Abstract: A lower stiffener is provided for a bumper of a vehicle. The lower stiffener is mounted on a lower portion of a bumper beam or a front end module (FEM) carrier of the vehicle. The lower stiffener includes a pair of core portions formed by extending in a width direction of the vehicle in an elongated loop shape corresponding to a shape of the bumper of the vehicle, and arranged parallel to each other at a regular interval. A pair of molding portions surrounds the core portions, respectively and a connection portion connects and integrates the pair of molding portions with each other.

Abstract: Discribed is an impact-absorbing reinforcement structure for center pillars including a high-strength section, a medium-strength section and a low-strength section, divided from each other and integrally formed. The high-strength section is composed of carbon fiber reinforced plastic (CFRP) formed by impregnating carbon fiber with a resin and is disposed at the upper region of a vehicle center pillar; the low-strength section is composed of a composite material formed by impregnating carbon fiber and olefin-based fiber with a resin, has lower strength than the high-strength section and is disposed at a lower region of the vehicle center pillar; and the medium-strength section is composed of a composite material formed by impregnating carbon fiber and olefin-based fiber with a resin, has strength between the strength of the high-strength section and the low-strength section and is disposed at a central region of the vehicle center pillar.

Abstract: A vehicular underframe structure may an include a lower panel including a composite material and having a central portion curved upwards along a longitudinal direction thereof; an upper panel including a composite material and combined on the lower panel wherein an undersurface thereof faces an upper surface of the lower panel with an internal compartment formed therebetween; and a rib portion provided in the internal compartment and having a lower rib integrally protruding upwards from the upper surface of the lower panel and an upper rib integrally protruding downwards from the undersurface of the upper panel.

Abstract: A three-dimensional product manufacturing apparatus, may include a shape guide portion including a seating portion; a discharge portion discharging a material onto the seating portion while moving along the seating portion; and a material fixing portion fixing the material discharged from the discharge portion to the fixing portion, in which the seating portion moves the material fixed by the fixing portion depending on a predetermined process sequence and the material is sequentially processed.

Abstract: A bumper unit of a vehicle includes a plurality of bumper beams arranged in a width direction of the vehicle, each of the bumper beams being coupled at both ends thereof to a vehicle body, a bumper reinforcement member configured as a molded synthetic-resin base, the base being formed with a plurality of through-holes in the width direction of the vehicle such that the bumper beams penetrate the base via the through-holes, and a strengthening band formed of reinforcement fiber tows, the strengthening band being configured to surround the exterior of the bumper reinforcement member.

Abstract: The fiber-reinforced plastic member includes a continuous variation layer which includes a synthetic resin constituting a base and a plurality of reinforcement fibers embedded in the synthetic resin, and a reinforcing layer which is attached to the continuous variation layer to constitute the fiber-reinforced plastic member for a vehicle and is composed of a synthetic resin constituting the base and a plurality of reinforcement fibers. In particular, the plurality of reinforcement fibers in the continuous variation layer are arranged so as to be inclined with respect to a longitudinal direction of the fiber-reinforced plastic member for a vehicle and angles of the reinforcement fibers with respect to the longitudinal direction of the fiber-reinforced plastic member progressively varying along the longitudinal direction and the plurality of reinforcement fibers in the reinforcing layer are embedded in the synthetic resin and intersecting each other in a reticular pattern.

Abstract: A hood panel is provided. The hood panel includes a plurality of first layers formed of a reinforced fiber and a resin and a plurality of second layers including a complex portion formed of a reinforced fiber and a resin and a resin portion formed of a resin. The first layer and the second layers form a multilayer structure. A reinforced area is formed by the first layers and the complex portions of the second layers and a shock absorption area is formed by the first layers and the resin portions of the second layers.

Abstract: Disclosed is an apparatus for producing a fiber composite preform. The apparatus includes a lower mold and a molding unit for molding a preform by pressing a fiber composite placed on a surface of the lower mold while the molding unit is deformed in accordance with a shape of the surface of the lower mold.

Abstract: A vehicular underframe structure may an include a lower panel including a composite material and having a central portion curved upwards along a longitudinal direction thereof; an upper panel including a composite material and combined on the lower panel wherein an undersurface thereof faces an upper surface of the lower panel with an internal compartment formed therebetween; and a rib portion provided in the internal compartment and having a lower rib integrally protruding upwards from the upper surface of the lower panel and an upper rib integrally protruding downwards from the undersurface of the upper panel.

Abstract: Disclosed herein is a common mode filter including: at least four coil layers, each layer having a primary coil and a secondary coil; and discontinuous parts made of an insulating material each extending between starting points of each of the primary coil and the secondary coil positioned on the lowest layer among the coil layers to ending points of each of the primary coil and the secondary coil positioned on the highest layer among the coil layers. The primary coils are connected in series from the lowest layer to the highest layer, and the secondary coils are connected in series from the lowest layer to the highest layer. The common mode filter is able to be miniaturized and has improved impedance characteristics.

Abstract: Disclosed is an impact-absorbing reinforcement structure for center pillars including a high-strength section, a medium-strength section and a low-strength section, divided from each other and integrally formed. The high-strength section is composed of carbon fiber reinforced plastic (CFRP) formed by impregnating carbon fiber with a resin and is disposed at the upper region of a vehicle center pillar; the low-strength section is composed of a composite material formed by impregnating carbon fiber and olefin-based fiber with a resin, has lower strength than the high-strength section and is disposed at a lower region of the vehicle center pillar; and the medium-strength section is composed of a composite material formed by impregnating carbon fiber and olefin-based fiber with a resin, has strength between the strength of the high-strength section and the low-strength section and is disposed at a central region of the vehicle center pillar.

Abstract: There are provided an inductor and a method of manufacturing the same. The inductor includes: a body including a plurality of coil layers and high-rigidity insulating layers disposed on and beneath the plurality of coil layers; and external electrodes disposed on external surfaces of the body and connected to the coil layers. Build-up insulating layers are disposed between the high-rigidity insulating layers to cover the coil layers, and the high-rigidity insulating layers have a Young's modulus greater than that of the build-up insulating layers.

Abstract: A hybrid propeller shaft may include a CFRP tube layer in which high-strength CFRP or high-elasticity CFRP, the high-strength CFRP, and the high-elasticity CFRP are laminated to form at least two layers while having different wrapping angles by a prepreg wrapping process method; and a protective layer which is formed on an outermost layer of the CFRP tube layer to protect the CFRP tube layer.

Abstract: A common mode filter in which at least one surface of all of external electrodes and ground electrodes are exposed to a first surface, at least one side of each of two of the external electrodes and at least one side of one of the ground electrodes contact a first side of the first surface, and at least one side of each of the external electrodes and the ground electrodes of which sides do not contact the first side contact a second side of the first surface, thereby making it possible to improve sticking strength and decrease a short-circuit phenomenon occurrence rate.

Abstract: An assembly for a vehicle is provided that includes a first member having an attachment surface and a locking bracket made of a composite material. The locking bracket has a shape of a panel having predetermined thickness and area and is connected at a lower surface thereof to the first member by being bonded to the attachment surface of the first member, and is open at an upper surface thereof. Additionally, the locking bracket has a honeycomb structure by using a plurality of intersecting partition walls, with a plurality of upward-open combination spaces being formed in the locking bracket. Further, the assembly includes a locking device disposed on a second member of the vehicle and configured to lock the first member and the second member to each other.

Abstract: Disclosed are a polymer resin composition comprising: a binder resin including an olefin-based polymer resin; a carbon fiber surface-treated with a predetermined compound; and a modified polyolefin resin grafted with polyetheramine-bonded dicarboxylic acid or an acid anhydride thereof, a polymer composite tape including the polymer resin composition, and a front bumper of a vehicle equipped with the polymer composite tape.

Abstract: A hybrid piston pin and a manufacturing method thereof are provided. The hybrid piston pin includes a cylindrical pin formed of steel, a first reinforcement layer that is formed of a composite that includes reinforced fibers and a resin, having a cylindrical shape with a uniform thickness, and coupled to the interior surface of the cylindrical pin. A second reinforcement layer is formed of a composite that includes reinforced fibers having an elasticity that is less than the reinforced fibers of the first reinforcement layer. Further, a resin having a cylindrical shape with a uniform thickness is coupled to the interior surface of the first reinforcement layer.

Abstract: A hood panel is provided. The hood panel includes a plurality of first layers formed of a reinforced fiber and a resin and a plurality of second layers including a complex portion formed of a reinforced fiber and a resin and a resin portion formed of a resin. The first layer and the second layers form a multilayer structure. A reinforced area is formed by the first layers and the complex portions of the second layers and a shock absorption area is formed by the first layers and the resin portions of the second layers.

Abstract: A coil electronic component includes a body portion and an external electrode. The body portion includes a coil layer and a reinforcing layer disposed on at least one of an upper portion and a lower portion of the coil layer. The external electrode is disposed on an outer surface of the body portion. The coil layer includes an insulating layer, a coil pattern, and a first conductivity type via penetrating through the insulating layer to be connected to the coil pattern, and the reinforcing layer has a higher degree of rigidity than the insulating layer.

Abstract: A roof for a vehicle is provided. The roof includes a roof panel that is formed of a composite material, a reinforcing frame that is attached onto a lower surface of the roof panel and formed of a composite material and a plurality of first reinforcing members that are connected to the reinforcing frame within the reinforcing frame and disposed to be continuously spaced apart from each other. A plurality of second reinforcing members are connected to the reinforcing frame while intersecting with the first reinforcing members and are disposed to be continuously spaced apart from each other to form a truss structure together with the first reinforcing members within the reinforcing frame.