A diffuser plate for a thermal transfer device can include a body having a number of first apertures and a second aperture that traverse therethrough, where the first apertures are asymmetrically arranged with respect to the second aperture. The first apertures can have a first shape and a first size, and where the first apertures are configured to receive a plurality of tubes. The second aperture has a second size, where the second size is larger than the first size.

A method of building a heat exchanger includes forming the heat exchanger with layer-by-layer additive manufacturing. A first hollow annulus is formed. A body of the heat exchanger is formed to be integrally connected to and grown upwards from the first hollow annulus. The body includes an exterior wall and a heat exchanger core disposed within the exterior wall. The body defines an interior that is cylindrically shaped with an axis oriented parallel to a direction of gravity. The first annulus is disposed on a gravitational bottom of the body. A second hollow annulus is formed integrally connected to and grown upwards from a gravitational top of the body. Residual powder is removed from a bottom of the heat exchanger.

Provided is a heat pipe which is installed in a cold region in a bottom heat posture in which a longitudinal direction of a container is substantially in parallel with a gravitational direction, is capable of preventing the container from deforming even when a working fluid has become frozen, and has excellent heat transport properties.

A heat dissipating apparatus includes a carrier layer, a basal capillary layer and a capillary post. The carrier layer has a heat exchange surface and a carrier surface. The carrier surface faces away from the heat exchange surface. The basal capillary layer has a first surface and a second surface opposite to each other. The basal capillary layer is stacked on the carrier layer so that the first surface of the basal capillary layer contacts the carrier surface of the carrier layer. The capillary post protrudes from the second surface of the basal capillary layer.

An additive manufactured heat exchanger includes a monolithic housing defining an outer surface, a plurality of first fluid passageways extending between a first fluid inlet and a first fluid outlet, and a plurality of second fluid passageways extending between a second fluid inlet and a second fluid outlet. A cross section of the outer surface defines an irregular shape, the plurality of first fluid passageways and the plurality of second fluid passageways define a convoluted flow matrix within the monolithic housing, and the outer surface of the monolithic housing is complimentary to a space between at least two components of a vehicle. The monolithic housing can also include a plurality of third fluid passageways extending between a third fluid inlet and a third fluid outlet.

Provided is a heat pipe which is installed in a cold region in a bottom heat posture in which a longitudinal direction of a container is substantially in parallel with a gravitational direction, is capable of preventing the container from deforming even when a working fluid has become frozen, and has excellent heat transport properties.

An embodiment of a heat exchanger assembly includes a first manifold adapted for receiving a first medium, a core adapted for receiving and placing a plurality of mediums, including the first medium, in at least one heat exchange relationship, and a core meeting the first manifold at a first core/manifold interface; The mounting structure supports a heat exchanger, and is metallurgically joined to at least one heat exchanger assembly component at a first joint integrally formed with the mounting structure.

A method of forming at least a component of a heat exchanger comprises introducing a feed material comprising a first portion including a matrix material and a second portion including a sacrificial material on a surface of a substrate, exposing at least the first portion to energy to form bonds between particles of the matrix material and form a first thickness of a structure, introducing additional feed material comprising the first portion over the first thickness of the structure, exposing the additional feed material to energy to form a second thickness of the structure, and removing the sacrificial material from the structure to form at least one channel in the structure. Related heat exchangers and components, and related methods are disclosed.

A multilayer heat exchanger device comprising: a stack of plates arranged to provide multiple fluid flow paths separated by the plates; wherein at least some of the plates are pin fin plates that each have an array of pins extending outwards from the pin fin plate into the fluid flow paths; and wherein each pin comprises an inner end integrally formed with the pin fin plate, a mid-point along a longitudinal axis of the pin, and an outer end to be bonded to an adjacent plate; wherein the cross sectional area of the pin at the outer end is larger than the cross sectional area at the mid-point.

A method for manufacturing a heat dissipation device that includes stamping a composite plate including a welding material to form a first plate having a plurality of angled grooves, depositing powder in the plurality of angled grooves of the first plate, contacting the first plate to a second plate, and welding the first plate and the second plate together, and sintering powder to obtain a capillary structure.