F28D15/0233

Conformal thermal ground planes
11511377 · 2022-11-29 · ·

A conformal thermal ground plane is disclosed according to some embodiments along with a method of manufacturing a conformal thermal ground plane according to other embodiments. The method may include forming a first planar containment layer into a first non-planar containment layer having a first non-planar shape; forming a second planar containment layer into a second non-planar containment layer having a second non-planar shape; disposing a liquid cavity and a vapor cavity between the first non-planar containment layer and the second non-planar containment layer; sealing at least a portion of the first non-planar containment layer and at least a portion of the second non-planar containment layer; and charging at least the liquid cavity with a working fluid.

High performance two-phase cooling apparatus for portable applications
11512912 · 2022-11-29 · ·

The present application discloses two-phase cooling devices that may include at least three substrates: a metal with a wicking structure, an intermediate substrate and a backplane. A fluid may be contained within the wicking structure and vapor cavity for transporting thermal energy from one region of the thermal ground plane to another region of the thermal ground plane, wherein the fluid may be driven by capillary forces within the wicking structure. The titanium thermal ground plane may be adapted for use in a mobile device, such as a portable device or smartphone, where it may offer compelling performance advantages.

Evaporator with grooved channels
11512908 · 2022-11-29 · ·

An evaporator element is provided and includes a body defining channels, each of which includes grooves respectively delimited by first and second interior facing sidewalls of the body which form a base and an apex with an apex angle opposite the base and defined such that, for a fluid flow moving through one of the channels in a microgravity environment a portion of the fluid flow in a liquid phase within a groove of the channel will move in the groove from the base to the apex and a portion of the fluid flow in a vapor phase within a groove of the channel will move in the groove from the apex to the base.

HEAT PIPE WITH IMPROVED PERFORMANCE UNDER DIVERSE THERMAL LOAD DISTRIBUTIONS
20220373265 · 2022-11-24 ·

A heat pipe includes an extruded profile body, with a hollow body closed at the ends, filled with a predefined volume of diphasic working fluid. A plurality of longitudinal channels are included, with each having a section delimited by a bottom formed by one tubular peripheral wall of the profiled body, and laterally by two longitudinal dividers. A circumferential transfer channel, which is arranged transversely to the local axial direction and provides mutual fluid connection between the longitudinal channels, is provided at a position along the longitudinal path and or at an end, where the longitudinal dividers are interrupted, partially or completely, in the area of the circumferential channel, with optional use of a closure ring.

BASIC STRUCTURAL BODY FOR CONSTRUCTING HEAT DISSIPATION DEVICE AND HEAT DISSIPATION DEVICE
20230055030 · 2023-02-23 ·

A basic structural body for constructing heat dissipation device and a heat dissipation device are disclosed. The heat dissipation device includes a first basic structural body having a wick structure formed on one side surface thereof; and the first basic structural body and the wick structure are structural bodies formed layer by layer. Two pieces of first basic structural bodies can be correspondingly closed together to construct a heat dissipation device internally defining an airtight chamber. In this manner, the heat dissipation device can be designed in a more flexible manner.

COOLING SYSTEM FOR PHOTOVOLTAIC PANEL

A cooling system for a photovoltaic panel including micro flat heat pipes (HP) integrated with thermoelectric generators (TEG) and a cooled water reservoir for cooling the working fluid in heat pipes. The cooled water in the reservoir is pumped from the condensate pan of an air conditioner. Experimental results show that cooling system reduced the average temperature of the panel by as much as 19° C. or 25%. Further, the output power of the photovoltaic panel increased by 44% when the photovoltaic panel was used in a very hot climate (30-40° C.). An additional two watts of power was generated by the TEGs.

CRYPTOGRAPHIC HARDWARE SECURITY MODULE WITH SECURE EMBEDDED HEAT PIPE

Aspects include a cryptographic hardware security module having a secure embedded heat pipe and methods for assembling the same. The cryptographic hardware security module can include a printed circuit board having one or more components. The cryptographic hardware security module can further include an encapsulation structure having a top can and a bottom can. The top can is fixed to a first surface of the printed circuit board and the bottom can is fixed to second surface of the printed circuit board opposite the first surface. A heat pipe is positioned between the top can and the component. The heat pipe includes two or more 180-degree bends. A portion of the heat pipe extends beyond a secure region of the encapsulation structure.

HEAT TRANSFER MEMBER REINFORCEMENT STRUCTURE
20220364796 · 2022-11-17 ·

A heat transfer member reinforcement structure includes a main body. The main body has a first side, a second side and a reinforcement member. The reinforcement member is selectively disposed between the first and second sides or inlaid in a sink formed on the first side. The reinforcement member is connected with the main body to enhance the structural strength of the main body.

HEAT DISSIPATION UNIT WITH FLOATING SECTION
20220369511 · 2022-11-17 ·

A heat dissipation unit with floating section includes an upper plate and a lower plate, which are closed together to define a chamber in between them, and the chamber has a working fluid filled therein. The upper and the lower plate respectively include a front section, a read section, and a middle section located between the front and the rear section. The front section and the rear section of one or both of the upper and the lower plate have a plate thickness larger than that of the middle section, such that the middle sections form flexible floating sections that allow for a floating adjustment thereat, making the front and the rear sections of the heat dissipation unit to be located at two positions having a height difference between them.

HEAT PIPE STRUCTURE
20220364794 · 2022-11-17 ·

A heat pipe structure includes a tubular body. The tubular body has a first end and a second end and an airtight chamber. At least one capillary structure layer is disposed on a wall face of the tubular body. A working fluid is filled in the airtight chamber. Any of the first and second ends of the tubular body is such arranged as to be normal to a horizontal face. The first and second ends are respectively positioned at upper and lower ends of the tubular body. One end of the tubular body in contact with the horizontal face has a bulged space as an ice molecule releasing space after the working fluid is frozen.