Abstract: An aircraft propulsion module comprises a hydrogen storage system, an electrochemical converter (7) connected to the hydrogen storage system, wherein the at least one electrochemical converter is adapted to convert hydrogen supplied from the hydrogen storage system (12) into electric energy, and an electric motor (5) electrically connected to the electrochemical converter, wherein the electric motor is adapted to generate thrust; wherein the propulsion module comprises at least one separation means (9) adapted to separate at least one component of the propulsion module from the propulsion module. An aircraft comprises at least one such aircraft propulsion module. A method for operating a propulsion module comprises that: during operation of the propulsion module, at least one separation means is actuated, by which actuation at least one component of the propulsion module is separated from the remaining propulsion module and then falls from the remaining propulsion module.

Abstract: Provided is a partition plate used in a ventilator that supplies air and exhausts air at the same time. The partition plate includes: a first layer including a first porous substrate having a plurality of first pores, the first layer having a first pinhole formed by at least some of the first pores; a second layer stacked on the first layer and including a second porous substrate having a plurality of second pores, the second layer having a second pinhole formed by at least some of the second pores, the second pinhole being located at a position different from a position facing the first pinhole; and a third layer stacked on the second layer and made of a water-insoluble moisture-permeable resin.

Abstract: An embodiment integrated thermal management system for a vehicle includes a main refrigerant line configured to circulate a refrigerant sequentially through a compressor, an inner condenser, an outdoor heat exchanger, and an evaporator, an integrated chiller configured to perform heat exchange between a first coolant flowing through a battery, a second coolant flowing through an electronic component, and the refrigerant, a gas injection refrigerant line branched from a downstream point of the inner condenser of the main refrigerant line based on a flow direction of the refrigerant and connected to the compressor, and a gas injection heat exchanger configured to perform heat exchange between the refrigerant flowing through the gas injection refrigerant line and the refrigerant flowing through the main refrigerant line.

Abstract: The invention relates to an adapter (8) for connecting a header (5) of a heat exchanger (i) having a header cross section (25) to a manifold (6) having a manifold cross section (26) which has a different shape from the shape of the header cross section (25). An adapter (8) connects the header cross section (25) to the manifold cross section (26). The adapter (8) can be in one piece with a first end plate (3a) of the heat exchanger (i) or it can be an independent part. Application to plate heat exchangers.

Abstract: A heat transfer plate includes a heat transfer area provided with a heat transfer pattern having elongate alternately arranged heat transfer ridges and valleys, a respective top portion of the ridges extending in a top plane and a respective bottom portion of the valleys extending in a bottom plane. The heat transfer ridges include ridge contact areas within which the ridges are arranged to abut an adjacent first heat transfer plate. Within at least half of the heat transfer area, the top portions of the ridges have a first width w1, and the bottom portions of the valleys have a second width w2, w1?w2. The top portion of a number of first heat transfer ridges of the heat transfer ridges, within a respective first ridge contact area of the ridge contact areas, has a third width w3, wherein, if w1>w2 then w3<w1, and, if w1<w2 then w3>w1.

Abstract: A plate heat exchanger comprises a heat exchanger plate having a quadrilateral shape with two opposite primary sides and two opposite secondary sides, and a longitudinal central axis being parallel with the primary sides. The heat exchanger plate comprises a heat exchanger area having a corrugation of ridges and valleys. Four porthole areas are located at a respective corner of the heat exchanger plate and each comprises a respective porthole extending through the heat exchanger plate. An edge area extends around and adjoins the heat exchanger area and the porthole areas. The heat exchanger area comprises a main area and a local part area extending along one of the primary sides and adjoining the edge area and one of the porthole areas. The valleys of the local part area are tapering towards the longitudinal central axis.

Abstract: A heat exchanger includes: rows of heat transfer tubes disposed next to one another in an air flow direction; and headers each connected to an end of each of the rows of heat transfer tubes. A center position of an upstream-most header disposed on a most upstream side in the air flow direction among the headers is displaced upstream in the air flow direction from a center position of an upstream-most row of the heat transfer tubes to which the upstream-most header is connected such that the upstream-most header is spaced apart from a row of the heat transfer tubes adjacent to the upstream-most row of the heat transfer tubes.

Abstract: The invention relates to a plate and fin heat exchanger for bringing into a heat exchange relationship at least one refrigerant fluid and one calorigenic fluid, having a plurality of plates arranged parallel to a longitudinal direction so as to define a plurality of passages between said plates, at least one passage being formed between two adjacent plates and having at least one heat exchange structure equipped with at least one series of fins extending parallel to the longitudinal direction and following one another in a lateral direction, the fins, within the passage, defining channels for the flow of the fluids. According to the invention, at least one fin, over at least part of its surface, has a surface texturing in the form of striations arranged parallel to the longitudinal direction.

Abstract: The present invention relates to a plate heat exchanger comprising a plate package and a manifold both made of metal. The plate package comprises a plurality of heat exchanger plates stacked between end plates. The heat exchanger plates being sealed to each other and form alternating first plate interspaces for a first medium and second plate interspaces for a second medium. The plate package defines at least two port channels communicating with the first plate interspaces. At least one of the end plates define connection ports communicating with a respective port channel. The manifold defines a port opening, a distant opening and a flow passage extending between the port opening and the distant opening. The manifold being fixedly attached to one of the end plates such that the port opening of the manifold covers one of the connection ports. The manifold being made by additive manufacturing, moulding or casting.

Abstract: A first passage forming member and a second passage forming member each include: a rib portion including a first wall portion constituting an end in a first direction of the first passage, a second wall portion constituting an end in the first direction of the second passage, and a third wall portion separating the first passage and the second passage adjacent to each other in a second direction from each other; a board being in contact with an end in a third direction of the rib portion, and separating a first connection passage and a second connection passage from each other; a first blocking portion installed at the end of the rib portion, to block between the first passage and the second connection passage; and a second blocking portion installed at the end of the rib portion, to block between the second passage and the first connection passage.

Abstract: A heat transfer plate has a front gasket groove including an annular front groove part extending around a heat transfer area, upper and lower distribution areas, and first and third portholes, and second and fourth ring groove parts enclosing second and fourth portholes. An upper front groove portion of the front gasket groove extends between the second porthole and the upper distribution area. A lower front groove portion of the front gasket groove extends between the fourth porthole and the lower distribution area. A bottom of the upper front groove portion is inclined such that the front gasket groove depth, within the upper front groove portion, increases in a direction towards the second adiabatic area, and a bottom of the lower front groove portion is inclined such that the front gasket groove depth, within the lower front groove portion, increases in a direction towards the fourth adiabatic area.

Abstract: The present invention relates to a refrigerant/heat transfer liquid heat exchanger (11), in which said refrigerant/heat transfer liquid heat exchanger is a monoblock refrigerant/heat transfer liquid heat exchanger (11). The refrigerant/heat transfer liquid heat exchanger (11) comprises at least two heat exchange blocks (41, 42) which are sealed with respect to one another, including a first heat exchange block (41) having a first circulation path for a refrigerant (21a) and a first circulation path for a heat transfer liquid (22a) and a second heat exchange block (42) having a second circulation path for a refrigerant (21b) and a second circulation path for a heat transfer liquid (22b). The heat exchange blocks (41, 42) are joined via a partition plate (40).

Abstract: A heat exchanger having multiple plates which are mutually parallel and parallel to a longitudinal direction, the exchanger having a length measured in the longitudinal direction, the plates being stacked with spacing so as to define a first series of passages for the flow, in a general flow direction parallel to the longitudinal direction, of at least a first refrigerant fluid and a second refrigerant fluid, at least one passage of the first series being defined between two adjacent plates.

Abstract: A heat exchanger includes an outer packaging member. The outer packaging member is configured to allow a heat transfer medium flowed to an inside of the outer packaging member from a heat transfer medium inlet to pass through the inside and flow out from a heat transfer medium outlet. The outer packaging member is made of outer packaging laminate materials each including a metal heat transfer layer and a resin thermal fusion layer provided on one surface of the heat transfer layer. The outer packaging laminate materials are superimposed one on the other. The thermal fusion layers are integrally bonded along peripheral edge portions of the outer packaging laminate materials. The heat transfer layer and the thermal fusion layer of the outer packaging laminate material are laminated via an inner adhesive agent layer made of an acid-modified polyolefin-based adhesive agent containing an acid-modified polyolefin-based resin.

Abstract: A brazed plate heat exchanger (100) for exchanging heat between at least two fluids comprises several elongate heat exchanger plates (110) provided with a pressed pattern comprising depressions and elevations adapted to keep the plates on a distance from one another by contact points between the elevations and depressions of neighboring plates under formation of interplate flow channels for media to exchange heat. At least four port openings are placed in corner regions of the elongate heat exchanger plates and have selective fluid communication with the interplate flow channels such that the fluids to exchange heat will flow between port openings parallel to long sides of the elongate heat exchanger plates. A circumferential seal sealing off the interplate flow channels from communication with the surroundings is provided, and the heat exchanger plates are joined by brazing.

Abstract: An aircraft propulsion system is provided that includes a turbine engine and an exhaust gas condenser. The exhaust gas condenser includes a housing, a nozzle, a plurality of air scoops, and a plurality of exhaust gas conduit banks. The housing has an interior cavity, a bottom side, and first and second lateral sides. The exhaust gas conduit banks are disposed in the interior cavity of the housing and are configured to form an interior bypass air chamber. Each exhaust gas conduit bank includes alternating exhaust gas conduits and bypass air passages. The exhaust gas conduits extend axially between the forward and aft ends, and are configured to conduct exhaust gases to the nozzle. The bypass air passages are configured to receive bypass air from the air scoops and direct the bypass air between the exhaust gas conduits and into the interior bypass air chamber.

Abstract: A downhole cutting tool (13) for perforating a tubular (14) in an oil or gas well comprises a body (4); radially moveable cutting members (3) mounted on the body (4); a helical profiled member (1) rotatable relative to the body (4); and activation members (2) axially movable relative to the body (4). Rotation of the helical profiled member (1) generates axial movement of the activation members (2), and the activation members (2) configured to actuate the cutting members (3) from a retracted configuration to an extended configuration.

Abstract: A heat exchanger has a plurality of metal plates, each metal plate having two contacting surfaces, at least one of the contacting surfaces having a fluid channel and abutting against another metal plate, at least two metal plates connected together with the contacting surfaces facing each other. High temperature is used to melt at least two metal plates together, so that the metal plates can be combined without additional locking or welding.

Abstract: A structural support member for a vehicle includes a structural member, a battery chiller additively manufactured and disposed at least partially within the support member. The battery chiller includes a pair of spaced apart coolant chambers and a plurality of hollow pins extending between the pair of spaced apart coolant chambers such that the pair of spaced apart coolant chambers are in fluid communication with each other via the plurality of hollow pins. A refrigerant chamber can be included and be between the pair of spaced apart coolant chambers such that coolant fluid flows from one of the pair of spaced apart coolant chambers to another of the pair of spaced apart coolant chambers through the refrigerant chamber via the plurality of hollow pins.

Abstract: A heat exchange core according to one embodiment includes: a header flow path that extends in a first direction; and a plurality of branching flow paths that are connected to the header flow path and extend in a second direction intersecting with the first direction. A first angle formed by the header flow path with respect to a virtual connection plane between the header flow path and the plurality of branching flow paths is less than a second angle formed by the branching flow paths with respect to the connection plane.

Abstract: The present invention relates to a plate-and-shell heat exchanger and a heat transfer plate for a plate-and-shell heat exchanger. The heat exchanger comprises a shell and a plurality of heat transfer plates within the shell. The plates form fluidly connected first cavities for providing a first fluid flow path for a first fluid flow. The shell forms a second cavity in which the plates are arranged, and a second fluid flow path is provided for a second fluid flow, separated from the first fluid flow path by the plates. The heat exchanger comprises heat transfer plates which are formed for improving the distribution of the second fluid flow within the heat exchanger.

Abstract: A heat transfer plate comprises an upper end portion adjoining a center portion along an upper border line and comprising first and second port holes and an upper distribution pattern comprising upper distribution ridges and valleys. The upper distribution ridges extend along imaginary upper ridge lines from the upper border line towards the first port hole. The upper distribution valleys extend along imaginary upper valley lines from the upper border line towards the second port hole. The imaginary upper ridge lines and valley lines cross in plural upper cross points. In plural upper cross points, the plate extends in an imaginary first intermediate plane. The plate is configured so that a number of first upper cross points on one side of the center axis extends above the first intermediate plane, and a number of second upper cross points on another side of such axis extends below the first intermediate plane.

Abstract: A hot layer adapted for use in an asymmetric cross counter flow heat exchanger core that includes a number of alternating hot and cold layers, a hot inlet tent configured to receive a hot inlet flow and defining a hot inlet tent width, and a hot outlet tent configured to discharge a hot outlet flow and defining a hot outlet tent width. A hot inlet closure bar is located adjacent to the hot inlet tent, a hot outlet closure bar is located adjacent to the hot outlet tent, and two hot side closure bars are each located adjacent to respective corresponding inlet and outlet hot fins. An angle between the inlet fin direction and the middle fin direction ranges from 5-175 degrees, and the hot inlet tent width is less than the hot outlet tent width.

Abstract: A heat exchanger includes: a plurality of flat tubes; a fin in which a plurality of notches are arranged side by side in a vertical direction, the fin having a plurality of intermediate portions and a connecting portion connecting the intermediate portions to each other; and a first bulging portion having an upper end edge and a lower end edge provided between a first notch and a second notch, the upper end edge being positioned in the intermediate portion and the lower end edge being positioned in the connecting portion. The upper end edge has a first upper end positioned on an intermediate portion side, and a second upper end positioned on a connecting portion side, the first upper end being positioned to be higher than the second upper end, or the first upper end being positioned at the same height as the second upper end.

Abstract: The purpose of the present invention is to provide a method which is for producing pulp fibers for cellulose nanofiberization from pulp fibers of used sanitary products, and which can produce pulp fibers for cellulose nanofiberization that have low lignin content and a low distribution thereof and that have excellent cellulose nanofiberization properties. This method is described below.

Abstract: A plate heat exchanger includes a plurality of heat transfer plates stacked on top of each other, wherein gaskets are positioned between adjacent heat transfer plates, wherein each gasket is arranged in a gasket groove formed in a heat transfer plate and a bottom part of the gasket groove defines a base level, wherein the gasket groove comprises a reinforcing pattern having a first recess at a first recess level and extending in a lengthwise direction of the gasket groove. The reinforcing pattern comprises a second recess at a second recess level extending in lengthwise direction of the gasket groove.

Abstract: A heat exchanger having a stack of nested shells joined to a base plate includes two coolant manifolds and four fluid manifolds extending through the stack. The coolant manifolds extend the entire length of the stack in the stacking direction. Two of the fluid manifolds extend from one end of the stack to an intermediate location along the stacking direction, and the other two fluid manifolds extend from the other end of the stack to the intermediate location. Fluid transfer conduits extend through the stack, from a face of the base plate opposite the stack to the fluid manifolds at the end of the stack opposite the base plate, in order to transfer fluid to and from fluid flow passages extending between those fluid manifolds at that end of the stack.

Abstract: A heat transport device comprises first flow passages through which a first fluid flows, and second flow passages through which a second fluid flows, wherein a cross-section A satisfying the following Requirement 1 to Requirement 3 can be achieved. Requirement 1 is that the cross-section A is a cross-section perpendicular to the second flow passages. Requirement 2 is that in the cross-section A, the holes of second flow passages are separated by meandering partition plates and are disposed in a layered manner. Two adjacent partition plates are a partition plate B and a partition plate C, and when comparing a point ?, which is the top point of a mountain in the partition plate B closest to the partition plate C, and a point ?, which is the bottom point of a valley in the partition plate C closest to the partition plate B, the point ? is closer to the partition plate C side than the point ?. Requirement 3 is that the first flow passages are present inside the partition plates.

Abstract: Exchanger (16) for cooling hot primary air by means of cold secondary air, comprising: a plurality of channels (80) for the circulation of the secondary air; and a plurality of channels for the circulation of the primary air, characterized in that said exchanger further comprises: water circulation channels (83) each extending adjacently to a secondary channel (80); water-spray micro-perforated hollow bars (63) each extending adjacently to a primary channel (60) and fluidically connected to the micro-perforated hollow bars in order to be able to heat the water by interaction with the primary air before said water is sprayed into the flow of primary air at the inlet of the exchanger.

Abstract: An air separation device can include: a first compressor and a second compressor for compressing feed air; a first refrigerator and a second refrigerator for cooling the feed air; a pre-purification unit for pre-purifying the feed air; a flow rate measuring unit for measuring the flow rate of the feed air; a main heat exchanger for subjecting the feed air to heat exchange; a purification portion into which the feed air led out from the main heat exchanger is fed, and which separates and purifies product nitrogen and/or product oxygen from the feed air; and a compressor control unit for controlling the feed quantity of the feed air in accordance with an increase or decrease in the production quantity of product nitrogen and/or product oxygen.

Abstract: A bulkhead heat exchanger includes a first bulkhead, a second bulkhead, and a plurality of flow path walls which divide a space formed between the first bulkhead and the second bulkhead into a plurality of first flow paths, wherein the first bulkhead and the second bulkhead separate the plurality of first flow paths from a plurality of second flow paths through which a second fluid different from a first fluid flowing through the plurality of first flow paths flows, the plurality of flow path walls have the plurality of wall surfaces, and the plurality of wall surfaces conform to sine curves different from each other, respectively.

Abstract: A heat exchanger plate, a plate heat exchanger for evaporation of a first fluid, and a method of making a plate heat exchanger are disclosed. The heat exchanger plate includes a heat exchanger area extending in parallel with an extension plane of the heat exchanger plate, an edge area extending around the heat exchanger area, a number of portholes extending through the heat exchanger area, and a peripheral rim surrounding a first porthole of the number of portholes and extending transversely to the extension plane from a root end to a top end with a rim height perpendicular to the extension plane. The heat exchanger plate includes at least one restriction hole extending through the peripheral rim and having a hole height perpendicular to the extension plane.

Abstract: A brazed plate heat exchanger (100) for exchanging heat between at least two fluids comprises several elongate heat exchanger plates (110) provided with a pressed pattern comprising depressions and elevations adapted to keep the plates on a distance from one another by contact points between the elevations and depressions of neighboring plates under formation of interplate flow channels for media to exchange heat. At least four port openings are placed in corner regions of the elongate heat exchanger plates and have selective fluid communication with the interplate flow channels such that the fluids to exchange heat will flow between port openings parallel to long sides of the elongate heat exchanger plates. A circumferential seal sealing off the interplate flow channels from communication with the surroundings is provided, and the heat exchanger plates are joined by brazing.

Abstract: A heat exchanger may include a perforated plate having a plurality of openings sandwiched between a first plate and a second plate. The first plate may have a first plate central planar surface, a first plate peripheral wall extending from an internal face of the first plate central planar surface towards the second plate, and an inlet permitting fluid flow on to the internal face of the central planar surface. The second plate may have a second plate central planar surface, a second plate peripheral wall extending from an internal face of the second plate central planar surface towards the first plate, and an outlet permitting fluid to exit the heat exchanger. The first plate, the second plate and the perforated may be coupled and define a fluid passage for flow of a heat exchanger fluid from the inlet to the outlet.

Abstract: A heat transfer plate includes a first bar engagement comprising a first recess and a first edge portion surrounding the first recess, and a second bar engagement portion comprising a second recess and a second edge portion surrounding the second recess. A part of the first edge portion extends from a first plane to a parallel third plane, and a part of the second edge portion extends from the first plane to a fourth plane. The second and third planes are on the same side of the first plane, the third and fourth planes are a distance from the first plane, and the at least a part of the first edge portion projects from a front of the plate. An edge of the first edge portion defines a first area and an edge of the second edge portion defines a second area, the first area fitting inside the second area.

Abstract: A fill sheet and a fill pack manufactured from a plurality of fill sheets for cooling a cooling medium in a cooling tower, each fill sheet having a plurality of flutes extending diagonally from top to bottom of the fill sheet, the diagonal orientation of the flutes resulting from a plurality of alternating longer diagonal flute segments and shorter vertical flute segments, each of the plurality of flutes having the microstructure including a plurality of alternating rounded mounds and rounded depressions extending between flat ridge edges and flat valley edges of the flutes.

Abstract: A temperature-control element for controlling the temperature of an electrical accumulator, in particular for controlling the temperature of a traction battery of a vehicle, includes an extruded profile extending in an extrusion direction which has a temperature-control medium channel for passage of a temperature-control medium. A guide vane is integrally formed with the extruded profile in the temperature-control medium channel.

Abstract: A heat exchanger plate (2) is described comprising an edge (7), a groove (8) running along the edge (7), a gasket arranged in the groove (8), and a corrugated area (10) having tops (12) and valleys (11) between the groove (8) and the edge (7), wherein tops (12) run substantially perpendicular to the edge (7). In such a heat exchanger plate the gasket should be reliably fixed without affecting the stability of the heat exchanger. To this end, in at least one valley (11) a raised section (14) extends from a bottom area (13) of the valley (11) and the gasket comprises a click-on extension arranged in the valley (11) and having a recess adapted to the raised section (14).

Abstract: In one general aspect, a microchannel heat exchanger is disclosed. It includes a cover, a base, and thermally conductive sheets between the cover and the base that each define a series of side-by-side lanes aligned with a flow direction. The lanes each include aligned slots that define microchannel segments and are separated by cross ribs. The sheets are stacked between the base and cover so as to cause at least some of the ribs to be offset from each other and allow the microchannel segments in the same lane in adjacent sheets to communicate with each other along the flow direction to define a plurality of microchannels in the heat exchanger.

Abstract: A method of making an end-piece for a plate heat exchanger, wherein the end-piece includes a frame part having inner and outer portions, and an intermediate portion arranged between the inner and outer portions, with the outer wall surface of the inner portion being arranged to face a first surface of a package of heat transfer plates comprising the plate heat exchanger, and the first surface having a center portion and a peripheral portion encircling the center portion. The method includes extruding the frame part with plural cavities in the intermediate portion of the frame part that extend in the extrusion direction of the frame part and that are parallel to the frame part axis, with outer dimensions of the outer wall surface of the inner portion configured to be at least as large as outer dimensions of the center portion of the first surface heat transfer plate package.

Abstract: A dialysis system (e.g., a hemodialysis (HD) system) can be designed to operate in alternative environments, such as disaster relief settings or underdeveloped regions. The dialysis system can include a solar panel for generating electricity to power the dialysis machine and an atmospheric water generator for extracting water from ambient air. The extracted water can be used to generate dialysate and saline on-site. One or more of the components of the dialysis machine can be discrete components that are configured to facilitate fast shipping and simple on-site assembly (e.g., at a remote location). In some implementations, the discrete components may be configured to be attached to an existing dialysis system (e.g., a dialysis system designed for operation in a traditional environment) to permit the dialysis system to operate in an alternative environment.

Abstract: A heat dissipation device includes a first plate having a first plurality of angled grooves arranged in a first direction, and a second plate having a second plurality of angled grooves arranged in the first direction. The second plate is coupled to the first plate, at least portions of the first plurality of angled grooves and the second plurality of angled grooves are connected to each other such that the first plurality of angled grooves and the second plurality of angled grooves define a fluid channel of the heat dissipation device, and the fluid channel includes coolant. The heat dissipation device also includes at least one capillary structure. At least a portion of the fluid channel is covered by the at least one capillary structure.

Abstract: A stacked-plate heat exchanger may include a plurality of stacked plates. The plurality of stacked plates may include a plurality of first stacked plates and a plurality of second stacked plates stacked alternately one on top of another. Pairs of adjacent stacked plates may each delimit one of a first cavity for the passage of a first fluid and a second cavity for the passage of a second fluid in an alternating manner. The heat exchanger may also include a support structure that may support the plurality of stacked plates in an edge region to stabilize the second cavity. The plurality of stacked plates may each include a first opening and at least two second openings arranged around the first opening. The heat exchanger may also include a plurality of webs each arranged between two adjacent second openings. The plurality of webs may form the support structure.

Abstract: A heat exchanger includes a first side opposite a second side and a third side opposite a fourth side and a cold layer with an inlet at the first side of the heat exchanger, an outlet at the second side of the heat exchanger, and a cold passage extending from the inlet to the outlet. The heat exchanger also includes a hot layer with an inlet manifold at the third side of the heat exchanger extending between the first side and the second side, an outlet manifold at the fourth side of the heat exchanger opposite the inlet manifold and extending between the first side and the second side, a hot passage extending from the inlet manifold to the outlet manifold, and a tube on the first side of the heat exchanger extending from the third side to the fourth side.

Abstract: A combined heat exchanger, a heat exchange system, and an optimization method thereof are provided. The heat exchange system includes: an enhanced vapor injection compressor, a condenser, an expansion valve and an evaporator, which are located in a main circuit; wherein the heat exchange system further includes a first branch branched from the main circuit to an vapor injection port of the compressor at a branch point P downstream of the condenser, and a first heat exchange unit and a second heat exchange unit are further provided in the main circuit between the branch point P and the expansion valve; and wherein a refrigerant leaving the condenser is divided at the branch point P into a first portion passing through the first heat exchange unit and the second heat exchange unit from the main circuit, and a second portion passing through the first branch to the vapor injection port.

Abstract: A heat exchanger with improved leak prevention may include a first heat exchanger plate, a second heat exchanger plate, a gasket between the first and the second heat exchanger plates, and a lock strip configured to maintain alignment of the first and second heat exchanger plates over a plurality of thermal expansion and contraction cycles of the plates. The lock strip may include at least one projection to engage with a projection of the first and/or second heat exchanger plate to secure its position over the plurality of thermal expansion and contraction cycles of the plates. Lock strips can be applied to one or many plates comprising a plate heat exchanger plate pack.

Abstract: The invention relates to an air conditioning apparatus including a first absorptive heat exchanger having sorption channels in at least one flow direction, a method for conditioning fluids, in particular for cooling and/or drying a stream of air, an adsorptive air-air cross-flow heat exchanger, and an outer wall element including an integrated air conditioning apparatus.

Abstract: A heat exchanger comprises a stack of sets of fins and tubes attached to or encompassed by embossed plates comprising a void. In some embodiments, the fins overlap the void having a peripheral margin of the fin attached to the peripheral margin around the void. In some embodiments, the fins comprise through fluid apertures allowing lateral fluid flow. In some embodiments, the plates comprise lateral peripheral protrusions enabling selective sealing of gaps between adjacent stacked plates by unselective application of heat or adhesive to a face of the heat exchanger. In some embodiments, the plates comprise uniformizing protrusions in a fluid inlet and/or outlet zone that reduce the amount of non-uniform fluid mass flow between different channel protrusions of heat exchanging zones of the set. Also disclosed are methods for assembly and selective sealing of the heat exchanger and an apparatus comprising the same.

Abstract: A gasket for a plate heat exchanger, wherein the gasket includes a body in the form of a loop for fitting to a plate of the plate heat exchanger. The body includes one or more peripheral connection areas spaced along at least one side of the loop, and a plurality of tabs for securing the gasket in position on the plate. Each tab is discrete from the body, and each tab includes a connection which is receivable by or engageable with one of the connection areas to connect the tabs and body together.

Abstract: A baffle support and a baffle for a block-type heat exchanger. The baffle support comprises a base plate extending in a first direction and a transverse second direction. The baffle support comprises a first pair and a second pair of projections extending from the front surface of the base plate to engage the baffle. The first pair of projections is located further in the first direction than the second pair of projections. The baffle comprises a mounting member at each transverse edge of a baffle plate. Each mounting member comprises at least one stop surface) facing a first longitudinal edge of the baffle plate. A baffle assembly comprising two baffle supports and a baffle.