Abstract: An embodiment frame joint structure includes a plurality of body members, each body member including a closed section portion having a closed section of a set shape and a flange portion integrally extending from the closed section portion, and a plurality of joints, each joint having a first end coupled to a connection point of a respective one of the body members and a second end coupled to an adjacent joint.

Abstract: An embodiment rear vehicle body structure of a vehicle including an underbody and an upper body coupled to the underbody includes a reinforcing member coupled to an upper surface of a rear floor panel provided on the rear side of the upper body and connected to both chassis frames of the underbody through the rear floor panel.

Abstract: An embodiment frame connection structure includes a first body member including an inner portion and an outer portion integrally connected to each other along a transverse direction to form a first closed cross-section and at least one flange extending from the inner portion and the outer portion. It further includes a second body member including an inner portion and an outer portion integrally connected along a longitudinal direction to form a second closed cross-section, wherein the second body member is spot welded to the at least one flange of the first body member.

Abstract: A body reinforcing apparatus for a vehicle is provided at a junction where multiple body members are gathered together and connected to each other to couple the body members. In particular, the body reinforcing apparatus includes: a reinforcing body formed in a 3D-truss structure by a 3D-printing process, and having a plurality of extended portions extended toward the body members; and a fastening member integrally formed with an end of each of the extended portions by inserting the fastening member during the 3D printing process, and having a first end inserted in the extended portion and integrated with the extended portion, and a second end fastened to each of the body members.

Abstract: An embodiment frame joint structure includes a plurality of body members, each body member having opposing first and second end portions, wherein threads are formed on outer surfaces of both end portions, the threads being formed in different directions on the first end portions relative to the second end portions, and a plurality of joints, each joint having a plurality of member conjoining portions that are engageable with corresponding body members.

Abstract: A body reinforcing apparatus for a vehicle is provided at a junction where multiple body members are gathered together and connected to each other to couple the body members. In particular, the body reinforcing apparatus includes: a reinforcing body formed in a 3D-truss structure by a 3D-printing process, and having a plurality of extended portions extended toward the body members; and a fastening member integrally formed with an end of each of the extended portions by inserting the fastening member during the 3D printing process, and having a first end inserted in the extended portion and integrated with the extended portion, and a second end fastened to each of the body members.

Abstract: A vehicle body member includes a first cell unit including a first negative electrode part and a first positive electrode part, a second cell unit including a second negative electrode part and a second positive electrode part, a reinforcing insulating layer interposed between a first surface of the first cell unit and a second surface of the second cell unit, a first positive electrode current collector connected to the first positive electrode part, a second positive electrode current collector connected to the second positive electrode part and connected in parallel to the first positive electrode current collector, a first negative electrode current collector connected to the first negative electrode part, and a second negative electrode current collector connected to the second negative electrode part and connected in parallel to the first negative electrode current collector.

Abstract: A vehicle body member includes a first cell portion including a first negative pole portion and a first positive pole portion, with one or more first via holes penetrating the first negative pole portion and the first positive pole portion, a second cell portion including a second negative pole portion and a second positive pole portion, an insulating layer disposed between a surface of the first cell portion and a surface of the second cell portion, the insulating layer having one or more insulating via holes, a series connector connecting the first negative pole portion and the second positive pole portion in series via the first via holes and the insulating via holes, a positive pole current collector connected to the first positive pole portion, and a negative pole current collector connected to the second negative pole portion.

Abstract: A vehicle body member includes a first cell portion including a first negative pole portion and a first positive pole portion disposed to be in contact with a surface of the first negative pole portion, a second cell portion including a second negative pole portion and a second positive pole portion disposed to be in contact with a surface of the second negative pole portion, an insulating layer disposed between the first cell portion and the second cell portion, a positive pole current collector connecting the first positive pole portion of the first cell portion and the second positive pole portion of the second cell portion in parallel, and a negative pole current collector connecting the first negative pole portion of the first cell portion and the second negative pole portion of the second cell portion in parallel.

Abstract: A vehicle body member includes a first cell portion including a first negative pole portion and a first positive pole portion disposed to be in contact with a surface of the first negative pole portion, a second cell portion including a second negative pole portion and a second positive pole portion disposed to be in contact with a surface of the second negative pole portion, an insulating layer disposed between the first cell portion and the second cell portion, a series connector connecting the first negative pole portion of the first cell portion and the second positive pole portion of the second cell portion in series, a positive pole current collector connected to the first positive pole portion of the first cell portion, and a negative pole current collector connected to the second negative pole portion of the second cell portion.

Abstract: Disclosed are an integrated structure of different kinds of materials formed by integrating a steel material and a fiber reinforced composite material, and a method of integrating different kinds materials. An integrated structure of different kinds of materials may be formed by integrating different kinds of materials that are a steel material and a fiber reinforced composite material. The integrated structure includes: a first plate including a steel material; and a second plate facing the first plate and including a fiber reinforced composite material, which may be formed by impregnating resin in a reinforced fiber. In particular, a thermal bonding layer may be formed at an interface of the first plate and the second plate and include the resin of the second plate which is thermally bonded on a surface of the first plate.

Abstract: A back beam for a vehicle having a charge and discharge function utilizing carbon fiber used as a reinforcing material in a back beam of a vehicle, may include a reinforced negative electrode portion formed of carbon fiber and formed to extend in the width direction of the vehicle, a positive electrode portion disposed opposite to at least a portion of the reinforced negative electrode portion, a solid electrolyte portion disposed between the reinforced negative electrode portion and the positive electrode portion to be in contact with the reinforced negative electrode portion and the positive electrode portion, and a molding portion formed of resin and surrounding the reinforced negative electrode portion, the positive electrode portion and the solid electrolyte portion.

Abstract: An ozone water treatment system using low energy. The present invention includes: a water pipe through which raw water, to be treated, is transferred and supplied while having energy; a gas injector for dispersing and injecting, in a micro bubble form, ozone gas to the raw water supplied and transferred from the water pipe; a low-energy using-type gas-liquid contact reactor for promoting a contact reaction between the ozone gas and the raw water within ozone mixed water supplied and transferred from the gas injector; and a discharge pipe for continuously transferring and discharging treated water having been reaction-treated. Therefore, since energy use during the ozone gas injection and the contact reaction can be remarkably reduced, processing costs can be reduced.

Abstract: A method for manufacturing a multilayer fiber reinforced resin composite, may include preparing a multi-sheet connected by sequentially disposing and connecting a plurality of reinforced fiber sheets, in which reinforced fibers are prepared in different arrangement directions, in a longitudinal direction thereof; rolling the multi-sheet to prepare a pipe-shaped multi-core having a plurality of layers; and impregnating the multi-core with a resin.

Abstract: A back beam for a vehicle having a charge and discharge function utilizing carbon fiber used as a reinforcing material in a back beam of a vehicle, may include a reinforced negative electrode portion formed of carbon fiber and formed to extend in the width direction of the vehicle, a positive electrode portion disposed opposite to at least a portion of the reinforced negative electrode portion, a solid electrolyte portion disposed between the reinforced negative electrode portion and the positive electrode portion to be in contact with the reinforced negative electrode portion and the positive electrode portion, and a molding portion formed of resin and surrounding the reinforced negative electrode portion, the positive electrode portion and the solid electrolyte portion.

Abstract: A composite material with an insert-molded attachment steel is provided. The composite material includes a plurality of burring apertures, each of which has a flange in one direction on the attachment steel and is inserted between fibers. A resin is then introduced between the fibers in each burring aperture and external to the flange.

Abstract: Disclosed is a composite part with an inserted metal plate, the composite part including: a first metal plate; a sheet of reinforced fiber layer folded around the metal plate; a first connection hole disposed in the reinforced fiber layer and exposing a section of the metal plate; and a resin impregnating the reinforced fiber layer and integrally adhering the first plate and the reinforced fiber layer.

Abstract: A rear floor arrangement structure for a vehicle is provided. The rear floor arrangement structure includes a bottom part and a cross part that extends in a width direction of a vehicle body from one side of the bottom part. Additionally, a collision dispersion member is disposed at the bottom part and the cross part and the collision dispersion member extends along a collision direction of the vehicle body.

Abstract: A rear floor arrangement structure for a vehicle is provided. The rear floor arrangement structure includes a bottom part and a cross part that extends in a width direction of a vehicle body from one side of the bottom part. Additionally, a collision dispersion member is disposed at the bottom part and the cross part and the collision dispersion member extends along a collision direction of the vehicle body.

Abstract: Disclosed is a composite part with an inserted metal plate, the composite part including: a first metal plate; a sheet of reinforced fiber layer folded around the metal plate; a first connection hole disposed in the reinforced fiber layer and exposing a section of the metal plate; and a resin impregnating the reinforced fiber layer and integrally adhering the first plate and the reinforced fiber layer.