A heat pump for a vehicle is provided in which the heat pump includes a compressor, an inner heat exchanger, an outer heat exchanger, a first expansion unit, a second expansion unit, an evaporator, an accumulator, a third heat exchanger, a first directional control valve, a second directional control valve, and a dehumidification line, and performs cooling, heating, defrosting, and dehumidifying operations according to the flow of a refrigerant.

A system according to the present disclosure includes a start-stop module, a bypass valve control module, and a flapper valve control module. The start-stop module is configured to stop an engine of a vehicle independent of an ignition system of the vehicle. The bypass valve control module is configured to adjust a bypass valve to a bypass position to prevent engine coolant from flowing from the engine to a heater core of the vehicle when the engine is stopped independent of the ignition system. The flapper valve control module is configured to control a flapper valve to adjust an amount of airflow from an evaporator of the vehicle to a cabin of the vehicle through the heater core.

The disclosed embodiments include a vehicular ventilation module having control circuitry, a return air duct, a fresh air duct, a heat exchanger, and a door joining an upstream portion of the return air duct upstream of the heat exchanger and an upstream portion of the fresh air duct upstream of the heat exchanger. The fresh air duct has an air inlet and an air outlet downstream of the air inlet. The heat exchanger is thermally coupled to the return air duct upstream of the return air outlet and to the fresh air duct downstream of the return air inlet. The door selectively opens to enable air to pass between the fresh air duct and the return air duct. The control circuitry is configured to operate in a first mode of operation, including having the door open. The return air outlet is configured to provide air to the HVAC system.

An air purification device includes: a carbon dioxide removal device configured to sorb and remove carbon dioxide contained in air; an air supply duct connected to a first outlet of the carbon dioxide removal device and having a blowing opening 17a for flowing out purified air from which carbon dioxide has been removed by the carbon dioxide removal device 12 into a vehicle cabin; and an exhaust duct connected to a second outlet of the carbon dioxide removal device and having an exhaust opening 18a for discharging the carbon dioxide sorbed by the carbon dioxide removal device to outside of the vehicle cabin 3, wherein the air supply duct is mounted to a front seat of the vehicle so as to be movable vertically with the blowing opening facing forward.

An air-conditioning arrangement for an interior of a vehicle, with an air-conditioning unit, for providing air-conditioned interior air, and a cooling assembly, which is arranged in the interior. The cooling assembly has a refrigeration circuit, which, for removing heat from a refrigerant of the refrigeration circuit, has a heat exchanger, which is exposed to the interior air. The heat exchanger is spatially divided into a hot-gas section and a low-temperature section. The interior air that is taken in for the heat removal by the heat exchanger is divided into an outgoing-air component and a recirculating-air component. The low-temperature section of the exchanger is exposed to the recirculating-air component of the interior air and the hot-gas section of the heat exchanger is exposed to the outgoing-air component of the interior air.

An air-conditioning system of a motor vehicle having refrigerant circulation and coolant circulation. Refrigerant circulation comprises a compressor, a refrigerant-coolant heat exchanger operable as condenser/gas cooler for heat transfer between the refrigerant and the coolant, a first expansion element and a first refrigerant-air heat exchanger for conditioning the inflowing air for the passenger compartment. Coolant circulation is developed with a conveying device, a first coolant-air heat exchanger for heating the inflowing air for the passenger compartment, a second coolant-air heat exchanger and the refrigerant-coolant heat exchanger. Refrigerant circulation also includes a second refrigerant-air heat exchanger, operable exclusively as evaporator. Upstream of the second refrigerant-air heat exchanger in the direction of flow of the refrigerant, a second expansion element is disposed. The second expansion element and the second refrigerant-air heat exchanger are disposed within a first flow path. A method for operating the air-conditioning system.

A system according to the present disclosure includes a start-stop module, a bypass valve control module, and a flapper valve control module. The start-stop module is configured to stop an engine of a vehicle independent of an ignition system of the vehicle. The bypass valve control module is configured to adjust a bypass valve to a bypass position to prevent engine coolant from flowing from the engine to a heater core of the vehicle when the engine is stopped independent of the ignition system. The flapper valve control module is configured to control a flapper valve to adjust an amount of airflow from an evaporator of the vehicle to a cabin of the vehicle through the heater core.

A climate control system that includes a sensor configured to collect sensor signals from an interior of an enclosure and a climate control module configured to determine, based on the sensor signals, whether an air quality parameter is above or below an air quality threshold. When the air quality parameter is below the air quality threshold, the climate control system is configured to draw air from an exterior of the enclosure through a first filter and into the interior of the enclosure and draw the air from the interior of the enclosure through a second filter and return the air to the interior of the enclosure.

The present invention provides a vehicle air conditioning system and a vehicle air conditioning method that increase heating performance while recovering exhaust heat from onboard equipment. The vehicle air conditioning system comprises: a refrigerant circuit; a heat medium circuit including a high-temperature medium circuit and a low-temperature medium circuit; an interior heat exchanger that exchanges heat between a heat medium and air; an exterior heat exchanger that exchanges heat between the heat medium and outside air; an exhaust heat recovery circuit; and a switching part. The following are provided as operating modes; an exhaust heat-recovery heating mode in which the heat medium in the high-temperature medium circuit is supplied to the interior heat exchanger and exhaust heat from onboard equipment is recovered by the heat medium in the low-temperature medium circuit, while the heat medium that has recovered and transferred exhaust heat to the refrigerant is supplied to the exterior heat exchanger; and an exhaust-heat-as-main-heat-source heating mode in which the heat medium in the high-temperature medium circuit is supplied to the interior heat exchanger and exhaust heat from onboard equipment is recovered by the heat medium in the low-temperature medium circuit, while the heat medium that has recovered and transferred exhaust heat to the refrigerant is caused to bypasses the exterior heat exchanger.

A temperature conditioning module 6 having an integrated waste heat cooling circuit, comprising; a housing 10 having at least one air inlet 12 and a first 16 and second 20 spaced apart air outlets, one or more motor driven impellers 40A, 40B, one or more fluid recirculation pumps 52: one or more thermoelectric devices 80 that is located in the first passage 14 of the housing between the one or more motor driven impellers and the first air outlet 16, one or more heat exchangers 54 that is located in the second passage 18 of the housing, between the at least one motor driven impeller and the second air outlet 20; and a fluid circulation circuit 50 that is contained entirely within the housing, and passing fluid in thermal communication with the waste side of the one or more thermoelectric devices 80 to thereby absorb at least a portion of the waste heat and then to expel it to the heat exchanger 54.