Abstract: The subject matter described in this specification is directed to systems and methods for dissipating heat from electronic components supporting autonomous vehicle systems. In particular, the specification describes how the electronic components can be positioned in a duct through which conditioned cabin air can be drawn to convectively dissipate heat from the electronic components.

Abstract: A health protection system and a method for passengers on a train in a polluted indoor environment are provided. The health protection system includes a basic data acquisition module, an outdoor air quality prediction module, an indoor air quality prediction module, and a ventilation strategy generation module, wherein the basic data acquisition module acquires basic data; the outdoor air quality prediction module predicts outdoor air quality of the train; the indoor air quality prediction module predicts indoor air quality of the train; and the ventilation strategy generation module generates a ventilation strategy and achieves health protection of the passengers on the train. The method includes: predicting indoor and outdoor air quality data information of the train according to the acquired indoor and outdoor air quality data of the train; and generating a corresponding ventilation strategy according to the indoor and outdoor air quality data of the train.

Abstract: A vehicle system includes: a heating, ventilation, and air conditioning (HVAC) system including: a passenger cabin air filter; and a blower configured to draw air through the passenger cabin air filter and blow air into a passenger cabin of a vehicle; an olfaction sensor configured to measure an amount of a chemical in air in a duct of the HVAC system downstream of the passenger cabin air filter; and a filter module configured to determine and indicate whether to replace the passenger cabin air filter based on the amount of the chemical in the air measured by the olfaction sensor.

Abstract: An air conditioning device mounted on a vehicle in which a cabin on which an occupant boards is open to an outside of the vehicle includes: a front air blowing port provided further forward than a boarding position on which the occupant boards in a front-rear direction of the vehicle to blow temperature-adjusted air toward the boarding position; a rear air blowing port provided further rearward than the boarding position in the front-rear direction of the vehicle to blow temperature-adjusted air toward the boarding position; and a control unit for controlling the air conditioning device. The control unit performs control to blow the air from the front air blowing port when the vehicle travels forward, and performs control to blow the air from the rear air blowing port when the vehicle travels rearward.

Abstract: A vehicle characterizes a sunload on the vehicle using an imaging system including at least one camera capturing image data (e.g., without using an ambient light sensor). The image data includes at least a portion of a passenger cabin. A region of interest (ROI) overlay receives the image data and extracts selected image data according to predetermined scene elements of the vehicle environment. An occupant overlay is configured to detect a vehicle occupant represented in the selected image data and configured to generate truncated image data by subtracting image data corresponding to the vehicle occupant from the selected image data. An ambient light model uses environmental parameters including a sun position to estimate an expected sunload range. A mapper generates a sunload map comprising respective sunload values for a plurality of locations on the vehicle according to the truncated image data and the expected sunload range.

Abstract: A method for preventing and handling in-car air pollution includes providing an out-car gas detector to detect a polluted gas outside a car and transmit an out-car gas detection data; providing an in-car gas detector to detect a polluted gas in an interior space of the car and transmit an in-car gas detection data; providing an in-car gas exchange system for controlling and determining whether to introduce a gas outside the car into the interior space, where the in-car gas exchange system includes a cleaning unit for filtering and purifying the polluted gas in the interior space and a control driving unit for receiving and comparing the out-car gas detection data with the in-car gas detection data; and filtering and exchanging the polluted gas in the interior space after the control driving unit compares the out-car gas detection data with the in-car gas detection data.

Abstract: A controller (100) for a vehicle (1), the vehicle comprising: a powertrain (1P) comprising an electric machine (50) for providing motive power; cooling means (60, 80); and electrical energy storage means (70) for powering the electric machine (50), wherein the cooling means (60, 80) is configured to cool the electrical energy storage means (70) and a cabin (1C) of the vehicle and the vehicle (1) is configured to operate in a first or second driving mode, the controller (100) comprising: an input for receiving information indicative of a temperature of the energy storage means (70); and a processor arranged to generate a control signal in dependence on the information indicative of temperature of the energy storage means (70) and information indicative of the selected driving mode of the vehicle, wherein: if the vehicle is in the first driving mode the processor is configured to generate the control signal to limit or reduce an amount of power consumed by the powertrain (1P) in dependence on the information

Abstract: An indoor air purification system installed in a heating, ventilation and cooling (HVAC) system of a residential or commercial building. The air purification system includes an indoor air quality (IAQ) monitor mounted in a return duct of the HVAC system to detect various undesirable gases, as well as climatic conditions, and controls a bi-polar ionization unit to help alleviate undesirable air quality issues that can be considered health risks at excessive levels. The IAQ monitor communicates electronically with the ionization unit and with a building HVAC automation system via wireless and/or wired electronic communication networks. The building HVAC automation system can utilize data from the IAQ monitor to control some HVAC functions to optimize HVAC efficiency.

Abstract: A method and system for utilizing environmental data are described. The method includes receiving external environmental data and receiving in-cabin environmental data. A mitigation action for an in-cabin environment of a vehicle is provided. The mitigation action is based on the external environmental data and the in-cabin environmental data.

Abstract: A method determines air quality in a passenger compartment (4) of a motor vehicle (2) based on measured data representative of outside air quality and an evaluation model for extrapolating interior air quality. Measured data (MD) is collected by at least one sensor (6) arranged outside the passenger compartment. The measured data is evaluated using a model (12) for the air quality in the passenger compartment (4) in order to determine output data (AD) indicative of the air quality in the passenger compartment (4). Then the output data is output to the occupants of the passenger compartment.

Abstract: A motor vehicle includes a precipitation sensor detecting weather-related precipitation. An actuator moves a movable overhead covering between a covered position and an uncovered position. An electronic processor is communicatively coupled to the precipitation sensor and to the actuator. The electronic processor responds to the precipitation sensor detecting weather-related precipitation by automatically causing the actuator to move the movable overhead covering from the uncovered position to the covered position.

Abstract: An in-vehicle camera device is configured to be attached to the inside of a vehicle including a windshield. The in-vehicle camera device includes a camera, a housing, and a defogging sensor. The camera is configured to acquire an image of an area ahead of the vehicle through the windshield. The housing houses the camera and is to be disposed on an upper portion of the windshield. The defogging sensor is disposed below the field of view of the camera in the housing and is configured to detect fogging of the windshield.

Abstract: A vehicle system includes: an olfaction sensor comprising: a blower configured to draw air through an inlet; a filter configured to filter particulate from the air; and a volatile organic compounds (VOC) sensor disposed downstream of the filter and configured to measure an amount of VOCs in air after the air flows through the filter; and a control module configured to selectively take one or more remedial actions based on the amount of VOCs.

Abstract: Disclosed herein are system, method, and computer program product embodiments for detecting, alerting, and acting to prevent unattended vehicle deaths. An embodiment operates by receiving one or more signals from one or more presence sensors in a vehicle and analyzing the signals to detect the presence of a person or animal inside the vehicle. The system further receives one or more signals from one or more environment sensors on the vehicle and analyzes the signals to detect a dangerous environmental condition. If the system determines that both the presence of a person or animal has been detected inside the vehicle and a dangerous environmental condition has been detected, it activates one or more vehicle systems that mitigate the dangerous environmental condition and sends an alert to one or more predetermined recipients.

Abstract: A vehicle ventilation control system includes: a reception unit that receives an instruction signal input by a user via wireless communication; and a control unit that controls ventilation inside a vehicle based on the instruction signal, in which the control unit performs ventilation control to control the ventilation based on the instruction signal input during a period after the user gets out of the vehicle to next boarding.

Abstract: Provided is a control unit and a system for monitoring in real-time and/or controlling the air quality of a vehicle cabin. Upon receiving input data from various sensors in the cabin of the vehicle, the control unit processes the data and outputs a unified processed/calculated data of all the sensed data from sensors in the cabin that is indicative of the general air quality in the cabin. In addition, the control unit may output instructions of operations that need to be carried out for optimal circulation of the air that results in improvement of the air quality within the cabin. These instructions of operations may be also affected from data that is received by the control unit that is indicative of the air quality in the surrounding of the vehicle.

Abstract: A control system includes a manual-type air conditioner, and a control device which causes the manual-type air conditioner to execute remote air conditioning in response to a command from outside of a vehicle. The control device starts actuation of the manual-type air conditioner with a maximum temperature as a target blowout temperature of an air-conditioning air and a maximum air quantity as a target air quantity in response to a trigger command of the remote air conditioning, and gradually changes and reduces the target air quantity while gradually changing the target blowout temperature toward a target intermediate temperature with elapse of time. The control device changes the target blowout temperature and the target air quantity respectively to a set blowout temperature and a set air quantity at a time of previous disembarkment, when boarding of a user to the vehicle is detected.

Abstract: An adaptive air conditioning system, a method for the system, and a carrier equipped with the system are disclosed. The carrier includes at least one adaptive air conditioning system. The carrier has a body, which includes at least one cabin defining a compartment for accommodating transported objects, such as passengers or cargos. The adaptive air conditioning system includes data collecting apparatus, temperature control apparatus, and a microcontroller. The temperature control apparatus includes a liquid circulation unit, an air circulation unit, and a control switch. With the adaptive air conditioning system, the air and internal installation in the compartment can be controlled at a predetermined temperature more promptly, efficiently, uniformly, and flexibly, thus increasing comfort level for the passengers or meeting the temperature requirements for the cargos.

Abstract: The present invention relates to an air conditioner for a vehicle, which can send air-conditioned air toward a rear seat of the vehicle in order to perform air-conditioning of a front seat of the vehicle and air-conditioning of a rear seat. The air conditioner includes an air passageway formed in an air-conditioning case, wherein the air passageway includes: a rear seat cold air passageway which is a passageway that the air passed through the heat exchanger for cooling bypasses the heat exchanger for heating and flows toward a rear seat of the vehicle; and a warm air passageway which is a passageway that the air passed through the heat exchanger for cooling passes through the heat exchanger for heating and flows toward a front seat or the rear seat of the vehicle.

Abstract: An air-conditioning apparatus for a vehicle and a control method of the same are provided which may inhibit a closing degree of a door from being insufficient even when the door is closed while a blower fan is actuated. An air-conditioning apparatus for a vehicle includes an inside-outside air switching damper including a damper switching actuator, a blower fan, a control unit, and door opening-and-closing sensors. In a case where the door becomes an open state and a case where the blower fan is actuated and the inside-outside air switching damper is in an outside air introduction mode, the control unit issues a command to the damper switching actuator to switch the inside-outside air switching damper to an inside air circulation mode.

Abstract: Methods and systems may provide for technology to initiate an injection of ozone for a predetermined cycle time into a cabin of a vehicle via a heating ventilation and air conditioning (HVAC) subsystem of the vehicle only when the vehicle is in a locked state and a window-closed state, the vehicle cabin is vacant, and the vehicle is in park. The technology may also cease the injection of the ozone into the cabin in response to an override request detected before expiration of the predetermined cycle time and maintains the vehicle in the locked state for a predetermined wait time after the injection of the ozone into the cabin is ceased.

Abstract: Disclosed is a vehicle air conditioning control method which operates a vehicle air conditioning control apparatus by executing an artificial intelligence (AI) algorithm and/or a machine learning algorithm in a 5G environment connected for Internet of Things. The vehicle air conditioning control method includes acquiring a thermal image in a vehicle using an image sensor, acquiring thermal comfort information of each passenger in the vehicle using the thermal image, and controlling air conditioning of the vehicle based on the thermal comfort information of each passenger.

Abstract: A motor vehicle air-conditioning line valve arrangement includes a line valve having an air-conditioning line body which is of substantially closed design in a transverse plane, and a fiber nonwoven arranged on an inside in the air-conditioning line body and having a nonwoven mat to which a large number of nonwoven fibers are fixed. The nonwoven fibers are fixed to the nonwoven mat at one end and configured to be electrostatically charged by the nonwoven mat. An electrical charge generator is electrically connected to the nonwoven mat and configured to electrostatically charge the fiber nonwoven, so that the electrostatically charged nonwoven fibers straighten toward a center of the air-conditioning line body in such a way that they close an open flow cross section of the air-conditioning line body.

Abstract: An air-conditioning apparatus for a vehicle and a control method of the same are provided to inhibit a closing degree of a door in closing the door from being insufficient, secure high quietness in a vehicle cabin immediately after the door is closed, and lower energy consumption of the vehicle. An air-conditioning apparatus for a vehicle includes an inside-outside air switching damper including a damper switching actuator, an air-conditioning control switch, a control unit, and door opening-and-closing sensors. The control unit includes two timers and a memory. When an IG switch is in an OFF state, the control unit sets the inside-outside air switching damper to an intermediate mode when the door becomes an open state, thereafter sequentially starts the timers when the door becomes a closed state, and returns the inside-outside air switching damper to a previous state to opening of the door after waiting until the timers expire.

Abstract: A charging-discharging device for secondary battery and a secondary battery activation process device are provided. The charging-discharging device of the present invention includes a box-type body including two open parts formed at lateral surfaces thereof; charging-discharging terminals disposed on lateral surfaces of the body; a nonflammable blocking means for opening or closing the open parts at the lateral surfaces; an air conditioning line connected to the inside of the body to individually control the temperature of each charging-discharging device; and/or a CO 2 supply line for spraying carbon dioxide inside the body when a fire occurs. It is possible to uniformly control and manage the internal temperature of the charging-discharging device for performing an activation process of a secondary battery, and when a fire occurs, the fire can be immediately and efficiently extinguished and prevented from spreading to the outside.

Abstract: An air-conditioning control ECU is an air-conditioning control apparatus mounted in an automated driving vehicle, and includes an occupant determining section that determines whether an occupant is in the automated driving vehicle, and a window operation controlling section that executes a window operation air-conditioning control for performing cabin air-conditioning when a determination result of the occupant determining section indicates the automated driving vehicle is in an unmanned traveling state.

Abstract: Disclosed is an apparatus for measuring air quality, the apparatus comprises a first sensor circuit; a second sensor circuit; a third sensor circuit; a communication circuit configured to communicate with an external server; a display; a processor; and a memory, wherein the memory stores instructions that, when executed, cause the processor to: detect air quality related information by using the first sensor circuit, obtain at least one of movement information detected by using the second sensor circuit or adjacent environment information detected by using the third sensor circuit while the air quality related information is detected, determine validity of the air quality related information from using the first sensor circuit based on the adjacent environment information or the movement information, display the air quality related information from using the first sensor circuit or air quality related information received from the external server based on the determined validity.

Abstract: A notification device includes a notification line for notifying a vehicle control device that a door is closed, a first door lock switch that electrically connects the notification line when the door is closed and disconnects the notification line when the door is opened, and an interruption unit that interrupts a signal transmitted through the notification line when an abnormality of the first door lock switch is detected.

Abstract: The present disclosure provides a photosensor structure including a left photosensor located at the left side of a front windshield of a vehicle viewed from the outside of the vehicle, and a right photosensor located symmetrically to the left photosensor. For example, the left photosensor includes two light reception windows located in a width direction of the vehicle to set a lateral incidence angle having a maximum incidence amount in a left-and-right direction of a light source, a dummy portion located on at least one of the two light reception windows between the two light reception windows to set an incidence altitude having a maximum incidence amount in an upward-and-downward direction of the light source, and light reception units located on lower ends of the light reception windows to measure the amount of light received from the light source through the light reception windows.

Abstract: An apparatus and a method for controlling a vehicle, which control a route of the vehicle or an air circulation mode of the vehicle based on an outdoor air condition of an autonomous driving vehicle and control an indoor air cleaner of the vehicle based on an indoor air condition. In some implementations, an apparatus for controlling a vehicle includes an outdoor measurement sensor attached to an exterior of the vehicle and measuring an external fine dust concentration, a communicator receiving, from an environment server, a local fine dust concentration corresponding to a position of the vehicle, and when a difference between the measured external fine dust concentration and the received local fine dust concentration exceeds a set allowance, a controller checking whether an object generating fine dust exists outside the vehicle and allowing the vehicle to travel while avoiding the object when it is confirmed that the object exists.

Abstract: A measuring arrangement for determining at least one parameter of a fluid medium flowing through a fluid flow duct. The measuring arrangement includes a probe device designed to be arranged in the flowing medium as a hollow body having an incident flow side closing the cavity of the hollow body, an open discharge flow side, an outer contour, which generates a flow separation on the discharge flow side, for generating a backflow, and a partition wall dividing the cavity into a fluid inflow chamber and a fluid outflow chamber, wherein the fluid inflow chamber includes an inlet opening and the fluid outflow chamber includes an outlet opening.

Abstract: An environmental control system of an aircraft includes a compressing device including a compressor and a turbine configured to receive a flow of first medium sequentially. The compressing device additionally includes a second turbine configured to receive a flow of second medium distinct from the first medium. A dehumidification system is arranged in fluid communication with the turbine and a bypass valve is configured to divert the flow of the first medium output from the compressor around the turbine.

Abstract: Disclosed are a compressor control system and an air conditioner for wide-range temperature adjustment. The control system includes a power supply, a compressor, a main board, and a first temperature sensor. The power supply is configured to generate a power input voltage. A power voltage input circuit is disposed between the compressor and the power supply. The main board is electrically connected to the power voltage input circuit. During operation, the main board is configured to control connection and disconnection of the power voltage input circuit. The first temperature sensor is configured to detect an indoor temperature, the first temperature sensor is electrically connected to the main board and transmits an electrical signal to the main board, and the first temperature sensor is electrically connected to a first fixed-value resistor.

Abstract: For air-conditioning within a vehicle interior of a motor vehicle, an air vent is provided with at least one air-directing device located in the region of an air outlet opening. The air vent is configured to allow air flowing out of the air outlet opening to flow, by way of the Coanda effect, in a directed manner along a surface which is adjacent to the air outlet opening. The air-directing device and the adjacent surface are inclined in relation to each other by an angle of inclination which is between 23° and 27°, and the directed air has a volumetric flow of between 30 m3/h and 700 m3/h.

Abstract: A conditioning system for a vehicle passenger seat and a vehicle passenger seat assembly, the system including at least one conditioning unit including a Venturi device configured to generate air flow relative to a seat element and a temperature element configured to heat or cool the Venturi device or the air flow, a temperature sensor configured to sense a temperature in relation to the at least one conditioning unit, and a controller communicatively coupled to the temperature sensor and operably coupled to the at least one conditioning unit. The controller is configured to operate in a first operating condition in which the Venturi device is activated and the temperature element is inactive to ventilate the seat, and a second operating condition in which both the Venturi device and the temperature element are activated to heat or cool the seat.

Abstract: A moving body having a fuel cell includes: an off-gas passage; a vehicle body having a cabin; an opening and closing body including at least one of a door and a window; an opening and closing situation recognition portion configured to recognize an opening and closing situation of the opening and closing body; a stopped state detection portion configured to detect that the moving body moves at a predetermined speed or lower; and a controller configured to, in a case where the moving body moves at the predetermined speed or lower and there is a demand for electric power generation by the fuel cell, when the opening and closing situation recognition portion recognizes a situation in which the opening and closing body is in an open state, execute an intrusion suppression process to make it difficult for a mist discharged from the off-gas passage to enter the cabin.

Abstract: An air conditioner includes a housing, a heat exchanger arranged to exchange heat with air flowing into the housing, a blower fan arranged inside the housing for discharging air that has exchanged heat with the heat exchanger to the outside and a discharging plate having an opening formed to discharge air blown from the blower fan out of the housing, and a plurality of discharging holes formed to discharge air to surroundings of the opening, wherein the discharging plate is arranged to discharge the air that has exchanged heat by the heat exchanger out of the housing, and wherein the discharging plate is made of metal. By such configuration, air conditioner increase user satisfaction.

Abstract: An air conditioner includes a housing comprising an external panel defining an external appearance and having an opening formed at the external panel; a heat exchanger configured to exchange heat with air flowing into the housing; and an air discharge unit configured to discharge air heat-exchanged by the heat exchanger out of the housing. The air discharge unit includes a first discharge unit connected to the opening and discharging air; and a second discharge unit provided at the external panel and discharging air. A method of blowing heat-exchanged air may be changed in accordance with an environment of a user.

Abstract: A blower unit of an air conditioner for a vehicle which allows one actuator to drive two doors in a structure in which at least two doors are provided in an intake duct is disclosed. The blower unit of an air conditioner for a vehicle includes an intake duct including an internal air inlet through which internal air is introduced and an external air inlet through which external air is introduced, a first door configured to adjust an opening amount of a part of the external air inlet and an opening amount of the internal air inlet, and a second door configured to adjust an opening amount of the remaining part of the external air inlet, wherein the first door and the second door are linked and driven together.

Abstract: A conditioning system for a vehicle passenger seat and a vehicle passenger seat assembly, the system including at least one conditioning unit including a Venturi device configured to generate air flow relative to a seat element and a temperature element configured to heat or cool the Venturi device or the air flow, a temperature sensor configured to sense a temperature in relation to the at least one conditioning unit, and a controller communicatively coupled to the temperature sensor and operably coupled to the at least one conditioning unit. The controller is configured to operate in a first operating condition in which the Venturi device is activated and the temperature element is inactive to ventilate the seat, and a second operating condition in which both the Venturi device and the temperature element are activated to heat or cool the seat.

Abstract: A ventilated seat assembly such as an aircraft passenger seat including a cushion assembly supported by a structural element, a plurality of Venturi tubes positioned to direct a flow of air through the cushion assembly, an air compressor supplying compressed air, a manifold assembly coupled in fluid communication with the air compressor, a conduit network fluidly coupling the manifold assembly with the plurality of Venturi tubes, and a controller for activating the air compressor and actuating the manifold assembly. Supplying a small volume of pressurized air to the Venturi tubes induces a larger flow of ambient air and a multiplied air effect to ventilate the passenger seat.

Abstract: A climate control system for conditioning air of a motor vehicle passenger compartment and a method for operating same includes a climate control unit with a housing with a first flow channel and a second flow channel for conducting air, a refrigerant circulation and first and second coolant circulation. Refrigerant circulation is implemented with refrigerant-air heat exchanger operable as evaporator independently of operating mode Refrigerant-air heat exchanger is disposed within housing of the climate control unit. First refrigerant-coolant heat exchanger operates as condenser/gas cooler independently of operating mode. Second refrigerant-coolant heat exchanger operates as evaporator independently of the operating mode are disposed outside of housing of climate control unit. First coolant circulation comprises second refrigerant-coolant heat exchanger and heat exchangers for conditioning components of power train and a battery heat exchanger.

Abstract: The present invention relates to a method for controlling an air conditioner for a vehicle, which includes a blower having a structure divided into a plurality of inlets and a plurality of outlets. The method may include: detecting or predicting, by a controller, one or more of an inside temperature of the vehicle, an outside temperature, a temperature of an engine serving as a heating source, an indoor humidity of the vehicle, CO2 concentration and rear seat passenger information; and comprehensively determining, by the controller, an outdoor state of the vehicle, an indoor state of the vehicle and a user's intention based on the detected or predicted information and a blower setting mode, and controlling an inlet door of the air conditioner according to one of a plurality of designated steps.

Abstract: A system and method of selecting air intake between 100% fresh air mode and 100% recirculated air mode for optimum heating/cooling performance, fuel economy and/or high voltage (HV) battery power consumption is disclosed. The system and method includes a partial recirculation control strategy in which the air inlet door is moved progressively to any position by taking into account cooling/heating loads and cabin fogging probability. As cooling/heating loads increase the air inlet door moves toward 100% recirculation mode. As fogging probability increases the air inlet door moves toward 100% fresh air mode. By selectively choosing a position between 100% recirculation and 100% fresh air, fuel economy and/or HV battery power consumption is optimized without compromising passenger comfort or causing fogging on interior glass surfaces. In cooling applications the compressor load is minimized and air conditioning performance is improved due to the reduced evaporator cooling load.

Abstract: An optical device includes an optical unit that is disposed with a closed space interposed between the optical unit and a windshield glass and is configured to acquire information of an outside of a vehicle cabin through the windshield glass, a heating unit that heats the closed space, an opening and closing unit that is disposed in an air flow path between the closed space and a vehicle cabin internal space and controls communication of air between the closed space and the vehicle cabin internal space, and a controller that controls an open and closed state of the opening and closing unit based on either an outside air temperature of a vehicle or a difference in humidity acquired by subtracting a humidity of the vehicle cabin internal space from a humidity of the closed space.

Abstract: A method of controlling a climate control system. The method may include positioning a valve to block airflow from a desiccant to a port, permit airflow from the port to a blower, and circulate air through the desiccant and then through a trim component. The valve may be disposed between the port and the blower. The desiccant may be disposed between the blower and the valve.

Abstract: A vehicle cabin air filtration system has an electronic air filter which removes unwanted air particles from air prior to or after entry into a vehicle cabin. The vehicle cabin air filtration system also has a sensor configured to generate a signal indicative of a parameter and a controller operatively connected to the electronic air filter and the sensor. The controller receives the signal indicative of the parameter from the sensor, compares the parameter to a stored condition, and selectively activates or deactivates the electronic air filter based on the comparison.

Abstract: A vehicle air conditioning system includes an air handler and a controller. The air handler defines a fresh air inlet, air outlets that directs air into a passenger compartment and a recirculation inlet that draws air from the passenger compartment into the air handler. The air handler operates in a fresh air mode and a recirculation mode. In the fresh air mode fresh air enters the air handler through the fresh air inlet and in the recirculation mode fresh air is prevented from entering the air handler, and instead air enters the air handler via the recirculation inlet. The controller switches the air handler to operate in the recirculation mode in response to determining the following: a diesel engine is operating in a regeneration mode and the air handler is in the fresh air mode.

Abstract: An HVAC unit is provided for treating air in a passenger cabin of a vehicle. An HVAC housing has a recirculation entry section, a fresh entry section, a blower section, and an output section. A blower is mounted to the blower section for driving an airflow from the HVAC housing out through the output section into the passenger cabin. A recirculation opening is provided proximate the recirculation entry section for providing at least a base recirculation flow from the passenger cabin into the HVAC housing whenever the blower drives the airflow. A climate sensor is fluidically coupled within the base recirculation flow for sensing a climate characteristic representative of the air in the passenger cabin.

Abstract: To provide a shutter grille device that can reduce the number of opening and closing operations and extend product life. A shutter grille device includes: a shutter grille provided in an air intake for guiding air into a power station in which a power source of a vehicle is provided; and a controller that controls opening and closing of the shutter grille. The controller disables closing of the shutter grille during a first interval after opening of the shutter grille, and has a second interval before enabling opening of the shutter grille after closing; and the first interval is set longer than the second interval.