Provided is an aluminum alloy clad material including an aluminum alloy core material and a first brazing filler metal that is clad on one surface or both surfaces of the core material, wherein the core material and the first brazing filler metal each include an aluminum alloy having a predetermined composition, the existence density of AlMn based intermetallic compounds having a circle-equivalent diameter of at least 0.1 m in the first brazing filler metal before brazing heating is at least 1.010.sup.5 pieces/mm.sup.2, and the existence density of AlMn based intermetallic compounds having a circle-equivalent diameter of at least 2 m in the first brazing filler metal after brazing heating is at least 300 pieces/mm.sup.2. Further provided are a method for producing the aluminum alloy clad material and a heat exchanger employing the aluminum alloy clad material.

Provided is an aluminum alloy clad material including an aluminum alloy core material, an intermediate layer material that is clad on one surface of the core material, and a first brazing filler metal that is clad on a surface of the intermediate layer material, the surface not being on the core material side, wherein the core material, the intermediate layer material, and the first brazing filler metal each include an aluminum alloy having a predetermined composition, the existence density of AlMn based intermetallic compounds having a circle-equivalent diameter between 0.1 and 1.0 m inclusive in the intermediate layer material before brazing heating is at least 1.010.sup.5 pieces/mm.sup.2, and the existence density of AlMn based intermetallic compounds having a circle-equivalent diameter between 0.1 and 1.0 m inclusive in the intermediate layer material after brazing heating is at least 1.010.sup.4 pieces/mm.sup.2. Further provided is a method for producing the aluminum alloy clad material.

A heat exchanger assembly has first and second heat sink elements enclosing fluid flow passages, and a clamping assembly. The heat sink elements are separated by a space in which at least one heat-generating electronic component is located, with outer side surfaces of each electronic component being in thermal contact with the heat sink elements. The clamping assembly has first and second spring elements arranged in contact with an outer surfaces of the heat sink elements. The spring elements are joined together to apply compressive forces to the heat sink elements and to cause the electronic components to be clamped between the heat sink elements. Each spring element has discrete force application regions for applying force to a heat sink element, and a plurality of fastening regions for compressing and maintaining the positions of the spring elements relative to the outer surfaces of the heat sink elements.

A heat exchanger comprises a multiplicity of stacked plates having a thickness of less than 0.3 mm, each of which is provided with a male dished member (8) which delimits a fluid distribution zone (6, 7) in the exchanger (1). At least a first plate (3) and a second plate (4) each comprise a peripheral edge (25) which is assembled in a fluid-tight manner in order to form a fluid circulation pipe. The exchanger also comprises at least one insert (5) which is provided with a female dished member (9), and the male dished member (8) of the plates (3, 4) is configured to be introduced into the female dished member (9) of the insert (5) in order to ensure fixing between two adjacent fluid circulation pipes or between a side plate (15, 16) and an adjacent fluid circulation pipe.

A heat exchanger has a core comprised of at least one core section defined by a plate stack comprising a plurality of core plates, each core plate having a plurality of spaced apart, raised openings surrounded by a flat area. The raised openings of adjacent plates are sealed together to define a plurality of tubular structures. Top and bottom manifolds are sealed to the top and bottom of the core, with continuous top and bottom end plates providing structurally rigid connections between multiple core sections of the heat exchanger. The heat exchanger may have numerous configurations, including stepped core, curved core, angled core, and/or a core having multiple sections of the same or different length, while minimizing the number of unique parts and/or parts of complex shape.

An electric power converter includes a semiconductor module, an electronic component, a plurality of cooling tubes, a case, a main pressure member for pressing a stacked semiconductor section in a stacking direction, and a sub-pressure member for pressing a stacked component section in the stacking direction. The stacked semiconductor section and the stacked component section are stacked in line. A pressing force of the main pressure member is greater than a pressure pressing force of the sub-pressure member. The main pressure member is disposed at an end portion of the stacked component section far from the stacked semiconductor section. A supporting portion that supports the stacked semiconductor section from the stacked component section side is disposed in the case so as to prevent the pressing force of the main pressure member from acting on the stacked component section.

An electric power converter includes a semiconductor module, an electronic component, a plurality of cooling tubes, a case, a main pressure member for pressing a stacked semiconductor section in a stacking direction, and a sub-pressure member for pressing a stacked component section in the stacking direction. The stacked semiconductor section and the stacked component section are stacked in line. A pressing force of the main pressure member is greater than a pressure pressing force of the sub-pressure member. The main pressure member is disposed at an end portion of the stacked component section far from the stacked semiconductor section. A supporting portion that supports the stacked semiconductor section from the stacked component section side is disposed in the case so as to prevent the pressing force of the main pressure member from acting on the stacked component section.

A method of manufacturing a heat exchanger, include the steps of: (a) providing two plates configured to be assembled together, each of the plates comprising a support layer and a cap layer laminated over the support layer at least at a front side of the plate; (b) heat bonding a microporous membrane layer to one or more select portions of the cap layer on the front side of each plate such that a liquid desiccant channel is formed between the membrane layer and the front side of each plate; and (c) attaching the front sides of the plates together to form a plate pair structure by heat bonding one or more select portions of the cap layers on the front sides of the plates such that the membrane layers on the plates face each other and an air flow channel is formed between the membrane layers.

A device for the exchange of heat between a first and a second medium with pairs of trays stacked one on top of the other in a stacking direction is provided, wherein a first flow chamber that can be flowed through by a first medium is provided between the two trays of at least one pair of trays or several pairs of trays and a second flow chamber that can be flowed through by a second medium is provided between two pairs of trays adjacent to one another, wherein the first flow chamber has first flow path with flow path sections that can be flowed through consecutively in opposite directions for the first medium, which are separated from one another by a division wall arranged between the at least two trays of the at least one pair of trays, and wherein the second flow chamber has a second flow path for the second medium.

A battery cooler comprises a refrigerant filling chamber, a refrigerant inflow passage, and a refrigerant outflow passage. The refrigerant filling chamber is sandwiched between opposed battery unit cells and is arranged at a position for receiving heat of the unit cells. The refrigerant inflow passage is connected to a lower portion of the refrigerant filling chamber. The refrigerant outflow passage is connected to an upper portion of the refrigerant filling chamber. The refrigerant filling chamber has at least one joint part joining partially and mutually opposed wall surfaces so as to suppress expansion and deformation of these surfaces caused by the pressure of the refrigerant. An outflow side wall surface rises from a bottom surface of the refrigerant filling chamber toward a connection part of the refrigerant outflow passage. The outflow side wall surface is provided with an inclined surface directed downward from a horizontal direction.