Some embodiments of the present disclosure provide a heat exchange flat tube and a heat exchanger. The heat exchange flat tube includes: a first plate body; a second plate body, which is disposed opposite to the first plate body, a fluid channel is formed between the second plate body and the first plate body, and the fluid channel is provided with an inlet and an outlet; a throttling structure is disposed between the first plate body and the second plate body, the throttling structure communicates with the fluid channel, the throttling structure is located at the inlet, and the throttling structure includes a plurality of bent sections which communicate in sequence.

A layer for a heat exchanger includes: an inlet; an outlet; an upper sheet; a lower sheet; a fluid flowpath defined between the upper sheet and lower sheet and from the inlet to the outlet; and at least one pin disposed in the flowpath and connecting the upper sheet to the lower sheet; wherein the lower sheet has a first undulating profile. The upper sheet has a second undulating profile different from the first undulating profile. Also disclosed is a heat exchanger including the layer, and a method of making a layer for a heat exchanger.

In an embodiment, a method of forming a cooling plate, comprises laser welding a plurality of weld lines to physically connect a first substrate and a second substrate wherein the plurality of weld lines forms an inflatable track; and inflating the inflatable track with an inflation fluid to form a cooling channel in the cooling plate. In another embodiment, the cooling plate can comprise a first substrate and a second substrate and a plurality of weld lines can form a fluid tight seal for a cooling channel located therebetween.

A fuselage heat exchanger having channels for dissipating waste heat generated by fuel cells that power unmanned aerial vehicles (UAVs) or drones. A heat exchanger built into the fuselage can dissipate such waste heat. Coolant flowing through channels embedded within an aircraft fuselage panel dissipates heat to airflow around the outer surface of the fuselage.

A heat sink device including: a cover module having a liquid inlet; a central flow channel for distributing coolant fluid introduced into the liquid inlet of the cover module; a plurality of inner fins; a plurality of inner radial flow channels; wherein coolant fluid from the central flow channel flows into the inner radial flow channels; a ring segment disposed around an outer perimeter of the plurality of inner fins, wherein the ring segment is configured to at least one of, mix and distribute coolant fluid received from the inner radial flow channels; a plurality of outer fins; a plurality of outer radial flow channels; wherein coolant fluid from the ring segment flows into the outer radial flow channels; and an outer flow channel, wherein coolant fluid flowing out of the radial flow channels outlet drains into the outer flow channel.

A liquid-cooling heat sink is disclosed which includes a substrate, a cover and a separator. The substrate includes a plate, a set of first heat sinking fins and a set of second heat sinking fins. The cover has water inlet and outlet ports. The cover and the plate together delimit a heat exchange chamber in which both the set of first heat sinking fins and the set of second heat sinking fins are confined. The separator is disposed between the set of first heat sinking fins and the set of second heat sinking fins to divide the heat exchange chamber into a water inlet compartment and a water outlet compartment. The water inlet compartment and water outlet compartment are in communication with the water inlet and outlet ports respectively. The liquid-cooling heat sink has not only enhanced overall structural strength but also improved heat exchange efficiency with a coolant fluid.

A heat exchanger assembly has a top par and a bottom part joined to the top part. At least one of the top and bottom parts defines a recess. The top and bottom parts define therebetween a passage formed in part by the recess. The passage has a first portion of the passage extending along a first side of the heat exchanger assembly; a second portion of the passage extending along a second side of the heat exchanger assembly; an inlet fluidly communicating with the first portion of the passage near a first end of the passage; and an outlet fluidly communicating with the second portion of the passage near a second end of the passage. Fluid enters the passage via the inlet, then flows in the first portion of the passage, then flows in the second portion of the passage, and then exits the passage via the outlet.

The invention relates to a heat exchanger provided with a base plate (10, 10′) and a liquid circulation space (15) formed between a plate (20, 20′) attached on the base plate and the base plate, the exchanger comprising at least one fluid connector (30, 31, 32), fixed on the base plate or on a return (12) inclined with respect to the base plate (10′) and connected to an inlet or outlet channel (21, 22) of the liquid circulation space, said connector comprising a tubular nozzle (33, 34, 35), for connecting the device to a tubing of an external fluid circuit, a base (36, 37) provided with a recess (38, 39) into which the tubular nozzle opens and with a mouth (38a, 39a) for connection to the channel, the recess forming a fluid passage between the mouth (38a, 39a) and the nozzle (33, 34, 35), for which the recess has an opening on a fixing face (40, 40′) of the connector on the base plate or on the return, the base plate or the return forming a closure wall of the recess of the base providing the sealing of the fluid passage.

A heat exchanger with a thermoelectric module according to the present disclosure includes: a first heat exchanger including a first heat sink provided with a first base plate and first heat dissipation pins, a first thermoelectric module located over the first heat sink and performing heat absorption and heat dissipation, a plate-shaped first cooling plate located over the first thermoelectric module and having a flow channel through which coolant flows, and a first cover covering top of the first cooling plate; and a second heat exchanger having the same structure as the first heat exchanger and located under the first heat exchanger to be symmetrical with the first heat exchanger.

A heat dissipation device is configured for a working fluid to flow therethrough. The heat dissipation device includes a base and at least one heat dissipation fin. The base has at least one internal channel configured for the working fluid to flow therethrough. The at least one heat dissipation fin having an extension channel and an inlet and an outlet is in fluid communication with the extension channel. The at least one heat dissipation fin is inserted into one side of the base, and the extension channel is communicated with the at least one internal channel through the inlet and the outlet.