Abstract: Disclosed is a side curtain airbag and an airbag system including the same. The side curtain airbag according to the present invention comprises an inflating part having gas inflation, a non-inflating part supporting the inflating part, and an adhered part constituting a boundary between the inflating part and the non-inflating part. The adhered part is coated with a seam sealant and sewed. The initial maximum pressure of the inflating part is 40 kPa or more when injecting a gas therein with an instant pressure of at least 10 bar, and the pressure after 6 seconds is 25 kPa or more. The side curtain airbag may optimize to apply the method of seam sealant coating and sewing on the adhered part constituting a boundary between the inflating part and the non-inflating part. Thus, it can keep the internal gas pressure of the airbag to the extent of protecting passengers safely at rollover.

Abstract: The present invention relates to an airbag cushion and an airbag system including the same, and particularly to an airbag cushion, including: at least one fabric; and seam parts connecting the fabric, wherein deviation of upper seam thread length per a unit length of the fabric between the first seam part sewed in forward direction and the second seam part sewed in reverse direction in the seam parts is 15% or less, a method of preparing the same, and an airbag system including the same. The airbag cushion of the present invention is superior in working stability and unfolding performance because of the optimized properties of the seam parts, provides superior shape stability and air-tight effect at the same time, and can protect a passenger by minimizing the shock given to the passenger.

Abstract: The present invention relates to an airbag cushion and an airbag system including the same, and particularly to an airbag cushion, including: at least one fabric; and seam parts connecting the fabric, wherein deviation of upper seam thread length per a unit length of the fabric between the first seam part sewed in forward direction and the second seam part sewed in reverse direction in the seam parts is 15% or less, a method of preparing the same, and an airbag system including the same. The airbag cushion of the present invention is superior in working stability and unfolding performance because of the optimized properties of the seam parts, provides superior shape stability and air-tight effect at the same time, and can protect a passenger by minimizing the shock given to the passenger.

Abstract: Disclosed is a fabric for an airbag including a polyester fiber, and particularly to a polyester fabric for an airbag of which toughness is 3.5 to 6.0 kJ/m3 and tearing strength measured according to the ASTM D 2261 TONGUE method is 18 to 30 kgf, wherein the fabric includes polyester fiber of which toughness is 70 to 95 J/m3, a method of preparing the same, and an airbag for a car including the same.

Abstract: The present invention relates to a double-layered fabric including separated two fabric layers which are simultaneously woven by an OPW (one piece woven) method. Specifically, the present invention relates to a gas-inflatable double-layered fabric including a double patterned weave comprised of separated top and bottom fabric layers which are simultaneously woven and have different patterns each other, a preparation method thereof, and an airbag including the same.

Abstract: Disclosed is a side curtain airbag and an airbag system including the same. The side curtain airbag according to the present invention comprises an inflating part having gas inflation, a non-inflating part supporting the inflating part, and an adhered part constituting a boundary between the inflating part and the non-inflating part. The adhered part is coated with a seam sealant and sewed. The initial maximum pressure of the inflating part is 40 kPa or more when injecting a gas therein with an instant pressure of at least 10 bar, and the pressure after 6 seconds is 25 kPa or more. The side curtain airbag may optimize to apply the method of seam sealant coating and sewing on the adhered part constituting a boundary between the inflating part and the non-inflating part. Thus, it can keep the internal gas pressure of the airbag to the extent of protecting passengers safely at rollover.

Abstract: Disclosed is brake system technology such as a modulator block and an electronic control brake system for vehicles having the same which suppresses residual frictional force generated due to contact between pads and a disc by moving a part of fluid at the wheel brake side to a residual frictional force control unit so as to retract pads from the disc, so that the hydraulic volume is reduced.

Abstract: There is provided an initial flow increasing module. The initial flow increasing module is connected with an electronic stability control (ESC) system having a first hydraulic channel and a second hydraulic channel each for controlling a liquid pressure transmitted to two wheels, and includes a hydraulic circuit that includes a pressure source in which oil is stored so as to increase a braking initial flow and a flow control valve connected with the pressure source so as to control a flow of oil transmitted to a wheel brake provided in each wheel from the pressure source.

Abstract: Disclosed are electronic control brake systems for vehicles which suppress residual frictional force generated due to contact between pads and a disc.

Abstract: Disclosed are electronic control brake systems for vehicles which suppress residual frictional force generated due to contact between pads and a disc.

Abstract: Disclosed is an electronic control brake system for vehicles which suppresses residual frictional force generated due to contact between pads and a disc, the electronic control brake system including an electronic control unit enabling a control of an anti-lock brake system (ABS) mode and a traction control system (TCS) mode, a master cylinder forming brake hydraulic pressure according to operation of a brake pedal, wheel brakes, each of which includes a caliper device including a disc provided in a vehicle and advancing and retracting a pair of pads pressing the disc so as to exhibit wheel braking force by the brake hydraulic pressure transmitted from the master cylinder, plural NO type solenoid valves and NC type solenoid valves respectively provided at upstream sides and downstream sides of the wheel brakes and controlling the flow of the brake hydraulic pressure, low pressure accumulators in which a fluid discharged from the wheel brakes is temporarily stored during the ABS mode braking of the solenoid va

Abstract: Disclosed is an electronic control brake system for vehicles which suppresses residual frictional force generated due to contact between pads and a disc. The electronic control brake system for vehicles includes a master cylinder, wheel brakes, each of which includes a caliper device including a disc and advancing and retracting a pair of pads pressing the disc to exhibit braking force by brake hydraulic pressure transmitted from the master cylinder, plural NO and NC type solenoid valves, low pressure accumulators, pumps and a motor pressurizing a fluid stored in the low pressure accumulators to discharge the fluid to the wheel brakes or the master cylinder, and a section between the plural solenoid valves and the low pressure accumulator is are formed as a closed circuit section, and the pump is driven to move a part of the fluid in the closed circuit section to the outlet of the pump.

Abstract: This disclosure relates to polyester fiber that can be used for an airbag fabric. Particularly, the present invention relates to a polyester fiber that has elongation of 1.65% to 2.5% when tensile strength of 1.0 g/d is applied after heat treatment at 185° C. for 2 minutes, and additionally elongates in the range of elongation from 0.5% to 5% at the range of tensile strength from 8.0 g/d to the maximum strength. Also disclosed is a method for preparing the same, and fabric for an airbag prepared therefrom. The polyester fiber simultaneously has low initial Young's modulus and excellent mechanical properties, and thus, it may provide excellent packing, dimensional stability, and excellent air cut-off effect, and simultaneously, minimize impact applied to a passenger thus safely protecting a passenger.

Abstract: Disclosed is a polyester yarn, wherein a room-temperature strength-elongation index (X0) indicating a ratio (T0/S0) of tensile strength (T0) to tensile elongation (S0) of the polyester yarn, measured at room temperature, and a primary high-humidity strength-elongation index (X1) indicating a ratio (T1/S1) of tensile strength (T1) to tensile elongation (S1) of the polyester yarn, measured after heat-treating the polyester yarn under conditions of a temperature of 85° C. and a relative humidity (RH) of 95±5% for 168 hours, are optimized in a predetermined range.

Abstract: The present invention relates to an airbag fabric comprising a polyester fiber, and more particularly to a polyester fabric, a preparation method for the same, and an airbag for vehicle comprising the same, where the polyester fabric has a tensile strength T1 of at least 95 kgf/inch as measured according to the ASTM D 5034 method, a tear strength T2 of at least 6.5 kgf as measured according to the ASTM D 2261 TONGUE method, and the ratio (T1/T2) of tensile strength T1 to tear strength T2 in the range of 4.0 to 16.4. The airbag fabric of the present invention uses a low-modulus polyester fiber having high strength and high elongation to impart good mechanical properties, such as high toughness and high tear strength, and excellences in packing property, dimensional stability, and air sealing performance, thereby minimizing collision impacts on occupants and protecting occupants with safety.

Abstract: The present invention relates to a polyester fiber applicable to an airbag fabric, and more particularly to a polyester fiber, a preparation method for the polyester fiber, and an airbag fabric prepared from the polyester fiber, where the polyester fiber has an elongation of 0.8 to 2.0% under a tensile strength of 1.0 g/d at the room temperature, and an additional elongation of 1.5 to 5% under a tensile strength of 8.8 g/d to the maximum. The polyester fiber of the present invention which secures low initial Young's modulus and good mechanical properties can be used in an airbag fabric not only to provide excellences in air sealing effect as well as packing property and dimensional stability but also to minimize collision impacts on occupants, thereby protecting the occupants with safety.

Abstract: The present invention relates to an airbag fabric comprising a polyester fiber, and more particularly to a polyester fabric having a thermal resistance constant (X) of 1.0 to 6.5 in the uncoated fabric state, a preparation method for the same, and an airbag for vehicle comprising the same. The airbag fabric of the present invention uses a polyester fiber having low Young's modulus, high strength and high elongation to impart good mechanical properties, such as high strength and high thermal resistance, and good folding property, high dimensional stability, and good air sealing effect as well, thereby minimizing collision impacts on occupants to protect the occupants with safety.

Abstract: The present invention relates to an airbag cushion and an airbag system including the same, and particularly to an airbag cushion, including: at least one fabric; and seam parts connecting the fabric, wherein deviation of upper seam thread length per a unit length of the fabric between the first seam part sewed in forward direction and the second seam part sewed in reverse direction in the seam parts is 15% or less, a method of preparing the same, and an airbag system including the same. The airbag cushion of the present invention is superior in working stability and unfolding performance because of the optimized properties of the seam parts, provides superior shape stability and air-tight effect at the same time, and can protect a passenger by minimizing the shock given to the passenger.

Abstract: Disclosed is a fabric for an airbag including a polyester fiber, and particularly to a polyester fabric for an airbag of which toughness is 3.5 to 6.0 kJ/m3 and tearing strength measured according to the ASTM D 2261 TONGUE method is 18 to 30 kgf, wherein the fabric includes polyester fiber of which toughness is 70 to 95 J/m3, a method of preparing the same, and an airbag for a car including the same.

Abstract: The present invention relates to a side curtain airbag and an airbag system comprising the same. The side curtain airbag according to the present invention comprises an inflating part having gas inflatability, a non-inflating part supporting the inflating part, and an adhered part constituting a boundary between the inflating part and the non-inflating part. The adhered part is coated with a seam sealant and sewed. The initial maximum pressure of the inflating part is 40 KPa or more when injecting a gas therein with an instant pressure of at least 10 bar, and the pressure after 6 seconds is 25 KPa or more. The side curtain airbag according to the present invention optimizes to apply the method of seam sealant coating and sewing on the adhered part constituting a boundary between the inflating part and the non-inflating part. Thus, it can keep the internal gas pressure of the airbag to the extent of protecting passengers safely at rollover.