0245 - Composites in the form of layered or coated products
• H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant

Abstract

A moisture removal device for a hydrogen station according to the present invention comprises: a housing part connected to a hydrogen supply line which supplies hydrogen to a cooler; a flow channel part disposed within the housing part and forming a passage through which hydrogen moves; and a reaction part disposed between the flow channel part and the housing part so as to remove moisture present within the housing part and generate hydrogen.

IPC Classes  ?

• F17C 13/10 - Arrangements for preventing freezing
• F17C 13/02 - Special adaptations of indicating, measuring, or monitoring equipment

Abstract

The present invention relates to a charging system and an interface device and comprises: a charging unit, which comprises a first pin connected to a reference resistor so as to form a first output voltage in an initial state of being separated from an external device, controls the supply of charging power on the basis of a charging sequence defined according to a change in voltage formed at the first pin, and is operated so as to supply the charging power when a third output voltage is formed at the first pin and an interface circuit unit, which comprises a link node connected to the first pin, and allows the voltage of the link node to be dropped from the first output voltage to the third output voltage through one or more resistors and one or more switches connected by being branched from the link node in a state in which the first pin is connected to the link node, thereby allowing for interfacing, by means of charging power, between the charging unit and an electrical driving device.

IPC Classes  ?

• B60L 53/14 - Conductive energy transfer

Abstract

The present invention relates to an air supply apparatus for a fuel cell, comprising: a separator plate unit for distributing air via channels defined by separated plates; a forward supply unit for supplying outside air to the separator plate unit; and a reverse supply unit for resupplying the air, which has passed through the separator plate unit, to the separator plate unit. Accordingly, the present invention can improve the reactivity of a fuel cell by reusing air that is moist after having passed through the separator plate unit.

IPC Classes  ?

• H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
• H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning

Abstract

The present invention relates to a condensate drain apparatus for a fuel cell vehicle, comprising: a fuel cell stack unit; an air supply unit for supplying air to the fuel cell stack unit and discharging the air that has passed through the fuel cell stack unit; and a condensate conversion unit which is provided in the air supply unit, heats condensate, which passes through the air supply unit, and thereby converts same to vapor. Accordingly, the present invention can prevent the formation of black ice caused by the discharge of condensate in wintertime.

IPC Classes  ?

• H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
• H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
• H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
• H01M 8/04029 - Heat exchange using liquids
• H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
• B60L 58/33 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling

Abstract

The present invention relates to a small dipole antenna, and more specifically, to a small dipole antenna comprising a balun, a meander line, and a cap covering the meander line as a whole, wherein both sides of the dipole antenna are provided with the meander line to minimize the overall size of the dipole antenna. The small dipole antenna according to one embodiment of the present invention obtains resonance frequency adjustment characteristics by filling a gap between the arrangement of the meander line disposed on the both sides of the dipole antenna on the basis of the balun and the meander line, and adds a short circuit between the meander line to achieve impedance matching and minimize the overall size of the dipole antenna structure at the same time, thereby having the effect of ensuring tractability of antenna operation regardless of external conditions when measuring electromagnetic wave performance.

IPC Classes  ?

• H01Q 9/28 - Conical, cylindrical, cage, strip, gauze or like elements having an extended radiating surface Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines

Abstract

An embodiment of the present invention provides an optimal control system for a landfill gas and biogas plant using a deep learning technique, which predicts and uses an amount of power generation and composition of gas to achieve an optimum power generation efficiency and ensure the stability of landfill gas and biogas power generation facilities, thereby controlling the amount of power generation and engine safety.

IPC Classes  ?

• G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
• G05B 23/02 - Electric testing or monitoring

Abstract

The present invention provides a prefabricated catamaran boat which has a prefabricated structure allowing the boat to have a minimized volume and store component parts therein so that storage and portability can be improved, and comprises: a first hull part having a first assembly contact surface formed outside the edge of an opening side of a first receiving groove part formed on an upper surface part; a second hull part provided at one side in the width direction of the first hull part and having a second assembly contact surface, which is formed outside the edge of an opening side of a second receiving groove part formed on the upper surface part, has an outer surface profile corresponding to the first assembly contact surface, and is arranged to selectively face the first assembly contact surface; at least one connection beam part disposed at upper parts of the first hull part and the second hull part, wherein both end portions of the connection beam part are detachably coupled to the first hull part and the second hull part, respectively; and at least one coupling means for fixing the first hull portion and the second hull portion to maintain the state where the first assembly contact surface and the second assembly contact surface are facing each other.

IPC Classes  ?

• B63B 1/12 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
• B63B 7/04 - Collapsible, foldable, inflatable or like vessels comprising only rigid parts sectionalised

Abstract

Provided are a brake disc and a brake disc manufacturing method. The brake disc manufacturing method may include a porous metal block preparation operation for preparing a porous metal block having a plurality of pores therein, and an insert casting operation for mounting the porous metal block in a mold and casting a disc plate material to manufacture a brake disc.

IPC Classes  ?

• F16D 65/12 - DiscsDrums for disc brakes
• B22D 19/02 - Casting in, on, or around, objects which form part of the product for making reinforced articles
• B22D 17/02 - Hot chamber machines, i.e. with heated press chamber in which metal is melted
• B22D 19/04 - Casting in, on, or around, objects which form part of the product for joining parts
• B22D 29/00 - Removing castings from moulds, not restricted to casting processes covered by a single main groupRemoving coresHandling ingots
• B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
• B22D 25/00 - Special casting characterised by the nature of the product
• C22C 37/10 - Cast-iron alloys containing aluminium or silicon
• F16D 65/02 - Braking membersMounting thereof

Abstract

The present invention relates to a camshaft device, which allows a plurality of components to be assembled to a main shaft, and a method for manufacturing the camshaft device. The camshaft device may include: a main shaft lengthily extending in the lengthwise direction; at least one cam lobe assembled to the main shaft and formed eccentrically from a rotation axis of the main shaft; at least one journal bearing assembled to the main shaft and formed to rotatably support the main shaft; and at least one guide shaft assembled to the main shaft and installed between the cam lobe and another cam lobe so as to align an assembling position of the cam lobe or the journal bearing.

IPC Classes  ?

• F01L 1/047 - Camshafts
• B22D 25/02 - Special casting characterised by the nature of the product by its peculiarity of shapeSpecial casting characterised by the nature of the product of works of art
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
• B21K 1/06 - Making machine elements axles or shafts
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
• B29L 31/00 - Other particular articles

Abstract

A two-stage transmission for an electric vehicle of the present invention comprises: a gearbox unit; a driving unit for providing power into the gearbox unit; a sun gear unit embedded in the gearbox unit and rotated by being axially connected to the driving unit, a planetary gear unit embedded in the gearbox unit, and provided in engagement with an outer side part of the sun gear unit; a carrier unit embedded in the gearbox unit and rotatably supporting the planetary gear unit; a ring gear unit embedded in the gearbox unit, and provided on the outer side of the carrier unit and engaged with the planetary gear unit; a first synchro unit axially connected to the driving unit so as to rotate together with the sun gear unit, and selectively connected to the carrier unit so as to adjust variable speeds; and a second synchro unit mounted in the gearbox unit, and selectively coupled to the ring gear unit so as to adjust variable speeds.

IPC Classes  ?

• F16H 3/78 - Special adaptation of synchronisation mechanisms to these gearings
• F16H 3/48 - Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
• B60L 50/50 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
• F16D 11/14 - Clutches in which the members have interengaging parts with clutching members movable only axially
• F16D 23/02 - Arrangements for synchronisation
• F16H 3/54 - Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
• B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
• F16D 63/00 - Brakes not otherwise provided forBrakes combining more than one of the types of groups
• B60T 1/06 - Arrangements of braking elements, i.e. of those parts where braking effect occurs acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission
• B60T 1/00 - Arrangements of braking elements, i.e. of those parts where braking effect occurs
• F16D 11/00 - Clutches in which the members have interengaging parts

Abstract

The present invention relates to a method for estimating the friction coefficient using warning braking according to an aspect of the present invention, the method being characterized by comprising: a step for calculating a collision risk level for emergency braking and warning braking in an autonomous emergency braking system; a step for adjusting a preset front/rear wheel braking force distribution ratio to be able to achieve a vehicle-road surface friction coefficient variation which is sufficient to estimate a road surface friction coefficient, when the warning braking is determined according to the determination of collision risk level during the step of determining the collision risk level; a step for detecting a slip amount and a vehicle-road surface friction coefficient during the warning braking while being distributed at the adjusted front/rear wheel braking force distribution ratio; a step for estimating the road surface friction coefficient on the basis of the detected slip amount and vehicle-road surface friction coefficient; and a step for restoring the adjusted front/rear wheel braking force distribution ratio to the original ratio prior to adjustment.

IPC Classes  ?

• B60W 40/068 - Road friction coefficient
• B60W 30/14 - Cruise control
• B60W 30/09 - Taking automatic action to avoid collision, e.g. braking and steering
• B60T 8/1763 - Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS responsive to the coefficient of friction between the wheels and the ground surface

Abstract

Disclosed herein are a common flow field type fuel cell separator, a fuel cell separator assembly, and a fuel cell stack, including a flow field connected to a manifold in which an inlet and an outlet for each of hydrogen, air, and cooling water are formed, and configured such that flows of the hydrogen, the air, and the cooling water are free from interfering with each other.

IPC Classes  ?

• H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
• H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
• H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
• H01M 8/0206 - Metals or alloys
• H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
• H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
• H01M 8/0228 - Composites in the form of layered or coated products
• H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
• H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame

Abstract

The present invention relates to a system and method for road surface laser marking on the basis of road facilities and, more particularly, to a road surface laser marking system and method which can improve the lane recognition rate of an ADAS system and provide safety information and a warning. The system for road surface laser marking on the basis of road facilities, according to the present invention, comprises: a laser irradiation unit which is disposed in a facility on a road so as to irradiate laser beams onto the surface of the road; and a control unit for transmitting a laser marking command signal for irradiating laser beams including traffic information by considering at least one of a road condition detection result and traffic condition information.

IPC Classes  ?

• G08G 1/04 - Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
• G08G 1/01 - Detecting movement of traffic to be counted or controlled
• G08G 1/16 - Anti-collision systems

Abstract

A molded article for an ultrahigh strength steel sheet according to the present invention comprises: a body portion formed of an ultrahigh strength steel sheet; a through-hole portion forming a hole in the body portion; and a molding improving part which is coupled to the through-hole portion and is formed of a material having a higher elongation than that of the body portion.

IPC Classes  ?

• B21D 35/00 - Combined processes according to methods covered by groups
• B21D 22/02 - Stamping using rigid devices or tools
• B21D 39/00 - Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by platingTube expanders
• B23K 26/21 - Bonding by welding
• B23K 26/38 - Removing material by boring or cutting
• B23K 103/18 - Dissimilar materials

Abstract

Provided is a wireless power transmitter including a first coil disposed to transmit wireless power, a second coil disposed outside of the first coil to transmit wireless power, and a controller configured to determine whether to operate the wireless power transmitter in a magnetic induction mode or a magnetic resonance mode, control the first coil to operate in the magnetic induction mode and prevent the second coil from operating in the magnetic induction mode in response to the determination to operate the wireless power transmitter in the magnetic induction mode, and control the first coil and the second coil to operate integrally in the magnetic resonance mode in response to the determination to operate the wireless power transmitter in the magnetic resonance mode.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
• H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
• H02J 50/60 - Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings

Abstract

The present invention relates to a camshaft device, which allows a plurality of components to be assembled to a main shaft, and a method for manufacturing the camshaft device. The camshaft device may comprise: a main shaft lengthily extending in the lengthwise direction; at least one cam lobe assembled to the main shaft and formed eccentrically from a rotation axis of the main shaft; at least one journal bearing assembled to the main shaft and formed to rotatably support the main shaft; and at least one guide shaft assembled to the main shaft and installed between the cam lobe and another adjacent cam lobe so as to align an assembling position of the cam lobe or the journal bearing.

IPC Classes  ?

• F01L 1/047 - Camshafts
• F01L 13/00 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
• F16C 3/02 - ShaftsAxles
• B21C 37/04 - Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided forManufacture of tubes of special shape of rods or wire
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• B22D 25/02 - Special casting characterised by the nature of the product by its peculiarity of shapeSpecial casting characterised by the nature of the product of works of art
• B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product

Abstract

The present invention relates to a brake disc and a brake disc manufacturing method. The method may comprise: a porous metal block preparation step of preparing a porous metal block having a plurality of pores therein; and an insert casting step of installing the metal block in a mold and casting a disc plate material to manufacture a brake disc.

IPC Classes  ?

• B22D 19/04 - Casting in, on, or around, objects which form part of the product for joining parts
• B22D 29/00 - Removing castings from moulds, not restricted to casting processes covered by a single main groupRemoving coresHandling ingots
• F16D 65/12 - DiscsDrums for disc brakes

Abstract

Provided is a wrought aluminum alloy including 5.5 to 6.0 wt % of Zn, 2.0 to 2.5 wt % of Mg, 0.2 to 0.6 wt % of Cu, 0.1 to 0.2 wt % of Cr, at most 0.2 wt % (and more than 0 wt %) of Fe, at most 0.2 wt % (and more than 0 wt %) of Mn, at most 0.2 wt % (and more than 0 wt %) of Si, at most 0.1 wt % (and more than 0 wt %) of Ti, and at most 0.05 wt % (and more than 0 wt %) of Sr, with the remainder being Al.

IPC Classes  ?

• C22C 21/10 - Alloys based on aluminium with zinc as the next major constituent
• C22F 1/053 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent

Abstract

A two-stage transmission for an electric vehicle of the present invention comprises: a gearbox unit; a driving unit for providing power into the gearbox unit; a sun gear unit embedded in the gearbox unit, and rotated by being axially connected to the driving unit; a planetary gear unit embedded in the gearbox unit, and provided in engagement with an outer side part of the sun gear unit; a carrier unit embedded in the gearbox unit and rotatably supporting the planetary gear unit; a ring gear unit embedded in the gearbox unit, and provided on the outer side of the carrier unit and engaged with the planetary gear unit; a first synchro unit axially connected to the driving unit so as to rotate together with the sun gear unit, and selectively connected to the carrier unit so as to adjust variable speeds; and a second synchro unit mounted in the gearbox unit, and selectively coupled to the ring gear unit so as to adjust variable speeds.

IPC Classes  ?

• F16H 3/48 - Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
• B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed

Abstract

The present invention proposes an apparatus and a method for controlling collision avoidance of a vehicle, which controls emergency braking in consideration of both an object located in the front and an object located in the rear direction. The apparatus according to the present invention comprises: a vehicle existence determination unit for determining whether a rear vehicle is present behind a target vehicle; a collision possibility determination unit for, if it is determined that the rear vehicle is present, determining whether there is a possibility of a collision between the target vehicle and the rear vehicle on the basis of information on the rear vehicle; and a collision avoidance processing unit for performing a collision avoidance function for preventing a collision between the target vehicle and the rear vehicle if it is determined that there is a possibility of a collision.

IPC Classes  ?

• B60W 30/08 - Predicting or avoiding probable or impending collision
• B60Q 1/52 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
• B60R 21/013 - Electrical circuits for triggering safety arrangements in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
• B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
• B60W 10/18 - Conjoint control of vehicle sub-units of different type or different function including control of braking systems
• B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
• B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention

Abstract

The vehicle tilting apparatus according to the present invention comprises: a sun gear connected to a steering shaft; a plurality of planetary gears engaged with the sun gear; a carrier to which the plurality of planetary gears are rotatably fixed; a ring gear engaged with the plurality of planetary gears; a tilting gear unit engaged with the carrier, connected to a tilting shaft, and rotated while being engaged with the carrier, thereby adjusting a tilting angle of the tilting shaft; and a connection rod connected to the rotary shaft of the sun gear and a steering gear apparatus.

IPC Classes  ?

• B62D 1/187 - Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustmentSteering columns yieldable or adjustable, e.g. tiltable with tilt and axial adjustment
• B62D 3/02 - Steering gears mechanical
• F16H 3/44 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
• F16H 19/04 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising a rack

Abstract

The present invention relates to an electricity-application type jig device and a method for molding vehicle sheet materials, the device being enabled to compensate for thermal expansion, caused by heating, of a sheet material, and comprising: a first clamp capable of supporting one portion of the vehicle sheet material; a second clamp capable of supporting the other portion of the vehicle sheet material; a first electricity-supplying part for generating a potential difference between the first clamp and the second clamp such that an electric current can flow to the vehicle sheet material; a moving device for moving the first clamp or the second clamp according to the thermal expansion of the vehicle sheet material; and a control part for applying a movement control signal to the moving device according to the expansion degree of the vehicle sheet material.

IPC Classes  ?

• B21D 37/16 - Heating or cooling
• B21D 22/02 - Stamping using rigid devices or tools
• B21D 43/02 - Advancing work in relation to the stroke of the die or tool
• H05B 3/02 - Ohmic-resistance heating Details

Abstract

Disclosed is an apparatus for forming filter paper for filters. An apparatus for forming filter paper for filters comprises: a filter paper curve forming portion on which forming groove portions, for forming round curved parts on filter paper, are formed away from each other; and a filter paper pressing portion which presses the filter paper onto the forming groove portions. Therefore, filter paper for a filter unit can be formed to have curves and such that a curved part gradually becomes shallow and narrow from one end to the other end.

IPC Classes  ?

• B31D 5/00 - Multiple-step processes for making three-dimensional articles
• B31D 5/04 - Multiple-step processes for making three-dimensional articles including folding or pleating, e.g. Chinese lanterns

Abstract

Disclosed is an adhesion jig for preparing a filter module. An adhesion jig for preparing a filter module comprises: a base portion on which a fixing frame and filter paper are laminated in order; an adhering agent hardening support portion which is detachably attached to the base portion so as to cover the fixing frame and filter paper and which has an injection hardening space part for an adhering agent; and an attachment/detachment fixing portion which is for detachably attaching the base portion and adhering agent hardening support portion. The present invention enables easy adhesion of filter paper and the fixing frame.

IPC Classes  ?

• F02M 35/024 - Air cleaners using filters, e.g. moistened
• B01D 46/42 - Auxiliary equipment or operation thereof
• B01D 39/00 - Filtering material for liquid or gaseous fluids

Abstract

The present invention relates to an extrusion-type connecting rod which is installed between a piston and a crank and can convert the reciprocating motion of the piston into the rotary motion of a crank shaft, an extrusion apparatus for a connecting rod, and a manufacturing method for the extrusion-type connecting rod. The extrusion-type connecting rod may comprise: a first big end having a portion of a crank shaft hole formed on one side and having a seam-line divided surface, which comprises a seam line formed at the time of extrusion, formed on the other side; a second big end, being extrusion-molded simultaneously with the first big end, having the other portion of the crank shaft hole formed on one side, and having a seam-line divided surface, which comprises a seam line formed at the time of extrusion, formed so as to contact the seam-line divided surface of the first big end; a connection part which is extrusion-molded integrally with the second big end; and a small end which is extrusion-molded integrally with the connection part.

IPC Classes  ?

• B21C 23/21 - Presses specially adapted for extruding metal
• F16C 7/02 - Constructions of connecting-rods with constant length
• B21C 23/14 - Making other products

Abstract

Disclosed is an air purifier for a vehicle. The disclosed air purifier for a vehicle comprises: a housing provided in the vehicle; a filter unit coupled to the inside of the housing and filtering the air flowing into the housing; and a filter sealing unit provided between the housing and the filter unit so as to seal the space between the housing and the filter unit and coming into close contact with the housing according to the coupling of the housing.

IPC Classes  ?

• F02M 35/024 - Air cleaners using filters, e.g. moistened
• F02M 35/10 - Air intakesInduction systems
• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Abstract

[Abstract] The present invention provides a brake disc and a vehicle including same. For a brake disc that has low risk of being damaged, excellent heat dissipating performance, and is lightened, and a vehicle including same, a disc brake comprises: a first disc; a second disc facing the first disc; a plurality of legs provided between the first disc and the second disc, and connecting the first disc and the second disc; a third disc filling the gap between the first disc and the second disc, and including a material lighter than those of the first disc and the second disc; and a housing including an outer race coupled to at least one from among the first disc, the second disc, and the third disc and an inner race capable of being connected to a wheel of a vehicle, and bent at least once such that the inner race and the outer race are not disposed on the same plane.

IPC Classes  ?

• F16D 65/06 - Bands, shoes or padsPivots or supporting members therefor for externally-engaging brakes
• F16D 65/12 - DiscsDrums for disc brakes
• F16D 65/092 - Bands, shoes or padsPivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes

Abstract

Provided is an apparatus of manufacturing a seamless pipe. The apparatus includes a container receiving a work therein, a stem pressing one end of the work within the container, a die installed in a direction opposite to the stem, and having an extrusion hole comprised of a plurality of ports, a rotation member installed on a front end of the die, having a stirring tip inserted into a joint surface formed by abutting a plurality of metal pieces to each other on one surface, and rotating to perform a friction stir bonding in a state in which the one surface contacts the joint surface, and a correction mold including a metal pipe discharging path receiving a metal pipe manufactured by the friction stir bonding and discharging the metal pipe to an outside.

IPC Classes  ?

• B21C 23/08 - Making wire, rods or tubes
• B21C 37/06 - Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided forManufacture of tubes of special shape of tubes or metal hosesCombined procedures for making tubes, e.g. for making multi-wall tubes
• B21C 25/00 - Profiling tools for metal extruding
• B21C 25/02 - Dies
• B21C 35/02 - Removing or drawing-off work
• B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding
• B21C 25/04 - Mandrels
• B23K 101/06 - Tubes
• B23K 103/04 - Steel alloys
• B23K 103/10 - Aluminium or alloys thereof
• B23K 103/12 - Copper or alloys thereof
• B23K 103/08 - Non-ferrous metals or alloys

Abstract

In order to improve the quality of a driver's steering sensation and provide a driver-friendly lane keeping support system and a driver-friendly lane keeping support method, the present invention provides a lane keeping support system comprising: a driver's driving tendency storage unit for storing driver's driving tendencies; a lane information extraction unit for extracting lane information of a driving lane; a vehicle motion determination unit for determining vehicle motion; a steering torque calculation unit for calculating steering torque required for lane keeping support using data provided from the driver's driving tendency storage unit, the lane information extraction unit, and the vehicle motion determination unit; and a power steering device unit for generating the calculated steering torque.

IPC Classes  ?

• B60W 30/12 - Lane keeping
• B60W 40/08 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to drivers or passengers
• B60W 40/09 - Driving style or behaviour
• B60W 50/08 - Interaction between the driver and the control system
• B60W 10/20 - Conjoint control of vehicle sub-units of different type or different function including control of steering systems

Abstract

The present invention relates to a system and a method for correcting the absolute position of a vehicle, capable of correcting an error in the absolute position of the vehicle as received from a GPS receiver using landmark information values obtained by a vehicle surround sensor, the mass production of which is expanding, in order to recognize the surrounding situation of the vehicle. To this end, the present invention provides a system for correcting the absolute position of a vehicle, comprising: a GPS unit for obtaining GPS coordinates of the vehicle; a database unit for storing absolute coordinates of landmarks on the ground; a surrounding sensor unit for measuring the orientation and distance of the vehicle from a landmark; and a control operation unit for computing corrected coordinates of the vehicle using the orientation and distance of the vehicle from the landmark, the GPS coordinates of the vehicle and the absolute coordinate of the landmark.

IPC Classes  ?

• G01S 19/10 - Cooperating elementsInteraction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
• G01S 19/05 - Cooperating elementsInteraction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data

Abstract

The present invention provides a cam shaft device which enables the manufacture of a product which is ultralight and has high toughness, by coupling a shaft and a lobe of the cam shaft device, which are male and female, or vice versa, wherein the shaft is formed by extruding an aluminum material, and the lobe is formed of an iron-based material, an aluminum alloy, and an aluminum composite material, or by integrally forging a shaft part and a lobe part, wherein the shaft part and the lobe part are made of aluminum.

IPC Classes  ?

• F01L 1/04 - Valve drive by means of cams, camshafts, cam discs, eccentrics, or the like
• F01L 1/047 - Camshafts

Abstract

The present invention relates to an extrusion-type connecting rod which is installed between a piston and a crank and can convert the reciprocating motion of the piston into the rotary motion of a crank shaft, an extrusion apparatus for a connecting rod, and a manufacturing method for the extrusion-type connecting rod. The extrusion-type connecting rod may comprise: a first big end having a portion of a crank shaft hole formed on one side and having a seam-line divided surface, which comprises a seam line formed at the time of extrusion, formed on the other side; a second big end, being extrusion-molded simultaneously with the first big end, having the other portion of the crank shaft hole formed on one side, and having a seam-line divided surface, which comprises a seam line formed at the time of extrusion, formed so as to contact the seam-line divided surface of the first big end; a connection part which is extrusion-molded integrally with the second big end; and a small end which is extrusion-molded integrally with the connection part.

IPC Classes  ?

• B21C 23/14 - Making other products
• F16C 7/02 - Constructions of connecting-rods with constant length
• B21C 23/08 - Making wire, rods or tubes

Abstract

The present invention relates to an apparatus for manufacturing a seamless pipe through friction stir welding of a metal extruded material, which has been extruded by an extrusion method. The present invention provides, according to an aspect, a seamless pipe manufacturing apparatus comprising: a container for containing a material to be extruded therein, the container having an extrusion hole composed of a plurality of ports; a stem for pressurizing the material to be extruded and thereby extruding the material to be extruded through the extrusion hole; a rectification mold for rectifying the material to be extruded, which is extruded through the extrusion hole, into the shape of a metal pipe, the rectification mold comprising a metal pipe discharge path for discharging the same to the outside; a plurality of rotation members installed on the rectification mold, each rotation member having a stirring tip on one surface to be inserted into a joint surface formed by abutment of a plurality of metal pieces, which are discharged through the extrusion hole, the rotation members rotating the stirring tips while contacting the joint surface, thereby performing friction stir welding; and a driving device for distributing and delivering rotation driving force to the plurality of rotation members.

IPC Classes  ?

• B21C 37/08 - Making tubes with welded or soldered seams
• B21C 23/08 - Making wire, rods or tubes
• B21D 3/00 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
• B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding

Abstract

The present invention relates to a rigid structure, comprising: a plate-shaped body including a first bending part which has a thin plate and is bent with respect to a base part, and a second bending part bent with respect to the base part so as to form a gap from the first bending part; a fixing member including a first groove which is inserted and fixed in the gap and corresponds to the first bending part, and a second groove corresponding to the second bending part, thereby enhancing formability, simultaneously improving a lightweight characteristic and rigidity, reinforcing the strength by maximizing the rigidity using a bridge of a fixing member or a female-male coupling structure and the like, reducing deformation of a product, and greatly improving the formability and productivity.

IPC Classes  ?

• B21D 53/04 - Making other particular articles heat exchangers, e.g. radiators, condensers of sheet metal
• B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
• B62D 21/00 - Understructures, i.e. chassis frame on which a vehicle body may be mounted

Abstract

Provided are an aluminum alloy including an iron-manganese complete solid solution and a method of manufacturing the same. According to an embodiment of the present invention, iron-manganese alloy powder is provided. The iron-manganese alloy powder is introduced into an aluminum melt. An aluminum alloy including an iron-manganese complete solid solution is manufactured by die casting the aluminum melt.

IPC Classes  ?

• C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
• B22D 21/04 - Casting aluminium or magnesium
• C22C 21/00 - Alloys based on aluminium
• B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
• C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
• C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
• C22C 1/02 - Making non-ferrous alloys by melting
• B22D 21/00 - Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedureSelection of compositions therefor

Abstract

The present invention provides an apparatus for controlling the temperature of a battery, which is capable of cooling a battery such as a lithium ion battery and the like by using the circulation of a liquid refrigerant and controlling the temperature of the battery through an endothermic reaction or an exothermic reaction caused by a phase transformation process of the corresponding supersaturated liquid refrigerant. To this end, the present invention comprises: at least one temperature sensor for sensing the temperature of a battery pack so as to generate a temperature detection signal; a refrigerant pipe which is extended between arrangement spaces of a plurality of battery cells included in the battery pack and circulates the supersaturated liquid refrigerant through the inside thereof; a refrigerant circulation driving unit which drives a cooling operation by circulating the supersaturated liquid refrigerant through the refrigerant pipe when the temperature of the battery pack rises; and a control unit for driving and controlling the refrigerant circulation driving unit when the rise in the temperature of the battery pack is detected according to a temperature detection signal received from at least one temperature sensor.

IPC Classes  ?

• H01M 10/60 - Heating or coolingTemperature control
• H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The present invention is characterized by comprising: an electrolyte leak detection unit for detecting whether or not an electrolyte is leaking from a battery cell of a lithium-ion battery; a neutralizing agent sprayer for spraying a neutralizing agent to the battery cell; and a control unit for controlling the neutralizing agent sprayer so as to spray the neutralizing agent to the battery cell when an electrolyte leak is determined to have occurred from a detection value which has been detected by the electrolyte leak detection unit.

IPC Classes  ?

• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

The present invention relates to a method for bonding a metal foam and comprises: a metal foam pressurization step for producing a metal foam unit by pressurizing a metal foam so that pores formed in the metal foam are transformed to be flat; and a metal foam bonding step for bonding the metal foam unit to an object.

IPC Classes  ?

• C22C 1/08 - Alloys with open or closed pores
• B60S 5/06 - Supplying batteries to, or removing batteries from, vehicles
• H01M 2/10 - Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders

Abstract

A curve speed warning method according to one embodiment of the present invention, includes the steps of: turning on the CSWS; obtaining information about a first curve on an identical forward path and a second curve positioned behind the first curve; obtaining information about a vehicle speed; confirming whether the first curve and second curve are CSWS warning targets on the basis of the vehicle speed information and each piece of information on the first curve and second curve; and when the first curve and second curve are all warning curve targets, giving a warning about the first curve or second curve before the vehicle enters the first curve.

IPC Classes  ?

• B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
• B60W 40/072 - Curvature of the road

Abstract

According to one embodiment of the present invention, a method for warning a driver of danger includes the steps of: turning on the CSWS; detecting a plurality of curves ahead; confirming whether the plurality of curves ahead are CSWS warning target curves; confirming navigation information; and giving a CSWS warning according to the navigation information. According to the present invention, when a vehicle enters a plurality of curves, a plurality of curves ahead can be detected and a CSWS warning can be given to a driver through navigation information, the frequency of vehicle accidents can be reduced in an active safety system using the CSWS, and accordingly, personal injury and material damage can be reduced.

IPC Classes  ?

• B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
• B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
• B60W 40/076 - Slope angle of the road

Abstract

One embodiment of the present invention relates to a vehicle safety system. When various safety systems are mounted onto a vehicle, adjustments between different safety systems are needed. For example, when all the safety systems mounted onto the vehicle use an identical warning scheme, a driver has difficulty grasping which system gave a warning. In addition, warning methods are required to be different among homogeneous systems in dangerous situations. According to one embodiment of the present invention, warnings are given through differentiated warning methods according to dangerous situations between heterogeneous systems or even among homogeneous systems.

IPC Classes  ?

• B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
• B60W 30/08 - Predicting or avoiding probable or impending collision

Abstract

Disclosed is a curve speed warning method including the steps of: turning on the CSWS, which is a system for warning a driver, when a vehicle operates in a speed that exceeds a safe speed for a curved road; obtaining curve road information from external environmental information during the operation of the vehicle; obtaining a current operating speed of the vehicle; and giving a warning when the operating speed is determined as exceeding the safe speed using the curve road information obtained during the operation of the vehicle.

IPC Classes  ?

• B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
• B60W 40/072 - Curvature of the road

Abstract

The present invention provides a lane-keeping assistance system for improving traveling lane-tracking performance on a curved road and uniformly maintaining steering feel so as to improve sensitivity, wherein the traffic lane-keeping assistance system comprises: a vehicle sensor part for measuring steering angle, yaw rate, acceleration and speed of a vehicle; a vehicle observation part for estimating lateral velocity and steering angular speed of the vehicle from the steering angle, the yaw rate, the acceleration and the speed of the vehicle obtained from the vehicle sensor part; an image sensor part for measuring departure angle and departure distance of the vehicle; a lane detection part for providing lane information including road curvature information; and a vehicle control unit for the integratively controlling an electric power steering (EPS) device and an electronic stability control (ESC) device from the steering angle, the yaw rate, the lateral velocity, the steering angular speed, the departure angle, the departure distance and the lane information provided from the vehicle sensor part, the vehicle observation part, the image sensor part, and the lane detection part.

IPC Classes  ?

• B60W 30/12 - Lane keeping
• B60W 30/09 - Taking automatic action to avoid collision, e.g. braking and steering
• B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions

Abstract

A strut bar assembly, according to one embodiment of the present invention, comprises: a first fixing member fixed to one side of a vehicle; a second fixing member fixed to the other side of the vehicle; a connection member for connecting the first fixing member with the second fixing member; a first binding unit which is provided between a first binding part of the first fixing member and a first binding part of the connection member so as to bind the first binding part of the first fixing member and the first binding part of the connective member together; and a second binding unit which is provided between a second binding part of the first fixing member and a second binding part of the connection member so as to bind the second binding part of the first fixing member and the second binding part of the connective member together.

IPC Classes  ?

• B60G 7/02 - Attaching arms to sprung part of vehicle
• B60G 21/04 - Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
• B62D 25/08 - Front or rear portions

Abstract

The present invention relates to a rotor assembly for a turbo charger, comprising: a rotor which has a plurality of blades so as to be rotated by high-pressure exhaust gas and in which a male screw part protrudes toward an axial direction with respect to the center of rotation of the rotor; and a shaft in which a female screw part coupled with the male screw part of the rotor is formed so as to be assembled with the rotor, wherein the male screw part of the rotor has the same rotational direction as that of the rotor in the screw-coupling process, improves the coupling properties and durability between components, and can be applied to both a gasoline engine and a diesel engine having high-temperature and high-pressure exhaust gas.

IPC Classes  ?

• F02B 39/00 - Component parts, details, or accessories relating to driven charging or scavenging pumps, not provided for in groups
• F01D 5/02 - Blade-carrying members, e.g. rotors
• F01D 25/00 - Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
• B23K 15/00 - Electron-beam welding or cutting

Abstract

The present invention relates to an apparatus for manufacturing a seamless pipe by friction stir welding a metal material extruded by means of a direct extrusion method. The present invention also relates to a method for manufacturing the seamless pipe. According to one aspect of the present invention, an apparatus for manufacturing a seamless pipe is provided, the apparatus comprising: a container for containing a material to be extruded therein; a stem for compressing one end of the material to be extruded in the container; a die arranged in the direction opposite the stem and having an extrusion hole consisting of a plurality of ports; a rotating member arranged at a front end of the die, the rotating member having, at one surface thereof, a stirring tip to be inserted into a joint surface formed by joining a plurality of metal pieces discharged through the extrusion hole, the rotating member rotating while said one surface is in contact with the joint surface so as to perform friction stir welding; and a correction mold having a metal pipe discharge path for accommodating the metal pipe manufactured by the friction stir welding and discharging the metal pipe to the outside.

IPC Classes  ?

• B21C 23/08 - Making wire, rods or tubes
• B21C 23/04 - Making uncoated products by direct extrusion
• B21C 25/00 - Profiling tools for metal extruding
• B23K 20/12 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by frictionFriction welding

Abstract

Provided are an aluminum alloy including an iron-manganese homogeneous solid solution and a preparation method thereof. According to one embodiment, an iron-manganese alloy powder is provided. The iron-manganese alloy powder is injected into a molten aluminum. An aluminum alloy including an iron-manganese homogenous solid solution is manufactured by casting molten aluminum.

IPC Classes  ?

• C22C 21/00 - Alloys based on aluminium
• B22D 21/04 - Casting aluminium or magnesium

Abstract

Provided are an aluminum-magnesium extruded material and a manufacturing method thereof. The present invention relates to an aluminum-magnesium master alloy having a first magnesium composition. The aluminum-magnesium master alloy is added to a molten aluminum and then cast, thereby preparing an aluminum-magnesium alloy having a second magnesium composition which is smaller than the first magnesium composition. The aluminum-magnesium alloy is then extruded to obtain an aluminum-magnesium extruded material.

IPC Classes  ?

• C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
• B22D 21/04 - Casting aluminium or magnesium

Abstract

The present invention relates to a heat resistant aluminum alloy in which two types of alloy elements are bonded to aluminum while forming a homogeneous solid solution strengthening phase. The heat resistant aluminum alloy according to the present invention has innovative heat resistant properties in that the alloy elements cooperate to form a homogeneous solid solution, and the homogeneous solid solution strengthening phase, which is formed to have no solvus line with respect to the aluminum serving as a matrix metal, is not coarsened or phase-decomposed by the reaction to the aluminum even at the high temperature of 300°C.

IPC Classes  ?

• C22C 21/00 - Alloys based on aluminium
• C22C 21/12 - Alloys based on aluminium with copper as the next major constituent