Abstract: A vehicle battery thermal management system and method providing active internal air cooling includes a heat exchanger mounted within an exterior wall of the battery enclosure. The heat exchanger has a first set of heat exchanger elements extending externally to the battery enclosure and in fluid communication with external ambient air. The heat exchanger has a second set of heat exchanger elements extending internally to the battery enclosure and in fluid communication with internal air within the battery enclosure. The system includes at least one of an external damper door and an internal damper door. The external damper door is configured to control the flow of the external ambient air into the first set of heat exchanger elements. The internal damper door is configured to control the flow of the internal air into the first set of heat exchanger elements.

Abstract: An apparatus and methods are provided for finless heat exchanger cores. A heat exchanger core includes an inlet header and an outlet header. The heat exchanger core also includes one or more curved channel frames disposed at least partially between the inlet header and the outlet header. The one or more curved channel frames have a first end and a second end, and one or more fluid passageways that direct flow of a first fluid in a first direction therethrough from the first end to the second end. In some embodiments, at least one of the one or more curved channel frames includes a rounded leading edge and a tapered trailing edge.

Abstract: A heat exchanger includes a central body with a first set of channels and a second set of channels extending along a main direction through the central body, wherein, in the central body, in any cross-section across the main direction, the channels of the first and second sets form a checkered pattern in said cross-sections, wherein the heat exchanger further includes two inner transition portions, wherein, in respective inner transition portion, among the rows extending along a first direction, are every second, counted along a second direction, row provided with channels being along the main direction increasingly shifted in position in a first direction relative to the other channels such that the checkered pattern of channels is transformed into a line pattern.

Abstract: A shell heat dissipating structure of a small form-factor transceiver includes a hollow shell and a heat dissipating structure. The hollow shell has a setting surface disposed on the outside; the setting surface is formed along an extending direction of the hollow shell. The heat dissipating structure has plural fins formed along the extending direction of the hollow shell and spaced on the setting surface; a plurality of channels is formed among the fins. Each of the fins is formed by plural projecting portions and recess portions disposed along the extending direction and alternated continuously such that the channels among the fins communicate with each other through the recess portions.

Abstract: A device for heat exchange and positioning in a pipe. The device includes a central body containing a material for storing thermal energy by latent heat accumulation, to be placed in thermal exchange with a circulating surrounding fluid. The device also includes structure for positioning the central body in the volume. The positioning structure is connected to, and extends around, the central body The position structure is also connected to reserving passages that enable contact between the central body and the surrounding fluid and the circulation of the surrounding fluid.

Abstract: A heat exchanger assembly includes a frame, a plurality of tubes, and a first bumper clip attaching at least a first tube of the plurality of tubes to the frame. The first tube defines a first exterior dimension and the first bumper clip defines a first tube slot defining a first tube slot dimension that is less than the first exterior dimension of the at least first tube.

Abstract: Climate control device for motor vehicle conveys and conditions inflowing air for a passenger compartment includes a housing with a diffuser, a mixing zone and at least two flow paths through which two flows can be conducted in parallel. A heating heat exchanger is disposed in a first flow path to heat an air mass subflow. A heat exchanger is provided for cooling and/or dehumidifying inflowing air. A bypass flow path is provided through which air can flow in parallel to a flow channel with the heat exchanger. At least one flow guide mechanism opens and closes the bypass flow path. flow channel and bypass flow path open out with outlet ports into mixing zone. Outlet port of a bypass flow path is developed for specific discharge of an air mass subflow into first flow path in proximity of an opening site of first flow path into a mixing zone.

Abstract: A system for draining an airfan heat exchanger includes an airfan heat exchanger including a housing, a pressurized gas source fluidly coupled to the airfan heat exchanger and configured to hold a purging gas at a predetermined pressure, and a controller configured to control delivery of the purging gas to the airfan heat exchanger. The pressurized gas source is configured to provide a flow of the purging gas to the airfan heat exchanger and thereby drain water held in the airfan heat exchanger. The purging gas to the airfan will cause the airfan to drain quickly avoiding potential damage to the airfan from freezing of the water during cold weather.

Abstract: A heat exchanger includes a conduit, a header, and a swirler been formed as a unitary piece by additive manufacturing. The swirler is disposed within the conduit and the header and is arranged to disperse a flow from an inlet flow path a heat exchanger matrix. The swirler extends a only portion of the length of the header between the conduit and the heat exchanger matrix and thereby provides space within the header for fluid to diffuse before entering the heat exchanger matrix.

Abstract: A device for controlling the temperature of a hub includes a hub bearing mounted at a central hole of the hub, an axle mounted in the central hole through the hub bearing, an end cover mounted on a wheel disc outside the hub bearing, a temperature sensor, a water return passage, a motor, a turbine, a water storage tank, a water outlet passage, a wind driven generator, a rectifier, a battery, a controller and other components, wherein the water storage tank is arranged inside the axle and connected to the water outlet passage and the water return passage, the water passages are arranged inside the axle and connected to fluid, the turbine is arranged at the bottom of the water storage tank, and the turbine is driven by the motor at the bottom of the water storage tank.

Abstract: A heat exchanger that comprises a plurality of small channels that are arranged around a cross-sectional perimeter such that the sides of the small channels are touching to create bigger channels running parallel to the small channels. To this end, embodiments of the present invention have a heat exchanger matrix where the structure of the large channels is entirely comprised by the structure of the smaller channels resulting in a more compact, more efficient heat exchanger.

Abstract: A heat pipe with micro tubes (2), includes a solid heat conductor (1) provided therein with two or more parallel micro tubes (2), the micro tubes being filled therein with working medium which exchanges heat through phase change; and the two ends of the heat conductor (1) are sealed and at least one of them is provided with a sealing strip of gradually shrinking shape that is formed from cold welding.

Abstract: An additively manufactured heat transfer device is disclosed, including an enclosure portion with outer walls. The outer walls contain an inner channel configured to direct a flow of coolant fluid. The heat transfer device further includes a fluid intake port and a fluid outtake port, each connected to the first inner channel. The fluid intake port is configured to direct a flow of coolant fluid through an outer wall of the enclosure portion into the inner channel, and the fluid outtake port is configured to direct a flow of coolant fluid through an outer wall of the enclosure portion out of the inner channel. The inner channel is defined by internal walls, and the enclosure portion and the internal walls form a single additively manufactured unit.

Abstract: A thermal barrier for helping to maintain a temperature in volumes and/or at least one internal structural component surrounded by the barrier. The barrier has a first component containing at least one phase change material (PCM) that changes its state at a first temperature, a second component containing a PCM that changes its state at a second temperature which is different from the first temperature, and a third, thermally insulating component that is disposed between the first and second components containing a PCM or outside the second component.

Abstract: A counter flow heat exchanger: has an inner container with radially outwardly projecting helical webs, a cylindrical housing, wherein an inner circumferential surface of the housing and the radially outer edges of the helical webs of the inner container are in contact such that a flow path is developed in which a first heat transfer fluid can flow between the helical webs of the inner container and the inner circumferential surface of the housing; a helical heat exchanger tube extending between the helical webs of the inner container such that a second heat transfer fluid can flow within this heat exchanger tube counter to the direction of flow of the first heat transfer fluid. A method for the production of a counter flow heat exchanger is also provided.

Abstract: A vapor chamber and a manufacturing method thereof are provided. The vapor chamber includes a housing, a capillary structure, at least two liquid-filling and gas-discharging pipes and a working fluid; the housing has a bottom housing plate and a top housing plate correspondingly engaged and sealed with the bottom housing plate, and a single chamber is formed between the top housing plate and the bottom housing plate; the capillary structure is disposed in the single chamber; each of the liquid-filling and gas-discharging pipes is allowed to penetrate into the housing and communicate with the single chamber; and the working fluid is disposed in the single chamber. Accordingly, the working fluid can be evenly and widely distributed in the single chamber.

Abstract: A heat sink with a base defining a first side having a base planar surface, and a plurality of planar fins extending from the base planar surface in parallel disposition relative to each other. Each planar fin has a bottom fin edge, a top fin edge, and a leading fin edge. Each planar fin has a fin planar surface and one or more control surfaces. Each of the one or more control surfaces extends from the fin planar surface and is disposed relative to the fin planar surface, the bottom fin edge, and the top fin edge such that a fluid flowing from the leading fin edge is conducted toward the base planar surface.

Abstract: A liquid cooled heat dissipation device including a housing, at least two cooling fin modules, an input pipe, and an output pipe is provided. The housing has an accommodation space. The at least two cooling fin modules are disposed in the accommodation space. The input pipe is disposed on the top plate, the front plate, the rear plate, or one of the side plates of the housing and communicates with the accommodation space. The output pipe is disposed on the top plate, the front plate, the rear plate, or the other one of the side plates of the housing and communicates with the accommodation space. The at least two cooling fin modules have different arrangement densities and different fin thicknesses.

Abstract: An energy storage device for storing electrical energy in the form of heat energy and a corresponding method for operating an energy storage device of this type. The energy storage device includes an electric heater for converting electrical energy into heat energy, a heat storage device for storing the heat energy of the electric heater, and a heat exchanger for emitting heat energy from the heat storage device. The heat storage device includes, at least, multiple metal rods arranged upright and serving to store heat energy from the electric heater; a base; and multiple supporting units. Each supporting unit supports one of the metal rods and is connected with the base.

Abstract: A heat exchanger with a plurality of flow path assemblies disposed in a core body, a first and a second core surface of the core body provided with a plurality of throughholes. Each throughhole on the first and the second core surface mated individually with a flow path assembly seat, a coupling means providing independent positioning as well as longitudinal axial orientation means to each of the flow path assembly disposed in the core body, wherein each flow path assembly seat provided on the first core surface engages a first tubular section of a corresponding flow path assembly, while each flow path assembly seat provided on the second core surface engages a second tubular section of a corresponding flow path assembly. Each flow path assembly provided with at least one chamber section, each chamber section having a medium directing component disposed within for a desired medium flow effect.