F28F3/022

COOLING COMPONENTS, CONVERTER, AND AIRCRAFT
20210267087 · 2021-08-26 ·

The disclosure relates to a device for cooling components. The device includes a main body and cylindrical and/or conical cooling fins which are formed in the main body and around which a coolant may flow, wherein the cooling fins are formed in parallel first rows and equally spaced apart from one another. Neighboring first rows are arranged offset from one another in the row direction in such a way that the axes of neighboring cooling fins of the neighboring first rows are offset by at least 25% of the hydraulic diameter of the cooling fins. The disclosure also relates to a converter and an aircraft including a device of this type.

Cooling apparatus
11075143 · 2021-07-27 · ·

A cooling apparatus includes a casing including a top wall, a bottom wall, and a cooling fluid passage. A heat radiator arranged in the cooling fluid passage includes heat radiation units arranged in a vertical direction and at least one intermediate plate each of which is arranged between adjacent heat radiation units of the heat radiation units in the vertical direction. Each of the heat radiation units includes a substrate and pin fins provided on the substrate. The substrate of each of the heat radiation units and the at least one intermediate plate are spaced apart in the vertical direction. The pin fins of the adjacent heat radiation units are in thermal contact with the at least one intermediate plate. The pin fins of the uppermost and lowermost heat radiation units of the heat radiation units are in thermal contact with the top and bottom walls of the casing, respectively.

Passive two phase heat transfer systems

A method and apparatus for pool boiling includes introducing a fluid into a chamber of a housing which has one or more protruding features. One or more diverters extend at least partially across the one or more protruding features in the chamber. One or more bubbles are formed in the fluid in the chamber as a result of bubble nucleation. At least one of growth and motion of the one or more of the bubbles are diverted with the one or more diverters to generate additional localized motion of the fluid along at least one of the one or more protruding features and other surfaces in the chamber of the housing to at least of transfer additional heat to the liquid and increase the critical heal flux limit.

Method of manufacturing a heat dissipation device

A method of manufacturing a heat dissipation device is disclosed. The heat dissipation device manufactured with the method includes two titanium metal sheets, which are subjected to a heat treatment before undergoing mechanical processing, plastic working and surface modification. With these arrangements, the titanium metal sheets can be freely plastically deformed and possess a capillary force, and can therefore be used in place of the conventional copper material to serve as a material for making heat dissipation devices, and the heat dissipation devices so produced can have largely reduced weight and largely improved heat dissipation performance.

Helical fin design by additive manufacturing of metal for enhanced heat sink for electronics cooling

A heat sink and method of making the same. The heat sink having one or more helical fins. The helical fins configured such that the pressure field on either side of the fin is asymmetric.

Method for improved thermal performance of cold plates and heat sinks

A heat exchange apparatus, and method of forming the apparatus, are disclosed. The apparatus includes a thermally conductive substrate with a metal microlattice structure adhered to the thermally conductive substrate and in thermal communication with the thermally conductive substrate, the metal microlattice structure comprising a region containing an electroless metal. A method of making the apparatus includes forming a polymer lattice, applying the polymer lattice to a thermally conductive substrate, forming an electroless plated metal layer on the polymer lattice, forming an electroplated metal layer on the electroless metal layer, and forming a metal microlattice of the electroless metal layer and the electroplated metal layer.

NET SHAPE MOLDABLE THERMALLY CONDUCTIVE MATERIALS

A method of making a heat exchanger with a net shape moldable highly thermally conductive polymer composite includes mixing a polymer and a thermally conductive filler material and molding the polymer composite into heat exchanger components. The heat exchanger can be tailored to varying heating and cooling needs with moldable geometries.

Method of manufacturing a heat dissipation unit

A manufacturing method of heat dissipation unit is disclosed. The heat dissipation unit is mainly composed of two titanium metal plate bodies. The titanium metal plate bodies are heat-treated, whereby the titanium metal plate bodies can be mechanical processed, shaped and surface-modified. Accordingly, the titanium metal can be freely shaped and provide capillary attraction. In this case, the titanium metal plate bodies can be used as the material of the heat dissipation unit instead of the conventional copper plate bodies to greatly reduce the weight and enhance the heat dissipation performance.

DIRECTED ENERGY DEPOSITION OF HEAT EXCHANGE FINS

A method includes forming an electronics housing defining a first flow path spaced apart from the second flow path for heat exchange through the housing between the first and second flow paths. The electronics housing is of a first material. The method includes depositing a heat exchange fin on the electronics housing. The heat exchange fin is of a second material different from the first material, wherein the heat exchange fin is grown into the second flow path to facilitate heat exchange between the first flow path and the second flow path.

HEAT EXCHANGE CELL AND METHOD
20210131701 · 2021-05-06 ·

A heat exchange cell includes a casing, a heat exchanger in which a first heat transfer fluid flows, a feeding zone, and first and second collection chambers for a second heat transfer fluid. The casing can include rear, front, and peripheral side walls. The heat exchanger can be helically-shaped, mounted in the casing, and include at least one tubular duct for the flow of the first heat transfer fluid. The tubular duct can be coiled about a longitudinal axis and define a helix. The feeding zone of the second heat transfer fluid can be defined in the casing coaxially and internally with respect to the helix. The first chamber can be defined externally with respect to the heat exchanger by a radially outer wall thereof and the peripheral side wall. The second chamber can be at least partially delimited by at least one separating element.