Abstract: The present invention relates to a composition for preventing or treating transplantation rejection or a transplantation rejection disease, comprising a novel compound and a calcineurin inhibitor. A co-administration of the present invention 1) reduces the activity of pathogenic Th1 cells or Th17 cells, 2) increases the activity of Treg cells, 3) has an inhibitory effect against side effects, such as tissue damage, occurring in the sole administration thereof, 4) inhibits various pathogenic pathways, 5) inhibits the cell death of inflammatory cells, and 6) increases the activity of mitochondria, in an in vivo or in vitro allogenic model, a transplantation rejection disease model, a skin transplantation model, and a liver-transplanted patient, and thus inhibits transplantation rejection along with mitigating side effects possibly occurring in the administration of a conventional immunosuppressant alone.

Abstract: An optical film for a display device, includes: a first refractive layer having an upper surface and a lower surface including first projections and second projections extending away from the lower surface in a first direction, the second projections having different heights than the first projections, the first projections having lateral sides with different angles of inclination that decrease in the first direction; and a second refractive layer disposed directly on the upper surface of the first refractive layer, the second refractive layer having a refractive index different from that of the first refractive layer.

Abstract: A heat storage body for a regenerative catalytic apparatus is provided, the heat storage body includes: a body unit including a ceramic sintered body containing aluminum oxide, silica, and magnesium oxide, the body unit having a plurality of channels connecting first and second surfaces, located opposite to each other. The heat storage body further including a protective film disposed on a surface of the body unit and inner surfaces of the plurality of channels. The protective film includes an oxide containing a first metal of aluminum and at least one second metal including at least one from among yttrium, zinc, zirconium, tungsten, zinc, and nickel.

Abstract: An actuator for a transmission may include a shift fork coupled to a sleeve; a ball screw mounted to pass through a portion of the shift fork; and at least a guide shaft mounted to pass through a portion of the shift fork to be parallel to the ball screw.

Abstract: A coating composition having excellent non-combustibility and weather resistance. The coating composition may include a silicone modified polyester resin, a curing agent, a pigment, and a flame retardant, wherein the silicone modified polyester resin is prepared by condensation polymerization of a silicone intermediate, an alcohol monomer, and an acid monomer, the alcohol monomer includes a trifunctional or lower aliphatic alcohol and a tetrafunctional aliphatic alcohol in a weight ratio of 80 to 60:20 to 40, the acid monomer includes an aromatic acid and an aliphatic acid in a weight ratio of 20 to 40:80 to 60, and the mixing ratio of the alcohol monomer and the acid monomer is 1.0 to 2.

Abstract: A control method of a transmission of an electric vehicle provided with a transmission having a sleeve gear having an inclined chamfer on a first side of the sleeve gear and a flat chamfer on a second side of the sleeve gear, may include measuring a maximum movable stroke of a sleeve having the sleeve gear by moving the sleeve axially to both sides by a controller; determining a reference range to which the measured maximum stroke pertains from predetermined reference ranges by the controller; and determining and setting a neutral position of the sleeve using a predetermined determination method, depending on the determined reference range by the controller.

Abstract: The present invention relates to an undercoat paint composition comprising an acid-modified polyester resin, a pigment, and a solvent.

Abstract: A power train for an electric vehicle may include an input shaft to which a motor is fixedly connected; an output shaft mounted in parallel to the input shaft; a first driving gear and a first driven gear mounted on the input shaft and the output shaft, respectively, to be gear-engaged with each other; a second driving gear and a second driven gear mounted on the input shaft and the output shaft, respectively, to be gear-engaged with each other; a one-way clutch mounted in a first path where power is transmitted from the input shaft to the output shaft through the first driving gear and the first driven gear; a restraining mechanism mounted to selectively restrain the one-way clutch from freely rotating; and a friction clutch mounted to regulate a second path where power is transmitted from the input shaft to the output shaft through the second driving gear and the second driven gear.

Abstract: A hybrid powertrain may include a first shifting module including a motor input shaft having a motor directly connected to the motor shaft and provided to form two shifting stages having the largest gear ratios in sequence among a series of shifting stages; a second shifting module including an engine input shaft concentrically mounted with the motor input shaft and connected to an engine through a main clutch, and provided to form the remaining shifting stages of the series of shifting stages; a center synchro mounted to intermit the motor input shaft and the engine input shaft; and a continuous variable device provided to implement a state in which the first shifting module forms a gear ratio smaller than a shifting stage having a small gear ratio among the shifting stages of the first shifting module by a continuously controlled friction force.

Abstract: A hybrid powertrain for a vehicle includes a first input shaft connected to an engine, a second input shaft connected to the engine and coaxially mounted with the first input shaft, a motor input shaft coaxially mounted with the first input shaft and connected to a motor, first and second output shafts mounted in parallel to the first input shaft and the second input shaft, first and second drive gears connected to the motor input shaft, a first driven gear engaged with the first drive gear, a second driven gear engaged with the second drive gear, a complex synchronizer to couple and separate the first input shaft and the motor input shaft and to couple and separate the first drive gear and the motor input shaft, a third clutch to couple and separate the second drive gear and the motor input shaft, and a plurality of external gear pairs configured to respectively define different gear ratios.

Abstract: A clutch device configured for a transmission may include a first body and a second coaxially mounted to the first body; a friction element mounted between the first body and the second body; a friction piston configured to axially press the friction element by use of hydraulic pressure; a retractable mechanism including a dog clutch, which is configured to restrict rotation between the first body and the second body, and repeatedly engaging and disengaging the dog clutch by repeatedly applying pressure in axial direction thereof; and an operation piston configured to provide pressure to the retractable mechanism in an axial direction of the retractable mechanism.

Abstract: A power train for an electric vehicle may include an input shaft to which a motor is fixedly connected; a driving gear rotatably mounted on the input shaft; an output shaft disposed in parallel to the input shaft; a driven gear fixed to the output shaft and gear-engaged with the driving gear; a planetary gear set including first, second and third rotation elements wherein the first rotation element is fixedly connected to the input shaft and the second rotation element is fixedly connected to the driving gear, and the third rotation element is restrained from rotating; a friction clutch configured for selectively connecting the input shaft to the driving gear and configured for selectively connecting the input shaft to the driving gear; and a restraining device provided to the third rotation element to implement two states so that only one-way rotation of the third rotation element of the planetary gear set is restrained or two-way rotation thereof is restrained.

Abstract: A clutch device configured for a transmission may include a first body and a second coaxially mounted to the first body; a friction element mounted between the first body and the second body; a friction piston configured to axially press the friction element by use of hydraulic pressure; a retractable mechanism including a dog clutch, which is configured to restrict rotation between the first body and the second body, and repeatedly engaging and disengaging the dog clutch by repeatedly applying pressure in axial direction thereof; and an operation piston configured to provide pressure to the retractable mechanism in an axial direction of the retractable mechanism.

Abstract: A hybrid powertrain for a vehicle may include a first input shaft selectively connectable to an engine through a first clutch; a second input shaft selectively connectable to the engine through a second clutch and mounted to be coaxial with the first input shaft; a motor input shaft mounted to be coaxial with the first input shaft and to which a motor is connected; a first output shaft and a second output shaft each mounted in parallel to the first input shaft and the second input shaft; a center synchronizing unit mounted between the first input shaft and the motor input shaft and configured to interrupt a connection between the first input shaft and the motor input shaft; a plurality of pairs of circumscription gears configured to form a series of shift ratios used for driving of the vehicle; and a variable transmission mechanism.

Abstract: A hybrid powertrain may include an engine input shaft connected to an engine by a main clutch, a motor input shaft mounted coaxially with the engine input shaft and connected to a motor, a center synchronizer installed to interrupt connection between the engine input shaft and the motor input shaft, first and second output shafts mounted parallel to the engine input shaft, a variable driving gear provided on the motor input shaft to maintain or increase a rotation speed of the motor input shaft and then to transmit the maintained or increased rotation speed to the first output shaft, and plural external gear pairs installed to form different transmission gear ratios between the engine input shaft and the first output shaft and between the engine input shaft and the second output shaft.

Abstract: A power train for an electric vehicle may include an input shaft to which a motor is fixedly connected; a driving gear rotatably mounted on the input shaft; an output shaft disposed in parallel to the input shaft; a driven gear fixed to the output shaft and gear-engaged with the driving gear; a planetary gear set including first, second and third rotation elements wherein the first rotation element is fixedly connected to the input shaft and the second rotation element is fixedly connected to the driving gear, and the third rotation element is restrained from rotating; a friction clutch configured for selectively connecting the input shaft to the driving gear and configured for selectively connecting the input shaft to the driving gear; and a restraining device provided to the third rotation element to implement two states so that only one-way rotation of the third rotation element of the planetary gear set is restrained or two-way rotation thereof is restrained.

Abstract: A power train for a vehicle may include a differential case; a differential ring gear aligned to be concentric to the differential case, and provided in a relatively rotatable state therebetween; and a connection/disconnection mechanism provided to connect or disconnect the differential ring gear and the differential case in a state where power is transferred thereto.

Abstract: A power train for an electric vehicle may include an input shaft to which a motor is fixedly connected; an output shaft mounted in parallel to the input shaft; a first driving gear and a first driven gear mounted on the input shaft and the output shaft, respectively, to be gear-engaged with each other; a second driving gear and a second driven gear mounted on the input shaft and the output shaft, respectively, to be gear-engaged with each other; a one-way clutch mounted in a first path where power is transmitted from the input shaft to the output shaft through the first driving gear and the first driven gear; a restraining mechanism mounted to selectively restrain the one-way clutch from freely rotating; and a friction clutch mounted to regulate a second path where power is transmitted from the input shaft to the output shaft through the second driving gear and the second driven gear.

Abstract: A powertrain for an electric vehicle, may include: an input shaft and an output shaft mounted in parallel to each other; first and second power transmission mechanisms provided to transmit power from the input shaft to the output shaft at two gear ratios different from each other; a one-way clutch included in the first power transmission mechanism; a friction clutch included in the second power transmission mechanism; and a bypass mechanism provided to form a power transmission path that bypasses the one-way clutch and a power transmission path that bypasses the friction clutch.

Abstract: A cone clutch for a vehicle may include a hub, a sleeve, a clutch ring including a clutch cone, a first friction ring, an internal middle cone, a second friction ring, an external middle cone, and a third friction ring, wherein friction members are provided on only any one of two contact surfaces between the clutch cone and the first friction ring, between the first friction ring and the internal middle cone, between the internal middle cone and the second friction ring, between the second friction ring and the external middle cone, and between the external middle cone and the third friction ring.