Disclosed is a refrigerant processing unit (1) for evaporating a refrigerant. The refrigerant processing unit (1) comprises a recirculation container (2) and a refrigerant inlet (3) connected to the recirculation container (2) for leading liquid refrigerant into the recirculation container (2). The refrigerant processing unit (1) also comprises a flooded evaporator heat exchanger (4) arranged to heat the liquid refrigerant to generate a phase change of the refrigerant from a liquid phase to a gaseous phase and a standpipe (5) extending between a liquid refrigerant outlet (6) of the recirculation container (2) and an evaporator inlet (28) of the flooded evaporator heat exchanger (4). Further, the refrigerant processing unit (1) comprises a return pipe (7) arranged to guide gaseous refrigerant from the flooded evaporator heat exchanger (4) back into the recirculation container (2) and a superheater heat exchanger (8) located below the recirculation container (2), wherein the superheater heat exchanger (8) is arranged to heat the gaseous refrigerant to generate a superheated gaseous refrigerant. Furthermore, the refrigerant processing unit (1) comprises a guide pipe (9) arranged to guide gaseous refrigerant from the recirculation container (2) into the superheater heat exchanger (8), and an outlet pipe (10) arranged to guide the superheated gaseous refrigerant out of the superheater heat exchanger (8) and thereby out of the refrigerant processing unit (1), wherein the flooded evaporator heat exchanger (4) and the superheater heat exchanger (8) are formed as a single heat exchanger unit (11) located below the recirculation container (2). A method for evaporating a refrigerant and use of a refrigerant processing unit (1) is also disclosed.

A refrigeration cabinet includes a freezing compartment, a first evaporator and a second evaporator. The freezing compartment includes a freezing compartment door, and the first evaporator and the second evaporator are both equipped in the freezing compartment. The first evaporator is turned off and a second evaporator is working while the freezing compartment door is opened.

An evaporative cooling device for a refrigeration system includes one or more heat exchanger coils, a first moisture panel, a second moisture panel, a first nozzle array, a second nozzle array, a moisture sensor, and a controller. The first moisture panel and the second moisture panel are separated by a distance and disposed external to the one or more heat exchanger coils. The first nozzle array is disposed external to the first moisture panel and the second nozzle array is disposed external to the second moisture panel. The first nozzle array and the second nozzle array are configured to provide an atomized spray of electrostatically charged droplets. The moisture sensor is configured to provide a signal representative of a moisture level. The controller is configured to receive the signal representative of the moisture level and control a supply of water.

The present invention discloses a defrosting device, including: a heating unit provided at a lower portion of the evaporator; and a heat pipe connected to an inlet and an outlet of the heating unit, respectively, and having at least part thereof disposed adjacent to a cooling pipe of the evaporator such that the cooling pipe of the evaporator is heated by a working fluid of high temperature which is transferred in a heated state by the heating unit, wherein the heating unit includes: a heater case extending in one direction to be arranged in a left and right direction of the evaporator, and having the inlet and the outlet at both sides thereof; and a heater provided with an active heating part accommodated within the heater case and actively generating heat to heat the working fluid, and a passive heating part extending from the active heating part and heated up to temperature lower than temperature of the active heating part, and wherein the inlet is formed at a position away from the active heating part to prevent the working fluid returned after flowing along the heat pipe from being introduced directly into the active heating part.

A roll bond plate evaporator structure is disclosed. The roll bond plate evaporator structure includes a heat dissipation member, at least one inlet and at least one outlet. The heat dissipation member is composed of a first plate body and a second plate body, which are correspondingly mated with each other. The first and second plate bodies together define a flow way. A working fluid is filled in the flow way. The inlet is formed at one end of the heat dissipation member in communication with the flow way and the outlet is formed at the other end of the heat dissipation member in communication with the flow way.

A refrigeration system is provided. The refrigeration system includes: an indoor heat exchange module configured for refrigerant to absorb heat; outdoor heat exchange modules for the refrigerant to dissipate heat. The outdoor heat exchange module includes a compression device and a condensing device; the outdoor heat exchange module is switchable between an active mode and a standby mode; in the active mode, the outdoor heat exchange module is connected to the indoor heat exchange module; in the standby mode, the outdoor heat exchange module is disconnected from the indoor heat exchange module, and the compression device of the outdoor heat exchange module is in an operation status.

A stacked plate heat exchanger for a motor vehicle may include a plurality of elongated plates stacked on one another between which a plurality of cavities are disposed alternately for two media. The plurality of cavities may be respectively delimited by a respective plate of the plurality of plates zonally by a plate surface and a surrounding wall. The respective plate may include two flow openings, two passage openings, and two domes respectively arranged around one of the two passage openings. At least of one of the plurality of plates may further include an elongated separation shaping arranged on the plate surface, projecting into the respective cavity, and extending from the first short side between the two flow openings in a direction of the second short side. The separation shaping may adjoin the first short side at an angle α of 45° to 90°.

A distributor includes at least: a first flow path through which refrigerant flowing in from a refrigerant inflow unit flows in a first direction toward a heat transfer tube disposed on the side of a refrigerant outflow unit; two second flow paths branched from the first flow path; two third flow paths, through each of which the refrigerant flows in a second direction opposite to the first direction; two fourth flow paths, each of which is formed to protrude from a main body toward the second direction and through each of which the refrigerant flows in a third direction intersecting the two third flow paths; and two fifth flow paths, through each of which the refrigerant flows in the first direction.

A refrigeration system includes a compressor for compressing a gaseous refrigerant, such that the temperature and pressure thereof increases; a four-way valve controlling whether the refrigeration system is in a heating mode or a cooling mode; a condenser, in which the gaseous refrigerant from the compressor exchanges heat with a high temperature heat carrier, said heat exchange resulting in the refrigerant condensing; an expansion valve reducing the pressure of liquid refrigerant from the condenser, hence reducing the boiling point of the refrigerant; an evaporator, in which the low boiling point refrigerant exchanges heat with a low temperature heat carrier, such that the refrigerant vaporizes; and a suction gas heat exchanger exchanging heat between high temperature liquid refrigerant from the condenser and low temperature gaseous refrigerant from the evaporator. A balance valve is arranged for controlling the amount of heat exchange between the high temperature liquid refrigerant and the low temperature gaseous refrigerant in the suction gas heat exchanger by directing a flow of high temperature liquid refrigerant directly from the condenser to the expansion valve. Disclosed is also a method for controlling such a system.

An ice maker evaporator assembly having an evaporator pan with a back wall and left, right, top and bottom sidewalls extending from the back wall, and a freeze plate located within the evaporator pan. Refrigerant tubing is thermally coupled to the back wall of the evaporator pan opposite the left, right, top and bottom sidewalls. A first layer of insulation is formed on the refrigerant tubing. An evaporator housing having a housing back wall and housing left, right, top and bottom sidewalls extending from the housing back wall is attached to the evaporator pan and covers refrigerant tubing. A second layer of insulation is formed on top of the first layer of insulation.