A heat exchanger, particularly for a heating or air conditioning system for motor vehicles, includes at least one inlet channel and at least one outlet channel and at least one collector, which has at least two metal sheets or plates abutting each other, and a flow device through which a first medium can flow, while a second medium can flow around the flow device. The first medium is distributed by an inlet channel to the collector and to the flow device and can be conducted to an outlet channel, and at least one further channel for distributing the coolant is provided, which is connected in a communicating manner via at least one opening to the inlet channel.

A refrigeration appliance includes an inner space, an evaporator assembly extending at a wall of the inner space, a retaining device including a base plate extending between the wall and the evaporator assembly, and protrusions protruding from the wall on a first and a second edge of the base plate. At least the protrusion protruding on the first edge includes an elastic clip that can be deflected out of a position in which it engages with a first outer section of the evaporator assembly into a position in which it releases the outer section. A method for mounting an evaporator assembly on a wall of an inner space of a refrigeration appliance is also provided.

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.

An evaporator for a climate chamber, in particular for a constant climate chamber with temperature- and humidity control, comprising a first inlet, a second inlet and an outlet for a refrigerant, wherein the first inlet, the second inlet, and the outlet are connected with one another by a duct, and wherein the second inlet is disposed between the first inlet and the outlet, and a climate chamber with an evaporator.

An evaporator (1) for vaporizing a substance into its gaseous form, which comprises at least a plate pack (4) functioning as an evaporator and a droplet separator arranged inside the outer casing. An outlet connection (6) for leading the vaporised substance out from the outer casing is arranged to an end plate of outer casing, and said outlet connection (6) is connected to a suction duct (10) arranged inside the outer casing in a longitudinal direction of the shell, and said suction duct (10) comprises openings (12) at the upper surface of the suction duct, wherein the droplet separator is constructed at both sides of the suction duct (10).

A heat exchanger includes a first row of flat tubes, a second row of flat tubes, a first header causing first ends of the flat tubes in the first row in a first direction to communicate with each other, a second header causing first ends of the flat tubes in the second row in the first direction to communicate with each other, and a third header that causes the second ends to communicate with each other and connects the first and second rows to cause refrigerant to flow between the first header and the second header. The flat tubes are arranged outside a space between the segments of the third header. A stress-absorbing part is provided in at least a bending target portion of one of the first header and the second header subjected to larger stress from the bending than the other one of the first header and the second header.

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.

A miniature Joule-Thomson cryocooler operating at liquid helium temperatures includes an integral structure formed by welding at least three base plates sequentially superposed, an outermost base plate in the at least three base plates is configured as a cover plate and configured to seal the rest of the at least three base plates, the rest of the at least three base plates is configured as a first-stage cooling circulator, a second-stage cooling circulator and a third-stage cooling circulator respectively, the first-stage cooling circulator, the second-stage cooling circulator and the third-stage cooling circulator have a first-stage working fluid, a second-stage working fluid and a third-stage working fluid respectively, the first-stage cooling circulator is configured to precool the second-stage working fluid and the third-stage working fluid through the first-stage working fluid, and the second-stage cooling circulator is configured to precool the third-stage working fluid through the second-stage working fluid.

A throttling heat exchange assembly includes a first heat exchange part, a bridge, a second heat exchange part, a throttling element, and a sensing element. The bridge is at least partially located between the first heat exchange part and the second heat exchange part. The bridge includes two holes and/or slots for communication facing towards the first heat exchange part. The bridge includes at least two holes or slots that allow communication with the second heat exchange part. The bridge is further provided with a first mounting part. The sensing element is fitted to the first mounting part. A sensing head of the sensing element is located in an internal space of the bridge.

Various embodiments may relate to a radiant cooler. The radiant cooler may include a chamber. The radiant cooler may also include a vacuum pump connected to the chamber. The radiant cooler may further include an infrared absorber arranged within the chamber. A wall of the chamber may be configured to allow at least a portion of infrared light to pass through. The vacuum pump may be configured to generate a vacuum in the chamber. The infrared absorber may include a fluid, i.e. a liquid, configured to evaporate into the vacuum upon receiving thermal energy from at least the portion of infrared light.