Abstract: A heat exchanger includes a pair of opposed, spaced apart heat exchanger plates defining a heat exchanger volume therebetween having an inlet and opposed outlet. A plurality of heat exchanger ribs are included within the heat exchanger volume. Each rib defines a rib body spanning the heat exchanger volume. Each rib body includes a plurality of slits therethrough to define a flow path through the heat exchanger ribs from the inlet to the outlet of the heat exchanger volume. The ribs and slits can be formed using ultrasonic additive manufacturing (UAM), for example.

Abstract: Rotary fluid processing systems and associated methods are disclosed. A purification system in accordance with the particular embodiment includes a rotatable adsorbent-containing heat/mass transfer element that is generally symmetric about a rotation axis, and includes multiple radial flow paths oriented transverse to the rotation axis and multiple axial flow paths oriented transverse to the radial flow paths. The axial flow paths and radial flow paths are in thermal communication with each other, and are generally isolated from fluid communication with each other at the heat transfer element. Particular embodiments can further include a housing arrangement having multiple manifolds with individual manifolds having an entry port and an exit port, and with individual manifolds having different circumferential locations relative to the rotation axis.

Abstract: There is provided an apparatus for heat dissipation and a method for fabricating the apparatus for heat dissipation. The apparatus for heat dissipation is for either single or two phase heat exchange, depending on a construction of the apparatus. A channel of the apparatus is defined by the joined bent first ends of each of a plurality of fins of the apparatus.

Abstract: A heat dissipating device includes a base, a heat dissipating fin and a protruding member. The heat dissipating fin includes a heat dissipating portion, a fixing portion fixed in the base, and a first overflow-proof structure. The first overflow-proof structure is connected between the heat dissipating portion and the fixing portion. A width of the first overflow-proof structure is larger than a width of the heat dissipating portion. A first hole is formed on the heat dissipating portion and the first overflow-proof structure. The protruding member includes a second overflow-proof structure and a first protruding portion protruding from an upper surface of the second overflow-proof structure. The protruding member is disposed in the first hole, and a lower surface of the second overflow-proof structure and a lower surface of the first overflow-proof structure are coplanar.

Abstract: A heat exchanger which may be continuously mass-produced by press-fitting heat exchange fins into refrigerant tubes and a manufacturing method thereof. The manufacturing method includes processing a metal sheet into a plurality of rows of heat exchange fins, transferring the plurality of rows of heat exchange fins through a transfer apparatus, dividing the plurality of rows of heat exchange fins into heat exchange fins in odd-numbered rows and heat exchange fins in even-numbered rows and integrating the heat exchange fins in odd-numbered rows and even-numbered rows through integration apparatuses, vertically standing and aligning the heat exchange fins in odd-numbered rows and even-numbered rows, separating the heat exchange fins in odd-numbered rows and even-numbered rows into a number of heat exchange fins, which may be simultaneously press-fitted into refrigerant tubes, through separation apparatuses, and press-fitting the separated heat exchange fins into the refrigerant tubes.

Abstract: A thermally conductive dielectric interface includes a relatively hard polymer base, and a polymer upcoat disposed at first and second sides of the base. The upcoat has an intermediate condition that is relatively soft and facilitates thermal joints with respective components of an electronic assembly. Curing the upcoat layer to a finished condition solidifies such thermal joints.

Abstract: A heat sink assembly and method wherein a base plate is mountable to a heat source and spaced fins on the base plate define flow channels therebetween. Self actuating louvers are configured to increase flow through select channels in response to increased temperatures.

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 rooftop air conditioning assembly (60) for a building having a rooftop and an internal volume. The assembly includes a chassis (20), a plurality of outdoor sections (58), one indoor section (56) and refrigerant tubes (40). The chassis (20) is adapted for mounting adjacent one or more rooftop openings. The plurality of outdoor sections (58) are mounted on the chassis (20), with each of the outdoor sections (58) having at least one air inlet in fluid communication with atmosphere and at least one air outlet in fluid communication with atmosphere. The one indoor section (56) is mounted on the chassis (20), and has an air outlet in fluid communication with the internal volume via the one or more rooftop openings and an air inlet in fluid communication with the internal volume via the one or more rooftop openings. The refrigerant tubes (40) connect the outdoor sections (58) to the indoor section (56).

Abstract: Method and assembly for attaching a heat sink to a heat source surface associated with a printed circuit board or other component having a heat source. A fastener assembly may include a push pin with a barbed, bifurcated end arranged to be inserted through an opening of the printed circuit board and thereby secure the heat sink to the printed circuit board. A stopper may be headless, be separable from the push pin, and have a portion, such as a barrel-shaped element, positionable in a throughbore of the push pin that supports the bifurcated end so that movement of the barbed portions toward each other is resisted, thereby securing engagement of the barbed portions with the printed circuit board.

Abstract: Embodiments of the present disclosure describe thermal interface techniques and configurations. In some embodiments, a thermal interface apparatus may include a flexible container, a plurality of thermally conductive objects disposed within the flexible container, and an attachment member coupled to the flexible container for attaching the thermal interface apparatus to a heat sink. The thermally conductive objects may be movable to rearrange their packing within the flexible container in response to deformation of the flexible container. Other embodiments may be described and/or claimed.

Abstract: Systems and methods for a protective casing are provided. In at least one embodiment, a protective casing includes a flexible insulation layer configured to inhibit thermal energy from conducting from an external side of the flexible insulation layer to an internal side of the flexible insulation layer. The protective casing also includes a microlattice layer abutting the internal side of the flexible insulation layer, the microlattice layer configured to distribute thermal energy that passes through the flexible insulation layer substantially throughout the microlattice layer. Further, the protective casing includes a heat absorbing material that impregnates the microlattice layer, the heat absorbing material configured to absorb the thermal energy in the microlattice layer.

Abstract: An electronic device for dissipating heat generated from an electronic component includes a heat dissipation tape affixed on a heat transfer path that receives transferred heat generated from the electronic component. The heat dissipation tape has at least one heat dissipation fin formed by folding back a portion of the heat dissipation tape.

Abstract: A liquid-cooled heat exchanger for electronic assemblies and a method of making the heat exchanger. The exchanger has a solid metal body in the form of an elongated flat plate to which the electronic assembly can be mounted, or a number of such plates formed in an L- or U-shaped configuration to enclose two or more sides of the assembly. The elongated body is formed by extrusion, with parallel enclosed longitudinal passages formed along a length of the body during the extrusion process. Transverse passages are drilled to intersect the extruded longitudinal passages. The longitudinal passages and transverse passages are plugged on at least one of their outside ends, and optionally at points along their lengths, to create desired patterns of liquid flow through the heat exchanger.

Abstract: A coil heat exchanger is provided, comprising a closed vessel having an inlet for receiving heat transfer media and an outlet for discharging heat transfer media, a tubular conduit extending helically within said vessel from a lower part to an upper part of said vessel for transporting liquid products to be heated by said heat transfer media, and an inner housing enclosed by loops of said tubular conduit and sealed against the heat transfer media. The inner housing comprises an open passageway to the environment outside said coil heat exchanger.

Abstract: A heat dissipating device includes a base and a plurality of heat dissipating fins. Each of the heat dissipating fins includes a heat dissipating portion, a fixing portion and an overflow-proof structure. The fixing portion is fixed in the base. The overflow-proof structure is connected between the heat dissipating portion and the fixing portion. A width of the overflow-proof structure is larger than a width of the heat dissipating portion and larger than a width of the fixing portion.

Abstract: A heat exchanger (10) is provided and in a highly preferred form is an EGR cooler (52) having first and second passes (56A,56B) that are connected to an inlet/outlet manifold (70) by a pair of corresponding thermal expansion joints (87,93) to allow differential thermal expansion between the various structural components of the heat exchanger (10).

Abstract: A heat dissipating system is disclosed to be disposed in a casing of an electronic apparatus in which a heat source is disposed. The heat dissipating system includes a heat dissipating device and a heat insulating device. The heat dissipating device is in contact with the heat source and has a predetermined heat dissipating path for dissipating heat generated by the heat source. The heat insulating device includes a first layer that is in contact with one of the heat source and the heat dissipating device, and a second layer that is bonded to the first layer and that cooperates with the first layer to define an evacuated space therebetween.

Abstract: A multi-row heat exchanger coil includes a first row of coil, a second row of coil positioned generally parallel to the first row of coil, a bent portion fluidly communicating the first and second rows of coil, an interior space formed between the first and second rows of coil, and a mounting assembly. The mounting assembly includes at least one connection member configured to connect the first and second rows, thereby securing the first and second rows of coil to each other, a mounting member configured to prevent airflow from exiting from the interior space at a side of the multi-row heat exchanger coil, and fastening mechanism configured to attach the mounting member to the connection member.

Abstract: A zone-control unit for use in a heating, ventilation, and air conditioning (HVAC) system, the zone-control unit includes a heat exchanger, an inlet piping assembly coupled with the heat exchanger for supplying fluid to the heat exchanger, an outlet piping assembly coupled with the heat exchanger for receiving fluid from the heat exchanger, a bracket that maintains the inlet piping assembly and the outlet piping assembly in positional relationship, and an ancillary component coupled with the heat exchanger.

Abstract: A system for cooling an integrated circuit of an electronic device includes a cooling body and a shelf that is positioned relative to the cooling body for the device to be reversibly inserted onto the shelf so that the cooling body is in thermal contact with the integrated circuit. The cooling body is cooled by introducing a fluid therein via an input conduit. The hot fluid is received from the cooling body by an output conduit and is cooled for recycling. The housing of the electronic device includes a rearward gap that admits the cooling body into the housing of the electronic device. Preferably, further cooling is provided by forcing a gas to flow past the output conduit.

Abstract: Heat exchanger, comprising a series of interconnected modules, each module comprising at least part of a water duct and part of a flue duct, wherein at least the parts of the water ducts of successive modules are interconnected, forming at least one continuous water duct through and/or along a number of said modules, wherein water duct parts of two adjacent modules are interconnected by a connector inserted into an opening in at least one of the modules forming a sealing connection.

Abstract: A heat exchanger having at least one inner conduit comprising of a second tubular member coaxially disposed within a first tubular member, wherein the second tubular member outer surface is in contact with the first tubular member inner surface. Each of the first and second tubular members is composed of a material with an approximately 0.015 inch maximum wall thickness.

Abstract: A heat-dissipation unit includes a base and a plurality of radiating fins. The base has a plurality of grooves formed thereon, and each of the grooves has an open top and closed bottom. The radiating fins respectively have a heat-radiating zone and a bent zone. When a pressure is applied onto the bent zones, the bent zones respectively form an assembling section in the grooves to tightly fit therein. With the above arrangements, the radiating fins can be firmly locked to the base without the need of welding, so that the manufacturing cost is reduced and the problem of a damaged base due to assembling can be avoided. A method of manufacturing the above-described heat-dissipation unit is also disclosed.

Abstract: A method for manufacturing a heat exchanger includes joining a first conductive sheet to a second conductive sheet to define a plurality of separate volumes in a blank envelope, creating an aperture in each separate volume in the blank envelope, and heating the blank envelope. The method further includes pressurizing each separate volume through the apertures, hot plastic forming the blank envelope into a formed envelope, and assembling a plurality of formed envelopes into a heat exchanger core, wherein the heat exchanger core includes a fluid passage outside of the formed envelopes, wherein the fluid passage is defined by adjacent formed envelopes, and wherein the fluid passage extends across a dimension of the heat exchanger core.

Abstract: A system for cooling an integrated circuit of an electronic device includes a cooling body and a shelf that is positioned relative to the cooling body for the device to be reversibly inserted onto the shelf so that the cooling body is in thermal contact with the integrated circuit. The cooling body is cooled by introducing a fluid therein via an input conduit. The hot fluid is received from the cooling body by an output conduit and is cooled for recycling. The housing of the electronic device includes a rearward gap that admits the cooling body into the housing of the electronic device. Preferably, further cooling is provided by forcing a gas to flow past the output conduit.

Abstract: A system and a method for plugging a heat exchanger tube or the like. The system includes a plug member having a central shaft having a compressible member mounted on the central shaft such that axial compression of the compressible member radially expands the compressible member into sealing engagement with an inner wall of a tube in which the plug member is inserted. The system further includes a drive means removably engaged with the plug member for inserting the plug member into the tube and for providing axial force on the compressible member to cause radial expansion of the compressible member into sealing engagement with the inner wall of the tube.

Abstract: An integrated heat spreader is disclosed in which grooves are formed in a recess of the heat spreader to enhance the stiffness and strength of the integrated heat spreader without increasing production costs or complexity. The integrated heat spreader may be fabricated by providing a metal strip having raised portions thereon to provide a recess therebetween, forming grooves on a bottom surface of the recess, where the grooves extend along a periphery of the bottom surface which is substantially free of the raised portions, and subsequently singulating an integrated heat spreader from the metal strip.

Abstract: A seal packing assembly apparatus which assembles a seal packing into a core plate used as a component of a heat exchanger, which apparatus is provided with rollers which push a seal packing into a groove of a core plate while moving by rolling along the groove and guide members which abut against the core plate, the rollers being supported so as to displace along the shape of the core plate by the reaction force which the guide members receive from the core plate, whereby the reliably of assembly of the seal packing is improved.

Abstract: An apparatus for facilitating servicing of a liquid-cooled electronics rack is provided. The apparatus includes a coolant tank, a coolant pump in fluid communication with the coolant tank, multiple parallel-connected coolant supply lines coupling the coolant pump to a coolant supply port of the apparatus, and a coolant return port and a coolant return line coupled between the coolant return port and the coolant tank. Each coolant supply line includes a coolant control valve for selectively controlling flow of coolant therethrough pumped by the coolant pump from the coolant tank. At least one coolant supply line includes at least one filter, and one coolant supply line is a bypass line with no filter. When operational, the apparatus facilitates filling of coolant into a cooling system of a liquid-cooled electronics rack by allowing for selective filtering of coolant inserted into the cooling system.

Abstract: A method of manufacturing a refractory panel. The method comprises forming a textured surface of interconnected subpanels. Adjacent ones of the sub-panels are partially separated from each other by gaps located between edges of the adjacent subpanels.

Abstract: An improved heat sink comprises a plurality of wire fins mounted on a heat sink base. Each wire fin comprises a coil made up of a plurality of contiguous loops of wire. A wire fin can be manufactured by deforming a helical wire member to an elongate, relatively compact shape. Several such wire fins can then be mounted to a heat sink base in order to form a pin-fin type heat sink.

Abstract: A heat sink comprising a base, fins attached to the base and a flow diverter in contact with the base or at least one of the fins. The flow diverter has a rectangular cross-sectional profile in a plane that is coplanar with and elevated above a plane of the base and spanning the entire separation distance, and, a segment of the flow diverter is angled towards the base to direct the fluid flow towards the base.

Abstract: A method of manufacturing a heat exchanger. The method involves extrusion-molding a long fin member, which has a plurality of long fins protruding from a flat-plate-shaped long base, and cutting the long fin member by a predetermined width. The base of the fin members are also cut. This results in a heat exchanger having a plurality of fin members (10) including a plurality of fins (11) that is arranged in parallel and protrudes from a flat-plate base (12) so that slit portions are formed on both side ends in a width direction of the base (12), the fin members being arranged so that respective bases abut on each other in a frame.

Abstract: A method of forming a heat exchanger for use with a rotating component configured to rotate about an axis of rotation is provided including generating a stereolithography file of the surface geometry of the heat exchanger. The surface geometry of the heat exchanger includes a cylindrical base having a plurality of fins extending generally radially therefrom. The surface geometry defined in the stereolithography file is ‘sliced’ into a plurality of axisymmetric layers, perpendicular to the axis of rotation. Energy from an energy source is applied to a powdered material causing the powdered material to fuse and form the plurality of axisymmetric thin layers. Each of the axisymmetric thin layers is integrally formed with an adjacent axisymmetric thin layer to create a unitary heat exchanger.

Abstract: According to embodiments of the invention, a structure for cooling electronic components may be provided. The structure may include a heat sink having a plurality of parallel heat conducting elements. The structure may also include a plurality of fans, wherein the fans are interleaved with the heat conducting elements. The structure may also include a drive shaft passing through the heat conducting elements and the fans, wherein the drive shaft rotates the fans in relation to the heat sink. According to other embodiments, the structure may include a baffle located on a side of the heat sink in an upstream location within an airflow stream.

Abstract: The present invention provides a temperature-regulating element (1) having a thermally conductive surface (3) and a thermally insulating surface (5), said temperature-regulating element comprising a metallic plate (7) having elevations (9), a main body (11) composed of plastic and two connection components (17a, 17b) comprised of plastic. At least one continuous channel (13) for receiving a temperature-regulating medium is formed between the metallic plate (7) and the main body (11), said at least one continuous channel extending from one end face (15a) to an opposite end face (15b) of the main body (11) and being connected to a temperature-regulating medium circuit by the connection components (17a, 17b). The temperature-regulating element (1) is designed such that the main body (11) at least partly surrounds the metallic plate (7).

Abstract: A method of controlling a heat transfer apparatus comprising the steps of: providing a heat transfer apparatus; providing a control apparatus comprising a thermal sensor configured to control operation of the heat transfer apparatus; providing a casing comprising a casing wall enclosing a casing chamber, a casing entrance, and a casing seal; and inserting the thermal sensor into the casing chamber through the casing entrance an aperture in the casing seal.

Abstract: A method of creating a flat-round tube-to-header joint in a CuproBraze™ heat exchanger wherein the flat-round tube-to-header joint is disposed between a tube and a header having a generally circular opening having a first predetermined diameter formed on a first side thereof for receiving one end of a tube, and provides at least one generally circular end having a second predetermined diameter on the tube to fit into the generally circular opening of in the header. The method further provides a predetermined temper on at least one generally circular end which is at least sufficient to enable cold working of at least one generally circular end to prevent premature failures of the flat-round tube-to-header joint. The flat-round tube-to-header joint is formed by inserting one end of the tube into the first side of the header and forming the flat-round tube-to-header joint between one end of the tube and the header.

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: A scalable method of edge cooling and making a cold chassis for electronic modules. The steps include fabrication of modular cooling ribs, each including microchannels along the cooling edge and a peripheral flange. A set of adjacent ribs are secured together and assembled onto at least one face of a chassis frame member. The rib flanges are sealed (e.g. friction stir welded) with respect to the frame member. The Application includes new and retrofit environments with increased cooling needs and multi-scaled manufacturing.

Abstract: A heat exchange fill apparatus for use with a cooling tower that employs a support frame assembly. The heat exchange fill apparatus has a media fill pack that is comprised of fill pack media modules wherein a stake, prevents the modules from shifting with respect to one another.

Abstract: A heat exchanger including a shell forming a generally cylindrical housing, a plurality of dividers within the shell extending along the length of the shell, wherein the dividers separate the shell into sections and each section forms a shell pass. The heat exchanger can further include a plurality of tube passes, wherein at least one tube pass is contained within each of the shell passes, and each tube pass comprises a plurality of tubes extending along the length of the shell, a shell inlet passage configured to receive a first fluid into a first shell pass and a shell outlet passage configured to discharge the first fluid from a last shell pass, and a plurality of shell pass passages formed in the dividers near a first end or a second end of the shell configured to allow flow of the first fluid from one shell pass to the next shell pass.

Abstract: Superalloy components, such as steam and gas turbine blades or vanes, are cooled during welding fabrication or repair, so as to reduce likelihood of weld metal and weld heat affected zone cracking during weld solidification and during post weld heat treatment. More particularly the invention relates to cooling superalloy steam and gas turbine components, such as turbine blades or vanes during weld repair. A heat sink apparatus includes a heat sink having a first surface adapted for abutting orientation with a turbine component second surface; and a non-gaseous, conformable, heat conductive material adapted for conforming contact with both surfaces. The heat conductive material fills gaps between the heat sink and turbine component abutting surfaces, and facilitates enhanced conductive heat transfer, in order to minimize negative heat effects from welding. The apparatus may be incorporated in a cooling system that varies heat sink cooling capacity in response to sensed component temperature.

Abstract: A tube bundle is provided for a shell-and-tube heat exchanger. The tube bundle includes a plurality of elongated tubes, each of which has an intermediate portion that has a cross section in the form of a flattened circle with at least one axis of symmetry. The ends of the tubes may have a circular cross section, with the diameter of one of the circular ends being less than the other end and also less than the length of a shorter axis of symmetry of the intermediate portion of the tube. This tube construction allows the tube bundle to be assembled by inserting the smaller-diameter end of the tube through the aligned openings in the spaced-apart baffles in the tube bundle. The non-circular cross section of the intermediate portion of the tubes increases the tube-side and shell-side heat transfer coefficients.

Abstract: A heat exchanger including a header having a plurality of header openings with conduits that may be made of plastic are inserted in the openings. The conduits are sealed to the header to prevent leakage between the header and the tubes to prevent water and air leakage between the wet, scavenger air stream flowing through the tubes and a dry air stream flowing around the tubes. A method of making the heat exchanger includes providing the openings inwardly curving perimeter walls that allow for easy insertion of the tubes. A self-leveling sealant may be used to seal the heat exchange conduits to the header using, for example, a paint roller and/or a paint sprayer. The heat exchange conduits can include a plurality of stubby fins formed on the inner wall surface of the conduit.

Abstract: Heat exchanger, comprising a heat exchanger body made of light metal or light metal alloy, wherein the body comprises at least a flue duct and a flame receiving space, wherein the body comprises two parts at opposite sides of the flue duct and flame receiving space, said two parts substantially defining said flue duct and flame receiving space, wherein the flue duct and flame receiving space define a main flow direction for flue gas between an entry side of the flame receiving space and an outlet of the flue duct, wherein each of said parts comprises a first series of ribs extending into the space between said two parts and having a length direction substantially perpendicular to the main flow direction for flue gas, thus defining a meandering flow path of flue gasses between said flame receiving space and said outlet and a second series of ribs extending in said flame receiving space, wherein between the ribs of said second series of opposite parts an open space is provided.

Abstract: A heat exchanger assembly is provided. The heat exchanger assembly comprises a core body, a plate fixedly coupled to the core body, the plate defining an aperture therein, and a tank having a foot thereon, wherein under the condition that the plate and the tank are coupled to one another, the aperture functionally engages the foot. The plate sidewall comprises the aperture and further comprises a crimping member in a distal end of the sidewall. The foot further comprises a securing surface and an engagement surface, the engagement surface being configured to engage the aperture and the crimping member being configured to be bent about the foot to engage the securing surface. A sealing member is placed between the tank and the plate to fluidicly seal the tank and the plate once coupled together. Such a configuration provides two means of coupling the plate to the tank.

Abstract: The present invention relates to a heat exchanger, a method for manufacturing the same, a heat recovery ventilator (HRV) including the same, and a method for defrosting and checking operations thereof.

Abstract: A heat sink comprising a base, fins attached to the base and a flow diverter in contact with the base or at least one of the fins. The flow diverter has a rectangular cross-sectional profile in a plane that is coplanar with and elevated above a plane of the base and spanning the entire separation distance, and, a segment of the flow diverter is angled towards the base to direct the fluid flow towards the base.