A header for a heat exchanger includes a first and a second cylindrical fluid manifold extending in parallel. Each of the first and second manifolds have tube slots that extend through an arcuate wall section of the manifold. A thickened wall section of the header having a generally triangular wall section is bounded by the first and second fluid manifolds and by a planar outer surface of the header. An aperture extends through the thickened wall section to provide a fluid communication pathway between the first and second cylindrical fluid manifolds.

An apparatus, material and method for forming a brazing sheet has a high strength core bonded with corrosion protection layer on the coolant side and/or layers on both airside and coolant side. The material enables heat exchanger components, such as tube, header, plate, etc., for applications, such as automotive heat exchangers, that require high fatigue life as well as high service life in a corrosive environment.

In various embodiments, laser devices feature means, such as fasteners, for attaching a laser package to a cooling plate, which allow motion of the laser package in response to thermal cycles resulting from operation of a beam emitter therewithin. Embodiments of the invention additionally or instead include laser devices featuring segmented barrier layers for electrically isolating the laser package from the cooling plate.

A liquid-cooled-type cooling device includes a casing having a top wall, a bottom wall, and a cooling-liquid passage, and a radiating member disposed in the cooling-liquid passage. The radiating member has a substrate and a plurality of pin-shaped fins. Longitudinally intermediate portions of the pin-shaped fins are brazed to the substrate. The substrate has a plurality of fin insertion holes, and the pin-shaped fins are inserted into the fin insertion holes of the substrate. A plurality of convex portions are integrally formed on the longitudinally intermediate portion of each pin-shaped fin. The substrate and the pin-shaped fins are provisionally fixed together by plastically deforming the convex portions such that they are crushed. In this state, the substrate and the pin-shaped fins are brazed together. The upper and lower end portions of the pin-shaped fins are brazed to the top wall and bottom wall, respectively, of the casing.

An aluminum alloy and application thereof are disclosed. Based on a total mass of the aluminum alloy, the aluminum alloy includes: 7%-11% Si, 0.4%-1.0% Fe, 0.001%-0.2% Mg, 0.001%-0.2% Cu, 0.001%-0.2% Zn, 0.005%-0.1% Mn, 0.01%-0.06% Sr, 0.003%-0.05% B, 0.01%-0.02% Ga, 0.001%-0.01% Mo, 0.001%-0.2% Ce, 0.0003%-0.02% La, and balanced by aluminum and impurity elements, where a total amount of the impurity elements is less than 0.1%.

Systems, devices, and methods are disclosed for attaching two automotive components comprising different materials having different coefficients of expansion, comprising providing a flange around a perimeter of each of the components, wherein at least one component defines a plenum contiguous to the perimeter, providing corresponding inner faces of the flanges, providing a channel in at least one of the corresponding faces of the flanges, wherein the channel is coaxial to the perimeter, disposing a gasket in the channel, and surrounding the flanges with a locking ring, wherein the ring has an axial channel and a pin disposed perpendicular to the channel to secure a first end of the locking ring to a mating second end of the locking ring.

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.

An aluminum alloy fin material has a composition, in % by mass, of the following: Zr: 0.05 to 0.25%, Mn: 1.3 to 1.8%, Si: 0.7 to 1.3%, Fe: 0.10 to 0.35%, and Zn: 1.2 to 3.0%, the remainder being Al and inevitable impurities. The aluminum alloy fin material has a solidus temperature of 615° C. or higher, a tensile strength after brazing of 135 MPa or higher, a pitting potential after brazing in the range of −900 to −780 mV, and an average crystal grain diameter in a rolled surface after brazing in the range of 200 μm to 1,000 μm.

A method of forming an assembly between a panel and a tube includes forming a hole in the panel, where a diameter of the hole is smaller than an outer diameter of the tube, and preforming a first end of the tube to conceal the hole of the panel. A diameter of the preformed portion is greater than the diameter of the hole and the outer diameter of the tube. The method further includes aligning a second end of the tube with the hole of the panel, followed by inserting the tube into the hole by application of axial force on the tube until the preformed first end of the tube abuts a periphery of the hole of the panel. The method also includes achieving an interference fit between the hole of the panel and the tube.

Provided herein are new aluminum alloy materials which are useful in replacing copper in a heat exchanger. The aluminum alloy materials are also useful in manufacturing components of heating, ventilating, air-conditioning, and refrigeration (HVAC&R) systems for indoor and outdoor units. The alloys are well-suited for tubing in a heat exchanger. The alloys display high strength and good corrosion resistance. Also provided herein are methods for making the aluminum alloy materials.