A reservoir and a liquid-cooling radiator are disclosed. The reservoir includes a reservoir body and at least one partition mounted in the reservoir body. The reservoir body has an end panel and a peripheral side panel that is integrally formed and connected with the end panel. The peripheral side plate extends from a peripheral edge of the end panel in a same direction. A liquid chamber is formed and surrounded by the end panel and the peripheral side panel. The peripheral side plate has two side plate portions located on opposing two sides of the end panel. The reservoir body is formed with U-shaped strips extending along inner walls of one side plate portion, the end panel and the other side plate portion in sequence. The U-shaped strips are spaced and arranged in pair. A groove is formed between the paired U-shaped strips.

A water-cooling heat dissipation device includes a water cooling head, a delivering structure, a water-cooling radiator, and a water pump. The water-cooling head includes a chamber. The delivering structure is disposed on the water-cooling head and includes a water delivery column. The water delivery column includes a first and a second water passages. The first and second water passages are connected to the chamber. Multiple first and second slot holes are disposed on the first and second water passages respectively. The water-cooling radiator includes multiple tubes. A window is formed in the water-cooling radiator by splitting each tube. The water delivery column inserts in the window. Each first and second slot holes are welded to the nozzles of the tubes. Therefore, the problem of water leakage may be solved effectively.

A stacked panel tube bundle for an air cooled steam condenser having two sets of condensing tubes, one set arranged above the other, the first (lower) set of tubes in direct fluid communication with a combined steam delivery/condensate collection manifold at a bottom end and in indirect fluid communication with a non-condensable collection manifold via an L-shaped extension member; the second (upper) set of tubes in direct fluid communication with the non-condensable collection manifold at the top, and in indirect fluid communication with the combined steam delivery/condensate collection manifold via an L-shaped extension member.

A heat exchanger is provided. The heat exchanger comprises: a first header comprising a first globe and a second globe; a second header disposed in parallel with the first header; a tube assembly comprising multiple first tubes for connecting the first header and the second header and causing a refrigerant introduced from the first globe to flow in a first direction toward the position of the second header, and multiple second tubes disposed continuously with the multiple first tubes so as to cause a refrigerant introduced from the second header to flow in a second direction that is opposite to the first direction; and multiple heat exchange-fins individually having multiple insertion portions, into which the multiple first tubes and the multiple second tubes are inserted, respectively, and heat exchange surfaces disposed between the multiple insertion portions. The first heat-exchange fin, which is adjacent to the first header among the multiple heat exchange fins, has a heat-exchange surface including a first surface having a louver formed thereon, and a second surface formed to be flat and adjacent to insertion portions into which multiple second tubes are inserted. The second heat-exchange fin, which is adjacent to the second header, has a heat-exchange surface including a first surface.

A heat exchanger includes tubes, a pair of tanks, and a connector. The tubes are stacked with each other in a stacking direction. The pair of tanks are disposed at both ends of the tubes and a longitudinal direction of the tanks extends along the stacking direction. At least one of the tanks is a connecting tank. The connector is disposed in a side portion of the connecting tank to fluidly connect a pipe to the connecting tank. The connecting tank has a tubular shape and includes a flat surface on the side portion. The connector includes a facing surface facing the flat surface. The facing surface is joined to the flat surface such that at least a portion of the facing surface extends beyond the flat surface in a lateral direction of the connecting tank.

A stiffener for a heat exchanger includes a top plate and at least two legs extending from opposing sides of the top plate. Each of the at least two legs includes a bent portion, an angled portion, and a straight portion. The bent portion attaches the leg to the top plate. The angled portion increases a width of the stiffener from a width of the top plate. The straight portion extends perpendicular to a plane of the top plate.

A collector tube for a heat exchanger, which may have at least one flat tube, may include a base and a cover arranged opposite one another and embodying a longitudinal duct. The base may have at least one passage having an opening for accommodating the at least one flat tube of the heat exchanger. The at least one passage may have a collar, which may extend away from the longitudinal duct. The cover may have at least one notch, which may be located opposite the at least one passage and which may be embodied for accommodating a subarea of the at least one flat tube.

A first connection portion is located on one side of a predetermined flow path member in a plane direction. The predetermined flow path member and another flow path member are bonded by brazing at the first connection portion. A second connection portion is located on the other side of the predetermined flow path member. The predetermined flow path member and another flow path member are bonded by brazing at the second connection portion. A brazing material layer extends over the predetermined flow path member, the first connection portion, and the second connection portion. A hilling portion is a portion of the predetermined flow path member. The hilling portion is curved to protrude toward a side on which the brazing material layer is provided. The hilling portion extends along a direction in which the first connection portion or the second connection portion extends.

An air conditioner for a vehicle includes: a condenser that includes a core for allowing heat exchange between a refrigerant discharged from a compressor of a refrigeration cycle and air; and a switching unit that switches a refrigerant passage in the condenser. The switching unit switches the refrigerant passage between a first refrigerant passage that allows the refrigerant to flow throughout the core, and a second refrigerant passage that allows the refrigerant to flow through a part of the core by allowing the refrigerant discharged from the compressor to flow into a middle part of the core.

A heat exchanger according to the present disclosure includes plural heat transfer tubes disposed with a specified spacing from each other in the up and down direction, and a distributor configured to distribute refrigerant to the heat transfer tubes. The distributor includes a body part, and plural flow-splitting parts, the body part including a first passage in which refrigerant flows upward, the flow-splitting parts communicating with the first passage and with one of the heat transfer tubes. The flow-splitting parts include one or more first flow-splitting parts each communicating with a first heat transfer tube, which is a higher positioned heat transfer tube. The flow-splitting parts include one or more second heat transfer tubes each communicating with a second heat transfer tube positioned below the first heat transfer tube. The refrigerant inlet of the first flow-splitting part through which refrigerant enters from the first passage communicates with the first passage at a location below the refrigerant inlet of the second flow-splitting part that communicates with the first passage at the highest location.