Abstract: Disclosed therein are a heat pump system for a vehicle and a method of controlling the heat pump system, which variably controls only a compressor if the number of revolutions of the compressor is less than the upper limit of the number of the maximum revolutions of the compressor and operates an electric heater only when the number of revolutions of the compressor reaches the upper limit of the number of the maximum revolutions of the compressor in order to satisfy a target discharge temperature in a heat pump mode, thereby preventing that convergence of an air discharge temperature of the interior of the vehicle is deteriorated or becomes unstable when the compressor and the electric heater are variably controlled at the same time in order to satisfy the target discharge temperature.

Abstract: Disclosed herein is a waste heat management system of an electric vehicle. In particular, a pump for controlling the flow of cooling fluid, an OBC cooling fluid line and a motor cooling fluid line which diverge in parallel from an outlet of a cooling fluid line of the fluid pump, and a heater core cooling fluid line and a radiator cooling fluid line which are respectively connected in parallel with a junction of an inlet of the fluid pump cooling fluid line and a junction of outlets of the heater core cooling fluid line and the radiator cooling fluid line, are interconnected to provide both heating and air-conditioning to the interior of the vehicle. Additionally, the present invention, also allows the motor to be preheated when the vehicle is not running.

Abstract: Disclosed is a motor-driven compressor for a vehicle adapted to fix a connector of an electric motor for a vehicle compressor. The compressor for a vehicle includes a rotor configured be rotated by an electromagnetic force generated when a current flow through a coil, a stator having at least one connector fixing slot, and a connector having a body fixed to the connector fixing slot.

Abstract: Disclosed herein is an apparatus and a method for speech recognition. The apparatus includes a controller that is configured to receive a speech signal including a speech recognition waveform from a user and the waveform of speech generated within a vehicle, when a speech recognition operation initiates. The controller is further configured to generate an offset waveform corresponding to a speech output waveform generated from a speech output device within the vehicle, using feature information of the speech output waveform, when the speech recognition operation initiates. Additionally, the controller is configured to extract the speech recognition waveform of the user by removing a predetermined amount or more of the speech output waveform from a speech signal input by overlapping the offset waveform to the speech signal and to perform speech recognition based on the speech recognition waveform.

Abstract: Disclosed is an electric motor-driven compressor having a structure capable of improving the performance of an electric motor of the electric motor-driven compressor for the vehicle. The electric motor-driven compressor has an angle which is formed by two straight lines passing through a center of the rotor and making contact with both end portions of one permanent magnet, and is in a range of about 48.7° to about 51°. The cogging torque and the torque ripples are minimized, the power of the electric motor is improved, and the electric motor is easily controlled.

Abstract: An air conditioner for vehicles having a two layer air flow structure which uses one temperature control door for adjusting the temperature and serving as a partition wall for the two-layer air flow structure.

Abstract: Disclosed therein are a heat pump system for a vehicle and a method of controlling the heat pump system, which determines that frosting begins on an exterior heat exchanger and carries out a defrosting control if a difference value between outdoor temperature and refrigerant temperature of an outlet side of the exterior heat exchanger is above a frosting decision temperature in a heat pump mode, thereby increasing frost-prevention and defrosting effects and enhancing heating performance and stability of the system because the system recognizes the beginning of frosting on the exterior heat exchanger at a proper time so as to carry out the defrosting control.

Abstract: Disclosed therein are a heat pump system for a vehicle and a method of controlling the heat pump system, which variably controls only a compressor if the number of revolutions of the compressor is less than the upper limit of the number of the maximum revolutions of the compressor and operates an electric heater only when the number of revolutions of the compressor reaches the upper limit of the number of the maximum revolutions of the compressor in order to satisfy a target discharge temperature in a heat pump mode, thereby preventing that convergence of an air discharge temperature of the interior of the vehicle is deteriorated or becomes unstable when the compressor and the electric heater are variably controlled at the same time in order to satisfy the target discharge temperature.

Abstract: Disclosed herein is a waste heat management system of an electric vehicle. In particular, a pump for controlling the flow of cooling fluid, an OBC cooling fluid line and a motor cooling fluid line which diverge in parallel from an outlet of a cooling fluid line of the fluid pump, and a heater core cooling fluid line and a radiator cooling fluid line which are respectively connected in parallel with a junction of an inlet of the fluid pump cooling fluid line and a junction of outlets of the heater core cooling fluid line and the radiator cooling fluid line, are interconnected to provide both heating and air-conditioning to the interior of the vehicle. Additionally, the present invention, also allows the motor to be preheated when the vehicle is not running.

Abstract: The present invention relates to an air supply system for a vehicle, which includes a curved diffuser passageway and a volute formed on upper portion of the diffuser passageway to sufficiently secure a length of the diffuser passageway, thereby enhancing a pressure conversion efficiency and reducing a size of the entire system, and which further includes a guide for guiding an air flow toward an input of an impeller, thereby minimizing a loss occurring when air passing through a motor housing flows to the inlet of the impeller, and reducing a weight of an outlet duct.

Abstract: The present invention relates to a blower for vehicles, which includes guide walls formed on a bypass passageway formed between a scroll case and an outer case to send the indoor air and the outdoor air to a lower suction opening of the scroll case, thereby reducing suction noise by guiding a uniform flow of air introduced into the lower suction opening, preventing deformation of the outer case, and preventing a droop of the air filter by supporting a lower portion of an air filter when an intake duct injection-molded in a vertically parted mold is applied thereto.

Abstract: The present invention relates to a rotary switch assembly for an air conditioner in a vehicle, in which detent means is mounted on a holder joined to a front housing to mount a knob on the holder, so that a cable switch assembly for operating a cable to control the air conditioner can be used to various switches in common without regard to existence and nonexistence of a detent structure or positions of the detent structure and the rotary switch assembly can prevent a movement of the knob and effectively transfer a manipulation force of the knob to the cable switch assembly since the detent means is mounted on the holder adjacent to the knob.

Abstract: A pipe connection joint comprising a linear slant portion formed on a pipe joining hole of a flange and a pipe-expanded portion expandably formed on a pipe. The pipe-expanded portion is joined to the pipe joining hole, along the linear slant portion. A pipe connection joint with an inwardly-curved surface portion of the pipe bent by micro R bending technology is also disclosed.

Abstract: Disclosed is a motor-driven compressor for a vehicle adapted to fix a connector of an electric motor for a vehicle compressor. The compressor for a vehicle includes a rotor configured be rotated by an electromagnetic force generated when a current flow through a coil, a stator having at least one connector fixing slot, and a connector having a body fixed to the connector fixing slot.

Abstract: Disclosed is an electric motor-driven compressor having a structure capable of improving the performance of an electric motor of the electric motor-driven compressor for the vehicle. The electric motor-driven compressor has an angle which is formed by two straight lines passing through a center of the rotor and making contact with both end portions of one permanent magnet, and is in a range of about 48.7° to about 51°. The cogging torque and the torque ripples are minimized, the power of the electric motor is improved, and the electric motor is easily controlled.

Abstract: A solar cell system for vehicles and a control method thereof, wherein even when a change of electric power generated from a solar cell is high, the variable voltage devices and the constant voltage devices selectively distribute the electric power according to the electric power without changing voltage. Accordingly, energy efficiency can be improved, the number of components can be reduced without using a voltage converter, and energy conversion loss can be decreased. Further, electric power generated from the solar cell is used for ventilation, air purification, cool and warmth, and convenience devices of a vehicle. Thus, a driver is provided with a controlled environment when riding on the vehicle. Accordingly, the present invention can meet a driver's requirements for the utilization of convenience devices and can provide a comfortable interior environment.

Abstract: A door actuator for an HVAC system of a vehicle includes a driving motor having a worm wheel and accommodated within a casing. An actuating gear has on an outer circumference thereof a worm thread that engages with the worm wheel, with an actuating thread being provided on a surface of the actuating gear. A change gear unit is hinged to the casing and rotatably engages with the actuating thread part. A solenoid unit rotates the change gear unit in a first or second direction. A first driving gear is provided at a predetermined position of the casing to engage with the change gear unit rotating in the first direction. A second driving gear is provided at a predetermined position of the casing to engage with the change gear unit rotating in the second direction.

Abstract: The present invention relates to a center mounting type air conditioner for a vehicle, which can reduce size and noise of a blower, and enhance installation efficiency and reduce an installation space of the air conditioner installed in the vehicle. At least one bypass passageway is formed in a dead space located between the scroll case and the air conditioning case, whereby some of air sucked from the intake duct is bypassed and sucked toward the second wheel of the dual blower wheel, to which the motor is connected.

Abstract: The present invention relates to a compressor, which includes a main refrigerant supply channel for supplying refrigerant by passing through the inside of a driving shaft and an auxiliary refrigerant supply channel for supplying refrigerant by passing through a suction chamber of front and rear housings and a slot of the driving shaft after passing through cylinder blocks in order to supply the refrigerant inhaled into a swash plate chamber to cylinder bores, thereby enhancing performance and lubricating ability of a driving shaft seal area since the refrigerant of the swash plate chamber can be used effectively.

Abstract: The present invention relates to a blower for a vehicle, which has an auxiliary door formed on the upper end portion of a filter cover to open and close an indoor air inlet, thereby improving a heating performance by allowing some of the indoor air to flow therein in an outdoor air inflow mode regardless of a type of an indoor and outdoor air switching door, improving productivity and reducing manufacturing costs.