Abstract: A ventilation device with a through housing that is a duct for an air jet flow having the through housing connected to an opening of a building partition, with a stationary regenerative heat exchanger and a pumping section formed of a centrifugal fan of constant rotation direction and a main reversible air jet driver with an individual drive arranged in series inside the housing, characterized in that the heat exchanger is provided with a metallic pressure vessel with at least one heat exchange system attached to walls of the pressure vessel, wherein an interior of the pressure vessel is filled with a thermodynamic working agent and connected to a cyclic discrete pressure control system of the working agent.

Abstract: An object is to provide a heat conductive sheet having good handleability when mounting between the heating element and the heat dissipator, and softness that enables the distortion of the heating element, the heat dissipator, and the like to be suppressed in use. The heat conductive sheet contains: a matrix comprising a cured product of organopolysiloxane; and heat conductive fillers comprising anisotropic fillers with their major axes oriented in the thickness direction, and has a load property P represented b formula (1) below of 0.1 to 0.7: Load property P=(F30?F20)/F10??(1) wherein F10 is a load of the heat conductive sheet at 10% compression, F20 is a load of the heat conductive sheet at 20% compression, and F30 is a load of the heat conductive sheet at 30% compression.

Abstract: A heat exchanger includes an inlet tank (10a) connected to and in fluid communication with an inlet pipe (12a) for ingress of a coolant therein, an outlet tank (10b) connected to and in fluid communication with an outlet pipe (12b) for egress of coolant there from. The heat exchanger further includes heat exchange tubes (20) and a tubular element (30) to configure fluid communication between the inlet tank (10a) and the outlet tank (10b). A first side of the outlet tank (10b) is complimentary to and connected to the outlet pipe (12b) and an opposite second side of the outlet tank (10b) is complimentary to and aligned with the tubular element (30). The tubular element (30) and the outlet pipe (12b) are of different cross sections, wherein shape of the outlet tank (10b) transforms smoothly between those cross sections along fluid path.

Abstract: The invention relates to a condenser (3) of a cooling device (2) of at least one battery element (103) of a motor vehicle, configured to liquefy a dielectric fluid deposited in the form of vapor at the surface of said condenser, characterized in that the condenser comprises at least one main wall (6) and a plurality of secondary walls projecting from the main wall and participating in forming a chamber for receiving one or more battery elements. The condenser comprises a cooling fluid circuit provided in the thickness of the main wall and at least one dielectric fluid circuit in liquid form provided in the thickness of at least one secondary wall, said electrical fluid circuit being equipped with at least one nozzle for projecting the dielectric fluid.

Abstract: A heat pump device comprises a refrigerant circuit in which a compressor, a first indoor heat exchanger, an electric expansion valve, and a heat source-side heat exchanger are connected in a loop, a second indoor heat exchanger arranged between the compressor and the electric expansion valve and configured to store refrigerant during positive cycle defrost operation, an electromagnetic valve arranged between the second indoor heat exchanger and the electric expansion valve and configured to adjust an amount of refrigerant stored in the second indoor heat exchanger during the positive cycle defrost operation, and a control device that controls the compressor and the electric expansion valve.

Abstract: An air conditioning system includes a first system and a second system. The first system includes a compressor, a first heat exchanger, a second heat exchanger, an electronic control assembly, and a first throttle. The second system includes a first heat exchange assembly and a heat exchange member. The first heat exchange assembly includes a first channel and a second channel isolated from each other. A second communication port of the first channel is in communication with a second opening of the compressor or a second opening of the second heat exchanger. A first communication port of the heat exchange member is in communication with a first communication port of the second channel. A second communication port of the heat exchange member is in communication with a second communication port of the second channel. The heat exchange member includes a heat dissipation surface in contact with the electronic control assembly.

Abstract: A heat removal apparatus may comprise a vapor chamber device and a cover coupled to the vapor chamber device. The vapor chamber device comprises a base, a folded fin structure coupled to the base, with the base and folded fin structure defining a vapor chamber containing a wick and a working fluid. The cover and the vapor chamber device define a liquid chamber configured to receive liquid coolant. The folded fin structure comprises a plurality of folded fins defining a first plurality of grooves on a first side of the folded fin structure and defining a second plurality of grooves on a second side of the folded fin structure. The first plurality of grooves are part of the vapor chamber. The second plurality of grooves are part of the liquid chamber.

Abstract: A plurality of components of a refrigeration cycle are connected to a connection module. The connection module includes a body having a refrigerant flow path that constitutes a part of a refrigerant flow path in the refrigeration cycle. The refrigerant flow path includes a high-temperature-side flow path and a low-temperature-side flow path. The high-temperature-side flow path has a connection port to which a high-temperature-side component of the plurality of components, through which a high-pressure refrigerant of the refrigeration cycle flows, is connectable. The low-temperature-side flow path has a connection port to which a low-temperature-side component of the plurality of components, through which a refrigerant having a lower temperature than the high-pressure refrigerant flows, is connectable.

Abstract: Systems and methods for providing thermal systems having one or more radiators that each incorporate one or more heat pipe matrices are provided. Each heat pipe matrix includes at least one spreader heat pipe element and a plurality of lateral heat pipe elements. The lateral heat pipe elements can extend in a direction that is generally transverse to a direction in which the spreader heat pipe element extends. Each lateral heat pipe element includes a portion that is thermally coupled and parallel to a portion of at least one spreader heat pipe element. Multiple heat pipe matrices can be thermally coupled to one another by jumper heat pipes to form heat pipe networks.

Abstract: A heat exchanger includes heat transfer tubes disposed in an up-down direction and a distributor distributes refrigerant to the heat transfer tubes. The distributor has a main body having a first flow passage through which refrigerant flows upward, and an insertion part disposed inside the main body. When an upper one and a lower one of two among the heat transfer tubes are a first heat transfer tube and a second heat transfer tube, respectively, the insertion part is installed between the first heat transfer tube and the second heat transfer tube. The main body has a second flow passage through which refrigerant flows upward. Refrigerant having passed through the first flow passage and the second flow passage flows through the first heat transfer tube, and refrigerant having passed through the first flow passage flows through the second heat transfer tube.

Abstract: A modular heat exchanger includes: two finned heat sinks, each finned heat sink has multiple guiding plates and a mounting recess; a securing assembly for securing the two finned heat sinks; a heat conduction pipe mounted in the mounting recesses; multiple modular blocks linearly arranged, and each modular block has multiple inlet through holes and multiple outlet through holes; multiple water pipes, each water pipe has two ends mounted through the inlet through holes and the outlet through holes respectively; and multiple coolers mounted to an outer sidewall defined on at least one of the modular blocks. It is convenient to assemble, disassemble or expand the modular heat exchanger, so as to improve performance of the modular heat exchanger. When one of the coolers fails, it is able to reach and detach said failed cooler by disassembling some parts of the modular heat exchanger, which is convenient.

Abstract: A heat exchanger has: a heat transfer tube group made up of plural heat transfer tubes each of which has, inside the heat transfer tube, a flow passage through which refrigerant flows; a fin provided on the heat transfer tubes; and a bridging header into which end portions of the heat transfer tubes are inserted and that causes refrigerant to flow between the heat transfer tubes. The bridging header has a base having a flat plate shape. The bridging header also has a corrugated sheet forming, between the corrugated sheet and the base, a header flow passage, through which refrigerant flows. The bridging header also has a covering plate covering the corrugated sheet and pressing the corrugated sheet toward the base.

Abstract: An integrated circulating water cooling system includes at least one load; an air cooling sub-system; a wet surface cooling sub-system; at least one temperature sensor; a control; and a coolant circulation sub-system for fluidly circulating coolant from the at least one load to the air cooling sub-system to the wet surface cooling sub-system and back to the at least one load. The control selectively operates the wet surface cooling sub-system and the air cooling sub-system based on at least one of temperature sensed in the water circulation sub-system; or sensed ambient temperature.

Abstract: A heat exchanger for heat exchange between a first fluid and a second fluid is provided with: a body part which is an additive manufactured body and includes a first passage through which the first fluid flows and a second passage through which the second fluid flows; and a covering part attached to the body part. The body part has a first opening portion of the first passage and a second opening portion of the second passage, and the covering part is attached to the body part so as to cover exposure of the first opening portion and the second opening portion.

Abstract: An embodiment vehicle air conditioner includes an air conditioning device connected to a blower device to receive air supplied from the blower device, a heat exchange core provided in the air conditioning device and disposed in parallel with a flow direction of the air supplied from the blower device, a partition wall disposed to divide the heat exchange core into a first core part disposed to be close in distance to the blower device and a second core part disposed to be distant from the blower device, such that the air supplied from the blower device is distributed and supplied to the first core part and the second core part, and an air guide provided in a connection portion between the blower device and the air conditioning device and configured to guide the air to be supplied to the second core part of the heat exchange core.

Abstract: A directional control valve including air connections for exhaust air, feed air, outside air and waste air; two respective functional connections of a heating path and a cooling path; a switching element that is configured to connect each of the air connections with exactly one of the functional connections so that the exhaust air is fed back through the heating path as the feed air in a heating position, and the exhaust air fed back through the cooling path as the intake air in a cooling position, and the outside air is fed through the heating path in a winter ventilation position as the feed air, and the outside air is fed through the cooling path in a summer ventilation position as the feed air.

Abstract: Disclosed are a heat exchanger fin, a heat exchanger, an indoor unit and an air conditioner. The heat exchanger fin includes a fin body, and the fin body includes an air outlet contour line arranged on one side and an air inlet contour line arranged on the other side; refrigerant pipe mounting holes are provided in the fin body; and on a straight line where the curvature radius of the air outlet contour line of the fin body is located, or on a straight line where the curvature radius of the air inlet contour line of the fin body is located, the distance between the air inlet contour line and the air outlet contour line of the fin body is gradually reduced from the middle to two ends of the heat exchanger fin.

Abstract: A heat exchanger includes: rows of heat transfer tubes disposed next to one another in an air flow direction; and headers each connected to an end of each of the rows of heat transfer tubes. A center position of an upstream-most header disposed on a most upstream side in the air flow direction among the headers is displaced upstream in the air flow direction from a center position of an upstream-most row of the heat transfer tubes to which the upstream-most header is connected such that the upstream-most header is spaced apart from a row of the heat transfer tubes adjacent to the upstream-most row of the heat transfer tubes.

Abstract: An air-conditioning arrangement for an interior of a vehicle, with an air-conditioning unit, for providing air-conditioned interior air, and a cooling assembly, which is arranged in the interior. The cooling assembly has a refrigeration circuit, which, for removing heat from a refrigerant of the refrigeration circuit, has a heat exchanger, which is exposed to the interior air. The heat exchanger is spatially divided into a hot-gas section and a low-temperature section. The interior air that is taken in for the heat removal by the heat exchanger is divided into an outgoing-air component and a recirculating-air component. The low-temperature section of the exchanger is exposed to the recirculating-air component of the interior air and the hot-gas section of the heat exchanger is exposed to the outgoing-air component of the interior air.

Abstract: System and apparatus for carbon dioxide detection within an automobile. Specifically, this disclosure describes apparatuses and systems for optical gas detection in a stationary and moving vehicle. There is a need for a such a system to prevent loss of life and contribute to a safer traffic environment. This disclosure provides a highly efficient optical measurement system based on principals of optical absorption spectroscopy. It detects the presence of neglected children and animals and changes the vehicle's interior environment accordingly so as to preclude many potentially dangerous conditions. The present disclosure can also optimize ventilation for a driver. To this end, a driver can maximize alertness and attentiveness.