A heat pump system for vehicle includes a cooling device including a radiator and a first water pump by a cooling line and circulating a coolant along the cooling line to cool an electric component; a battery module provided on a battery cooling line selectively connected to the cooling line through a first valve; a heating, ventilation, and air conditioning (HVAC) module including an internal heater connected to the cooling line through a first connection line, a cooler connected to the battery cooling line through a second connection line, and an opening or closing door provided between the internal heater and the cooler and controlling external air passing through the cooler to be selectively introduced into the internal heater depending on cooling, heating, and heating and dehumidifying modes of the vehicle; and a centralized energy (CE) module connected to each of the battery cooling line and the cooling line.

The present invention provides a heat pump system which comprises a compressor (110), a mode switch valve assembly (120), a mode switch flow path, and a first heat exchanger, a second heat exchanger and a heat recovery heat exchanger respectively connected between the mode switch valve assembly and the mode switch flow path, wherein the mode switch flow path is provided with a first flow path (160), a second flow path (170) and a third flow path (180) which converge at an intersection point, and at least the first flow path and the second flow path are respectively provided with a throttling section (161,171), and the first flow path, the second flow path and the third flow path are controllably switched on/off to realize different function modes. Therefore, a heat pump unit having a heat recovery function is provided, which has advantages of simple structure and high operational reliability, etc.

The invention provides a highly reliable refrigeration apparatus configured to cool the interior of a casing of a heat source unit by means of a refrigerant and can reduce a possibility that liquid compression is caused by supply of the refrigerant to a heat exchanger for cooling the interior of the casing. An air conditioner (10) includes a heat source unit (100), a utilization unit (300) having a utilization heat exchanger (310) and constituting a refrigerant circuit (50) along with the heat source unit, and a controller. The heat source unit includes a compressor (110), a heat source-side heat exchanger (140) configured to cause heat exchange between a refrigerant and a heat source, a casing, a cooling heat exchanger (160) supplied with the refrigerant and configured to cool the interior of the casing, and a valve (162) configured to switch to supply or not to supply the cooling heat exchanger with the refrigerant. The controller configured to open or close the valve assesses, before the refrigerant is supplied to the cooling heat exchanger, whether or not the refrigerant flowing from the cooling heat exchanger toward the compressor comes into a wet state when the refrigerant is supplied, and determines whether or not to open the valve in accordance with an assessment result.

The present disclosure relates to a heat pump system. The heat pump system removes heat generated during the generation of electric energy using a power generator and also performs heating using waste heat. Since an additional heat source is created in order to meet a heating requirement, heating control is effectively achieved, and electric power is produced so as to meet the demand of electric energy. When the power generator is likely to be over-cooled in the cold season, cooling of the power generator is stably performed by controlling the temperature and the flow rate of a cooling medium moving to the power generator.

It is provided a refrigeration apparatus that uses liquid fluid as a heat source and is highly reliably configured to reduce the occurrence of dew condensation and freezing at a utilization unit during cooling operation in which a liquid fluid heat exchanger in a heat source unit functions as a radiator. An air conditioner (10) includes a heat source unit (100) having a compressor (110), a first heat exchanger (140) configured to cause heat exchange between a refrigerant and liquid fluid, a second heat exchanger (160) configured to cause heat exchange between the refrigerant and air, and a valve (162) configured to switch to supply or not to supply the second heat exchanger with the refrigerant, a utilization unit (300) constituting a refrigerant circuit (50) along with the heat source unit, and a controller (406) configured to control to operate the compressor and to open or close the valve (162). The controller opens the valve (162) to supply the second heat exchanger with the refrigerant to cause the second heat exchanger to function as a heat absorber when assessing that the refrigerant sent to the utilization unit needs to be decreased in quantity during cooling operation in which the first heat exchanger functions as a radiator.

An air conditioning system that includes at least one indoor unit that uses water as a working fluid, an outdoor unit that uses a refrigerant as a working fluid, the outdoor unit including a compressor compressing the refrigerant and an outdoor heat exchanger for heat-exchange with the refrigerant, and a heat collection unit connecting the at least one indoor unit to the outdoor unit, the heat collection unit including at least one heat exchange part for heat-exchanging water supplied from the at least one indoor unit with the refrigerant supplied from the outdoor unit.

A heat pump system provides at least six modes of heating, cooling, and/or domestic water heating operation, where domestic water heating may occur concurrently with heating or cooling a space in a structure. The heat pump system comprises a desuperheater positioned downstream of the compressor and operable as a desuperheater, a condenser or an evaporator, a source heat exchanger operable as either a condenser or an evaporator, a load heat exchanger operable as either a condenser or an evaporator, a reversing valve positioned downstream of the desuperheater heat exchanger and configured to alternately direct refrigerant flow from the desuperheater heat exchanger to one of the load heat exchanger and the source heat exchanger and to alternately return refrigerant flow from the other of the load heat exchanger and the source heat exchanger to the compressor, and an expansion valve positioned between the load heat exchanger and the source heat exchanger.

A heat pump system includes a compressor, indoor heat exchanger, outdoor heat exchanger, and expansion valve. A main flow control device fluidly couples a discharge line to the outdoor heat exchanger when the heat pump system is in a cooling mode, and fluidly couples the discharge line to the indoor heat exchanger when the heat pump system is in a heating mode. An intermediate heat exchanger is configured to receive working fluid from the outdoor heat exchanger in a cooling mode and from the indoor heat exchanger in a heating mode. The intermediate heat exchanger is configured to superheat or sub-cool a working fluid therein. A secondary flow control device is configured to control a directional flow of working fluid between the indoor heat exchanger, the outdoor heat exchanger and the intermediate heat exchanger. A controller is operably coupled to the main and secondary flow control devices.

The invention concerns an air conditioning system for the conditioning of the air of a passenger compartment of a motor vehicle. The air conditioning system has a refrigerant circuit with a compressor, a refrigerant-coolant heat exchanger for desuperheating the refrigerant after the compression, a first refrigerant-air heat exchanger and a second refrigerant-air heat exchanger, and at least one coolant circuit. The coolant circuit has a heating heat exchanger for heating an air mass flow being supplied to the passenger compartment. The refrigerant-coolant heat exchanger is designed as a component of the coolant circuit having the heating heat exchanger. The air conditioning system is designed for an operation in refrigerator mode, in heat pump mode, and in afterheating mode for the heating, cooling, and dehumidification of the air being supplied to the passenger compartment. A valve arrangement switches the air conditioning system between the different operating modes.

Frame parts are arranged in a row, and in each of which a compressor, an air heat exchanger, a receiver, and a system-side electric component box corresponding to each other are installed as a single unit.