Provided is a combination valve unit having an improved structure and capable of performing both a pressure relief function for cooling and a pressure relief function for dehumidification. In addition, disclosed is a vehicle heat pump system capable of improving dehumidification performance by actively controlling the refrigerant flow distribution. The combination valve unit serves as a refrigerant throttling means in a vehicle heat pump system, and forms the inlet for a cooling pressure relief unit for performing indoor cooling and the inlet for a dehumidification pressure relief unit for performing indoor dehumidification, respectively.

A movable body comprising a monitoring device configured to monitor a surrounding environment of the movable body through a window member, a heating device configured to heat a portion of the window member within a monitoring area of the monitoring device, an air conditioning device, and a control device, wherein operation modes of the control device include a first mode in which both the heating device and the air conditioning device are driven, and a second mode in which the driving force of the air conditioning device is smaller than that in the first mode, and the control device evaluates the degree of fog on the portion of the window member and determines one of the operation modes based on the result of evaluation.

A method for air conditioning a vehicle seat that is occupied by a person and that comprises at least one seat ventilation system, wherein at least one humidity sensor is arranged in a seat part and/or a backrest part of the vehicle seat as an actual humidity value transmitter for the absolute air humidity within the cushion part of the at least one seat part and/or backrest part so that a target state of comfort for a person seated on the vehicle seat can be accomplished via a control and regulating device through engagement of the seat ventilation system, wherein the target state of comfort can be controlled to a specifiable target humidity limit value through variation of the air flow of the seat ventilation system as a function of at least one control algorithm that evaluates the detected actual measured humidity value.

According to the present disclosure, a drunk driving prevention system including: an alcohol detection unit configured to detect a driver's inebriation through the breath test device provided in a vehicle; a computation unit configured, when the driver is detected to be in a drunk state by the alcohol detection unit, to compute a driving-possible time at which the drunk state is resolved in the future so that driving is possible; and a notification unit configured to output the driving-possible time or whether or not driving is possible through an infotainment system of the vehicle or a driver's terminal is disclosed.

A temperature control system of a vehicle of delivering goods includes a first loading compartment located in the vehicle, a second loading compartment located separately from the first loading compartment, a temperature regulation unit connected in fluid communication with the first loading compartment and the second loading compartment such that a fluid may flow therebetween, a first air discharge door located in the first loading compartment, a second air discharge door located in the second loading compartment, and a controller configured to control operation of the temperature regulation unit in response to setting of temperatures of the first loading compartment and the second loading compartment, and to control opening and closing of the first air discharge door and the second air discharge door.

A climate control method for a vehicle including the steps of determining a moisture level of an occupant of the vehicle; and adjusting a climate control system of the vehicle depending on the moisture level of the occupant.

An air-conditioning control system includes an air-conditioning device mounted in a host vehicle, a determination unit mounted in the host vehicle or a server and configured to determine whether a boarding position at which a boarding event in which an occupant boards the host vehicle occurs is a point with a predetermined attribute, and a control unit mounted in the host vehicle and configured to control the air-conditioning device based on a determination result from the determination unit. The control unit sets a ventilation capacity of the air-conditioning device to be greater when the determination unit determines that the boarding position is a point with the predetermined attribute than when the determination unit does not determine that the boarding position is a point with the predetermined attribute.

Disclosed embodiments include airflow systems, vehicles, and controllers of airflow units. An illustrative airflow system of a vehicle includes an airflow inlet duct, an airflow intake duct, an air intake door, and an airflow unit. The airflow inlet duct is adapted to draw ambient air. The airflow intake duct is adapted to receive airflow from the airflow inlet duct. The air intake door is positioned therebetween. The airflow unit includes a controller configured to close the air intake door and seal off the air intake duct from the airflow inlet duct in response to receipt of at least one signal indicating at least one condition chosen from 1) a presence of water in the airflow inlet duct, 2) a hood of the vehicle being in an open condition, 3) a presence of rain received from a precipitation sensor, and 4) activation of a predetermined speed setting of a windshield wiper.

An air conditioner system for electric motor vehicles reduces the thermal load on the air conditioner system during air conditioning using a desiccant-coated heat exchanger and improves energy efficiency thereof using waste heat obtained while cooling electric devices during regeneration of a desiccant-coated heat exchanger.

A system and method for robust automatic control of an air-conditioning system in a vehicle includes at least one sensor configured to continuously capture technical driving parameters of the vehicle. The system has a computing unit configured to determine a current air quality from the captured technical driving parameters by way of a suitable algorithm. The system has a control unit configured to control the air-conditioning system in the vehicle, wherein the control of the air-conditioning system includes activating the recirculation circuit of the air-conditioning system and/or activating the fresh-air circuit of the air-conditioning system with reference to the determined air quality.