A vehicle heat management system includes a refrigerant circuit including a refrigerant-heat medium heat exchanger, and a heat medium circuit. Two or more of at least three heat exchangers are selected, and one of them functions as a condenser, and the other functions as an evaporator. The refrigerant-heat medium heat exchanger includes a first and a second refrigerant-heat medium heat exchanger. The heat medium circuit includes a switch device configured to be able to switch between a circuit state in which the heat medium having passed through the second refrigerant-heat medium heat exchanger flows to the first refrigerant-heat medium heat exchanger and a circuit state in which a flow path of the heat medium having passed through the first refrigerant-heat medium heat exchanger and a flow path of the heat medium having passed through the second refrigerant-heat medium heat exchanger form individual circuits, respectively.

A vehicle air conditioning system includes a first passenger compartment heating loop and a first battery pack heat exchange loop. The first passenger compartment heating loop and the first battery pack heat exchange loop share a compressor and an out-vehicle condenser. The first passenger compartment heating loop further includes an in-vehicle condenser, the first battery pack heat exchange loop further includes a heat conducting component connected to a power battery. The power battery is connected to a self-heating circuit used for self-heating the power battery; and an outlet of the compressor is in communication with an inlet of the in-vehicle condenser. An outlet of the in-vehicle condenser is in communication with an inlet of the out-vehicle condenser, and an outlet of the out-vehicle condenser is in communication with an inlet of the compressor.

A vehicle heat pump air-conditioning system is provided, which is capable of securing a temperature linearity characteristic during dehumidifying heating, slowing progression of a frost formation on an exterior evaporator during heating, and stably continuing a heating operation while suppressing variations in a blowout temperature. In a cooling refrigeration cycle (14) becoming a base, an interior condenser (8) disposed in a HVAC unit (2) is connected to an exterior condenser (10) in parallel via switching means (15), an exterior evaporator (17) is connected to first decompression means (12) and an interior evaporator (7) in parallel via second decompression means (16), a heating heat pump cycle (18) is configured, the first decompression means (12) and the second decompression means (16) are on-off valve function attached decompression means (12, 16), and the exterior evaporator (17) and the interior evaporator (7) can be simultaneously used during dehumidifying heating and heating.

An air conditioning system for a motor vehicle operable in refrigeration mode and in heat pump mode, as well as in reheating mode. The operating mode adjusted by controlling air dampers and air directing elements. The air conditioning system has a housing having a cold air flow path a warm air flow path, and an air outlet. The air outlet formed in the region of the cold air flow path and discharging air into the environment. The warm air flow path branches off from the cold air flow path. The cold air flow path and the warm air flow path lead into a first mixing chamber. The air conditioning system further includes a refrigerant circuit having a heat exchanger operable as an evaporator, a compressor, a heat exchanger operable as a first condenser/gas cooler, a heat exchanger operable as a second condenser/gas cooler, and an expansion element.

An injection type heat exchange module includes an outer tank composed of an upper chamber and a lower chamber separated from each other, an inner tank disposed inside the upper chamber of the outer tank to be heat-exchangeable with the refrigerant and connected to discharge the refrigerant to the compressor, the evaporator, or the lower chamber of the outer tank, a first valve disposed on an upper end of the inner tank; a second valve rotatably coupled to a lower end of the inner tank, and an actuator simultaneously connected to the first valve and the second valve to be operated to simultaneously rotate the first valve and the second valve, and a heat management system for a vehicle applying the same.

A heat pump includes a refrigerant loop. The refrigerant loop includes an accumulator having an inlet and an outlet, a compressor, a first heat exchanger, and a first coupling point. The compressor includes a low-pressure inlet and an outlet. The low-pressure inlet is downstream of the outlet of the accumulator. The first heat exchanger includes an inlet and an outlet. The first coupling point is positioned immediately downstream of the outlet of the accumulator and immediately upstream of the low-pressure inlet of the compressor. The first coupling point is immediately downstream of the outlet of the first heat exchanger such that a first heat exchange fluid circulating through the refrigerant loop is directed to the low-pressure inlet of the compressor upon exiting the outlet of the first heat exchanger.

A system and method for selective thermoregulation of a plurality of temperature-controlled enclosures in automobiles is disclosed. The system includes primary enclosure located in exterior region of automobile, equipped with thermoregulation units and capable of storing objects for temperature control. The primary enclosure is connected, through tubular structures, to secondary enclosures positioned in interior region of the automobile. The secondary enclosures also have thermoregulation units and can receive refrigerant from primary enclosure to store objects for temperature control. Further, the system includes controlling unit that allows user to select different thermoregulation modes based on the type of objects stored in each enclosure. The controlling unit adjusts temperature of primary and secondary enclosures according to selected mode. The refrigerant supply to each enclosure is controlled by activating ports associated with valves. The controlling unit periodically monitors vehicle parameters and adjusts refrigerant supply, heat generation, and battery consumption based on vehicle conditions.

A heat exchange system has an inlet branch adapted to receive a heat exchange liquid, supplied by a first pump and cooled by a chiller, and an outlet branch which circulates the heat exchange liquid to the chiller. The system has a cooling line, which extends from the inlet branch to the outlet branch along a vehicle battery for cooling this battery, and a branch line, which extends along a thermal reservoir containing a material with characteristics such as to store heat/cold and is configured in such a way as to exchange heat between said material and the heat exchange liquid. The system has at least one valve which is configured and controllable to achieve a first operating condition, in which the liquid flows exclusively in the cooling line, and a second operating condition, in which the liquid flows in the branch line and, in series, in the cooling line.

A method for controlling a climate control circuit includes detecting one or more operating parameters of an evaporator expansion valve (EXV) in the climate control circuit, and determining operation stability of the EXV based on the one or more operating parameters of the EXV. The method also includes opening a bypass pathway in response to determining the operation of the EXV is unstable, the bypass pathway includes an intermediate heat exchanger and a second expansion valve disposed in parallel with the first expansion valve, such that the intermediate heat exchanger cools a first portion of the working fluid flowing into the EXV using a second portion of the working fluid. A climate control system includes a climate control circuit, one or more sensors for the climate control circuit, and a climate controller to control the climate control circuit based on stability of an EXV in the climate control circuit.

A recreational vehicle air conditioning system supports multiple recreational vehicle air conditioning units having closed air conditioning circuits and a controller that is electronically coupled to each of the recreational vehicle air conditioning units to control each of the closed air conditioning circuits to regulate an overall power consumption of the multiple recreational vehicle air conditioning units. A recreational vehicle air conditioning system may also support multiple recreational vehicle air conditioning units where a refrigerant line set is coupled between the recreational vehicle air conditioning units such that a compressor in one of the recreational vehicle air conditioning units is capable of supplying refrigerant to the evaporators of the multiple recreational vehicle air conditioning units, and such that valves coupled in series with each of the evaporators may be regulated to control cooling by each recreational vehicle air conditioning unit.