Abstract: Disclosed herein is a ventilation seat of a vehicle, wherein since an adhesive material includes a through hole corresponding to an air flow path of a seat pad, when the seat pad and the adhesive material are joined to each other, an area disjoined between the seat pad and the adhesive material is prevented from occurring. Accordingly, noise caused by a gap that may occur between the seat pad and the adhesive material is prevented, which eliminates discomfort and displeasure due to the noise when a driver is seated in the seat and improves marketability of the ventilation seat.

Abstract: Disclosed is a ventilation mat for vehicles in which at least one exhaust hole configured to be spaced apart from a channel of a ventilation mat of a seat back and communicate with a covering layer is formed through the ventilation mat so as to form an exhaust air circulation structure to uniformly maintain ventilation performance of the seat back regardless of physical characteristics of a passenger seated on a seating part of the seat back. Therefore, through the exhaust air circulation structure, the ventilation mat for vehicles consistently inhales cooling air in a vehicle when the passenger is seated on the ventilation seat, and thus lowers the temperature of the seating part to improve passenger's thermal comfort.

Abstract: A ventilation apparatus for a seat of a vehicle includes: a main duct configured such that a first end thereof is connected to a blower and a second end thereof is coupled to a seat frame so as to allow air to flow therebetween; and a connecting duct configured such that a first end thereof is connected to the second end of the main duct and a second end thereof is connected to a seat pad, and formed in a bellows shape having a variable length so as to allow air to flow between the seat frame and the seat pad even if a spacing distance between the seat frame and the seat pad is changed.

Abstract: The present disclosure provides a system of air-conditioning a seat for a vehicle and a method for controlling the same. The system of air-conditioning a seat for a vehicle includes: a blower disposed below the seat of the vehicle and configured to blow air onto a body contact surface; a first temperature sensor configured to detect a temperature of a front end of a suction hole of the blower; a second temperature sensor configured to detect a temperature of the body contact surface; a third temperature sensor configured to detect a room temperature of the vehicle; and an HVAC control unit configured to control an air-conditioning system of the vehicle. The HVAC control unit determines a blow direction mode of the air-conditioning system of the vehicle based on the temperatures detected by the first, the second, and the third temperature sensors when the blower is actuated.

Abstract: Disclosed herein is a ventilation seat of a vehicle, wherein since an adhesive material includes a through hole corresponding to an air flow path of a seat pad, when the seat pad and the adhesive material are joined to each other, an area disjoined between the seat pad and the adhesive material is prevented from occurring. Accordingly, noise caused by a gap that may occur between the seat pad and the adhesive material is prevented, which eliminates discomfort and displeasure due to the noise when a driver is seated in the seat and improves marketability of the ventilation seat.

Abstract: A seat device operatively connected to an HVAC apparatus is provided. The seat device includes the HVAC apparatus to adjust the indoor air within a vehicle. A seat blower is mounted on a seat to blow indoor air, introduced through an inlet thereof, to a seat cushion and a seat back. A connecting duct allows airflow between the seat blower and the HVAC apparatus and a mesh frame connects a circumferential edge of the inlet of the seat blower with the connecting duct to allow ventilation therethrough.

Abstract: A nanoparticle separating apparatus that can separate nanoparticles from impurities in a nanoparticle dispersion, and a nanoparticle separating method using the same are disclosed. The nanoparticle separating apparatus according to an exemplary embodiment of the present invention includes: a body portion having an inlet hole into which a dispersion flows formed in one side thereof, an outlet hole through which the waste solution from which nanoparticles are separated flows formed in the other side, and a hollow channel formed between the inlet hole o and the outlet hole; a first electrode and a second electrode, each having a porous structure where a plurality of pores are formed, and at least one pair of the first and second electrodes being provided in the channel; and a power supply applying voltages, each having a different polarity, to the first electrode or to the second electrode.

Abstract: A cushion cover for a ventilation seat includes: a first adhesive layer including an upper surface coupled to a lower surface of a cushion part of the ventilation seat, the lower surface of the cushion provided with an air flow channel; a non-permeable layer made of a non-permeable material and including an upper surface coupled to a lower surface of the first adhesive layer to block the air flow channel of the lower surface of the cushion part from outside; and a protective layer coupled to a lower surface of the non-permeable layer to direct friction between the non-permeable layer and a seat structure.

Abstract: Disclosed is an electric-powered headrest comprising: a plate-shaped base which is fixed to the upper portion of a stay rod and has a bent part formed therein, the bent part having opposite ends upwardly bent; a main bracket which has a coupling part formed on the lower end thereof to be coupled to the bent part of the plate-shaped base and pivots back and forth around the coupling part; an operating part arranged in a space part formed in the main bracket; and a lead screw which has one end coupled to the main bracket and the other end coupled to the operating part, and moves back and forth according to an operation of the operating part.

Abstract: The present disclosure provides a system of air-conditioning a seat for a vehicle and a method for controlling the same. The system of air-conditioning a seat for a vehicle includes: a blower disposed below the seat of the vehicle and configured to blow air onto a body contact surface; a first temperature sensor configured to detect a temperature of a front end of a suction hole of the blower; a second temperature sensor configured to detect a temperature of the body contact surface; a third temperature sensor configured to detect a room temperature of the vehicle; and an HVAC control unit configured to control an air-conditioning system of the vehicle. The HVAC control unit determines a blow direction mode of the air-conditioning system of the vehicle based on the temperatures detected by the first, the second, and the third temperature sensors when the blower is actuated.

Abstract: Disclosed is an electric-powered headrest comprising: a plate-shaped base which is fixed to the upper portion of a stay rod and has a bent part formed therein, the bent part having opposite ends upwardly bent; a main bracket which has a coupling part formed on the lower end thereof to be coupled to the bent part of the plate-shaped base and pivots back and forth around the coupling part; an operating part arranged in a space part formed in the main bracket; and a lead screw which has one end coupled to the main bracket and the other end coupled to the operating part, and moves back and forth according to an operation of the operating part.

Abstract: A seat device operatively connected to an HVAC apparatus is provided. The seat device includes the HVAC apparatus to adjust the indoor air within a vehicle. A seat blower is mounted on a seat to blow indoor air, introduced through an inlet thereof, to a seat cushion and a seat back. A connecting duct allows airflow between the seat blower and the HVAC apparatus and a mesh frame connects a circumferential edge of the inlet of the seat blower with the connecting duct to allow ventilation therethrough.

Abstract: The present disclosure provides a locking device for the precise adjustment of the movement position of a vehicle seat rail relative to a fixed rail while not compromising the strength of the seat rail. The locking device includes the seat rail having locking holes, and four locking pins to be inserted in the locking holes. In particular, the locking holes and pins are arranged with predetermined gaps along a longitudinal direction of the seat rail, and a distance between second and third locking pins is different from a distance between first and second locking pins which is the same as a distance between third and fourth locking pins.

Abstract: A nanoparticle separating apparatus that can separate nanoparticles from impurities in a nanoparticle dispersion, and a nanoparticle separating method using the same are disclosed. A nanoparticle separating apparatus according to an exemplary embodiment of the present invention includes: a body portion having an inlet hole into which a dispersion flows formed in one side thereof, an outlet hole through which the waste solution from which nanoparticles are separated flows formed in the other side, and a hollow channel formed between the inlet hole and the outlet hole; a first electrode and a second electrode, each having a porous structure where a plurality of pores are formed, and at least one pair of the first and second electrodes being provided in the channel; and a power supply applying voltages, each having a different polarity, to the first electrode or to the second electrode.

Abstract: The present disclosure provides a locking device for the precise adjustment of the movement position of a vehicle seat rail relative to a fixed rail while not compromising the strength of the seat rail. The locking device includes the seat rail having locking holes, and four locking pins to be inserted in the locking holes. In particular, the locking holes and pins are arranged with predetermined gaps along a longitudinal direction of the seat rail, and a distance between second and third locking pins is different from a distance between first and second locking pins which is the same as a distance between third and fourth locking pins.

Abstract: A method for preparing a polycarbonate resin includes polymerizing an aromatic dihydroxyl compound and a diaryl carbonate to prepare a polycarbonate pre-polymer; injecting and mixing an inert gas with the prepared polycarbonate pre-polymer; and foaming and polymerizing the polycarbonate pre-polymer with which the inert gas is mixed. The method can prevent or reduce yellowing upon melt polymerization of the polycarbonate resin.

Abstract: A method for preparing branched polycarbonate includes: preparing a first raw material by mixing and reacting an aromatic dihydroxy compound, diaryl carbonate, and about 60 ppb (weight) to about 140 ppb (weight) of a catalyst with respect to the amount of aromatic dihydroxy compound; preparing a second raw material by mixing and reacting an aromatic dihydroxy compound, diaryl carbonate, a phosphorus branching agent, and about 350 ppb (weight) to about 450 ppb (weight) of the catalyst with respect to the amount of aromatic dihydroxy compound; and melt-polymerizing about 100 parts by weight of the first raw material and about 1 part by weight to about 20 parts by weight of the second raw material. The branched polycarbonate prepared by the method can exhibit excellent properties in terms of heat resistance, color stability and/or fluidity due to small catalyst amount.