H05K7/20336

HEAT DISSIPATION MODULE AND MANUFACTURING METHOD THEREOF
20220364798 · 2022-11-17 ·

The disclosure relates to a heat dissipation module and a manufacturing method thereof. The heat dissipation module includes a heat pipe, multiple heat dissipation fins and multiple rings. The heat pipe has a peripheral wall. Each heat dissipation fin has a through hole and an annular wall disposed on an outer edge of the through hole. The heat dissipation fins are adapted to sheathe the heat pipe in a spacedly stacked manner through the through hole. Each ring annularly is adapted to sheathe each annular wall in a compressive manner to embed and compressedly connect each annular wall to the peripheral wall. Therefore, efficiency of heat dissipation and structural strength of the heat dissipation structure are improved.

Incorporating heat spreader to electronics enclosure for enhanced cooling

A cooling system for a computing device includes an outer chassis of the computing device, a heat spreader, a heat bridge, and a heat dissipating structure. The outer chassis of the computing device is configured to support heat generating modules. The heat spreader is integrated into the outer chassis. The heat bridge couples the heat spreader to a corresponding heat generating module at a first location in the computing device. The heat dissipating structure is coupled to the heat spreader at a second location in the computing device. The second location is positioned in the computing device to experience higher airflow than the first location.

HOUSING COMPRISING A COMPOSITE WALL INTEGRATING AT LEAST ONE COOLING CONDUIT
20220361370 · 2022-11-10 ·

The disclosure relates to a housing comprising at least one composite wall comprising woven or braided carbon fibers covered with a thermoplastic or thermosetting resin, an electronic card carrying electronic components, and a heat transfer device having at least one portion facing an electronic component to be cooled of the electronic card, said heat transfer device being inserted inside the composite wall, the heat transfer device comprising at least one cooling conduit containing a cooling fluid.

Ultra thin two phase heat exchangers with structural wick
11582884 · 2023-02-14 · ·

Methods and system are provided for a heat exchanger. In one example, a system, comprises a mobile electronic device comprising a front cover and a rear cover, a heat exchanger arranged between the front cover and the rear cover, the heat exchanger comprising a fluid chamber arranged between an inner surface of a first plate and an inner surface of a second plate, and a wick material arranged within the fluid chamber, the wick material comprising a sintered material configured to allow a plurality of fluid passages to extend therethrough.

METHOD FOR COOLING A DEVICE SUCH AS AN ELECTRIC MOTOR DRIVE OR A GENERAL POWER CONVERTER AND DEVICE SUCH AS AN ELECTRIC MOTOR DRIVE OR A GENERAL POWER CONVERTER FOR PERFORMING THE COOLING METHOD

A method for cooling a device such as an electric motor drive or a general power converter, said device comprising a heatsink, electronic components connected to the heatsink, a heat pipe connected to the heatsink, an inlet air temperature measuring device and a cooling fan. According to the method, the drive establishes whether the inlet air temperature is below a first temperature threshold value and operates the cooling fan at a low inlet air temperature speed regime if the inlet air temperature is below the first temperature threshold value. The invention is also directed at a device such as an electric motor drive or a general power converter for performing the cooling method.

CHIP-ON-CHIP POWER DEVICES EMBEDDED IN PCB AND COOLING SYSTEMS INCORPORATING THE SAME

Printed circuit board (PCB) substrates include at least one pre-preg layer interposed between one or more electrically conductive layers, power device stacks, each having a power device embedded within the PCB substrate in a vertical stack configuration, and a flat heat pipe positioned between the power device stacks within the at least one pre-preg layer, one surface of the flat heat pipe directly bonded to a first one of the power device stacks and an opposite surface of the flat heat pipe thermally coupled to a second one of the power device stacks.

Heat pipe module and heat dissipating device using the same
11493280 · 2022-11-08 · ·

A heat pipe module includes at least one first pipe body and at least one second pipe body. The inner wall of the first pipe body defines a hollow chamber. A part of the second pipe body is disposed in the hollow chamber, and the external wall of the part of the second pipe body directly contacts the first pipe body.

Heat dissipation device formed of nonmetallic material and electronic device including the same

A heat dissipation device is provided. The heat dissipation device includes a container including a first plate, and a second plate spaced apart from the first plate to define an interior space, at least one filler disposed between the first plate and the second plate and configured to support the first plate and the second plate, a wick layer located on an inner wall defined in the interior space by the first plate or the second plate, and a working fluid configured to flow in the interior space in a gaseous state, and flow in the wick layer in a liquefied state, wherein the container further includes a fluoride-based polymer having a predetermined gas permeability.

Apparatus for thermal management of electronic components
11495519 · 2022-11-08 · ·

An electronic device includes a heat-generating electronic component, a heat spreader and a heat sink. The heat spreader has an area at least about 4 times greater than the heat-generating component. A first surface of the heat spreader is in thermal contact with the first surface of the heat-generating component along a first, non-dielectric interface. The heat sink has greater mass than the heat spreader and comprises one or more layers of thermally conductive material. A first surface of the heat sink is in thermal contact with the second surface of the heat spreader along a second interface having greater area than the first interface. Dielectric thermal interface material is provided at the second interface in direct contact with the heat spreader and the heat sink, such that the second interface is dielectric.

THERMAL TRANSFER SYSTEM AND METHOD
20230040626 · 2023-02-09 ·

Disclosed is a system for recharging a selected power source wirelessly, such as through a power transmission. The power source may be positioned within a subject and be charged wirelessly through the subject, such as tissue of the subject. A thermal transfer system is provided to transfer or transport thermal energy from a first position to a second position, such as away from the subject.