Abstract: The invention relates to an exchanger arrangement (3) for the heat transfer and/or selective material transfer between a first fluid (F1) and a second fluid (F2), which can flow through the arrangement (3), said arrangement (2) being constituted of a multitude (n) of adjacent local exchanger elements (E1, E2, . . . , En). The exchanger arrangement (3) has at least in some sections a cylindrical shape or the shape of a segment thereof or a prismatic shape having a polygonal base or the shape of a segment thereof. The adjacent local exchanger elements (E1, E2, . . . , En) are flat structures that are either wedge-shaped or sheet-like.

Abstract: In one embodiment, an apparatus includes an insert for an evaporator coil. The insert is located within the evaporator coil. The insert for the evaporator coil reduces refrigerant charge in the evaporator coil and causes refrigerant flowing through the evaporator coil to change direction. The insert for the evaporator coil includes a solid core and a plurality of support legs.

Abstract: Heat-rejecting media may thermally couple to a device, and the heat-rejecting media may include active heat-rejecting media configured to thermally couple to the device and thermally couple between the device and an active cooling system such that the active cooling system causes heat transferred to the active heat-rejecting media from the device to be transferred from the active heat-rejecting media and passive heat-rejecting media extending from the active heat-rejecting media and configured to thermally couple to the device and thermally couple between the device and a system-level air mover other than the active cooling system and configured to drive airflow to components of a system comprising the device such that the heat transferred to the passive heat-rejecting media from the device is transferred to the airflow driven by the system-level air mover.

Abstract: A heat exchanger includes: heat transfer tubes that are made of aluminum or an aluminum alloy and are disposed in multiple tiers in a first direction that intersects a second direction along which a heating medium flows; and a coupling header that couples the heat transfer tubes together. The coupling header includes: a first member that includes a first core made of aluminum or an aluminum alloy and a first sacrificial anode layer; a second member that includes no sacrificial anode layer; and a third member that includes a second core made of aluminum or an aluminum alloy and a second sacrificial anode layer.

Abstract: A heat exchanger may include a heat exchanger block including a plurality of flat tubes held at a longitudinal end side in a respective rim hole of an associated tube plate. The respective rim hole may have at least two mutually opposite and substantially straight long sides and at least two mutually opposite narrow sides. A brazed connection may be disposed between at least one of the at least two long sides of at least one of the respective rim holes and a corresponding one of the flat tubes arranged therein, and the brazed connection may have an undulating brazing boundary. At least one of the plurality of flat tubes may include at least one partition. The undulating brazing boundary may have a high point that defines an increased thickness in relation to a plane running through two opposite groove bases disposed in the tube plate.

Abstract: A heat transfer segment for a curved heat exchanger, wherein the heat transfer segment comprises a plurality of enclosure bars that at least partially define two opposite ends of the heat transfer segment, wherein the two opposite ends define respective general planes, characterised in that: the enclosure bars are shaped and arranged such that the general plane of one end of the heat transfer segment is not parallel with the general plane of the other end of the heat transfer segment, such that when said heat transfer segment is joined to an adjacent heat transfer segment in an end-to-end fashion the enclosure bars the heat transfer segment may join to corresponding enclosure bars of the adjacent heat transfer segment.

Abstract: An electrical equipment cabinet cooling device includes an electrical equipment cabinet having a cabinet outer frame defining an inner perimeter wall. A planar outer cabinet wall is positioned within the inner perimeter wall. A two-phase thermal device includes spaced and opposed first and second transfer walls. An outer perimeter wall connects the first and second transfer walls and defines an interior sealed cavity between the first and second transfer walls. The outer perimeter wall is sized for slidable receipt within the inner perimeter wall. A liquid/vapor retained in the interior sealed cavity acts as a heat transfer medium between the first and second transfer walls. A convective cooling block has a planar end face in direct contact with the second transfer wall. Heat transfers to atmosphere in a path including the outer cabinet wall, the first transfer wall, the liquid/vapor, the second transfer wall, and the cooling block.

Abstract: Systems and methods to increase the recharge rate of a supplemental cooling system are provided. The system may include a primary cooling system configured to cool a thermal load, a supplemental cooling system, and a thermoelectric cooling apparatus. The thermoelectric cooling apparatus may assist the primary cooling system in recharging the supplemental cooling system in response to the supplemental cooling system operating in a recharge state, to the availability of electrical capacity, and to one or more operating parameters of the primary cooling system falling outside a predetermined range, wherein the operating parameter affects a cooling capacity of the primary cooling system.

Abstract: One aspect of the invention relates to a temperature control device for controlling the temperature of a container, comprising: at least one heating region having at least on heating element, and at least one cooling region having at least one cooling element, wherein the temperature control device is formed to be flexible, at least in some regions, wherein the temperature control device can be transferred from an open position to an arrangement position by flexible deformation, and wherein the temperature control device, in the arrangement position, can be arranged on a wall of the container in a form-fitting manner, at least in some regions, and can be thermally contacted such that the temperature of the container can be controlled by means of the at least one heating element and the at least one cooling element.

Abstract: Methods and apparatus to cool a vehicle heat source are disclosed herein. An example apparatus includes a first tank and a second tank. The first tank and the second tank are disposed on a vehicle. The second tank is in fluid communication with the first tank. An engine of the vehicle is to be supplied with fuel from at least one of the first tank or the second tank. The example apparatus also includes a cooling system disposed on the vehicle to cool the fuel flowing from the first tank to the second tank. The example apparatus further includes a heat exchanger operatively coupled to a heat source disposed on the vehicle. The fuel from the second tank is to flow to the first tank via the heat exchanger to cool the heat source.

Abstract: Fluid circulation tube and heat exchanger equipped with tubes of this type are disclosed. The tube (6) is produced by bending, and, once its wall has been bent, has a base portion (12) prolonged laterally by two linking portions (13) leading to two top portions (14) turned toward one another, which terminate in end legs (15) turned toward the base portion (12), forming at least two parallel longitudinal internal channels (16) into which the two systems (20) of bends (21) of a corrugated disrupter (17) can be inserted, these systems being interconnected by a central part (23) inserted into a gap left between said legs and the base portion.

Abstract: A heat exchanger assembly that in a preferred embodiment comprises: an inlet duct lower wall interfacing with a bypass duct; an outlet duct lower wall interfacing with a bypass duct; a heat exchanger coupled between the inlet duct lower wall and the outlet duct lower wall wherein the heat exchanger is at a compound angle with respect to an inlet duct air flow direction; and a fairing coupled to the top of the heat exchanger wherein the fairing forms the inlet duct upper wall and the outlet duct upper wall.

Abstract: The invention relates to a heat exchanger tube produced by bending a metal strip (11), characterized in that said strip (11) has a thickness that can vary between at least one first thickness (e1) and at least one second thickness (e2) greater than said first thickness (e1), and in that said tube has thinned first zones (Z1) and reinforced second zones (Z2) located at the points of greatest mechanical stress, said first zones (Z1) being formed by first portions (P1) of said strip of first thickness (e1) and said reinforced second zones (Z2) being formed by second portions (P2) of said strip (11) of second thickness (e2). The invention also relates to a heat exchanger comprising a core bundle of such tubes, and to a method of obtaining such a tube.

Abstract: A heat transfer plate and a heat exchanger comprising a plurality of such heat transfer plates are provided. The heat transfer plate comprises a heat transfer pattern of alternately arranged ridges and valleys. First and second adjacent ridges extend obliquely in relation to a longitudinal centre axis of the plate and comprise a first top portion and a second top portion, respectively, and first and second adjacent valleys extend obliquely in relation to the longitudinal centre axis and comprise a first bottom portion and a second bottom portion, respectively. The first bottom portion of the first valley is connected to the first top portion of the first ridge by a first flank and to the second top portion of the second ridge by a second flank, and the second top portion of the second ridge is connected to the second bottom portion of the second valley by a third flank.

Abstract: A heat exchanger for several applications such as a vehicle is described herein. The heat exchanger includes an inlet header tank configured to receive a fluid, an outlet header tank configured to output the fluid, and an intermediate tank between the inlet header tank and the outlet header tank. A first heat exchanger is between the inlet header tank and the intermediate tank, and a second heat exchanger is between the intermediate tank and the outlet header tank. The intermediate tank has an interior region having a plurality of protuberances disposed therein. The protuberances are configured to facilitate mixing of the fluid within the intermediate tank. The mixing of the fluid with the protuberances provides a more uniform heat distribution within the intermediate tank before entering the second heat exchanger.

Abstract: Systems and methods are disclosed that include providing a heating, ventilation, and/or air conditioning (HVAC) system with a system controller and an indoor air handling unit comprising an auxiliary heat source, whereby the system controller is configured to employ a hysteresis control algorithm to operate the HVAC system in a cooling mode while simultaneously operating the auxiliary heat source to provide a dehumidified, temperature-conditioned airflow to a zone conditioned by the HVAC system.

Abstract: A heat exchanger includes a header, a plurality of tubes, and a reinforcement member. The header has a face plate that defines a plurality of orifices, a top plate that extends away from an end of the face plate, and a projection that extends outward from the top plate. Each of the plurality of tubes extend into a respective one of the plurality of orifices. The reinforcement member has a backing plate that is secured to the top plate, a brace that extends from the backing plate and is secured to a first of the plurality of tubes, and a protrusion that extends outward from the backing plate. The protrusion engages the projection to restrict movement of the reinforcement member in a longitudinal direction relative to the tubes.

Abstract: A pin fin heat sink includes a plurality of pin fins extending from a base plate, at least one of the plurality of pin fins defining a hollow portion therein. The pin fin heat sink also includes an annular ring of metal foam material disposed within the hollow portion, the annular ring of metal foam material having a radially outer surface in direct contact with an inner diameter of the pin fin, the annular ring of metal foam material defining a central cavity. The pin fin heat sink further includes a phase change material disposed within the central cavity.

Abstract: A heat exchanger assembly for an aircraft with an environmental control system includes first and second heat exchangers, a closure bar, and a drain manifold. The first heat exchanger is in fluid communication with a source of bleed air from the aircraft. The second heat exchanger has a second hot air circuit passing through the second heat exchanger and is disposed adjacent to and in fluid communication with the first heat exchanger. The closure bar is disposed between the first and second heat exchangers such that the closure bar prevents fluid communication across the closure bar between the first and second heat exchangers. The drain manifold is mounted to a sidewall of the heat exchanger assembly. A channel of the drain manifold is in fluid communication with a surface of the closure bar.

Abstract: A cooling device includes a sink, a first tube, a second tube, a heat exchanger, a pressure adjuster, and a dielectric liquid. The sink has a first outlet and a second outlet. The first tube has a first outlet connected to the first outlet of the sink, and a second outlet. The second tube has a first outlet connected to the second outlet of the sink, and a second outlet. The heat exchanger has a first outlet connected to the second outlet of the first tube, a second outlet connected to the second outlet of the second tube, and a third outlet. The pressure adjuster has an outlet connected to the third outlet of the heat exchanger. A heating element is placed in the sink and immersed in the dielectric liquid. The size of the pressure adjuster is defined by a volume of a vaporization status of the dielectric liquid.