A separating element (10a, 10b) adapted to be positioned in connection to a heat exchanger unit (1, 1a, 1b, 1c) of a sectioned heat exchanger (100) is disclosed. The separating element (10a, 10b) has first openings (11a, 11b) adapted to align with first heat exchanger openings (3a, 3b) forming inlets of a first flow path (A) and a second flow path (B), respectively, through the heat exchanger unit (1, 1a, 1b, 1c). The separating element (10a, 10b) further includes second openings (11c, 11d) adapted to align with second heat exchanger openings (3c, 3d) forming outlets of the first flow path (A) and the second flow path (B), respectively. The first openings (11a, 11b) are formed with first valves (12a, 12b) adapted to close for fluid flow to the first (A) and/or the second (B) flow path through the heat exchanger unit (1, 1a, 1b, 1c), and the second openings (11c, 11d) are formed with second valves (17a, 17b) adapted to close for fluid flow from the first (A) and/or second (B) flow path. The first valves (12a, 12b) are formed with valve stems (13a, 13b), each operated by an actuator (14a, 14b), and the second valves (17a, 17b) are connected to the same valve stems (13a, 13b) as the first valves (12a, 12b), thereby providing coordinated control of the first valves (12a, 12b) and the second valves (17a, 17b).

Heat exchanger comprising a pair of headers and a plurality of parallel and coplanar tubes interconnecting the headers, wherein each header comprises a header plate provided with a plurality of slots, in each of which an end of a respective tube is fitted, and wherein the heat exchanger is configured to prevent fluid from flowing into at least one tube, hereinafter dummy tube, arranged at a boundary between functionally different sections of the heat exchanger. The slot of the header plate which receives the end of the respective dummy tube is formed as a blind recess in the header plate.

A heat exchanger includes: a heat exchange body having a plurality of flat tubes arranged and spaced from each other in a horizontal direction; an upper header provided at an upper end of the heat exchange body; a lower header provided at a lower end of the heat exchange body; and a partition plate provided in at least one of the upper and lower headers to partition the heat exchange body into a plurality of regions in a horizontal direction. The partition plate is provided such that in each of the regions, refrigerant flows in the opposite direction to the flow direction of the refrigerant in an adjacent one of the regions, and is provided such that regarding the regions, the more downward the region in the flow of the refrigerant when the heat exchanger operates as a condenser, the smaller a flow passage cross-sectional area of the region.

A heat exchanger includes a plurality of flat tubes, and a header. A flow passage provided inside the header includes a plurality of partition portions each provided between the adjacent flat tubes, a plurality of insertion portions formed between the adjacent partition portions, a first communication passage allowing one ends of the adjacent insertion portions to communicate with each other, and a second communication passage allowing an other ends of the adjacent insertion portions to communicate with each other. A cross-sectional area of the first communication passage is larger than a cross-sectional area of the second communication passage, and the first communication passage is provided with a first refrigerant inlet connected to the flow passage and allowing the refrigerant to flow into the header. Thus, a heat exchanger performance can be improved by reducing a refrigerant pressure loss and by achieving uniform distribution of the refrigerant.

A condenser includes first and second header tanks provided on one side of the condenser, and a third header tank provided on another side of the condenser. A plurality of second heat exchange tubes extend in an extending direction between the second header tank and the third header tank to connect the second header tank and the third header tank. A plurality of first heat exchange tubes are provided to extend in the extending direction between the first header tank and the third header tank to connect the first header tank and the third header tank. The plurality of first heat exchange tubes are directly connected to the first header tank. The plurality of first heat exchange tubes are longer than the plurality of second heat exchange tubes and are positioned downstream of the plurality of second heat exchange tubes with respect to a flow of refrigerant.

A heat exchanger comprises a first header, a second header, a plurality of tubes, and a flow reducer. The first header is connected to a hot fluid inlet and to a cold fluid outlet, so that the first header comprises a hot region and a cold region, separated by a wall. Each of the plurality of tubes provides fluid communication between the first and second headers, including one tube located next to the wall in the hot region of the first header, being called “hot end tube” , and one tube located next to the wall in the cold region of the first header, being called “cold end tube” . The flow reducer reduces the fluid flow in the hot end tube compared to the fluid flow in other tubes located in the hot region.

An evaporator may be provided comprising a manifold, a plurality of micro-channel passageways, a distributor, and a separator. The manifold may comprise a shell defining a cavity. The plurality of micro-channel passageways may extend outwardly from the shell of the manifold, wherein the cavity may be in fluid communication with the plurality of micro-channel passageways. The distributor may comprise an inlet, an elongated body extending into the cavity of the manifold and defining a lumen, and a plurality of openings arranged on an outer surface of the elongated body and spaced along a length of the elongated body, wherein the openings may be configured to allow fluid communication between the lumen and the cavity of the manifold. The separator may be positioned between the plurality of openings within the cavity of the manifold.

A heat exchange assembly comprising: (I) two or more panels; (II) a plurality of channels formed between the two or more panels; and (III) one or more reservoirs located adjacent to the plurality of channels and configured to at least temporarily store a temperature control material, wherein the plurality of channels are configured to direct a flow path of the temperature control material between the two or more panels and provide structural rigidity to the assembly.

A heat exchanger includes a heat exchanger core, an intake tank, and a flow limiting portion. The heat exchanger core includes a stacked heat exchange portion, a distribution portion, and a collection portion. The stacked heat exchange portion defines first fluid flow paths through which a first fluid flows in a first direction, and second fluid flow paths through which a second fluid flows in a third direction. The distribution portion is configured to distribute the first fluid to the first fluid flow paths. The collection portion is configured to collect the first fluid from the first fluid flow paths. The flow limiting portion is configured to suppress an inflow of the second fluid from the intake tank into the distribution portion and the collection portion. The flow limiting portion and the intake tank are provided as a single component.

A heat exchanger having multiple segments is described. The heat exchanger includes a pair of manifolds, having tubes extending therein. Further, a first blocking element is provided in a manifold to divide the tubes into a first set of tubes and a second set of tubes having a fluid communication with each other. Further, a second blocking element is provided in the manifold, corresponding to the second set of tubes, to further divide the second set of tubes into a first segment of tubes and a second segment of tubes. Further, an inlet is provided on the manifold to introduce the heat exchange fluid to the first set of tubes. Further, a plurality of outlets provided on the manifold to receive the heat exchange fluid from the second set of tubes.