A cooling system may include a cooling pump, a cooling source, a thermal energy storage, a mixing valve, a recharge valve, a recharge pump. The mixing valve may be in fluid communication with a thermal load. A first input of the mixing valve may be in fluid communication with the thermal energy storage. A second input of the mixing valve may be in fluid communication with the recharge pump. Operation of the recharge pump may cause heated cooling fluid output from the thermal load to bypass the cooling pump and flow to the second input of the mixing valve. The recharge valve may be in fluid communication with the thermal energy storage and the cooling pump. The recharge valve may regulate a recharge fluid flow comprising cooling fluid received from the thermal energy storage.

The invention relates to a motor vehicle chiller (1) with several evaporators (8, 9, 10) of different cooling capacity, comprising a refrigerant circulation with at least one refrigerant compressor (2), at least one condenser (3), at least one expansion element (4) as well as at least two evaporators (8, 9, 10) disposed in parallel of different cooling capacity, which is characterized thereby that downstream of the expansion element (4) and upstream of the evaporator (10) of lesser cooling capacity a refrigerant collector (5) is disposed for the separation of the liquid refrigerant and that between the refrigerant collector (5) and the evaporator (10) a refrigerant pump (6) is disposed for the conveyance of the liquid refrigerant to the evaporator (10) of lesser cooling capacity, wherein the refrigerant vapor can be guided from the evaporator (10) across the refrigerant collector (5) functioning as the separator and be drawn in by the refrigerant compressor (2).

An air conditioner in which a supercooler and a receiver are integrated and the cooling receiver of the air conditioner. The cooling receiver of an air conditioner includes a cooling unit configured to include at least one first refrigerant flow channel through which a refrigerant flows and a second refrigerant flow channel which surrounds the outer circumference of part of the at least one first refrigerant flow channel and through which a refrigerant flows and supercools a refrigerant flowing through the first refrigerant flow channel and a receiver unit configured to have at least one end of the cooling unit disposed in the receiver unit and to store the supercooled refrigerant exiting from the first refrigerant flow channel.

A refrigeration circuit with thermal storage is disclosed. The circuit refrigeration comprises a gas-cooler comprising an inlet, and an outlet, and a compressor unit comprising one or more compressors. The outlet of the compressor unit is fluidically connected to the inlet of the gas-cooler. The refrigeration circuit comprises evaporators comprising an inlet, and an outlet, where the outlet of the evaporators is fluidically coupled to the inlet of the compressor unit. The refrigeration circuit comprises a flash tank fluidically connected between the gas-cooler and the compressor unit, and the evaporators and the compressor unit. Further, the circuit refrigeration comprises a thermal battery fluidically coupled to the gas-cooler, the flash tank, the compressor unit, and the evaporators. The thermal battery is used as a heat source and a heat sink based on the energy pricing of an electric grid to optimize the operation of the gas-cooler, evaporators, and the compressors.

In one aspect, an air conditioning system is provided. The air conditioning system includes a refrigeration circuit having a refrigerant and an economizer circuit, and a subcooling circuit thermally coupled to the refrigeration circuit, the subcooling circuit including a thermal energy storage (TES) unit and a phase change material (PCM) for thermal exchange with the refrigerant.

A receiver for a refrigeration system includes an enclosure with an inlet for liquid refrigerant at a first end and an outlet for the liquid refrigerant at a second end. A heat exchanger with an inlet and an outlet for refrigerant vapor is surrounded by the enclosure. The heat exchanger includes baffles so that alternatingly positioned flow passages are positioned on opposing sides of the enclosure.

A liquid accumulator for a heat exchange system, includes a liquid accumulator housing provided with an air inlet, an air outlet, and a liquid inlet; and a cooling heat exchanger disposed in the liquid accumulator housing, wherein the cooling heat exchanger comprises an inlet end, a main body part, and an outlet end in sequence; the inlet end of the cooling heat exchanger is connected to the air inlet on the liquid accumulator housing; and the outlet end of the cooling heat exchanger is arranged to be higher than a working liquid level of a refrigerant in the liquid accumulator.

Cascaded refrigeration systems containing: a plurality of refrigeration units, each refrigeration unit containing a first refrigeration circuit, each first refrigeration circuit comprising an evaporator and a heat exchanger; and a second refrigeration circuit; wherein each first circuit heat exchanger is arranged to transfer heat energy between its respective first refrigeration circuit and the second refrigeration circuit.

A valve-in-receiver (VIR) for a vehicle climate control system includes a receiver drier (RD) shell including an outer surface and an inner surface defining an interior portion having an opening, and a cap member mounted to the RD shell across the opening, the cap member including an evaporator inlet portion, an evaporator outlet portion, a condenser inlet and a compressor outlet.

A valve in receiver (VIR) for a climate control system includes a receiver drier shell having an outer surface and an inner surface defining an interior portion having an opening. A drier housing is disposed in the receiver drier shell and a molded desiccant is disposed internal to the drier housing. The molded desiccant is configured to form a restrictive fluid flow passage along an interior surface of the drier housing.