An evaporator with a cold storage function (10) includes: a plurality of refrigerant tubes (30) which have refrigerant flow paths (32, 33) and which are disposed in parallel with an interval therebetween; and a cold storage material container (40) sandwiched and bonded between adjacent refrigerant tubes (30, 30) among a plurality of the refrigerant tubes (30) and to be filled with a cold storage material (B), wherein the cold storage material container (40) is formed by superimposing a pair of cold storage plates (41, 41), each of which includes accommodating concavities (46, 47) to be filled with the cold storage material (B), and a plurality of convexities (46b, 47b) are formed with an interval therebetween in standing walls (46a, 47a) of the accommodating concavities (46, 47) of each of the cold storage plates (41).

An electric device (1) comprises a portion generating heat and a portion for dissipating said generated heat by heat exchange with a fluid, wherein said heat dissipating portion comprises means for generating a turbulent flow in the fluid.

A vehicle heat exchanger tube (2) comprises at least a first and a second separate fluid channel (14, 16). A tube stiffener (38) has a first stiffening portion (40) stiffening the first channel (14) of the tube (2), and a second stiffening portion (42) stiffening the second channel (16) of the tube (2). The first stiffening portion (40) comprises a first supporting surface (46) supporting the first larger surface (20) of the first channel (14), and a second supporting surface (48) supporting the second larger surface (22) of the first channel (14). The second stiffening portion (42) comprises a first supporting surface (56) supporting the first larger surface (26) of the second channel (16), and a second supporting surface (58) supporting the second larger surface (28) of the second channel (16).

A heat exchanger includes a plurality of heat exchange layers stacked in a stackwise direction. Each of the layers includes a first plate and a second plate, each of the first plate and the second plate includes a portion of a first enclosed header, a second enclosed header and at least one flow channel that extends between the first enclosed header and the second enclosed header. The first plate and the second plate are fixedly attached to one another to completely define the first enclosed header, the second enclosed header, and the at least one flow channel. An inlet header is in fluid communication with the first enclosed header of each of the plurality of heat exchange layers to direct a flow of fluid to the heat exchange layers. An outlet header is in fluid communication with the second enclosed header of each of the plurality of heat exchange layers to direct the flow of fluid from the heat exchange layers. The heat exchanger also includes a plurality of fins with each positioned between adjacent heat exchange layers.

A heat exchanger (80) includes a plurality of heat exchange layers (95) stacked in a stackwise direction. Each of the layers includes a first plate (110) and a second plate (115), each of the first plate and the second plate includes a portion of a first enclosed header (120), a second enclosed header (125) and at least one flow channel (130) that extends between the first enclosed header and the second enclosed header. The first plate and the second plate are fixedly attached to one another to completely define the first enclosed header, the second enclosed header, and the at least one flow channel. An inlet header (85) is in fluid communication with the first enclosed header of each of the plurality of heat exchange layers (95) to direct a flow of fluid to the heat exchange layers. An outlet header is in fluid communication with the second enclosed header of each of the plurality of heat exchange layers to direct the flow of fluid from the heat exchange layers. The heat exchanger also includes a plurality of fins (100) with each positioned between adjacent heat exchange layers.

There is provided a steam power cycle system in which steam power cycles using pure materials as a working fluid is used in a multiple stage to reduce pressure loss in the flow channels in the respective heat exchanger so that the fluid serving as heat sources has been caused to make an effective heat exchange with the working fluid. More specifically, not only that the respective flow channels for the fluid serving as heat sources in the evaporator and the condenser in the respective steam power cycle units are connected in series to each other, but the evaporator and the condenser comprise a cross-flow type heat exchanger and are arranged respectively in a flowing direction of the fluid serving as heat source. Consequently, it is possible to reduce the length of the flow channels to the minimum necessary, simplify the flow channel structure, and reduce the pressure loss.

A refrigerant system according to an example of this disclosure includes a main refrigerant loop in communication with a condenser, an evaporator, and a compressor. A heat exchanger is arranged to cool electronic components. The heat exchanger has a cooling line, which is configured to receive refrigerant from the main refrigerant loop and a heat sink in communication with air surrounding the electronic components.

Some embodiments of the present disclosure provide a flat tube and a heat exchanger. The flat tube includes a middle tube segment and necking connection segments located at two ends of the middle tube segment, wherein a width of each of the necking connection segments is less than a width of the middle tube segment, a transition connection segment is provided between the each of the necking connection segments and the middle tube segment, and the transition connection segment is provided with a fastening and positioning part.

A heat exchange system for realizing an adequate heat exchange among a plural type of fluids uses a refrigerant radiator and a radiator which are combined to have one unit for enabling heat exchange between a refrigerant and a coolant, and decreases an inflow amount of the coolant flowing into the radiator when coolant temperature of the coolant flowing into the radiator is equal to or higher than a second standard temperature, which is set to be lower than a temperature of the refrigerant flowing into the refrigerant radiator, and is equal to or lower than a predetermined first standard temperature. In such manner, heat from the refrigerant is effectively transferred to an outside air by reducing an unwanted heat exchange between the refrigerant and the outside air.

A heat exchanger has a core comprised of at least one core section defined by a plate stack comprising a plurality of core plates, each core plate having a plurality of spaced apart, raised openings surrounded by a flat area. The raised openings of adjacent plates are sealed together to define a plurality of tubular structures. Top and bottom manifolds are sealed to the top and bottom of the core, with continuous top and bottom end plates providing structurally rigid connections between multiple core sections of the heat exchanger. The heat exchanger may have numerous configurations, including stepped core, curved core, angled core, and/or a core having multiple sections of the same or different length, while minimizing the number of unique parts and/or parts of complex shape.