Abstract: A fluid delivery apparatus is provided for supplying a fluid mixture to a distillation column or reactor. The apparatus can be used to enhance the heat duty, the flow and/or the flow stability of an existing thermosiphon reboiler which supplies a heated fluid to the column or reactor. The apparatus includes an integrated eductor which receives and increases the fluid velocity of a supplemental fluid into which the heated fluid is aspirated to form a fluid mixture then delivered to the column or reactor. A process and a system utilizing the apparatus are also disclosed, as well as a method of retrofitting an existing system with the apparatus.

Abstract: A heat exchanger apparatus for a vehicle may include a tank receiving a first operating fluid therein through a first inflow port and exhausting the first operating fluid therefrom through a first exhaust port, first and second headers formed to lower and upper portion of the tank and receiving and exhausting a second operating fluid respectively through a second inflow port and a second exhaust port formed respectively at the lower portion and the upper portion of the tank, and mounted respectively at the lower portion and the upper portion of the tank so as to form first and second chambers at the lower and upper portion of the tank, and at least one heat radiating unit provided with at least one coupling pipe fluidly connecting the first chamber of the first header with the second chamber of the second header.

Abstract: A heat exchange module 12 is formed by stacking pipe groups obtained by fixing a plurality of pipes 1 with use of pipe array holding members 9a to 9d. Flow path forming members 50 are arranged on pipe groups in the uppermost and lowermost layers, and walls 51 and 52 are provided so as to protrude from the outer-side pipe array holding members and the inner-side pipe array holding members. Flow path members 63 are provided between the walls 51 and 52 adjacent to each other so as to allow through holes 53 and 54 to communicate with each other. The heat exchange module 12 is housed in the housing 2, and while rotating the housing 2, a resin material 24 is filled into a space enclosed by the two inner-side pipe array holding members of each pipe group in the housing 2, interstices around the pipes present between an opening 15a of the housing and the outer-side pipe array holding members, and interstices around the pipes present between an opening 15b of the housing and the outer-side pipe array holding members.

Abstract: Systems and methods for improving heat exchangers by implementing self-energizing seals. In one embodiment, a U-tube heat exchanger includes a shell enclosure, a tube sheet, a closure and a set of tubes welded to the tube sheet. The tube sheet separates first and second chambers from a third chamber in the shell enclosure. The closure seals the first and second chambers. Each tube extends from the first chamber, through the third chamber to the second chamber. The improvement comprises a seal between the shell enclosure and either the closure or the tube sheet. The seal includes conically tapered sealing surfaces on the shell enclosure and closure or tube sheet which form a wedge-shaped gap. A seal ring having surfaces complementary to the sealing surfaces of the shell enclosure and closure or tube sheet is positioned between the sealing surfaces to form a self-energized seal.

Abstract: A heat exchanger comprises a shell comprising a hollow shell body and separate shell end members attached thereto. A number of tubes is disposed within the shell body which is sized to permit both ends of the tubes to project outwardly therefrom to facilitate access for attaching the tubes ends to respective tube header plates, after which time the shell end members are slid over the shell body towards the shell body ends for attachment to respective header plates. The heat exchanger can include an expansion element attached between a shell end member and the shell body, wherein the expansion element is positioned adjacent a slidable joint formed by an overlapping section of the shell body and shell end member. Together, the expansion element accommodates axial movement and the slidable joint carries vibration loads between the shell body and shell end member.

Abstract: A ceramic heat exchanger includes a heat exchange section that heat-exchanges between two fluids A and B flowing opposite directions to each other. The heat exchange section includes ceramic blocks stacked one on top of another with a seal therebetween. The ceramic blocks have a plurality of parallel lines of flow channels, each line defined by the flow channels through which the same fluid flows, any two adjacent lines being defined by the flow channels through which the different fluids A and B flow respectively. Both ends in the stacking direction of the stack are bound to join and integrate the ceramic blocks with tightening means including end plates and a tie rod. A thermal expansion absorber is disposed on an external surface of the end plates for absorbing thermal expansion in the axial direction of the tie rod.

Abstract: A household appliance includes a drying chamber, a process air loop and a heat pump. The heat pump includes a heat transfer loop containing a heat transfer fluid, an evaporator heat exchanger, a liquefier heat exchanger, a compressor, and a nozzle. The heat transfer fluid has a critical temperature above 60° C., a nominal heat of vaporization at boiling point of at least 220 kJ/kg, a GWP index of less than 150 and a lower flammability level of at least 0.1 kg/m3. Preferably, the household appliance is a dryer for drying wet laundry.

Abstract: A heat exchanger is disclosed. The heat exchanger may have an inlet configured to receive a first fluid and an outlet configured to discharge the first fluid. The heat exchanger may further have at least one passageway configured to conduct the first fluid from the inlet to the outlet. The at least one passageway may be composed of a graphite foam and a layer of graphite material on the exterior of the graphite foam. The layer of graphite material may form at least a partial barrier between the first fluid and a second fluid external to the at least one passageway.

Abstract: The invention relates to a heat exchanger, in particular a charge air cooler or exhaust gas cooler for an internal combustion engine of a motor vehicle, having a first box (2), a second box (3) which is arranged spaced apart from this first box (2), and a plurality of pipes (12) by means of which the first box (2) and the second box (3) are fluidically connected. Furthermore, the heat exchanger has a chamber (6) through which a coolant can flow and which is arranged between the two boxes (2, 3) and through which a plurality or all of these pipes (12), by means of which the two boxes (2, 3) are fluidically connected, run.

Abstract: A heat exchanger with a plurality of stacked flat tubes and a collecting tank having a wall extending around the entire periphery of, and connected to, the end of the stacked flat tubes. A first medium may be distributed through the collecting tank and flat tubes. Internal inserts are in the flat tubes, with the inserts being bonded between the broad sides of the tubes and, in the region of connection of the tubes to the collecting tank, being configured to compensate for length changes in the stacking direction caused by temperature changes, as by recesses in connectors such as wave flanks or by corrugated wave flanks. The flat tubes with inserts such as described may be separately provided for use in manufacture of heat exchangers.

Abstract: An exhaust-gas cooler includes a housing having a bypass duct and a cooling zone having arranged therein an exhaust-gas cooling duct which includes an entry cooling duct, at least one reversing duct connected to the entry cooling duct, and an exit cooling duct connected to the reversing duct. The reversing duct is constructed to conduct the exhaust-gas flow in opposite direction to a direction of flow in the entry cooling duct and the exit cooling duct. A control element is received in the housing for selectively directing an exhaust-gas flow through the bypass duct or through the cooling zone, with the bypass duct being segregated from a deflection zone of the reversing duct.

Abstract: A thermal energy exchanger assembly (100) includes an exchanger housing (138). The exchanger housing (138) houses a pair of core support assemblies (174) formed of individual core supports (200). The core supports (200) are coupled together so as to form apertures 228. Core tubes (180) are received within the apertures (228). A fresh airstream (122) is made to flow through the core tubes (180) while a stale airstream (114) is made to flow between and around the core tubes (180). In this manner, an exchange of thermal energy occurs between the fresh airstream (122) and the stale airstream (114).

Abstract: A header plate assembly for a heat exchanger includes a plate having a tube side and a tank side. A plurality of apertures extends through the plate. Each aperture has a first portion on the tube side of the plate, the first portion having a first cross-dimension, and a second portion adjacent the first portion and having a second cross-dimension that is smaller than the first cross-dimension, with a first shoulder being formed between the first and second portions. Each of a plurality of collars has an aperture extending therethrough, with a portion of each collar being received in the first portion of one of the apertures in the plate. A seal is positioned in each of the first portions of the apertures and between one of the collars and one of the first shoulders. A plurality of fasteners secures the collars to the plate.

Abstract: The invention relates to shell-and-tube heat exchangers, including those used to cool cracking gas in petroleum refining, containing wear resistant tube plate linings. In the heat exchangers, at least a portion of the inlet tube plate is covered by wear-resistant inserts which can be at least partially inserted into the heat exchanger tubes.

Abstract: A heat exchanger comprising a large number of flexible individual elements, has supply and discharge devices for the heat exchanger media and also has, for these elements, tension devices which expand during heating. The tensioning of the individual elements, which are adhesively bonded at each of their two ends into slots of end plates, takes place by the application of the required forces to the end plates. A heat exchanger of this type is illustrated in FIG. 1.

Abstract: A system for cooling and recuperative heating of a slurry in a metallurgical process which includes heat exchangers, pumps and autoclaves is described herein. The heat exchangers use a non-scaling common liquid heat transfer medium. Preferably, the heat exchangers are tube-in-tube heat exchangers with 3 to 7 slurry tubes in each heat exchanger. An advantage of this system is that it does not use flash tanks. To minimize abrasive wear on impinged surfaces, the velocity of the slurry is not more than 5 meters per second. The slurry comprises a solids concentration of 25% to 50%. Preferably, the pumps in the system are float-type pumps in which the driven liquid from the discharge pumps is also used as the drive liquid for the feed pumps.

Abstract: A hybrid heat exchanger apparatus having a heat exchanger device with a hot fluid flowing therethrough includes a cooling water distribution system and an air flow mechanism for causing ambient air to flow across the heat exchanger device. The cooling water distribution system distributes evaporative cooling water onto the heat exchanger device to wet only a portion of the heat exchanger device while allowing a remaining portion of the heat exchanger device to be dry. The air flow mechanism causes ambient air to flow across the heat exchanger device to generate hot humid air from the ambient air flowing across the wet portion of the heat exchanger device and hot dry air from the ambient air flowing across the remaining dry portion of the heat exchanger device. Methods are also described.

Abstract: An exchange apparatus comprised of hollow perfluorinated thermoplastic tubes fusion bonded into a perfluorinated thermoplastic material to form unified terminal end blocks is disclosed. The hollow tubes are shaped by plaiting the tubes into cords and thermally annealing the cords to set the bends of the plait. The apparatus can have a housing bonded to the unified terminal end blocks. In use a first fluid enters the hollow tubes at openings in a first unified terminal end block, flows through the lumens of the tubes, and exits the tubes through a second unified terminal end block. A second fluid enters the housing, is separated from the first fluid by the wall of the tubes, and substantially fills the space between the inner wall of the housing and the outer diameters of the hollow tubes. Energy is transferred between the first and second fluids through the tube walls.

Abstract: An exhaust gas recirculation (EGR) cooler includes a plurality of tubes and a shell enclosing the tubes. During use, cooling water is supplied to and discharged from the shell, and exhaust gas is guided from a diesel engine into the tubes to be heat exchanged with the cooling water. An inner periphery of each of the tubes is formed with three streaks of spiral protrusions running without crossing and with phases peripherally shifted to each other. A pitch P ratio of each of the spiral protrusions to an inner diameter of each of the tubes is 2.0-4.0, and a ridge height H ratio of each of the spiral protrusions to the inner diameter of each of the tubes is 0.1-0.2.

Abstract: The invention relates to an assembly for exchanging heat between first and second fluids, the assembly comprising a central manifold communicating with one of the inlet and the outlet for the first fluid; an annular manifold disposed around the central manifold and communicating with the other one of the inlet and the outlet for the first fluid; a plurality of heat exchangers interposed radially interposed between the central manifold and the annular manifold; and a plurality of axial inlet manifolds communicating with the inlet for the second fluid, and a plurality of axial outlet manifolds communicating with the outlet for the second fluid, the axial inlet and outlet manifolds being interposed circumferentially between the heat exchangers. According to the invention, the assembly has an inlet chamber disposed at a first axial end of the heat exchangers and putting the inlet(s) for the second fluid into communication with at least a plurality of axial inlet manifolds.

Abstract: A multipass tubular heat exchanger utilizing a pass partition plate and a tubesheet is described which is suitable for use with high differential pressure tubeside fluid without deformation or dislocation of the pass partition plate, thereby avoiding the problem of tubeside fluid bypassing. The pass partition plate has an edge fitting into a corresponding groove in the tubesheet. The edge and the corresponding groove each have a radius of curvature about an axis extending generally perpendicular to the tubesheet.

Abstract: A superheated steam generator includes an introduction section for introducing saturated steam into hollow pipe members arranged as steam flow passages and acting as inductively heated elements, and a discharge section for discharging superheated steam from the flow passages, wherein a turbulence generator is disposed in each of the steam flow passages to accelerate heat transfer to the steam in the pipe members, wherein the turbulence generator is a zigzag bent member disposed in the steam flow passage, and a zigzag bending pitch of the bent member changes from rough to minute from the introduction section to the discharge section.

Abstract: Disclosed is a heat exchanger, particularly an exhaust gas heat exchanger for an internal combustion engine of a motor vehicle, comprising a housing jacket that is open at both ends, and a tube bundle which is inserted into said housing jacket and is penetrated by the hot exhaust gas. The aim of the invention is to produce said heat exchanger in an inexpensive and functionally safe manner. Said aim is achieved by the fact that only the tube bundle with the tube bottoms thereof, which are located on the front side, are made of metal while the housing jacket into which the tube bundle is inserted along with the tube bottoms is made of plastic.

Abstract: A cooling device may include a fluid inlet manifold, a case body, and a fluid outlet manifold that are formed of a molded polymer composite material. The fluid inlet manifold may include a fluid inlet channel and a fluid inlet reservoir. The case body may include a plurality of cooling channels extending from a first surface of the case body to a second surface of the case body. The cooling channels may fluidly couple the first surface of the case body to the fluid inlet reservoir. The fluid outlet manifold may further include a fluid outlet channel and a fluid outlet reservoir. The cooling channels may fluidly couple the second surface of the case body to the fluid outlet reservoir. The fluid inlet channel, cooling channels, and fluid outlet channels may include a cross-section topology.

Abstract: The present invention concerns an isothermal reactor (1) for carrying out exothermal or endothermal heterogeneous reactions comprising: —a substantially cylindrical outer shell (2) with longitudinal axis (X), —at least one catalytic bed (6) extending in the shell (2) and comprising opposite perforated side walls (7, 8) respectively for the inlet of a gaseous flow of reactants and for the outlet of a gaseous flow comprising reaction products, and —a heat exchange unit (12) immersed in said at least one catalytic bed (6) and crossed by a heat exchange fluid, characterized in that said heat exchange unit (12) comprises at least one succession of heat exchangers (13) arranged substantially parallel to each other and substantially parallel to the direction in which said at least one catalytic bed (6) is crossed by said gaseous flow of reactants.

Abstract: Sealing arrangement for an internal tubesheet for tubular heat exchangers comprising, a gasket fitted between a shoulder and a tubesheet, the gasket being made of spiral wound construction but without any metallic rings and without any locating groove in the adjoining components. On the outer side of the tubesheet, a channel box is provided with its inner face resting on a shoulder provided on an outer diameter of the tubesheet while the outer face of the channel box is reduced in diameter and arranged to align with the centerline of the push bolts, the outer face of the channel box resting against and attached to an annular ring and the push bolts being provided in threaded holes that reach up to the outer face of an internal flange. The push bolts, when tightened, load the annular ring, which in turn loads the gasketed joint through the channel box and the tubesheet.

Abstract: Seal for tubular heat exchanger comprising groove with an inner edge; tongue of the diaphragm having front face extending in the radial direction and inner edge parallel to the axis of the channel; the face extending beyond the radial width of the groove in inward direction and overlapping the face of the shoulder of the channel in which the groove being provided. The tongue of the diaphragm being thus kept away from entering the groove; the diaphragm having flexibility to permit deflection of the tongue, the tongue of the diaphragm being loaded from outer side by the internal compression ring, the said internal compression ring being loaded in turn by the threaded push bolts/rods being fitted in the threaded holes on periphery of the threaded lock ring. This load is ultimately transferred to the joint between the gasket and face to achieve leak-proof joint.

Abstract: The invention relates to a heat exchanger, in particular an exhaust gas heat exchanger for motor vehicles, having tubes (3) through which a gas can flow, which are arranged in a housing casing (2) and around which a liquid coolant can flow, wherein the tubes (3) have tube ends which are held by tube bases. It is proposed according to the invention that the tubes are embodied as flat tubes (3), and that, at least one side of the tubes (3), the tube ends (3a, 3b) are flared to form an approximately rectangular cross section and can be soldered to the tube bases (7, 8).

Abstract: The heat exchanger has exchange and fluid flow components (2, 2?), at least one fluid manifold (11) into which the exchange components (2, 2?) open, at least one header plate (10) for holding the exchange components (2, 2?), and a casing (4) for accommodating the exchange components (2, 2?). According to the invention, the fluid manifold (11) is held directly by the casing (4). A compact heat exchanger is produced.

Abstract: A method for the production of heat exchangers (10, 110, 210) of the so-called plate type, comprising the operative steps of: —juxtaposing a couple of substantially identical metal plates (12, 14), —fixing together said juxtaposed plates (12, 14) to one another by means of welding performed at respective perimetric sides (13a, 13b, 13c, 13d), —further fixing together said juxtaposed plates to each other by means of a plurality of welding tracts (22), arranged in at least two alignments, parallel and adjacent to a couple of opposite perimetric sides (13a, 13c) of the plates themselves (12, 14), and at a pre-established spaced relationship from said sides, —introducing a fluid under pressure between said juxtaposed metal plates (12, 14), to form a hollow, substantially box-shaped body (17), in which an internal chamber (16) and two substantially tubular passages (16a, 16b), formed between said couple of opposite perimetric sides (13a, 13c) and the respective adjacent alignments of the welding tracts (22), are d

Abstract: A base module for a condenser tumble dryer housing the functional parts and air conduction components and additionally being configured as part of the support structure of the tumble dryer. The base module comprises perpendicular joint faces in relation to the front end shield and the rear process air cover. The joint faces lie essentially on at least one perpendicular plane or on at least two perpendicular planes that are offset in a staggered manner in relation to one another, have a large surface area and preferably extend over the entire width of the tumble dryer. The proposed base module has significant advantages in terms of its mechanical stability as an individual structural component and as part of the entire support structure and in terms of the effective conduction of the air streams, the production of the individual parts and the assembly of the final module.

Abstract: A shell-and-tube heat exchanger including a casing tube and at least one inner tube for treating liquid food products, optionally also with a product/product flow guidance, and having at least one thermal-expansion compensating device for the casing and/or inner tube, with the compensating device having a surface which can be contacted by the product to be treated, where the surface is provided on a bellows integrated into the casing and/or inner tube, with a plurality of relatively wide folds which extend around the tube axis and are of rounded cross-section, with the respective fold being configured with a radial depth and an axial width with a ratio of B:T of about 1 or more and to be cleanable on the product side in a hygienically irreproachable way.

Abstract: A pressurized-gas cooler has a housing having a cylindrical side wall centered on an axis, an axially open outer end, and an axially closed inner end. A cover fitted to and closing the open outer end carries a bundle of tubes inside the housing between the housing ends. The tubes all extending parallel to one another at an angle of between 2° and 10° to a diametral plane including the housing axis such that the bundle is closer in a direction perpendicular to the plane to the side wall of the housing at one end of the housing than at the opposite end of the housing. Pressurized-gas inlet and outlet fittings open into the housing, with at least the gas inlet fitting opening into the housing to a side of the plane where the tube bundle at the respective end of the housing is more widely spaced.

Abstract: A drip tube has a generally horizontal section, a generally vertical section and a drip loop connecting the sections. The drip loop is positioned so that its exterior surface is lower than the exterior surfaces of the generally horizontal section and the generally vertical section at the points where they meet the drip loop to provide a location where water may drip.

Abstract: A heat exchange device includes a first flow path for a first fluid and a second flow path for a second fluid, and the components of the inventive heat exchanger are interconnected by a connection material. Connections that are substantially directly exposed to the flow of the first fluid are formed of a first connection material and connections that are not directly exposed to the flow of the first fluid are formed of a second connection material. The composition of the first and the second connection material is different.

Abstract: Threaded channel closure for tubular heat exchanger comprising channel header wherein the gasket is provided at the shoulder of the channel, tongue of the diaphragm is provided to apply pressure on the gasket to achieve the sealed joint, outer compression ring provided at back side of the diaphragm and being loaded by push bolts, provided at the periphery of threaded lock ring, outer compression ring being supported by channel cover, which is kept in position by threaded lock ring, characterized in that, the channel header being provided with plurality of radial holes on its periphery, approximately at the centerline of the width of the outer compression ring in its assembled condition; the outer compression ring being provided with plurality of radial through holes matching the set of holes in number as well as angular position.

Abstract: The invention relates to a header tank for a heat exchanger, comprising a header plate intended for the fixing of a plurality of tubes through which at least one fluid flows, and a cover intended to close the header tank at least in part when fixed to the header plate, and an elastic sealing means (1) situated between the header plate and the cover, characterized in that the sealing means (1) is arranged resting against and in tension on at least two ends of tube. The invention also relates to the heat exchanger that incorporates two header tanks like those defined and to the method of fitting such a sealing gasket in a header tank.

Abstract: The invention relates to a header plate (1) of a heat exchanger, comprising a plurality of openings or sockets (2) intended for the fixing of a plurality of tubes or the like through which at least one fluid flows, the header plate extending along a planar surface (XX), characterized in that the distance between two adjacent openings or sockets (2), or “tube spacing” (p), is less than 9.5 millimeters (mm). The invention also relates to a header tank with such a header plate (1) and to a brazed or “mechanical” heat exchanger including such a header tank.

Abstract: A heat exchanger (10?) for the air supply circuit of a motor vehicle engine, comprises a heat exchange core (100) and at least one header tank (210?). The heat exchanger (10?) comprises an air flow rate control valve (300) arranged in the header tank (210?) of the exchanger, and the control valve (300) is a valve comprising a body (310) with three openings (311; 313) and a moving rotary member (320) inside the body (310) so as to control the circulation of air through the heat exchange core (100) and/or through a duct (13?) bypassing the heat exchange core (100) according to a law defined as a function of the angular position of the rotary member (320) in the body (310). The heat exchanger (10?) is particularly applicable to motor vehicles with a supercharged engine.

Abstract: A mini-channel heat-exchanger for a refrigeration circuit having an inlet manifold; a first return manifold; a first heat exchange pass in fluid communication between the inlet manifold and the first return manifold, the first heat exchange pass including a plurality of mini-channels; and a system charge tank in direct fluid communication with the first return manifold.

Abstract: A high temperature heat exchanger for use with a small gas turbine engine to produce a combined cycle power plant, where the heat exchanger includes ceramic heat exchange tubes of SiC that are tightly fitted to the heat exchanger so that no welds or brazing is used and prevent any thermal stresses between the tubes and the heat exchanger end plates or baffle plates. The heat exchanger includes an inner casing and an outer casing with the heat exchange tubes extending through the heat exchanger between the two casings, and the gas turbine engine operating in the space within the inner casing. The tubes are tightly fitted in holes within the end plates and baffle plates, and a molybdenum disulfide coating is used to form a seal.

Abstract: Systems and methods for improving heat exchangers by implementing self-energizing seals. In one embodiment, a U-tube heat exchanger includes a shell enclosure, a tube sheet, a closure and a set of tubes welded to the tube sheet. The tube sheet separates first and second chambers from a third chamber in the shell enclosure. The closure seals the first and second chambers. Each tube extends from the first chamber, through the third chamber to the second chamber. The improvement comprises a seal between the shell enclosure and either the closure or the tube sheet. The seal includes conically tapered sealing surfaces on the shell enclosure and closure or tube sheet which form a wedge-shaped gap. A seal ring having surfaces complementary to the sealing surfaces of the shell enclosure and closure or tube sheet is positioned between the sealing surfaces to form a self-energized seal.

Abstract: In a heat exchanger in which the number of parts is small, assembling is easy, bonded portions between each part are fewer and reliability of brazing is improved, a core body is constituted by turning up and bending a strip-shaped metal plate in a fanfold manner, and first flow passages and second flow passages are formed alternately in the thickness direction. Both ends of each of the first flow passages are blocked by each comb tooth of a pair of comb-state members, and a fin is set within the second flow passages so as to constitute a core. And a cylindrical casing is fitted with the outer periphery of the core body, and the casing is constituted by a channel-state material covering three faces of the outer periphery of the core body and a lid material blocking an opening of the channel-state material.

Abstract: A drum assembly of a laundry dryer includes a cylindrical drum main body formed through a seam-welding process, a drum head including a main head rim having a predetermined width in a direction toward a center of the drum main body, the main head rim being coupled to a first end of the drum main body and provided with a plurality of elevated portion, and a support sleeve bent from an end of the main head rim, a drum rear wall coupled to a second end of the drum main body and provided with a plurality of hot wind introducing holes, and a lift coupled to an inner circumference of the drum main body to lift the laundry.

Abstract: The present invention pertains to an electric heating element with at least one flat heating resistor to be arranged near a surface to be heated, and at least one electrode that serves to feed a current into the heating resistor and features at least two contact conductor strands that are, at least locally, connected to one another and to the heating resistor, at least in an elongated contacting region. The invention proposes that at least at one location along the electrode and/or the contacting region at which at least one of the contact conductor strands, at least locally, extends parallel to the direction of the electrode, and/or the contacting region, at least one additional contact conductor strand, at least locally, extends at an angle thereto.

Abstract: Various embodiments of the present invention provide a heat exchanger having a collection tank having an internal chamber, and a header connected to the collection tank and receiving a number of flat tubes through apertures in the header. In some embodiments, a reinforcing member received within the collection tank and/or the header functions to reinforce the header and/or the collection tank in applications where these elements are subject to internal pressures that would otherwise deform the header and/or collection tank to an unacceptable extent. Also, some heat exchanger embodiments utilized a curved gasket on each flat tube to match the shape of the flat tubes and a curved header. Also, another gasket can be located between a metal or plastic collection tank and a plastic or metal header, respectively, to prevent leakage therebetween.

Abstract: In a heat exchanger having a casing in which a joint of the casing and between a core and the casing are brazed and fixed without a gap, the section of a portion in contact with the casing body is formed at a right angle at both ends of an upper edge portion of a header plate, and an upper lid is fitted so that it is brought into contact with the upper edge of the header plate over the entire length.

Abstract: In a heat exchanger including a plurality of tubes 1 through which a first fluid passes, a housing 2 in which the tubes 1 are installed, and sealing members for sealing a second fluid that flows over surfaces of the tubes 1, the housing 2 includes an inlet 4 for introducing the second fluid therein and a first outlet 5 and second outlets 6 for discharging the second fluid, and the sealing members include a first sealing member 3a positioned on one of end sides of the tubes 1, a second sealing member 3b positioned on the other end side of the tubes 1, and a third sealing member 3c positioned between the first and second sealing members 3a and 3b. The third sealing member 3c is provided so that a gap 7 is provided between the first sealing member 3a and the third sealing member 3c while another gap 7 is provided between the second sealing member 3b and the third sealing member 3c, and that a flow path for the second fluid is formed therein. The second outlets 6 are provided so as to be connected to the gaps 7.

Abstract: The present invention concerns an isothermal reactor (1) comprising a substantially cylindrical shell (2), at least one catalytic bed (10) supported in the shell (2) and at least one heat exchange unit (13) supported in the bed (10), the heat exchange unit (13) comprising a plurality of exchangers (14) substantially box shaped, of essentially elongated rectangular and flattened structure, each of the exchangers (14) having opposite long sides (14a) parallel to the cylindrical shell (2) axis and opposite short sides (14b, 14c) extended perpendicularly with respect to the shell axis and comprising furthermore an inner chamber (18) through which a heat exchange operating fluid in intended to flow, wherein at least one exchanger (14) of such at least one heat exchange unit (13) is internally equipped with a plurality of separation baffles (19) extended from a short side (14b or 14c) of the exchanger to the opposite short side (14c or 14b) and in a predetermined spaced relationship with respect to the latter, defi

Abstract: Apparatus including cooling manifold, having metal cooling body and metal cooling block. Metal cooling body has internal passageway. Metal cooling block extends away from metal cooling body. Metal cooling block has surface oriented for being placed adjacent to and in substantially direct thermal communication with an electronic component located at distance away from metal cooling body. Cooling manifold is configured for circulating a working fluid through internal passageway and for precluding passage of the working fluid from metal cooling body into metal cooling block. Method that includes providing electronic component and cooling manifold. Provided cooling manifold includes metal cooling body and metal cooling block; metal cooling body has internal passageway; metal cooling block extends away from metal cooling body; metal cooling block has surface oriented adjacent to and in substantially direct thermal communication with electronic component being located at distance away from metal cooling body.