Abstract: An anilox roller for flexographic printing machines, which comprises a sleeve cylinder rotatably supported about its own axis by the fixed structure of a flexographic printing machine, and an anilox sleeve, which has a tubular body provided, on its outer side wall, with an anilox surface which can be axially fitted on and removed from the sleeve cylinder. Forced circulation of a temperature control fluid within the tubular body is further provided.

Abstract: The present invention concerns a novel thermal sheet, which is divided into at least two passages by means of rolling or welding seams, and thermal sheet modules constructed thereof, wherein the passages are connected through common feed and discharge lines for a cooling or heating agent supply. Such thermal sheets are referred to as multi-passage thermal sheets. The present invention concerns further a heat exchanger having an outer cover, at least two heat transfer modules, at least one of which represents a multi-passage thermal sheet module according to the invention, and feed and discharge lines for a cooling or heating agent supply which are connected with the heat transfer modules, wherein the feed and discharge lines within the outer cover of the heat exchanger are brought together.

Abstract: A core catcher includes a holding surface that catches and holds corium and that introduces a surrounding coolant into the core catcher and cool the core catcher by heat exchange with the introduced coolant. The holding surface and the cooling unit are constructed by arranging blocks which each include a polyhedron having at least one pair of parallel surfaces and having an opening portion formed in a surface located in a lateral direction when a first surface that is one of the parallel surfaces is arranged as a bottom surface and are configured such that the polyhedrons communicate with each other via the opening portion when the polyhedrons are arranged adjacent in the lateral direction. The core catcher can achieve easier installation of the blocks without an increase in installation cost.

Abstract: A method and device for coating with polyimide solution are provided. The method includes the following steps: placing a glass substrate onto a support surface to form a face contact therebetween; heating the glass substrate to a preset coating temperature through the support surface; and coating the glass substrate with the polyimide solution. With the glass substrate heated before being coated, the polyimide solution diffusion and solvent evaporation during coating can be accelerated, which is conducive to controlling the temperature uniformity and consistency and preventing the cloud-like spots. The glass substrate in face contact with the support plate is more conducive to being fully heated, and can prevent the glass substrate from being heated non-uniformly due to the contact of the glass substrate with the supporting legs, thereby preventing the foot-like spots.

Abstract: Cooling systems and methods are provided which include a heat sink having a housing with a compartment, a coolant inlet, and a coolant outlet. The housing is configured for a coolant to flow from the coolant inlet through the compartment to the coolant outlet, wherein the coolant is transferring heat extracted from one or more electronic components. The heat sink further includes one or more heat pipes having a first portion disposed within the compartment of the housing and a second portion disposed outside the housing. The heat pipe(s) is configured to extract heat from the coolant flowing through the compartment, and to transfer the extracted heat to the second portion disposed outside the housing. The second portion outside the housing is disposed to facilitate conducting the extracted heat into the ground.

Abstract: Translators coupleable to opposing surfaces of microelectronic substrates for testing, and associated systems and methods are disclosed. An arrangement in accordance with one embodiment includes a microelectronic substrate having a first major surface, a second major face facing opposite from the first major surface, and electrically conductive through-substrate vias extending through the substrate and electrically accessible from both the first and second surfaces.

Abstract: A heat exchange device for an automotive vehicle. In one embodiment, the heat exchange device has at least one metal foam and a thermal member, in direct contact with the metal foam, enabling heat exchange between the thermal member and the metal foam. The at least one metal foam is assembled together with the thermal member mechanically which causes a local deformation at a joint where the thermal member engages the at least one metal foam.

Abstract: A heat dissipation substrate includes a heat sink, a metal base and an elastic structure. The heat sink includes a carrying portion and supporting portions. The supporting portions are parallel to one another and disposed on a lower surface of the carrying portion. The supporting portions are perpendicular to the carrying portion and surround an accommodating space with the carrying portion. The carrying portion has first rough surface structure disposed on a portion of the lower surface and located in the accommodating space. The metal base is disposed below the heat sink and has an assemble surface and a second rough surface structure disposed on a portion of the assemble surface and corresponding to the first rough surface structure. The first and second rough surface structures and the supporting portions define a fluid chamber in which the elastic structure is disposed, and a working fluid flows in the fluid chamber.

Abstract: An example coupling for an electric vehicle battery pack includes an attachment member configured to connect to a cold plate, a fluid inlet extending from the attachment member, and a fluid outlet extending from the attachment member.

Abstract: A thermal control insert and a thermal resistant hollow block. The thermal resistant hollow block includes a hollow block having a cavity and an elongate member positioned within the cavity that has a generally spiral shaped pathway which forms a generally closed pathway to receive a heated fluid when the elongate member is positioned within the cavity of the hollow block. The generally spiral shaped pathway passes the heated fluid in a forward direction through the generally closed pathway toward a central open area at an inner end of the generally closed pathway of the elongate member. As fluid accumulates in the central open area, the fluid loses kinetic energy and becomes stagnant to provide a relatively high thermal resistance to heat transfer.

Abstract: A radial-flow plate heat exchanger (5) embedded in the catalytic bed of an isothermal chemical reactor (1) has heat exchange plates (10) comprising fluid passages (13) between a first metal sheet (20) and a second metal sheet (21) joined by perimeter weld seams (23) on a first surface (A) of the plate, a feeding channel (14) and a collecting channel (15) for the heat exchange fluid are formed with suitable metal sheets which are seam welded (25) directly to the opposite surface (B) of the plate, this structure allows the manufacturing of the plate (10) with an automated seam welding process, such as laser beam welding.

Abstract: Embodiments of the present disclosure are directed towards systems and apparatuses for delivery of thermal transfer fluid to and/or from a thermal head of thermal test equipment and for driving the thermal head and associated techniques. In one embodiment, a fluid delivery assembly includes a chamber assembly having an inlet channel and outlet channel for a thermal transfer fluid, and a piston assembly having an inlet channel and outlet channel for the thermal transfer fluid, the inlet channel of the piston assembly configured to route the thermal transfer fluid from the inlet channel of the chamber assembly and the outlet channel of the piston assembly configured to route the thermal transfer fluid to the outlet channel of the chamber assembly and a thermal head coupled with the piston assembly and configured to thermally couple with a device under test (DUT). Other embodiments may be described and/or claimed.

Abstract: The present invention provides an adjacently-installed temperature equalizer with single side heat transferring formed with a heat transferring adjacent surface and a heat insulation surface oriented towards the exterior and a fluid channel transferring heat with the passing fluid, wherein one or more than one adjacently-installed temperature equalizer with single side heat transferring is adjacently installed at a selected location at the exterior and/or the interior of a temperature equalizing object, and through pumping the external fluid for cooling or heating, the fluid is enabled to pass the heat transferring adjacent surface of the adjacently-installed temperature equalizer with single side heat transferring for transferring the cooling or heating thermal energy to the temperature equalizing object; and beside a thermal energy transferring surface (1005), other opened surfaces are respectively formed with a heat insulation layer (1010) for preventing or reducing the heat transfer of radiating, transfer

Abstract: The present invention provides a temperature control system having adjacently-installed temperature equalizer and heat transfer fluid and application device thereof, in which one or more adjacently-installed temperature equalizer formed with a heat transferring adjacent surface is provided, a fluid channel thereof is utilized for allowing a heat transfer fluid to pass thereby enabling to perform temperature equalizing heat transfer with the external surface and/or the internal surface of an object (103) disposed to the adjacent surface.

Abstract: The present invention relates to a heat exchanger for controlling the temperature of a first fluid using a second fluid, wherein the heat exchanger has a base for separating the first fluid from the second fluid, said base having a sealing region. Furthermore, the heat exchanger has a partition for separating the first fluid from the second fluid, wherein the at least one partition is connected in a fluid-tight manner to the base, wherein the at least one partition forms a fluid duct for the first fluid. Furthermore, the heat exchanger has a housing. In the sealing region between the base and the housing, there is arranged a sealing element which is pressed in a fluid-tight manner against the base and against the housing.

Abstract: A waste water heat recovery system may include a waste water conduit, a plurality of heat exchanger modules, an inlet manifold, and an outlet manifold. The plurality of heat exchanger modules may be disposed on an outer surface of the waste water conduit. Each of the plurality of heat exchanger modules may include a first conduction member, a second conduction member, and a serpentine potable water conduit seated between the first and second conduction members. The inlet manifold may receive potable water from a water source and may be fluidly connected to an inlet of the potable water conduit of each of the plurality of heat exchanger modules. The outlet manifold may be fluidly connected to an outlet of the potable water conduit of each of the plurality of heat exchanger modules.

Abstract: The present disclosure provides a heat exchanger for a power system. The heat exchanger includes a housing. The housing includes a first side and a second side. The second side is configured to be received in a receptacle of a power system enclosure. The heat exchanger includes at-least one heat exchange tube supported between one or more of side walls of the housing. The heat exchanger includes a screen attached to the second side of the housing. The screen includes at-least one inlet opening for the heat exchange tube, and at-least one outlet opening for the heat exchange tube. The heat exchanger further includes a flange attached to the first side of the housing wherein the flange is configured to be removably attached to an outer surface around the receptacle of the power system enclosure.

Abstract: A corrugated fin, in particular for a heat exchanger, having a substantially corrugated design, having a plurality of fin surfaces, wherein adjoining fin surfaces are connected to one another by means of a fin arch in such a way that a medium can flow through an intermediate space between adjoining fin surfaces, wherein the fin surfaces are arranged at an angle with respect to one another perpendicularly with respect to a throughflow direction for the medium, wherein the fin surface has at least one bulge which protrudes out of the plane of the fin surface, wherein the extent of the bulge in a direction perpendicularly with respect to the air throughflow direction is smaller than the extent of the fin surface in said direction.

Abstract: A method of making a low-pressure thin-walled heat exchanger and a low-pressure thin-walled heat exchanger are described. According to the production method a thin metal cover layer and a thin cover layer consisting of metal or plastic are sealed with one another. The sealing is realized by a thin layer of a sealable polymer that is provided as coating on one side of at least one cover layer and/or by a separate intermediate layer of a sealable polymer. Both cover layers are sealed with one another by the interposed layer of the sealable polymer with the formation of a cavity suitable for the passage of a heat exchange medium which cavity can be formed as passage system. Such heat exchangers can be produced in an especially cheap way in this manner.

Abstract: A device, which is suitable for the processing of at least one fluid, is provided with at least one elongated foil, which is formed in a number of reciprocating foil layers. Between two opposite layers of foil, a spacer is situated that is permeable at least parallel to the foil layers. The foil layers and interposed spacers extend spirally around a central axis, wherein folding lines between two foil layers extend substantially parallel to the central axis. Each spacer is coupled to at least an end near the central axis with a support extending parallel to the central axis where, of the supports near the central axis, first supports are situated between two foil layers, which foil layers are connected to one another near the central axis, whereas second supports are situated between two successive first supports.

Abstract: A heat exchanger is disclosed that includes a plurality of parallel refrigerant paths, and a refrigerant injector operatively associated with an inlet to each refrigerant path for independently metering single phase refrigerant into each of the parallel refrigerant paths.

Abstract: A member 10 for a semiconductor manufacturing apparatus includes an alumina electrostatic chuck 20, a cooling plate 30, and a cooling plate-chuck bonding layer 40. The cooling plate 30 includes first to third substrates 31 to 33, a first metal bonding layer 34 between the first and second substrates 31 and 32, a second metal bonding layer 35 between the second and third substrates 32 and 33, and a refrigerant path 36. The first to third substrates 31 to 33 are formed of a dense composite material containing Si, SiC, and Ti. The metal bonding layers 34 and 35 are formed by thermal compression bonding of the substrates 31 to 33 with an Al—Si—Mg or Al—Mg metal bonding material interposed between the first and second substrates 31 and 32 and between the second and third substrates 32 and 33.

Abstract: The disclosure provides a heat sink for electrical elements and a light-emitting device containing thereof. The heat sink includes a radiating substrate and at least one hollow radiating channel. In which, the hollow radiating channel is horizontally embedded in the radiating substrate, and has two openings disposed on the same site or the opposite sites of the radiating substrate, so that gas may flow in the hollow radiating channel and remove heat of the radiating substrate. And a light-emitting device containing the heat sink is also provided.

Abstract: A beverage dispenser provides numerous inventive features in its refrigeration system, diluent delivery system, concentrate delivery system, mixing and dispensing system, and control system. The refrigeration system employs a plate heat exchanger to provide on demand refrigeration of an intermittent water flow. The diluent delivery system includes a flowmeter/solenoid/check-valve assembly. The concentrate delivery system employs a positive displacement pump. The mixing and dispensing system includes a mixing nozzle that has a locking feature such that an elevated blocking surface directly faces the inlet of pressurized diluent to create turbulence. The control system receives package-specific information from a scanner and diluent flow rate information from the flowmeter, and then determines the pump speed in order to set a desired mix ratio.

Abstract: The invention relates to a latent cold storage device with an improved structure and an improved mode of operation by means of a sandwich-type arrangement of the heat conducting elements and cold storage elements, whereby the cold storage elements made in the form of pockets containing a cold storage medium, are deformable.

Abstract: A plate heat transmitter may include a plate for transmitting thermal energy to a heat carrier. The heat transmitter may include a flow duct, delimited at least on one side by the plate, for channeling a flow of the heat carrier along the plate in a predetermined flow direction. A plurality of nubs may be included projecting from the plate into the flow duct, for distributing the heat carrier within the flow duct. At least two adjacent nubs may be connected with at least one of (i) one another and (ii) a duct delimitation to form a flow barrier running substantially transversely to the flow direction, to block the flow of heat carrier in the flow direction.

Abstract: Enhanced heat transfer assemblies and jet impingement cooling apparatuses having target surfaces with surface fins and microslots are disclosed. In one embodiment, an enhanced heat transfer assembly includes a target surface, a plurality of surface fins extending from the target surface, and a plurality of microslot matrices formed on the target surface. Each microslot matrix includes individual microslots positioned adjacent to each other, and each microslot matrix is adjacent to a jet impingement zone and at least one of the plurality of surface fins. Jet impingement cooling apparatuses and power electronics modules haying an enhanced heat transfer assembly with surface fins and matrices of microslots are also disclosed.

Abstract: A cooling system for removing heat generated by electrical components onboard aerospace vehicles flows coolant between an evaporator that removes heat from the component, and a condenser within the skin of the vehicle. The skin is formed from facesheets comprising multiple layers of polymer resin reinforced with meshes of single and double wall nanotubes. The nanotubes conduct the heat directionally so as to both distribute the heat over the skin and direct the heat to the outer surface of the skin where the heat can be carried away by air flowing over the skin. The skin may also include conductive carbon foam surrounding the condenser to reduce thermal resistance between the condenser and the facesheets.

Abstract: A heat exchanging apparatus comprises a first heat exchanger, oil cooler, arranged to allow ambient air to pass therethrough and a second heat exchanger, radiator, adjacent the first heat exchanger and arranged to allow air exiting the first heat exchanger to pass therethrough. The apparatus further comprises a third heat exchanger comprising two or more interconnected heat exchanging cores, charge air coolers. Each core is arranged to allow ambient air to pass therethrough.

Abstract: A heat exchanger plate has multiple structures thereon. A heat transfer portion has a plurality of ribs arranged in a rib pattern. A fluid ingress structure is arranged near a first corner of the heat exchanger plate. The structure includes a first open fluid aperture defined in the heat exchanger plate, and a first platform arranged between the first open fluid aperture and the first corner. The first platform is connected to a rib of the rib pattern. A fluid bypass structure is arranged near a second corner. The fluid bypass structure includes a closed fluid aperture defined in the heat exchanger plate, a second platform completely surrounding the closed fluid aperture, and a first corner rib arranged between the second platform and the second corner. The first corner rib is connected to a rib of the rib pattern.

Abstract: A return waterbox for a heat exchanger, such as a shell-and-tube heat exchanger, is provided. The return waterbox may include an insert configured to direct a fluid flow(s) in the return waterbox. In some embodiments, such as in a two-pass heat exchanger, the insert can be configured to receive water from one portion of the heat exchanger tubes in the first pass and redirect the received water to another portion of the heat exchanger tubes in the second pass.

Abstract: A heat exchanger for cooling a vehicle battery, in particular for hybrid or electric vehicles, having at least one fluid collector made of plastic, which is connected to at least one cooling element. In a heat exchanger in which the energy efficiency of the motor vehicle is increased, the cooling element is designed as a plastic tube, in which a fluid is conducted from the first fluid collector to a second fluid collector.

Abstract: A modular thermal panel comprising a paver having a top and bottom surface, and a heat exchanger having connected top and bottom panels with channels formed there between for receiving a heat exchange fluid. The top panel of the heat exchanger is coupled to the bottom surface of the thermal mass unit, an insulator panel is coupled to the bottom panel of the heat exchanger, and inlet and outlet tubes are coupled to the heat exchanger for feeding heat exchange fluid to and from the heat exchanger. The size of the heat exchanger is substantially equal to the size of the paver and the edges of the heat exchanger are substantially aligned with the edges of the paver. The heat exchanger is made of thermally transmissive material including polymers, stainless steel, aluminum, or copper and the thermal mass unit is made of a material which includes modular or pre-formed or formed in place concrete, cement, gypsum concrete, or stone.

Abstract: A cylindrical, annular axial flow heat exchanger for use as a gas cooler in a thermal regenerative machine such as a Stirling engine is provided. The heat exchanger includes an outer shell of sufficient strength and thickness to withstand the pressure exerted by the working fluid and a tubular member positioned adjacent to and in contact with the outer shell, the tubular member having spaced apart sidewalls defining a flow passage therebetween. At least one of the sidewalls of the tubular member is embossed with ribs, the ribs being in contact with the inner surface of the outer shell thereby defining axially extending flow passages between the outer shell and tubular member along the circumference thereof for the flow of a second, gaseous fluid through the heat exchanger. The first fluid flows circumferentially through tubular member, while the second fluid flows axially between the outer shell and the tubular member.

Abstract: A heat exchanger is disclosed which includes a plurality of heat exchanger plates. Each plate has a plurality of hollowed out pins arranged in a pin fin pattern. Each plate also includes an inlet aperture and an outlet aperture in fluid communication with one another. A plurality of heat pipes are defined by several of the plurality of hollowed out pins. A wicking material is arranged within the several hollowed out pins. A heat transfer fluid at least partially fills each heat pipe.

Abstract: A cooling supply package for an electronic component has a supply port communicating with a plurality of outer supply channels, and a return port communicating with a plurality of outer return channels. The outer supply channels and outer return channels communicate with distinct ones of openings in a slot layer and into return and supply slots, respectively. An orifice layer supplies fluid to an electronic component from supply slots and receives return fluid into the return slots after having cooled the electronic component. A cooling supply and electronic combination is also disclosed.

Abstract: A heat exchanging device has a main chamber, two sub-chambers, an inlet and an outlet. The sub-chambers extend outwardly from both planar walls of the main chamber. Disposed within main chamber and the sub-chambers is a medium directing insert. The insert has an angled surface on ends facing the inlet and the outlet, first directing the flow of the heat exchange medium into the main chamber, so that the heat exchange medium is dispersed within the main chamber, then directing the heat exchange medium out of the device through the outlet. The medium directing insert is bonded to the lateral walls of the sub-chambers to enhance the structural integrity of the device. The lateral walls of the medium directing insert cooperate with the planar and lateral walls of the main chamber to form channels for directing flow of the heat exchange medium within the device.

Abstract: A heat exchanger comprising a plurality of heat transfer modules disposed side by side so as to define a multilayer body of the heat exchanger. Each heat transfer module has at least one heat transfer medium channel configured to allow a flow of a heat-carrying medium therethrough. At least one portion of the multilayer body of the heat exchanger has a curvature configured to allow the heat exchanger to be used as a curved outer skin section of a craft. Adjacent heat transfer modules of the at least one portion of the multilayer body are arranged with a tilt angle of their central axes towards each other such that each heat transfer module is aligned towards the center of a local osculating circle defined by an outer surface of the heat exchanger.

Abstract: An apparatus (10) for cooling and/or for heat recovery, the apparatus (10) being expandable in modular fashion in a simple manner without thereby prejudicing efficiency. For this purpose, the invention envisages forming an apparatus (10) from a plurality of heat exchanger modules (11) that can be assembled together, each having a heat exchanger.

Abstract: A structural cold plate assembly includes a support structure including first and second opposite sides supporting corresponding cold plates and an insert. The insert defines a portion of a fluid passage through the support structure and secures the cold plate to the support structure.

Abstract: A semiconductor module including a cooling unit by which a fine cooling effect is obtained is provided. A plurality of cooling flow paths (21c) which communicate with both of a refrigerant introduction flow path which extends from a refrigerant introduction inlet and a refrigerant discharge flow path which extends to a refrigerant discharge outlet are arranged in parallel with one another in a cooling unit (20). Fins (22) are arranged in each cooling flow path (21c). Semiconductor elements (32) and (33) are arranged over the cooling unit (20) so that the semiconductor elements (32) and (33) are thermally connected to the fins (22). By doing so, a semiconductor module (10) is formed. Heat generated by the semiconductor elements (32) and (33) is conducted to the fins (22) arranged in each cooling flow path (21c) and is removed by a refrigerant which flows along each cooling flow path (21c).

Abstract: A cooling plate includes a casing being internally divided into an upper chamber and a lower chamber; an air inlet deposited on at least one lateral wall of the casing enclosing the upper chamber; a plurality of through holes being formed on the partition board and such arranged that the through holes closer to the air inlet are smaller in diameter and the through holes farther from the air inlet are larger in diameter, wherein the upper chamber and the lower chamber are communicated to each other via the through holes; and a plurality of air outlets provided on a lower board below the lower chamber for communicating the lower chamber to an exterior of the casing, wherein the air outlets are identical in diameter and arranged into a matrix-like pattern.

Abstract: A cooling apparatus is provided which includes one or more coolant-cooled structures attached to one or more electronic components, one or more coolant conduits, and one or more coolant manifolds. The coolant-cooled structure(s) includes one or more coolant-carrying channels, and the coolant manifolds includes one or more rotatable manifold sections. One coolant conduit couples in fluid communication a respective rotatable manifold section and the coolant-carrying channel(s) of a respective coolant-cooled structure. The respective rotatable manifold section is rotatable relative to another portion of the coolant manifold to facilitate detaching of the coolant-cooled structure from its associated electronic component while maintaining the coolant-cooled structure in fluid communication with the respective rotatable manifold section through the one coolant conduit, which in one embodiment, is a substantially rigid coolant conduit.

Abstract: Battery systems, battery modules, and a method for cooling a battery module are provided. The battery module includes a battery cell having a first side and a second side, and a first graphite sheet disposed on the first side of the battery cell that conducts heat energy from the battery cell into the first graphite sheet to cool the battery cell. The battery module further includes a first cooling manifold coupled to the first graphite sheet that conducts heat energy from the first graphite sheet into the first cooling manifold. The first cooling manifold is further configured to receive a fluid that flows therethrough to conduct heat energy from the first cooling manifold into the fluid.

Abstract: A superconducting cable comprises a superconductor 60, two or more coolant passages including an outgoing coolant passage 12 and a returning coolant passage 14 that transfer a coolant that cools the superconductor, and a heat insulating pipe 10 inside which the superconductor 60 and the coolant passages are formed. For the coolant passages, by a double structured tube of an inner tube 6 and an outer tube 8, the outgoing coolant passage 12 is formed in the internal space of the inner tube 6 and the returning coolant passage 14 is formed in the space between the inner tube 6 and the outer tube 8, the inner tube 6 is formed between the outgoing coolant passage 12 and the returning coolant passage 14 of a heat insulating material, the superconductor 60 is disposed on the outer circumferential side of the inner tube 6, and the superconductor is cooled by the coolant that flows through the returning coolant passage.

Abstract: One aspect provides a heating device comprising a firebox having a hearth therein and first and second heat exchange chambers, and a heat exchanging plate having a first surface and a second opposing surface. The heat exchanging plate is suspended above the hearth, such that the first surface is located between the hearth and the second surface. The heat exchanging plate has lower protrusions extending from the first surface and into the first heat exchange chamber, and upper protrusions extending from the second surface and into the second heat exchange chamber. A method of manufacturing a heating device is also disclosed.

Abstract: Aspects of this disclosure enhance elimination problems that freezing sulfur creates with gas-liquid parallel plate separators by integrally heating the parallel plate gas-liquid separator assembly. Through integral heating the duration of time that the separator apparatus remains above the freezing temperature of elemental sulfur is prolonged, thereby, allowing the opportunity for residual liquid sulfur to drain from the parallel plate assembly during upsets in unit operations and after a sulfur recovery unit shutdown event, thereby reducing or eliminating the operation and maintenance problems that may occur with existing separator designs.

Abstract: Injection plate for microstructure water cooling units for an electrical or electronic component which improves the cooling power of a microstructure water cooler by using recirculation channels for the removal of the coolant, so that the height of the fins of the cooling channels can be reduced in comparison to a state of the art injections plates without water recirculation technology.

Abstract: An assembly for an environmental control system includes a primary air-to-air heat exchanger and an aft manifold. The aft manifold is mounted to the primary heat exchanger and is adapted with a first duct to receive air flow from the primary heat exchanger. The aft manifold has a bypass duct and the bypass duct is configured to selectively allow air flow to bypass the primary heat exchanger.

Abstract: Jet impingement assemblies and power electronics devices incorporating jet impingement assemblies are described. The jet impingement assemblies include a fluid inlet, a fluid outlet, a manifold, and a heat distribution member. The manifold includes a distribution side in fluid communication with the fluid inlet, a collection side in fluid communication with the fluid outlet, a plurality of orifices extending from the distribution side to the collection side, and a return channel extending from the collection side to the distribution side. The heat distribution member is positioned proximate to the collection side of the manifold.