Abstract: A heat exchanger has a plurality of paths as refrigerant paths, and at least one of the plurality of paths has a coexistent path, in which both of a parallel flow portion where refrigerant flows from a heat transfer tube of one of the tube rows to a heat transfer tube of a tube row which is on a downstream side of the one tube row in terms of an air flow direction, and a counter-flow portion where refrigerant flows from a heat transfer tube of one of the tube rows to a heat transfer tube of a tube row which is on an upstream side of the one tube row in terms of the air flow direction, exist in use both as a condenser and as an evaporator.

Abstract: A plate heat exchanger comprises plural heat exchanger plates and at least one adapter plate, which each extend parallel with a main extension plane. The heat exchanger plates form a plate package with first and second plate interspaces for first and second mediums. Each heat exchanger plate has four port holes extending through the plate package. The heat exchanger plates comprise outermost heat exchanger plates. Two of the plate interspaces form a respective outermost plate interspace at a respective side of the plate package, which are delimited outwardly by a respective one of the outermost heat exchanger plates, and the adapter plate is outside one of the outermost heat exchanger plates. A distance plate between the adapter plate and one of the outermost heat exchanger plates has at least two port holes concentric with each of the respective port holes of the outermost heat exchanger plates and the adapter plate.

Abstract: A heat dissipation unit is provided and includes a casing and a heat pipe. The casing has a casing chamber which contains therein a working fluid. Casing capillaries are disposed on an inner wall of the casing chamber. The heat pipe has an open end and a closed end. A heat pipe chamber is defined between the open end and the closed end and communicates with the casing chamber through the open end. Heat pipe capillaries are disposed on an inner wall of the heat pipe chamber and are in capillary connection with the casing capillaries through the open end of the heat pipe.

Abstract: The present invention discloses an external thermal conduction interface structure of electrical equipment wherein a fluid jetting device is utilized to jet a thermal conductive fluid for exchanging heat with the external thermal conduction interface structure of electrical equipment via the thermal energy of the jetted thermal conductive fluid, the heat exchange means includes the external thermal conduction interface structure of electrical equipment having relative high temperature being cooled by a fluid have relative lower temperature, and external thermal conduction interface structure of electrical equipment having relative lower temperature being heated by a fluid having relative higher temperature.

Abstract: An oil cooler for a vehicle includes an inflow tank through which a working fluid flows in. An outflow tank is spaced apart from the inflow tank by a predetermined interval and has a discharge hole at one side which faces the inflow tank. A plurality of tubes connect the inflow tank with the outflow tank longitudinally such that the working fluid flows therethrough. A bypass valve is integrally mounted at an outer side of the one end portion of the inflow tank and connected to an inner side of the inflow tank to bypass or flow the working fluid flowed therein into the inflow tank by selectively opening and closing according to a temperature of the working fluid. An outflow pipe has one end mounted to the discharge hole and another end thereof mounted to the bypass valve to connect the outflow tank with the bypass valve.

Abstract: The present teachings provide for a heat exchanger assembly including a shroud, a heat exchanger, a pin, and a bead. The shroud can include a body and a first mount. The body can define a first aperture and a second aperture that can be fluidly coupled to the first aperture. The first mount can define a first surface. The heat exchanger can include a platform that can define a second surface. The pin can be fixedly coupled to and extend outwardly from one of the first or second surfaces and can be received in an aperture that is defined by the other of the first or second surfaces. The bead can be fixedly coupled to and extend from one of the first or second surfaces. The bead can be disposed about the aperture and compressed between the first and second surfaces.

Abstract: A leeward tube row of an evaporator includes first to third tube groups, and a windward tube row thereof includes fourth and fifth tube groups. Within a third section of a leeward upper header portion with which heat exchange tubes of the third tube group communicate, a resistance member for flow division is provided so as to divide the interior of the third section into a first space which the heat exchange tubes face, and a second space which is separated from the first space and into which refrigerant flows. The resistance member for flow division has a plurality of refrigerant passage holes. The leeward upper header portion has a flow cutoff member for preventing flow of refrigerant into the first space of the third section. The third section of the leeward upper header portion communicates with the fourth section of the windward upper header portion via refrigerant communication passages.

Abstract: The present invention relates to a heat exchanger header, wherein said header includes a lower portion (3) having two longitudinal edges (7), an upper portion (4) forming a cover, and at least one flange (9, 10, 30). According to the invention, said flange (9, 10, 30) has a profile (11, 17, 37) that enables the longitudinal edges (7) of the header, which are provided at least locally folded, to be received at the flanks (12, 19, 38) thereof, so as to simultaneously crimp the flange (9, 10, 30) onto said cover (4) and retain the cover (4) on said lower portion (3).

Abstract: An installation frame for a heat exchanger, in particular for a heat exchanger in particular for installation in an air-conditioning system for motor vehicles, having frame elements that encompass the heat exchanger at the short sides thereof arranged parallel to the air flow direction, whereby the frame elements are connected to one another, and whereby the installation frame is in the form of a sealing element.

Abstract: A stacking-type header according to the present invention includes: a first plate-shaped unit; and a second plate-shaped unit, in which the first plate-shaped unit or the second plate-shaped unit comprises at least one plate-shaped member having formed therein: a flow passage formed in the first plate-shaped member through which the refrigerant passes to flow into the plurality of first inlet flow passages; and a flow passage formed in the second plate-shaped member through which the refrigerant passes to flow into the second inlet flow passage, and in which the at least one plate-shaped member has a through portion or a concave portion formed in at least a part of a region between the flow passage through which the refrigerant passes to flow into the plurality of first inlet flow passages and the flow passage through which the refrigerant passes to flow into the second inlet flow passage.

Abstract: A system according to an exemplary aspect of the present disclosure includes, among other things, a control unit and a heat pipe heat exchanger having a first heat pipe and a second heat pipe. The system also includes a first flow regulator selectively adjustable in response to instructions from the control unit to direct a first flow of fluid over a portion of the first heat pipe. Further, the system includes a second flow regulator selectively adjustable in response to instructions from the control unit to direct a second flow of fluid over a portion of the second heat pipe. A method is also disclosed.

Abstract: A heat exchanger can include a stacked array of interconnected fluid transfer members. The stacked array of interconnected fluid transfer members can include a first fluid transfer member, a second fluid transfer member, a third fluid transfer member, and a fourth fluid transfer member. The first fluid transfer member can include a liquid passageway extending lengthwise though the first fluid transfer member and a set of helical fins extending outwardly from an outer surface of the first fluid transfer member and rotating along a length of the first fluid transfer member. The stacked array of interconnected fluid transfer members can form a jointless structure.

Abstract: Each fin 30 is designed to have continuous lines of wave crests 34 and continuous lines of wave troughs 36 arranged at a preset angle in a specific angle range of 10 degrees to 60 degrees relative to the main stream of the air flow and symmetrically folded back about folding lines of a preset folding interval W along the main stream of the air flow. A ratio (a/p) of an amplitude ‘a’ of a waveform including one wave crest 34 and one adjacent wave trough 36 to a fin pitch ‘p’ satisfies a relation of 1.3×Re?0.5<a/p<0.2. A ratio (W/z) of the folding interval W to a wavelength ‘z’ of the waveform satisfies a relation of 0.25<W/z<2.0. A ratio (r/z) of a radius of curvature ‘r’ at a top of the wave crest 34 or at a bottom of the wave trough 36 to the wavelength ‘z’ of the waveform satisfies a relation of 0.25<r/z.

Abstract: A device (4) is for connection between a component (2) of an air-conditioning loop (1) and a heat exchanger (3), including at least one channel (6.1, 6.2) through which a fluid (9.1, 9.2) can flow. The device includes an inner part (11) having at least one collar (12.1, 12.2) at least partially defining a channel (10.1, 10.2) and capable of engaging with an opening (6.1, 6.2) of the exchanger (3), and an outer part (15) mounted against the inner part (11), having at least one end piece (16.1, 16.2) at least partially defining the channel (10.1, 10.2) and capable of engaging with an opening of the component (2). The invention also relates to a heat exchanger provided with the connection device (4).

Abstract: A heat sink comprises a first thermally conductive base having a first face to thermally engage a heat-generating electronic component and a second thermally conductive base with a plurality of fins on a first face and a second face to engage the first base. The fins on the second base are positionable in either of two orientations relative to the heat-generating electronic component to which the heat sink is coupled. The fins are selectively placed in the orientation that best utilizes the direction of air flow available to the heat sink. The orientable fins of the heat sink afford flexibility in arranging the heat-generating electronic component on a circuit board or in arranging a circuit board within a computer chassis.

Abstract: A heat sink with shape-optimized fins provides for improved heat transfer. Synthetic jets create vortices which enhance heat transfer and cooling of downstream fins, while the shape of the fins limits pressure drop in the flow over the cooling fins.

Abstract: A subterranean ground heat exchange system, a method of installation, and a grout composition therefor. The grout composition is a pumpable slurry formed of from about 70 to about 85 parts by weight natural flake graphite and from about 30 to about 15 parts by weight bentonite. The solids content of the pumpable grout slurry is preferably at least 35% by weight and is more preferably at least 40% by weight. The ground exchange apparatus preferably utilizes an improved supply and return header comprised of supply and return ports which are provided through the vertically extending outer wall of a header housing. The header also includes an interior supply conduit which extends from the supply port into the interior of the header housing and includes a bend positioned in the interior of the housing for directing the heat transfer fluid downwardly.

Abstract: A floor-positioned air-conditioning apparatus including a housing including a fan and a heat exchanger; a forward blowing control member rotatably arranged at a forward air outlet formed in a housing front surface at a position near a housing top surface; and an upward blowing control member rotatably arranged at an upward air outlet formed near the housing front surface are included. The forward blowing control member closes the forward air outlet and the upward blowing control member closes the upward air outlet during operation stop. The forward blowing control member closes the forward air outlet and the upward blowing control member is rotated and opens the upward air outlet during cooling operation. The upward blowing control member closes the upward air outlet and the forward blowing control member is rotated and opens the forward air outlet during heating operation.

Abstract: A system and method of cooling and ventilating for an electronics cabinet is disclosed. In a particular embodiment, the system includes a cooling unit and a distribution unit in communication with the cooling unit to blow supply air through at least one main supply line. The system further includes at least one supply branch line connected to the at least one main supply line, at least one cabinet supply line connected to the at least one supply branch line, and at least one cabinet having an inlet port and an exit port, wherein the at least one cabinet supply line is connected to the inlet port. In addition, the system includes at least one cabinet return line connected to the exit port and a main return line to receive air exiting from the at least one cabinet, wherein the main return line is in communication with the cooling unit.

Abstract: A heat exchanger for a vapor compression system includes a shell, a distributing part disposed inside of the shell to distribute a refrigerant, a tube bundle and a trough part. The tube bundle includes a plurality of heat transfer tubes disposed inside of the shell below the distributing part. The tube bundle includes a falling film region disposed below the distributing part, an accumulating region disposed below the falling film region, and a flooded region disposed below the accumulating region at a bottom portion of the shell. The trough part extends under at least one of the heat transfer tubes in the accumulating region to accumulate the refrigerant therein. The trough part at least partially overlaps with the at least one of the heat transfer tubes in the accumulating region when viewed along a horizontal direction perpendicular to the longitudinal center axis of the shell.