Abstract: Methods and systems for geothermal energy production wherein multiple horizontal or vertical wells may be used to pass fluids through the Earth from an injector well to a producer well through induced cracks, splits, fractures, conduits, or channels in the rock. Such methods and systems may include controlling tensile-split conduits in a subterranean geothermal formation by providing an injection well, providing a production well, configuring the injection well for injection of a tensile-splitting fluid into a production zone, configuring the production well to produce a heated fluid from the production zone, applying pressure to the production well, creating a plurality of tensile-split conduits, raising or lowering the pressure in the production well, establishing fluid communication between the injection well and the production well, and producing the heated fluid to the surface.

Abstract: A plate heat exchanger and a method of manufacturing a plate heat exchanger are disclosed. The plate heat exchanger comprises plurality of plates, each comprising a central area with a corrugation of ridges and valleys extending between an upper level and a lower level. Each of four porthole areas comprises an annular flat area located at the upper or lower level. The plates comprise heat exchanger plates and an end plate. Each heat exchanger plate comprises four portholes through the respective porthole area. Each porthole area of the end plate is closed by a plate portion. A number of protrusions project from the annular flat area of the end plate to one of the lower level and the upper level. The protrusions, that project to the upper level, abut the annular flat area of the adjoining heat exchanger plate.

Abstract: A plate-type heat exchanger is described comprising a stack of heat exchanger plates (2b) forming a first flow path and a second flow path, wherein each heat exchanger plate (2b) comprises an opening (7b) in an opening area (8b), the opening area (8b) being connected to one of the two flow paths and sealed against the other of the two flow paths by means of a gasket arrangement (11b). Such a plate-type heat exchanger should be suitable for high pressures without increasing the risk of leakages. To this end a support element (15) is arranged in the sealed opening area (8b).

Abstract: A tank includes a housing, a tank chamber inflow hole, a tank chamber outflow hole, and a protruding flow path. The housing includes a tank chamber. Liquid flows into the tank chamber from the tank chamber inflow hole. Liquid in the tank chamber flows out from the tank chamber outflow hole. The protruding flow path is connected to the tank chamber outflow hole, and protrudes into the tank chamber from the tank chamber outflow hole. With this arrangement, outflow of gas from the tank chamber through which liquid flows is suppressed.

Abstract: A plate heat exchanger and a heat exchanger plate for evaporation of a first fluid are disclosed. The heat exchanger plate comprises a heat exchanger area extending in parallel with an extension plane of the heat exchanger plate and comprising a corrugation of ridges and valleys. An edge area extends around the heat exchanger area. Portholes extend through the heat exchanger area and comprise a first inlet porthole for said first fluid. A peripheral rim surrounds the first inlet porthole and extends transversely to the extension plane from a root end to an edge. The peripheral rim has a circumferential length and comprises a flat or substantially flat portion. A restriction hole extends through the flat or substantially flat portion.

Abstract: A plate kind heat exchanger (1) has a plurality of stacked plates (2) forming flow paths for heat exchanging fluids there between, a first inlet channel being fluidly connected to inlets of a first set of flow paths, a second inlet channel being fluidly connected to inlets of a second set of flow paths, a first outlet channel being fluidly connected to outlets of the first set of flow paths, and a second outlet channel being fluidly connected to outlets of the second set of flow paths. The first inlet channel is provided with a stack (15) of rings (5) forming fluid passages towards the inlets of the first set of flow paths.

Abstract: A heat exchanger for allowing heat to be exchanged between a first fluid and at least one other fluid comprises: a core comprising: at least one flow path; a manifold in communication with the at least one flow path; wherein the manifold comprises a void formed in the core; and the manifold comprises end caps, wherein at least one of the end caps is a non-flat end cap.

Abstract: The invention relates to a heat exchanger (20) plate (1, 2a) intended to delimit at least one channel (30, 30a, 30b) for circulation of a fluid, the circulation plate (1) being provided with a bottom (3) and a raised rim (5, 5a-5h) that surrounds the bottom (3), the circulation plate (1) comprising at least one opening (7, 7a-7d) through which a fluid can enter the channel (30, 30a, 30b), characterized in that the opening (7, 7a-7d) is delimited by at least one at least partially rectilinear edge (9a). Application to the field of heat exchanges.

Abstract: A heat exchanger has a fluid flow passage having an inlet and an outlet, and with a first plate and a second plate in opposed facing relation to one another. The fluid flow passage is defined by a space between the inner surfaces of the first and second plates. An electrical heating element is outside the fluid flow passage and adjacent to the outer surface of the first plate, such that heat produced by the electrical heating element is transferred through the first plate to the fluid in the fluid flow passage during use of the heat exchanger. In an embodiment, the first plate has an opening to receive a heater plate component including a first plate portion having an inner surface bonded to a turbulence-enhancing insert and an outer surface bonded to the electrical heating element.

Abstract: In an embodiment, a heat exchanger includes a monolithic body that includes a first substrate, a second substrate, a third substrate, and a plurality of partial height fins. The second substrate is arranged parallel to and spaced from the first substrate, thereby defining a first fluid flow path. The third substrate is arranged parallel to and spaced from the second substrate opposite the first substrate, thereby defining a second fluid flow path. The plurality of partial height fins extend from one of the second substrate and the third substrate toward the other of the second substrate or the third substrate, wherein a terminal edge of each partial height fin is at least partially spaced from the other of the second substrate or the third substrate.

Abstract: A heatsink device is for an electronic component. The heatsink device may include a base plate having a body, and legs extending laterally outward from the body, and defining an opening within the body, and a heat exchanger. The heat exchanger may include a lower body under the base plate and abutting the electronic component, an upper body coupled to the lower body to define a fluid chamber therein, and a medial plate between the lower body and the upper body and having first and second slots therein. The upper body may define first and second inlet passageways respectively aligned with the first and second slots, and an outlet passageway for fluid in the fluid chamber. The first and second slots may be configured to cause the fluid to flow laterally within the fluid chamber.

Abstract: A brazed plate heat exchanger comprises a number of heat exchanger plates (100) provided with a pressed pattern comprising ridges (R) and grooves (G). The ridges and grooves of neighboring plates contact one another in order to keep the plates on a distance from one another under formation of interplate flow channels for media to exchange heat when the heat exchanger plates are placed in a stack to form the heat exchanger. Means (120a, 120b) are provided for allowing temperature measurement of a fluid present in a second flow channel counted from an end of the stack of heat exchanger plates (100).

Abstract: A heat exchanger including a pair of end plates, a plurality of flow plates sandwiched between the pair of end plates, and a plurality of heat transfer films that are respectively positioned between adjacent flow plates, and between each of the end plates and an immediately adjacent flow plate.

Abstract: A heat exchanger is provided with a unitary, single-piece structure that can be formed via 3D printing, for example. The heat exchanger includes a main body a plurality of plates stacked and integrally formed with the body. First fluid channels are defined by gaps in the material of the main body, and second fluid channels are defined by gaps in the material of the main body and are stacked with the first fluid channels in alternating fashion, separated by the plates. Each of the first fluid channels define a first flow path, and each of the second fluid channels define a second flow path. A portion of the first flow paths overlap, and are oriented opposite to, a portion of the second flow paths. Another portion of the first flow paths overlap, and are oriented transverse to, another portion of the second flow paths.

Abstract: An oil cooler is disclosed that comprises a base plate including a recessed portion defined by an interior wall and an exterior wall and including an inlet port and an outlet port. The base plate further includes a divider wall positioned in the recessed portion and extending between the exterior wall and the interior wall to separate the inlet port and the outlet port, a plurality of protrusions arranged in the recessed portion to provide a plurality of tortuous flow paths through which oil flows from the inlet port to the outlet port, and a first set of cooling fins formed on a surface of the base plate opposite the recessed portion. A cover plate is attached to the base plate so as to cover the recessed portion and thereby define a cavity to circulate the oil therethrough, the cover plate including a second set of cooling fins formed thereon.

Abstract: A high-temperature flow-splitting component, applicable to a temperature range from a first temperature to a second temperature, includes an entrance channel, at least one primary channel and at least one subordinate channel. The entrance channel is used for introducing a fluid at a total flow rate. The at least one primary channel for introducing the fluid from the entrance channel at a first flow rate is connected with the entrance channel by a first angle ranging from 90°˜270°. The at least one subordinate channel for introducing the fluid from the entrance channel at a second flow rate is connected with the at least one primary channel by a second angle ranging from 30°˜150°. A sum of the first flow rate and the second flow rate is equal to the total flow rate.

Abstract: Planar element adapted to form, when stacked with a plurality of other such elements, a heat exchanger, comprising an inlet region, a first zone adapted to direct flow from the inlet region towards a second zone, a second zone comprising at least one cutout in the plane of the planar element, adapted to accommodate a cooling core, a third zone, adapted to direct flow from the second zone towards an outlet region and an outlet region, the planar element comprising a first blockage protrusion disposed along a first group of said side edges, the first group comprising at least a side edge adjacent to said outlet region, and a second blockage protrusion disposed along a second group of said side edges, the second group comprising at least a side edge adjacent to said inlet region.

Abstract: A heat transfer plate comprises a first end portion, a second end portion and a center portion arranged in succession along a longitudinal center axis of the plate. The center portion comprises a heat transfer area provided with a heat transfer pattern comprising support ridges and support valleys longitudinally extending parallel to the longitudinal center axis of the plate. The support ridges and support valleys are alternately arranged along a number of separated imaginary longitudinal straight lines extending parallel to the longitudinal center axis of the plate and along a number of separated imaginary transverse straight lines extending perpendicular to the longitudinal center axis of the plate. The heat transfer pattern further comprises turbulence ridges and turbulence valleys. At least a plurality of the turbulence ridges and turbulence valleys along at least a center portion of their longitudinal extension extend inclined relative to the transverse imaginary straight lines.

Abstract: There is disclosed a heat exchanger apparatus, comprising flat heat exchange plates positioned parallel to each other, and adjustable spacers provided near each vertical edge of the flat heat exchange plates to form a material flow channel. In an embodiment, each adjustable spacer is configured to be adjustable via one or more angular adjustment mechanisms to form a material flow channel with one of a consistent volume channel, a reducing volume channel, and an increasing volume channel. The adjustable spacers are configured to receive spacer extensions to adjust the width of the spacers. The spacer extensions form extend the face of the spacers with a flat or profiled material contact face.

Abstract: A plate for a heat exchange arrangement for the exchange of heat between a first and a second medium. The plate has a first heat transferring surface in contact with the first medium and a second heat transferring surface in contact with the second medium. The plate includes an inlet porthole for the first medium; an inlet porthole for the second medium, and an outlet porthole for the first medium. The first heat transferring surface includes a protrusion forming at least one ridge arranged to divide the heat transfer surface into at least a first region in direct thermal contact with the inlet porthole for the second medium, and a second region not in direct thermal contact with the inlet porthole for the second medium. The second region substantially surrounds the first region. The inlet porthole for the first medium is arranged in the first region, while the outlet porthole for the first medium is arranged in the second region.

Abstract: A heat exchanger including a stack of plates spaced apart in such a way as to present an assembly of intermediate spaces allowing a fluid circulation between the plates. The assembly of intermediate spaces including a plurality of intermediate multi-fluid spaces each intended for circulation of a plurality of fluids between two adjacent plates, and each partitioned into a plurality of compartments separated from each other in a sealed manner. Each compartment is configured for the circulation of one fluid from the plurality of fluids, and is in fluid communication with one of the compartments of a distinct intermediate multi-fluid space.

Abstract: A plate heat exchanger includes a stack of plate pairs with gaps between adjacent pairs, arranged to provide flow paths for a first fluid to pass through inner volumes of the plate pairs while simultaneously allowing a second fluid to flow over the outer surfaces of the plate pairs. At least one cylindrical fluid manifold for the first fluid extends through the plate pairs. A non-planar cap is arranged at one end of the plate heat exchanger to close off the cylindrical fluid manifold. A reinforcement plate is arranged at that end between the non-planar cap and an end plate of the plate heat exchanger. The position of the non-planar cap relative to a central axis of the cylindrical fluid manifold is maintained in order to prevent failure of the plate heat exchanger due to internal pressurization.

Abstract: A heat exchanger includes a first flow channel and a second flow channel that are alternately stacked in a stacking direction, each of the first flow channel and the second flow channel including: upstream parts disposed parallel to one another in a direction perpendicular to the stacking direction and to a direction in which the flow channels extend; downstream parts disposed parallel to one another in a direction perpendicular to the stacking direction and to a direction in which the flow channels extend; and branching/merging parts configured to branch the flow channels immediately upstream of the branching/merging parts into two divergent channels and merge the divergent channels adjacent to one another to form next flow channels, between the upstream parts and the downstream parts, wherein the branching/merging parts are provided in a plurality of stages between the upstream parts and the downstream parts.

Abstract: A plate type heat exchanger includes a plate package in which a plurality of heat exchange plates is stacked to form a flow path, through which fluid flows, an end plate coupled to an outside of the plate package, and a socket connected to the plate package by passing through the end plate. The end plate includes a base which is in contact with the outside of the plate package, a socket hole which is formed through the base and into which the socket is inserted, and a ridge that protrudes outward from an edge of the socket hole of the base.

Abstract: A heat exchanger module with a longitudinal axis including a stack of plates defining at least two fluid circuits, at least a portion of the plates each including fluid circulation channels each delimited, at least in part, by a groove. A communication is produced between the channels within a same plate and between all the plates of a same circuit, in a feed or pre-collector zone, with a succession of channel groupings, two-by-two, in the form of bifurcations.

Abstract: A heat transfer plate and/or a plate heat exchanger including the heat transfer plate includes a plate body forming a patterned section and having a first side and a second side opposite to the first side; a gasket groove formed depressed from the plate body in a direction from the first side towards the second side, and having a bottom wall, the bottom wall having a bottom wall body; and where the gasket groove includes at least a first section with a first recess formed on the bottom wall body, depressed from the bottom wall body in the direction from the first side towards the second side, and a second section with a second recess formed on the bottom wall body, depressed from the bottom wall body in the direction from the second side towards the first side, wherein the second section is adapted to accommodate a gasket.

Abstract: A heat transfer plate (10) for a plate heat exchanger (100) includes: a plate body (11) having a first side (111) and a second side (112) opposite to the first side (111); a gasket groove (12) formed on the plate body (11), depressed from the plate body (11) in a direction from the first side (111) towards the second side (112), and having a bottom wall (120), the bottom wall (120) having a bottom wall body (121); and a recess (20, 20?) formed on at least one segment (125, 125?) of the bottom wall body (121) in a length direction of the bottom wall body (121), depressed from the bottom wall body (121) in the direction from the first side (111) towards the second side (112), and extending along the segment (125, 125?) of the bottom wall body (121) of the gasket groove (12).

Abstract: A heat exchanger is provided with a unitary, single-piece structure that can be formed via 3D printing, for example. The heat exchanger includes a main body a plurality of plates stacked and integrally formed with the body. First fluid channels are defined by gaps in the material of the main body, and second fluid channels are defined by gaps in the material of the main body and are stacked with the first fluid channels in alternating fashion, separated by the plates. Each of the first fluid channels are fluidly coupled to an inlet manifold and an outlet manifold. At least one of the manifolds is provided with surface features that improve heat exchange within the manifold. The surface features may be, for example, projections such as fins that increase surface area contact between the fluid in the manifold and the interior wall of the manifold.

Abstract: The present disclosure discloses a liquid-cooled cold plate device, comprising a microchannel cold plate for dissipating heat of the electronic system, at least two microchannel groups, disposed inside the microchannel cold plate; at least one liquid inlet, provided on the microchannel cold plate and used for the cooling liquid to flow in; at least one liquid outlet provided on the microchannel cold plate and used for the cooling liquid to flow out; the cooling liquid entering the liquid inlet is divided into one cooling liquid branch; the cooling liquid branch flows bidirectionally through the microchannels group. The present disclosure uses a combination of microchannel cold plates and microchannel groups, greatly improves the heat dissipation efficiency, reduces the influence of thermal cascade, thus is beneficial to the efficient heat dissipation of electronic system.

Abstract: A stack type heat exchanger includes a plurality of first plates and a plurality of second plates. At least one of the respective first plates and the respective second plates has a protrusion protruding from a main body of the first plate or the second plate toward a first flow path, the protrusion being located at a peripheral portion of a tank space in the first flow path. The first plate and the second plate are joined to each other through the protrusion. The protrusion has a top portion and a side wall portion. A part of the side wall portion adjacent to the tank space has a thick structure portion, an entire thickness of the thick structure portion being thick in a direction perpendicular to the stacking direction.

Abstract: An end-piece for a plate heat exchanger comprises a frame part having an inner portion, an outer portion and an intermediate portion arranged between the inner and outer portions. An outer wall surface of the inner portion faces a first surface of a package of heat transfer plates comprised in the plate heat exchanger. The first surface has a center portion and a peripheral portion encircling the center portion. The frame part is extruded and the intermediate portion of the frame part comprises a first number of cavities extending in an extrusion direction of the frame part. The extrusion direction is parallel to an axis of the frame part. Further, outer dimensions of the outer wall surface of the inner portion are at least as large as outer dimensions of the center portion of the first surface of the package of heat transfer plates.

Abstract: The present application discloses two-phase cooling devices that may include at least three substrates: a metal with a wicking structure, an intermediate substrate and a backplane. A fluid may be contained within the wicking structure and vapor cavity for transporting thermal energy from one region of the thermal ground plane to another region of the thermal ground plane, wherein the fluid may be driven by capillary forces within the wicking structure. The intermediate substrate may form narrow channels within the wicking structure, providing high capillary forces to support large pressure differences between the liquid and vapor phases, while minimizing viscous losses of the liquid flowing in the wicking structure.

Abstract: A spiral heat exchanger features: a cold fluid inlet manifold, a hot fluid inlet manifold and at least one spiral fluid pathway. The cold fluid inlet manifold receives cold fluid and provide cold inlet manifold fluid. The hot fluid inlet manifold receives hot fluid and provide hot inlet manifold fluid. The at least one spiral fluid pathway includes cold spiral pathways configured to receive the cold inlet manifold fluid and provide cold spiral fluid pathway fluid, and hot spiral pathways configured to receive the hot inlet manifold fluid and provide hot spiral fluid pathway fluid. The cold spiral pathways and the hot spiral pathways are configured in relation to one another to exchange heat between the cold spiral pathway fluid and the hot spiral pathway fluid so that the hot spiral fluid pathway fluid warms the cold spiral fluid pathway fluid, and vice versa.

Abstract: A multi-bed catalytic converter comprising at least a first catalytic bed, a second catalytic bed and a heat exchanger arranged between said first bed and said second bed, wherein said heat exchanger is arranged to transfer heat from the hot effluent of the first bed to a cooling medium; said heat exchanger comprises a plurality of stacked round plates, wherein adjacent plates define gaps therebetween, and the effluent of the first catalytic bed and the cooling medium are respectively fed into alternate gaps.

Abstract: A plate package for a heat exchanger device includes a plurality of heat exchanger plates with mating abutment portions forming a fluid distribution element in every second plate interspace thereby forming in the respective second plate interspaces two arc-shaped flow paths wherein a respective one of the two flow paths is divided into at least three flow path sectors arranged one after the other along a respective flow path. A plate and a heat exchanger are also disclosed.

Abstract: A heat exchanger for a motor vehicle includes a seal and a core. The core includes a first groove formed in a first side and a second groove formed in an opposing second side. The first groove and the second groove are each configured to receive a portion of the seal to secure the seal to the core. The seal includes a cross member and a pair of uprights extending from opposing ends of the cross member, wherein the cross member and the uprights each include a sealing element. The uprights further include a rail extending from the upright and configured to be received in the groove of the core. The core further includes an integrated shear panel formed at opposing ends thereof.

Abstract: An intercooler includes a cooling tube having a first coolant passage through which a first coolant flows and a second coolant passage through which a second coolant flows. A pair of plate portions having a predetermined shape are bonded with each other by brazing such that the pair of plate portions are superposed on each other to define the first coolant passage and the second coolant passage between the pair of plate portions. The cooling tube includes a passage partition portion separating the first coolant passage from the second coolant passage at a part of the pair of plate portions between the first coolant passage and the second coolant passage, and at least one through-hole in the passage partition portion. At least one swaged portion that crimps the pair of plate portions is provided at a periphery of the through-hole.

Abstract: Flat tube of a charge air heat exchanger, produced from at least one metal sheet that has been pressed to form an exchange plate, said pressing allowing a fluid inlet and a fluid outlet to be connected by a circuit through which a heat-transfer fluid circulates, said circuit comprising at least one metal insert placed within it and made from a material that creates a potential difference of 30 mV or more with the material of the flat tube.

Abstract: Methods and devices heat or cool viscous materials, such as meat emulsions useful for producing food and other products. The devices have a heat exchanger including a first plate, a second plate attached to the first plate, and a first spacer and a second spacer arranged between the first plate and the second plate. The first plate, the second plate, the first spacer, and the second spacer define at least one temperature controlled passage for a product to pass through the heat exchanger.

Abstract: A spiral heat exchanger features first spiral channels configured to form rows and columns of coiled hot fluid pathways to receive hot fluid; and second spiral channels configured to form corresponding rows and columns of coiled cold fluid pathways to receive cold fluid having a temperature less than the hot fluid. The first spiral channels and the second spiral channels are configured to alternate every other row and column so as to form a matrix of alternating rows and columns of coiled hot and cold fluid pathways separated by alternating coiled walls that act as both fluid separators and conduits through which heat is transferred between the hot fluid and cold fluid.

Abstract: A heat transfer plate (10) for a plate-and-shell heat exchanger (100), the heat transfer plate (10) includes a plate body (11) having first and second sides (111, 112) opposite to each other in a direction perpendicular to the plate body (11); and a projection (12) protruding from the plate body (11) in a direction from the first side (111) towards the second side (112), extending along a segment (115S) of a periphery (115) of the plate body (11), and having a first end (121) and a second end (122).

Abstract: An integrated gas management device (GMD) for a fuel cell has a gas-to-gas humidifier for transferring water from a second gas to a first gas; and a heat exchanger attached to a first end of the humidifier core for cooling the first gas. The GMD may optionally have a thermal isolation plate between the heat exchanger and the first end of the humidifier core. The GMD further has a bypass line to allow the first gas to bypass the humidifier. The first gas may be cathode charge air and the second gas may be cathode exhaust.

Abstract: The radome for vehicles includes a frontal layer (1) and a rear layer (2), both made from thermoplastic material, and it also includes a heating element (3) placed on the frontal layer (1), on its face opposed to the rear layer (2). The method for manufacturing the radome includes forming the frontal layer (1) with the heating element (3) placed on a face of the frontal layer (1); placing the conductive element(s) (5) in the heating element (3) ; forming the rear layer (2); assembling the frontal and rear layers (1, 2), so that the heating element (3) is on the face of the frontal layer (1) opposite to the rear layer (2). Some embodiments provide a radome with a heating function and an outstanding appearance.

Abstract: A curvilinear plate for a heat exchanger is provided. The curvilinear plate can include an inner plate defining a plurality of first grooves and an outer plate defining a plurality of second grooves. The outer plate is attached to the inner plate with the plurality of first grooves and the plurality of second grooves substantially aligned to define a plurality of channels therebetween. Each channel extends from a first opening on a first portion of a first end of the curvilinear plate to a second opening on a second portion of the first end. A method is also generally provided for forming a curvilinear plate.

Abstract: A plate for a heat exchanger between a first medium and a second medium, with a main plane of extension and a main longitudinal direction includes a first heat transfer surface, parallel to said main plane and in contact with the first medium; and a second heat transfer surface, parallel to said main plane and in contact with the second medium. The first surface includes a first medium inlet region, a first medium transfer region and a first medium outlet region including a first medium outlet port. The second surface includes a second medium inlet region, a second medium transfer region and a second medium outlet region, which second medium inlet region overlaps with the first medium outlet region and includes a second medium inlet port not overlapping, with the first medium outlet port.

Abstract: A heat transfer plate and a heat exchanger comprising a plurality of such heat transfer plates are provided. The heat transfer plate comprises a heat transfer pattern of alternately arranged ridges and valleys. First and second adjacent ridges extend obliquely in relation to a longitudinal centre axis of the plate and comprise a first top portion and a second top portion, respectively, and first and second adjacent valleys extend obliquely in relation to the longitudinal centre axis and comprise a first bottom portion and a second bottom portion, respectively. The first bottom portion of the first valley is connected to the first top portion of the first ridge by a first flank and to the second top portion of the second ridge by a second flank, and the second top portion of the second ridge is connected to the second bottom portion of the second valley by a third flank.

Abstract: The invention, which relates to a device for charge-air cooling, has as its objective to specify a device that can be produced simply and cost-effectively and that ensures reliable functionality. This task is resolved according to the invention thereby that the housing comprises a capping that closes off the housing in which is disposed an inflow and an outflow.

Abstract: A stacked-plate heat exchanger for cooling a plurality of heat-generating electronic components arranged in a plurality of layers comprises a stack of flat tubes defining a plurality of parallel fluid flow passages, the tubes being separated by spaces for receiving the electronic components. One or more flow-restricting ribs is arranged within at least some of the fluid flow passages to partially block fluid flow between at least one the manifolds and the heat transfer area by reducing the height of the fluid flow passage outside the heat transfer area, along at least a portion of the width of the fluid flow passage, in order to improve the flow distribution of a heat transfer fluid between and within the fluid flow passages of the heat exchanger, and to minimize bypass flow at the outer edges of the fluid flow passage.

Abstract: A plate for a heat exchanger includes a substantially planar body having a first end, a second end opposing the first end, a fluid surface, and an outer surface. A first cup extends from the outer surface of the body adjacent the first end of the body. A second cup extends from the outer surface of the body and is spaced from the second end of the body.

Abstract: In a plate heat exchanger, a bypass passage and a main passage are formed upstream of first passages and second passages between adjacent ones of first heat transfer plates and second heat transfer plates. The bypass passage allows first fluid flowing from an inflow port of the first fluid or second fluid flowing from an inflow port of the second fluid to pass a side farther than a corresponding one of adjacent holes while spreading in a vertical direction in a front view and then flow into an inner fin or a corrugated heat transfer surface. The main passage allows the first fluid flowing from the inflow port of the first fluid or the second fluid flowing from the inflow port of the second fluid to directly flow toward the inner fin or the corrugated heat transfer surface without routing through the bypass passage. A flat space is formed around an entire circumference of each of the adjacent holes, between a circumferential wall and the inner fin or the corrugated heat transfer surface.