A heat management system disclosed herein is used for a vehicle. The heat management system may include an electric device, a first heat exchanger, a second heat exchanger, a first channel, a second channel, a first pump, a second pump, a first channel valve, a second channel valve, a bypass channel, and a controller. The controller may be configured to, when one of the first pump and the second pump operates abnormally, control the first channel valve and the second channel valve such that the flow of the first heat medium from both of the first channel and the second channel to the first heat exchanger is allowed and activate the other of the first pump and the second pump.

A fluid management module, e.g., for a motor vehicle, is disclosed. The fluid management module includes at least two function components and at least one electrical control/regulating device. The control/regulating device includes a circuit board with electrical connectors. The electrical connectors include a plurality of analogue signal input connectors and at least one component field bus connector, each for electrically connecting to a respective function component via a component field bus, and a vehicle field bus connector for electrically connecting to a CAN bus or LIN bus of a motor vehicle. At least the vehicle field bus connector, the component field bus connector and the analogue signal input connectors are electrically connected to a micro-controller of the control/regulating device provided on the circuit board. At least one of the at least two function components is electrically connected to at least one of the electrical connectors.

An air conditioning device for a vehicle includes: a refrigeration cycle including a compressor, a condenser, an expansion valve, and an evaporator through which a refrigerant is sequentially flowed; a high-temperature heat medium circuit through which a high-temperature heat medium has exchanged heat with the refrigerant in the condenser is circulated; a low-temperature heat medium circuit through which a low-temperature heat medium has exchanged heat with the refrigerant in the evaporator is circulated; a connection line connecting the high-temperature heat medium circuit to the low-temperature heat medium circuit; vehicle interior heat exchangers allowed to be introduced the heat medium thereinto; and a switching unit which switches an operation state of the air conditioning device to a first mode allowing to connect the vehicle interior heat exchangers to the high-temperature heat medium circuit, a second mode allowing to connect the vehicle interior heat exchangers to the low-temperature heat medium circuit, or a third mode not allowing to connect the vehicle interior heat exchangers to any one of the high-temperature heat medium circuit and the low-temperature heat medium circuit.

The present invention provides a vapor injection module including a first expansion means having an inlet port into which a refrigerant is introduced, and first line and second line connected to the inlet port so that the introduced refrigerant flows therethrough, the first expansion means being disposed at a connection portion between the first line and the second line and configured to control a flow direction of the refrigerant and whether to expand the refrigerant depending on an air conditioning mode, a gas-liquid separator connected to the first line and configured to separate the introduced refrigerant into a liquid refrigerant and a gaseous refrigerant, a second expansion means connected to a movement passage through which the liquid refrigerant separated in the gas-liquid separator flows, the second expansion means being configured to expand the introduced refrigerant, and a first outlet port connected to the second line and the second expansion means.

A heat pump includes a refrigerant loop. The refrigerant loop includes a first heat exchanger, a first region of a second heat exchanger, a third heat exchanger, a fourth heat exchanger, a compressor, a vapor generator, an accumulator, a first expansion valve, and a first three-way valve. The compressor includes a low-pressure inlet, a mid-pressure inlet, and an outlet. The vapor generator is positioned downstream of the outlet of the compressor and upstream of both the low-pressure inlet and the mid-pressure inlet. The vapor generator includes a first region and a second region. The accumulator is positioned immediately upstream of the compressor. The accumulator includes an inlet and an outlet. The first expansion valve is positioned upstream of the accumulator. The first expansion valve includes an inlet and an outlet. The first three-way valve is positioned immediately downstream of the first expansion. valve and immediately upstream of the accumulator.

An integrated thermal management system for vehicles includes: a first cooling line; a second cooling line; a refrigerant line; and a bypass line configured to diverge from the second cooling line, to be connected to a chiller, and to allow a coolant to bypass a second radiator and to circulate between a high-voltage battery and the chiller.

Provided is a vehicle including: a vehicle main body including an electrical device that generates heat when the vehicle travels; a heat exchanger that performs heat exchange between outside air and a refrigerant; and cooling piping that constitutes a flow passage through which the refrigerant circulates between the electrical device and the heat exchanger, with a part of the flow passage being routed on a lower surface side of and in contact with a floor panel that constitutes a part of the vehicle main body.

A gas injection type heat management system includes a first refrigerant line along which a compressor, an inner condenser, a first expansion valve, and a flash tank are sequentially provided and through which a refrigerant flows, a second refrigerant line along which a second expansion valve and an evaporator are sequentially provided and the refrigerant flows from the flash tank and circulates to the compressor via the second expansion valve and the evaporator, a third refrigerant line configured such that the refrigerant discharged from the flash tank flows directly to the compressor and a heat absorber for performing heat exchange between the refrigerant discharged from the inner condenser and the refrigerant discharged from the flash tank, and a controller for controlling whether to operate the compressor, whether to allow the refrigerant to flow and whether to expand the refrigerant.

A heat pump system for a vehicle is configured for eliminating a chiller which is separately configured, adjusting a temperature of a battery module by use of an evaporator where a coolant and a refrigerant exchange heat, and improving heating performance by use of a sub-centralized energy module together with waste heat of electrical equipment in a heating mode of the vehicle.

A multi-zone climate control system for vehicles includes a front HVAC unit, a powered blower, and a heater core. The front HVAC unit is adapted to condition air provided to first and second front zones. The front HVAC unit further includes a cold air outlet connected to the powered blower. Cold air from the cold air outlet of the front HVAC unit passes through the powered blower and enters the heater core. The heater core is configured to control a temperature of conditioned air supplied to at least one rear zone of the passenger compartment.