Abstract: A method for manufacturing a structural surface heat exchanger of preset or left-hand final shape for an aircraft includes the steps of forming, shaping and assembling, by welding or brazing, a first corrugated skin and a second smooth skin in order to obtain channels. Each channel is delimited by a corrugation of the first skin and the second smooth skin so as to form a structural surface heat exchanger of preset or left-hand final shape, wherein a fluid is configured to circulate in the channels and air is configured to circulate in contact with the second smooth skin.

Abstract: A plate-like fluid container for conducting a fluid, usable for regulating the temperature of an electrochemical system such as batteries, battery stacks and the like, and, in particular traction batteries, having a metallic baseplate and a metallic channel plate adjacent to the baseplate. The channel plate includes at least one channel for conducting the fluid, and the baseplate for thermal contact with the electrochemical system that includes at least one indentation directed toward the channel plate where within the baseplate is welded to the channel plate, with the weld seam on the side of the baseplate facing away from the channel plate.

Abstract: In an electronic component cooling device, a cooler cools an electronic component, a coolant temperature acquisition unit acquires a temperature of a coolant, a coolant flow rate acquisition unit acquires the flow rate of the coolant, a heat loss estimation unit estimates a heat loss from the electronic component, and a loss threshold calculation unit calculates an upper limit threshold of the heat loss from the electronic component based on the coolant temperature and the coolant flow rate. A coolant flow rate control unit controls the flow rate of the coolant and is configured to, in response to an estimated heat loss which is the heat loss from the electronic component that has been estimated by the heat loss estimation unit exceeding the upper limit threshold, increase the flow rate of the coolant circulating through the cooler.

Abstract: A shell and plate heat exchanger includes a shell forming an internal space, and a plate stack housed in the internal space. The plate stack includes a plurality of heat transfer plates stacked and joined together. The shell and plate heat exchanger allows a refrigerant that has flowed into the internal space to be condensed. A refrigerant channel communicates with the internal space and allows the refrigerant to flow through. A heating medium channel is blocked from the internal space and allows a heating medium to flow through. The refrigerant channel and the heating medium channel are alternately arranged between adjacent heat transfer plates. A meandering portion is provided in at least a lower portion of the plate stack. The meandering portion is configured to meander the refrigerant condensed on a surface of each of the heat transfer plates. The meandering portion is provided by processing the heat transfer plates.

Abstract: A method of manufacturing a heat exchanger is provided. The method includes forming a first substrate by additively manufacturing a body defining a first outer surface and a second outer surface opposite the first outer surface, a first partial fluid flow channel formed within the first outer surface, a second partial fluid flow channel formed within the second outer surface, and at least one internal fluid flow channel completely formed within the body, and coupling the first substrate to a second substrate including a partial fluid flow channel formed within a surface of the second substrate such that the first partial fluid flow channel of the first substrate and the partial fluid flow channel of the second substrate combine to form a combined fluid flow channel.

Abstract: A flexible manifold adapted for use on a plate-fin heat exchanger core, the flexible manifold including a plurality of individual layers configured to be metallurgically joined to respective ones of a plurality of layers of the plate-fin heat exchanger core, and further including a first end with at least one port adapted to receive or discharge a medium, a second end distal from the first end, adapted to transfer the medium to or from the plurality of individual layers, a plurality of horizontal guide vanes defining the plurality of individual layers, and a plurality vertical members positioned within each of the individual layers. The flexible manifold is configured to be mechanically and thermally compliant, and can be metallurgically joined to the heat exchanger core by brazing or welding.

Abstract: A base plate for cooling a power electronics device is provided, the base plate comprising cooling fins, the base plate configured to receive the power electronics device directly above the cooling fins, the cooling fins integral to the base plate, the base plate configured to conduct a liquid coolant past the cooling fins.

Abstract: A heat and humidity exchanger comprises panels made up of membrane sheets attached on either side of a separator. Channels extend across each panel between the separator and the membrane sheets. The panels are much stiffer than the membrane sheets. Panels are stacked in a spaced apart relationship to provide an ERV core. Spacing between adjacent panels may be smaller than a thickness of the panels.

Abstract: A stacked plate heat exchanger for a motor vehicle is disclosed. The stacked plate heat exchanger includes a plurality of elongated stacked plates extending in a longitudinal direction and stacked against one another perpendicularly to the longitudinal direction in a stacking direction. First hollow spaces and second hollow spaces are disposed between adjacent stacked plates, through which alternatingly a first medium and a second medium flows. At least one stacked plate has a rib structure disposed on a respective plate surface, structured and arranged to provide a plurality of flow passages within the respective hollow space. The rib structure has a guiding region and two distribution regions. The rib structure differs in the guiding region and in the two distribution regions by shape and size of the plurality of flow passages.

Abstract: A flat tube for a heat exchanger, with two open ends defining its longitudinal direction, may include a first wall and a second wall which are flat and parallel to each other, thereby delimiting the inner space of the tube. The flat tube may include an inner fin located between the first and the second walls. One of the lateral sides of the first wall may include a main fold running along the longitudinal direction, wherein arms of the main fold form a slit facing the inner space of the tube, and the lateral side of the second wall is bent to cover the main fold.

Abstract: The disclosure provides a liquid cooling heat exchanger, comprising a first cover plate, a second cover plate and a fin, the first cover plate and the second cover plate stacked on each other so as to form a chamber therebetween, the fin disposed within the chamber, the first cover plate made of a composite material, wherein there is a bonding layer between the first cover plate and the second cover plate, and the bonding layer has a melting point lower than melting points of the first cover plate, the second cover plate and the fin. The disclosure also relates to a method for making the liquid cooling heat exchanger.

Abstract: The high-efficiency soldering apparatus for a winding head of a flat-wire motor includes a support base, a solder tray, a solder spot isolation and limit plate, a shaft lever and a movable tray. The solder tray is provided at the center of the support base. The solder spot isolation and limit plate is provided on the solder tray. The shaft lever is provided on the support base. The movable tray is provided on the shaft lever. The movable tray is located above the solder tray. The movable tray moves vertically along the shaft lever. A stator is placed at the center of the movable tray, and a winding head of the stator extends below the movable tray.

Abstract: A heat exchanger includes a plurality of cooling plates, a duct plate disposed around the cooling plates and a spacer plate fixed to both the duct plate and the cooling plate to prevent supercharged air from flowing into a gap between the duct plate and the cooling plate. The cooling plate includes cup portions allowing cooling water flow paths of the corresponding two cooling plates to be in communication with each other when the cooling plate is fixed to the adjacent cooling plate. The cooling water flow path formed in the cooling plate includes flow path portions and formed extending in a direction perpendicular to a flow direction of supercharged air from the corresponding cup portions. The cup portions are each formed in a tubular shape having a central axis at a position offset along the flow direction of the supercharged air from a center of the corresponding one of the flow path portions in a flow path width direction.

Abstract: A gas turbine engine guide vane heat exchanger has guide vane heat exchanger including electroformed fluid channels in electroformed heat exchanger tubes or a heat exchanger core disposed within airfoil. Non-flammable heat conducting liquid or non-metallic foam may fill space between tubes or core and airfoil. Fluid circuit may include channels within electroformed heat exchanger tubes or the heat exchanger core and extend from inlet manifold to outlet manifold for directing fluid or oil through channels and include fluid or oil supply inlet connected to inlet manifold for receiving the fluid or oil flowed into inlet manifold and a fluid or oil supply outlet connected to fluid or oil supply outlet for discharging fluid or oil flowed out of fluid or oil outlet manifold. Heat exchanger tubes or heat exchanger core, inlet manifold, outlet manifold, supply inlet and supply outlet may be integrally and monolithically electroformed together.

Abstract: A vehicle condenser which has a substantially parallelepipedic shape and stacked plates, which are parallel to a substantially vertical plane and define alternate coolant chambers and refrigerant chambers between each other. The vehicle condenser is divided into three consecutive groups of refrigerant chambers and includes at least one combination, on one side of the vehicle condenser, of a larger refrigerant outlet, that leads a main flow of refrigerant from one group of refrigerant chambers to a larger refrigerant inlet of a following group of refrigerant chambers, and, vertically opposite to the larger refrigerant outlet, a smaller refrigerant outlet, that leads a residual flow of refrigerant from the one group of refrigerant chambers to a smaller refrigerant inlet of the following group of refrigerant chambers.

Abstract: To obtain, at low cost, a fuel rail that maintains low hardness and good formability before being formed into a tube stock, can be made to form a welded pipe, and has high-strength properties with which the fuel rail can withstand a high fuel pressure even when formed so as to be relatively thin. A fuel rail for gasoline direct injection that is used at a fuel pressure of at least 30 MPa and is formed from an iron-alloy welded pipe. The fuel rail comprises an iron alloy that contains chemical components of C, Si, Mn, P, S, Nb, and Mo. The plate thickness t and the outer diameter D of the fuel rail have a ratio t/D of 0.2 or less. A bainitic structure can be precipitated by brazing the fuel rail in a furnace during manufacturing.

Abstract: A heat exchanger and a method for additively manufacturing the heat exchanger are provided. The heat exchanger includes a plurality of fluid passageways that are formed by additive manufacturing methods which enable the formation of fluid passageways that are smaller in size, that have thinner walls, and that have complex and intricate heat exchanger features that were not possible using prior manufacturing methods. For example, the fluid passageways may be curvilinear and may include heat exchanging fins that are less than 0.01 inches thick and formed at a fin density of more than four heat exchanging fins per centimeter. In addition, the heat exchanging fins may be angled with respect to the walls of the fluid passageways and adjacent fins may be offset relative to each other.

Abstract: Some embodiments relate to constructing a heat exchanger using nanoink as a thermal bond interface between portions of the heat exchanger. The heat exchanger may comprise fins and at least one base. A nanoink may be applied to at least a portion of the fins. The pieces of the heat exchanger may be sintered such that the nanoink melts and forms a bond between the pieces of the heat exchanger. Some embodiments include a second base. Some embodiments incorporate dissimilar materials within the heat exchanger construction.

Abstract: A heat transfer plate comprises a first end area, a heat transfer area and a second end area along a longitudinal center axis of the plate which divides the plate into first and second halves delimited by first and second long sides respectively. The first end area comprises an inlet port hole, a distribution area and a transition area. The transition area adjoins the distribution area and the heat transfer area. The distribution area has a distribution pattern of projections and depressions, the transition area has a transition pattern of projections and depressions, and the heat transfer area has a heat transfer pattern of projections and depressions. An imaginary straight line extends between two end points of each transition projection with an angle relative to the longitudinal center axis. The angle varies between the transition projections and increases from the first long side to the second long side.

Abstract: The invention relates to a brazable three-layered aluminum composite material having at least three layers with at least two different aluminum alloys, whereby an inner layer of the at least three layers is an aluminum brazing layer made from an aluminum brazing alloy, the other layers are configured as covering layers and include at least one further aluminum alloy, wherein the at least one further aluminum alloy has a higher solidus temperature than the liquidus temperature of the aluminum brazing alloy. The individual covering layers have a thickness which exceeds the thickness of the aluminum brazing layer by at least a factor of 1.5, preferably by a factor of 5. The brazable aluminum composite material is simply structured, has good brazing properties for the production of butt-joint brazing connections, significantly reduces the risk of a ‘burning through’ of brazed-on components and provides sufficient mechanical properties.

Abstract: The invention provides methods of making laminated devices (especially microchannel devices) in which plates are assembled and welded together. Unlike conventional microchannel devices, the inventive laminated devices can be made without brazing or diffusion bonding; thus providing significant advantages for manufacturing. Features such as expansion joints and external welded supports are also described. Laminated devices and methods of conducting unit operations in laminated devices are also described.

Abstract: A sheet forming tool (1) for the manufacture of a corrugated sheet has a lower tool element (40) and an upper tool element (50), each of the upper tool element and the lower tool element having a front side (23, 33, 41) and a rear side (25, 35, 42). The lower tool element (40) comprises a first base element (2, 4, 6, 8) and a first finger element (3, 5, 7, 9) projecting from said first base element (2, 4, 6, 8). The first finger element (3, 5, 7, 9) forms a first ridge (22, 24, 26, 28) for forming a corrugation peak in the sheet. The upper tool element (50) comprises a second base element (12, 14) and a second finger element (13, 15) projecting from said second base element (12, 14), the second finger element (13, 15) forming a second ridge (32, 34) for forming a corrugation trough in said sheet.

Abstract: The invention describes a method for producing a plate heat exchanger 1. Wavy profiled sheets 9 and separating sheets 10, together with sidebars 11, are stacked one above the other, provided with solder and soldered together in such a way that a block 2 is obtained. The block is closed off outwardly by means of the cover sheets 12. The contours of the intermediate pieces 3 are milled out at the respective positions 4 on the block 2 thus obtained. In a refinement of the invention, frames are used as intermediate pieces 3. The frames 3 are positioned in the milled-out portions at the positions 4, provided with solder and tacked on by means of spot welding. Subsequently, in a second step, the frames 3 are soldered onto the heat exchanger block 2. The headers 5a and 5b are in each case welded onto the frames 3.

Abstract: A tube assembly for use in a heat exchanger is made by arranging a first corrugated fin structure between one broad, flat side of a tube and a side sheet, and arranging a second corrugated fin between another broad and flat side of a tube and another side sheet. Compressive forces are applied to the opposite faces of the side sheets to place crests and troughs of the corrugated fin structures into contact with the side sheets and the broad, flat sides, and the assembly is brazed.

Abstract: A heat exchanger for an aircraft engine includes: a body including a plate-like first member and a plate-like second member that are stacked in a thickness direction of the first and second members and joined together, and a channel which is defined in the body and in which the cooling target fluid flows; and a corrugated fin plate disposed in the channel in the body. The body is bent along a curved surface to which the heat exchanger is attached. A plurality of heat dissipation fins stand on an outer surface of at least one of the first member or the second member.

Abstract: In at least some implementations, a shell and plate heat exchanger includes a shell and a core. The shell defines at least part of an interior and has a lid and a main body to which the lid is coupled in assembly. The core may be received in the interior and have a plurality of modules. Each module may include a plurality of cassettes of heat transfer plates, and the modules may be releasably coupled together to enable nondestructive decoupling of at least one module from the core. To permit nondestructive removal of the lid from the main body, the lid and main body may be releasable coupled together.

Abstract: A heat transfer cell includes first and second heat transfer plates which have first and second heat transfer areas, and first and second flanges bent from the first and second heat transfer areas so as to have a height difference with respect to the first and second heat transfer areas. The first and second heat transfer plates are joined into a cell body so as to be opposite to each other in a mirror image, and the cell body having a first fluid passage therein, weld lines formed along the first contacting each other and along the second flanges contacting each other, and external recesses formed outside the heat transfer areas for second fluid passages intersecting with the first fluid passage at a right angle.

Abstract: A method of making a package for a fuel unit, a fuel unit including the package, and a hydrogen generator including one or more of the fuel units are disclosed. The package includes a package strip made by forming apertures in a nonconductive substrate strip, forming conductor sections in a conductor strip, aligning the substrate and conductor strips, bonding the conductor sections to the substrate strip to cover the apertures, and removing non-bonded portions of the conductor strip. A package enclosing a hydrogen generating reactant is formed by securing a segment of the package strip to itself, to one or more other segments and/or to one or more other package components. One or more conductor sections in the package strip are in thermal contact with one or more quantities of reactant composition so heat can be transferred thermally decompose the reactant composition and generate hydrogen gas.

Abstract: An artificial flower and the associated method of its manufacture. To produce the artificial flower, two films of material are laminated. The films of material have markedly different coefficients of thermal expansion. The laminate is formed into a curve shape. Petals and leafs are cut from the laminate. The petals and leafs are cut at different orientations across the curved shape. Accordingly, various petals and leaves change shape in different manners in response to changes in temperature. The various petals and leafs are then formed into an artificial flower.

Abstract: A heat exchanger arrangement, for example for an internal combustion engine, having a brazed radiator block (1) which has flow paths (10) formed from pairs of plates and has flow ducts (3) between the plate pairs (P), wherein in each case at least one plate (11) of each plate pair has a plate elongation (12), and wherein the brazed radiator block is arranged in a housing (2) and, at its circumference, is sealed off with respect to the housing. To improve the sealing action between the radiator block (1) and the housing (2), it is provided according to the invention that the plate elongations (12) are formed such that a prescribed dimension of the brazed radiator block (1) can be set by means of deformation of the plate elongations (12).

Abstract: A solar thermal collector including a carrier, channels and a solar selective coating is provided. The channels are embedded in the carrier for a heat transfer fluid flowing therein. The solar selective coating is deposited on an outer surface of the carrier. The solar selective coating includes a damping layer, an absorbing layer and an anti-reflecting layer. The damping layer is deposited on the outer surface of the carrier. The absorbing layer is deposited on the damping layer, wherein the absorbing layer has a transition region including plural sub-layers and located adjacent to the damping layer. The anti-reflecting layer is deposited on the absorbing layer, wherein a light beam is adapted to enter the absorbing layer through the anti-reflecting layer, and irradiation energy of the light beam is transformed by the collector into thermal energy, which is then transmitted to the heat transfer fluid in the channels.

Abstract: The invention relates to a plate heat exchanger with at least two heat exchanger blocks. Each heat exchanger block has several sheets, arranged parallel to one another, that form a plurality of heat-exchange passages for fluids. The heat exchanger blocks are joined to one another via joining means and have at least one common header. A metal foam, that joins the outside surfaces of adjacent heat exchanger blocks to one another, is introduced into an interspace of adjacent heat exchanger blocks. In this way, a blanket heat-conductive and non-positive joining is provided between the opposing outside surfaces of adjacent heat exchanger blocks.

Abstract: A method of making a fluid cooled assembly that incorporates a base that forms a partial enclosure defining an interior void space and having a top wall that has a top surface and that defines at least one opening through the top wall to the void space, the base further defining fluid entrance and exit ports into the void space, the top wall being made of material that can be friction stir welded. A lid having a size and shape substantially conformal to the opening, having a top surface and a bottom surface that defines a set of downwardly extending pins, and that is formed of a material that can be friction stir welded to the base is placed into the opening so that the lid top surface is flush with the top surface of the base top wall and friction welding the lid to the base.

Abstract: A system for producing heat-sink assemblies in which a series of extruded members possess mating faces, each face having an alternating series of troughs and bulbous-shaped ridges which are formed from the sides of the troughs. Mating ridges of one face of each extruded member are dipped with a thermally conductive compound prior to press-fitting and at least some of the ridges and troughs possess a groove that when mated to an opposing region of an adjacent extruded member produces a reservoir that serves as a feeder source for thermally conductive compound. Once the extruded members are press fitted, portions of the bulbous-shaped ridges on one face are forced past portions of the bulbous-shaped ridges of the opposing face and into the troughs. Deformation of the bulbous-shaped ridges is uniformly expansive so as to reduce shearing relative to the surfaces of the troughs, and the formed reservoirs are further compressed and feed thermal compound into the interstices between mating members.

Abstract: There is provided a thermal interface material, TIM, a thermal interface application comprising such a TIM, and corresponding methods for providing the material and the thermal interface. The TIM comprises a TIM layer in which an activable shrinkage material is distributed, such that upon activation of the shrinkage material the thickness of the TIM layer is increased. In the thermal interface application, where the TIM (400) is arranged between a heat generating component (20) and a heat conducting element (30), the increase in thickness of the TIM layer is utilized to increase the contact pressure on mating surfaces.

Abstract: Disclosed is a method for producing a permanently joined plate heat exchanger comprising a plurality of metal heat exchanger plates having a solidus temperature above 1100° C., provided beside each other and forming a plate package with first plate interspaces for a first medium and second plate interspaces for a second medium, wherein the first and second plate interspaces are provided in an alternating order in the plate package. Each heat exchanger plate comprises a heat transfer area and an edge area which extend around the heat transfer area. The heat transfer area comprises a corrugation of elevations and depressions, wherein said corrugation of the plates are provided by pressing the plates. Also disclosed is a plate heat exchanger produced by the method.

Abstract: A manufacturing method of vapor chamber structure is disclosed. The vapor chamber structure includes a main body and a working fluid. The main body has a condensation section and an evaporation section and a chamber. The condensation section and the evaporation section are respectively disposed on two sides of the chamber. The evaporation section has a first face and a second face. A raised section is formed on the first face. The working fluid is filled in the chamber. The raised section is formed by means of mechanical processing as a support structure for enhancing the structural strength of the vapor chamber structure. The vapor chamber structure is manufactured at a much lower cost.

Abstract: A plate for the use in a heat exchanger cassette, where the plate comprises a corrugated pattern having a plurality of ridges (9) and valleys (10), and where the plate comprises a sealing gasket groove (3) encircling a heat transfer surface (8) that will be part of a contact-free fluid channel when two cassettes comprising at least one plate each are positioned adjacent each other, wherein the sealing gasket groove (3) comprises a base surface with a first, flat section (12) and a second, bent section (13), and where the bent section is angled with the angle ?. The advantage of the inventive plate is that an airtight heat exchanger cassette can be obtained in an easy and cost-effective way.

Abstract: A fitting assembly containing a fitting, a first plate and a second plate are provided. The first plate has a first plate wall and a first-plate aperture, the first-plate wall being positioned along an edge of the first plate defining the first-plate aperture. The second plate has a second-plate wall and a second-plate aperture, the second-plate wall being positioned along an edge of the second plate defining the second-plate aperture. The fitting assembly having the fitting being sandwiched between the first plate wall and the second plate wall. Also disclosed is a heat exchanger having the fitting assembly as described herein, and a method of forming the fitting assembly.

Abstract: A manufacturing method and structure of a heat exchanger for a bathing shower involves two plates welded together to form a passage for cold water. Hot water from the shower drips onto the upper plate and transfer heat to cold water flowing through the passage between the plates. The upper plate may be spot welded to the lower plate at bottoms of frustoconical indentations in the lower plate, the plates may sandwich an adiabatic layer, and/or the passage between the plates may be formed by pipes situated between the plates.

Abstract: A multi-paneled cooling module adapted to be mounted to an engine exterior protects electronic components such as sensors and associated wiring from heat loads of the engine and/or other heat generating engine devices. The module is formed of wall and ceiling panels having a relatively high thermal conductivity, such as aluminum. The cooling module, which includes strategically situated integral coolant passages within several of its panels, is adapted to protect all enclosed electronic components, including electronic pressure sensors, an EGR valve, and all associated wiring and wiring harnesses. For example, the sensors, harnesses, and valve components associated with and proximal to an EGR venturi may be fully protected from overheating, in spite of exposure of those components to massive heat loads generated by the venturi. Finally, the cooling module may incorporate additional cooling accommodation for hydraulic oil cooling if, for example, the EGR valve is hydraulically actuated.

Abstract: The invention relates to a plate heat exchanger, which comprises a plate pack formed by corrugated heat exchange plates with openings for the flow of a first and a second heat exchange medium. The outer shell of the plate heat exchanger (1) has been formed by arranging separate strips (9, 9?) in the outer edge of the plate pack (2) so that the outer surfaces of the strips (9, 9?) are substantially in the same plane with the outer edges of the heat exchange plates (6, 6?), and by welding the strips (9, 9?) and the outer edges of the heat exchange plates (6, 6?) to each other.

Abstract: A thermal interface material (TIM) pad is disclosed for dissipating heat from a component. The TIM pad includes a plurality of thermal interface material layers and at least one graphene layer interposed between the plurality of TIM layers. A method for forming the TIM pad includes stacking the plurality of TIM layers with at least one graphene layer interposed between the plurality of TIM layers to reach a length for the TIM pad. The stacked layers are cut corresponding to a thickness for the TIM pad for compression against the component.

Abstract: A method of constructing an inner glass-lined steel tank is described. The lower edge of the top dome shell is machined wherein a smooth angulated surface is formed between an outer and an inner surface of the top dome shell to form a smooth angulated surface to eliminate abrupt transition edges. Also, couplings are machined and press-fitted into the tank wall to form smooth surfaces with the inner surface of the tank. When the porcelain enamel is sprayed inside the tank there are no sharp edges which often results in defects due to the fact that the porcelain enamel is not properly adhered thereto. Such defects eventually cause corrosion within the inner tank and greatly reduce the life expectancy thereof as well as the life expectancy of the sacrificial anode connected to the tank and extending therein.

Abstract: A Plate and Shell type plate heat exchanger, which comprises an inner shell (9) completely surrounding a plate pack (2) and inner end plates (11a, 11b) in the direction of the ends of the plate pack. The inner shell (9) is by its inner surface arranged into contact with the outer edge of the baffle plates (8a, 8b) arranged on the surface of the plate pack and by its outer surface the inner shell (9) is arranged to support itself against the inner surface of the shell (3) of the outer casing of the heat exchanger. The inner end plates (11a, 11b) are supported by their outer surface against the inner surface of the end plates (4a, 4b) of the outer casing.

Abstract: Entrainment heat sink devices and methods of forming entrainment heat sink devices are described herein. One or more method embodiments include forming an opening through a first material, forming a dimple having a trapezoidal-cross section in the first material such that the opening is located on a side wall of the trapezoidal cross-section, and attaching the first material to a second material, wherein the first material or the second material has a trench formed therein and the first material is attached to the second material such that the trench is in fluidic communication with the dimple.

Abstract: A filling body, comprising a plurality of plastic foils, which are undulated, wherein a plastic foil has a plurality of connecting elements for connecting a plastic foil to other plastic foils via a plurality of form-fitting connections. The filling body is configured such that two plastic foils are connected to a plastic foil pair, and plastic foil pairs are connected to other plastic foil pairs. The connecting elements are positioned on the plastic foils such that upon joining two plastic foils to a plastic foil pair, the still unconnected connecting elements can be joined into connecting element pairs on opposite sides of the two plastic foils. The connecting element pairs are located exclusively in the vicinity of the edges of the two plastic foil pairs.

Abstract: An EGR cooler for an engine. The cooler has a housing with fittings on opposite ends for securement to mating fittings in the engine exhaust system to circulate exhaust through heat exchange tubes in the housing. Coolant inlet and outlet fittings compatible with mating fittings in the engine receive coolant and circulate the coolant in heat exchange relationship with the exhaust gas in the tubes. The cooled gas is then directed to the engine intake manifold to reduce emissions. A method of rebuilding salvaged EGR coolers is also disclosed in which the existing heat exchange components are removed from said salvaged stock EGR cooler and replaced with heat exchange tube sub-assemblies. Exhaust fittings are then welded to the ends of the housing.

Abstract: An apparatus includes a first flow panel and a second flow panel. The first flow panel includes a first flow portion and a second flow portion. The first flow portion defines a flow passageway within which a gas can flow in a first direction. The second flow portion defines a set of microchannels in fluid communication with the flow passageway and within which the gas can flow in a second direction, where the second direction is nonparallel to the first direction. The first flow panel is coupled to the second flow panel to define a heat transfer passageway within which a heat transfer medium can be conveyed in a third direction, where the third direction is opposite the first direction. In such embodiments, the heat transfer passageway is fluidically isolated from the flow passageway and the set of microchannels by a thermally conductive side wall.

Abstract: A heat dissipation device and a manufacturing method thereof. The heat dissipation device includes a main body and at least one fixing hole. The main body has a first board body and a second board body corresponding to the first board body. The first and second board bodies are mated with each other to define a chamber. A working fluid and multiple support pillars are disposed in the chamber. At least one capillary structure is disposed on a surface of the chamber. The fixing hole is formed on the main body in a position where any support pillar is positioned. The fixing hole passes through the first and second board bodies and the support pillar. According to the above arrangement, the airtightness of the chamber of the main body can be ensured. Also, the heat spreader can be tightly connected with other components.