Abstract: An energy storage and transfer system and method includes the use of a containment vessel holding a first solid/liquid phase change heat transfer medium and at least one second containment vessel located at least partially within the first phase change heat transfer medium and holding a second solid/liquid phase change medium. The second phase change heat transfer medium is heated from an external source of energy and gives up its absorbed heat to the first phase change heat transfer medium. A heat exchange loop is partially contained within the first phase change heat transfer medium for removing energy therefrom and transferring it to an external source for use. The second phase change heat transfer material has a higher melting temperature and higher heat of fusion value than the first phase change heat transfer material.

Abstract: Disclosed is a hot water supplying apparatus which has a dual pipe capable of transferring heat energy of hot water, which is heated by heat of combustion of a burner and flows in pipe of a heat exchanger, to an inner pipe in which cold water is introduced, thereby inhibiting the condensation of moisture so as to prevent the corrosion of parts in the hot water supplying apparatus. The hot water supplying apparatus, comprises: a burner for supplying heat; a water inlet pipe for supplying cold water; a heat exchanging pipe formed with a dual pipe including an outer pipe for directly receiving combustion heat of the burner, and an inner pipe formed in the outer pipe, for allowing the cold water, which is introduced through the water inlet pipe, to be heated while passing through the inner pipe; and a water outlet pipe for discharging the heated water from the heat exchanging pipe.

Abstract: An evaporation cycle heat exchange system for a vehicle cools vehicle electronic components, a fuel cell stack, an internal combustion engine, an automatic transmission, a turbocharger, etc. using an evaporative heat exchanger, thus improving cooling efficiency and reducing the size of components such as a radiator. The evaporation cycle heat exchange system cools coolant circulating through a vehicle cooling system by employing an evaporative heat exchanger in which a working fluid flows by a pressure difference caused by volume expansion and capillary phenomenon. Accordingly, it is possible to improve the cooling efficiency of the entire cooling system, reduce the size of components to comply with pedestrian protection regulations, improve fuel efficiency, and ensure the stability of the system.

Abstract: A flooded heat exchanger is described. The flooded heat exchanger has a primary tube bundle inside which a first operating fluid flows, a skirt surrounding the primary tube bundle and receiving a second operating fluid which flows over the primary tube bundle, and one or more extractable units, each in turn having a secondary tube bundle which receives an auxiliary operating fluid, and a secondary tube plate for performing a removable connection to the flooded heat exchanger.

Abstract: A method for managing thermal energy in an internal combustion engine including an exhaust gas recirculation system and an engine cooling system includes recirculating a portion of an exhaust gas through the exhaust gas recirculation system that is in thermal communication with a first side of a thermoelectric device, flowing an engine coolant into thermal communication with a second side of a thermoelectric device, and controlling electric current between an electrical energy storage device and the thermoelectric device to transfer thermal energy between the recirculated exhaust gas and the engine coolant.

Abstract: An air conditioning system for utilizing outdoor air to cool an interior space has a rack for mounting a heating element, a unitized air conditioning device having a pair of unit portions including an interior unit and an exterior unit, and a partition wall disposed between the interior and exterior units. The unitized air conditioning device is disposed so that an air supply face of the interior unit faces an air inlet face of the rack. The exterior unit includes a first fan and a first heat exchanger for exchanging heat between the outdoor air and a refrigerant. The interior unit includes a second heat exchanger for exchanging heat between returning air and the refrigerant to generate cool air, and a second fan. The unitized air conditioning device includes a piping connected to the first heat exchanger and second heat exchanger for circulating the refrigerant.

Abstract: A heat exchanger is disclosed for cooling a gas from a first temperature to a second temperature. The exchanger comprises a first heat exchanging chamber, a second heat exchanging chamber and an array of heat pipes which are arranged to extend from within the first heat exchanging chamber to within the second heat exchanging chamber. The first heat exchanging chamber comprises an inlet for receiving a coolant into the chamber and an outlet through which the coolant can exit the first chamber, the coolant being arranged to pass over the portion of the heat pipes which extend within the first chamber. The second heat exchanging chamber comprises an inlet for receiving the gas at a first temperature into the chamber and an outlet through which the gas can exit the second chamber at a second temperature.

Abstract: An apparatus and method to recover heat from and cool flue gases. As shown in FIG. 1, a condenser 10 is provided having two packed beds (20/26) and separate condensate loops. The condensate loops are configured such that first packed bed 20 maximizes heat recovery from flue gas 12 and second packed bed 26 maximizes cooling of flue gas 12. Temperature differences between entry flue gas 12 and recovered condensate 38 are minimized while temperatures differences between exit flue gas 34 and return condensate 54 is also minimized.

Abstract: A cooling device including a heat pipe to cool a sheet, a radiator provided to an end of the heat pipe, and a duct accommodating the radiator and having a closably openable cover member. The cover member is openable to enable attachment and detachment of the heat pipe to and from the cooling device in a predetermined direction.

Abstract: An apparatus comprising a rack having a row of shelves, each shelf supporting an electronics circuit board, each one of the circuit boards being manually removable from the shelve supporting the one of the circuit boards and having a local heat source thereon. The apparatus also comprises a cooler attached to the rack and being able to circulate a cooling fluid around a channel forming a closed loop. The apparatus further comprises a plurality of heat conduits, each heat conduit being located over a corresponding one of the circuit boards and forming a path to transport heat from the local heat source of the corresponding one of the circuit boards to the cooler. Each heat conduit is configured to be manually detachable from the cooler or the circuit board, without breaking a circulation pathway of the fluid through the cooler.

Abstract: A cold plate device and method for cooling electronic systems is provided including a generally flat thermally conductive body having a cooling channel within the thermally conductive body. A first cooling fluid travels through the cooling channel to remove heat from the conductive body. A vapor compression cycle system is coupled to the thermally conductive body such that the first cooling fluid removes heat from a second cooling fluid in a portion of the vapor compression cycle system.

Abstract: A plasma processing apparatus and method to control a temperature of a chamber component therein. A process chamber may include a temperature controlled chamber component and at least one remote heat transfer fluid loop comprising a first heat exchanger having a primary side in fluid communication with a heat sink or heat source, and a local heat transfer fluid loop placing the chamber component in fluid communication with a secondary side of the first heat exchanger. The local loop may be of significantly smaller fluid volume than the remote loop(s) and circulated to provide thermal load of uniform temperature. Temperature control of heat transfer fluid in the local loop and temperature control of the chamber component may be implemented with a cascaded control algorithm.

Abstract: A heat exchanger is disclosed for exchanging heat between a first gas and a second gas. The heat exchanger comprises a first heat exchanging chamber, a second heat exchanging chamber and an array of heat pipes which are arranged to extend between the first and second heat exchanging chambers. The first heat exchanging chamber comprising an inlet for receiving the first gas into the chamber and an outlet through which the first gas can exit the first chamber, the flow of first gas being substantially along the array of heat pipes. The second heat exchanging chamber comprising an inlet for receiving a second gas into the chamber and an outlet through which the second gas can exit the second chamber, the flow of second gas being substantially across the array of heat pipes. The flow of second gas is split into two subsidiary flow paths, with each subsidiary flow path comprising a substantially identical array of heat pipes. This ensures that each heat pipe receives a similar rate of heat exchange.

Abstract: A dual air flow exchanger, enabling heat transfer and humidity transfer between two air flows, and including a plurality of air circulation networks stacked on each other along a stacking direction and separated in pairs by membranes permeable to water vapor and impermeable to air. At least one of the networks is made from a honeycomb structure with its two sides bearing on two of the membranes, the structure including cylindrical cells with axes parallel to the direction, and in which at least some of the cell faces are perforated to allow air passage.

Abstract: An evaporative cooling system includes an indirect cooling coil containing a cooling fluid to be circulated and a blower assembly configured to generate an inlet air stream through the indirect cooling coil. The cooling fluid in the indirect cooling coil is a slurry of water and phase change material.

Abstract: Disclosed is a spraying tube device capable of, even in a case where a spray solution having low latent heat is used in a falling film type evaporator, uniformly spraying the spray solution to a heat-transfer tube, and a heat exchanger using the spraying tube device. The spraying tube device includes: a spraying tube configured to eject a spray solution M upward through ejection holes arranged along a tube axis C; a cover arranged above the spraying tube and configured to receive the ejected spray solution M and cause the spray solution M to flow through a space S between the cover and the spraying tube to flow downward on an outer surface of the spraying tube, and fins configured to uniformize in a tube axis C direction a distribution of the spray solution M having flowed downward from the cover.

Abstract: A heat exchanger includes an inlet header configured to receive a cooling fluid and an outlet header configured to discharge the cooling fluid. A plurality of microchannel tubes are in fluid communication with and extend between the inlet header and the outlet header. The microchannel tubes define a first heat exchanger region and a second heat exchanger region between the inlet header and the outlet header. The first heat exchanger region has a plurality of fins defining a first fin density that is greater than a second fin density of the second heat exchanger region.

Abstract: The invention relates to a cooler for low-temperature methanol washing gas, which comprises a first heat exchanger and a second heat exchanger. The first heat exchanger includes a first housing, a first board, and a first heat exchange tube. The first housing is provided with a first feed gas inlet, a first feed gas outlet, a first heat transfer medium inlet, and a first heat transfer medium outlet. The second heat exchanger includes a second housing, a second board, and a second heat exchange tube. The second housing is provided with a second feed gas inlet, a second feed gas, a second heat transfer medium inlet, and a second heat transfer medium outlet. The second housing and the second board of the second heat exchanger may be made with a relatively thin plate, thereby enormously reducing the material and manufacturing cost for the invention with meeting the requirements of the production.

Abstract: A cooling system is disclosed for use with a machine having an engine and an operator cabin. The cooling system may have a first pump configured to circulate coolant through the engine, a heat exchanger configured to receive coolant from the engine and transfer heat between the coolant and air passing through the heat exchanger, and a fan configured to generate a flow of air through the heat exchanger and into the operator cabin. The cooling system may also have an air conditioning unit configured to chill coolant, and a second pump configured to circulate coolant from the air conditioning unit through the heat exchanger.

Abstract: A lubricant heat exchanger may include a mounting portion and a heat exchanger portion. The mounting portion may be configured to engage a first end of a lubricant filter and may include a fluid passage in fluid communication with the lubricant filter. The heat exchanger portion may extend from the mounting portion and may be configured to at least partially surround a circumferential surface of the lubricant filter. The mounting portion may engage the first end of the lubricant filter and provide fluid communication between the heat exchanger portion and the lubricant filter. The heat exchanger portion may include a fluid inlet and a fluid outlet. The fluid inlet and outlet being fluidly isolated from the lubricant filter.

Abstract: The invention relates to a method and circuit arrangement for recovering heat from wastewaters, comprising—a wastewater circuit having a sewage intake shaft (4) connected to a common sewer (1) through a raw sewage line (2), and at least one heat exchanger (7) connected to the sewage intake shaft (4,—a primary circuit having at least one heat pump (8), and—a secondary circuit comprising at least one storage tank (9) and at least one heat utiliser, where the wastewater circuit, the primary circuit, and the secondary circuit are arranged to be in heat-transfer connection, and,—where the sewage is fed to one side of the wastewater circuit heat exchanger (2) and the working medium of the heat pump (9) of the primary circuit is fed to the other side of the same heat exchanger (9), with the working medium of the heat pump (8) being fed in a storage tank (9) and the storage tank (9) is connected to a heat utiliser.

Abstract: A heat exchanger for cooling fluid passing through the heat exchanger. The heat exchanger includes a hot fluid flowpath and a cold air flowpath. At least a portion of the cold air flowpath has a thermally conductive wall transferring thermal energy from hot fluid flowing through the hot fluid flowpath to cold air flowing through the cold air flowpath. The cold air flowpath includes a separator for separating ice particles from the cold air flowing through the cold air flowpath. The separator includes a passage having a bottom wall, an end wall, and a side wall including a porous wall through which a majority of cold air entering the separator passes. The end wall has an ice particle discharge opening adjacent the bottom wall permitting a minority of the cold air entering the separator to carry ice particles separated from the majority of cold air through the opening.

Abstract: A condenser for a vehicle may include first and second headers, a heat-exchanging portion disposed between the first and second headers, a coolant tank mounted at an outer side of the first header and having a coolant inlet and a coolant outlet, the coolant tank to supply the coolant to the heat-exchanging portion and to receive through the first header the coolant passing through the heat-exchanging portion and the second header, and a receiver-drier portion connected to the second header to perform gas-liquid separation and moisture removal from the coolant having passed through the heat-exchanging portion, wherein an inner space of the coolant tank is divided into an upper portion and a lower portion by a first partition disposed between the coolant inlet and the coolant outlet, and a spiral groove for causing the coolant to rotate is formed at the upper portion connected to the coolant inlet.

Abstract: An architectural heat and moisture exchanger. The exchanger defines an interior channel which is divided into a plurality of sub-channels by a membrane configured to allow passage of water vapor and to prevent substantial passage of air. In some embodiments, the exchanger includes an opaque housing configured to form a portion of a building enclosure, such as an exterior wall, an interior wall, a roof, a floor, or a foundation.

Abstract: An air/refrigerant heat exchanger includes a plurality of coiled tubes. A first tube of the plurality of coiled tubes has a phase change material therein. A second tube of the plurality of coiled tubes has a flow of cooled refrigerant flowing therethrough and the first tube is in thermal contact with the second tube. A third tube of the plurality of coiled tubes has a flow of air flowing therethrough and the third tube is in thermal contact with the first tube and the second tube.

Abstract: An apparatus, rear door heat exchanger, system, and method for controlling the redundancy of a cooling system for a server rack. The system includes a cooling system having at least two liquid cooling circuits. The system also includes a rear door heat exchanger connected to the cooling system. The rear door heat exchanger includes two heat exchange coils. Each heat exchange coil is carried by the server rack and configured to interface with a different liquid cooling circuit. The rear door heat exchanger also includes an adapter configured to couple together the two heat exchange coils into one heat exchange unit. The heat exchange unit is configured to interface with one liquid cooling circuit from the cooling system.

Abstract: A low profile heat removal system suitable for removing excess heat generated by a component operating in a compact computing environment is disclosed. The low profile heat removal system is capable of removing disproportionately high amounts of heat given its small form factor, by virtue of a highly efficient staggered cooling fin configuration.

Abstract: Cooling element, with multiple cooling disks (16, 17) arranged in an array to restrict flow interspaces for the air to be cooled. Cooling disks (16) extending to the inlet side for the air to be cooled, and shorter cooling disks (17) not extending to the inlet side, are arranged alternating order.

Abstract: A cooling recover system and method are disclosed. A fluid, such as water, is chilled and provided to a cooling coil to cool and dehumidify air passing over the cooling coil. The fluid is output from the cooling coil through an outlet, and at least a portion of the fluid from the outlet of the cooling coil is provided to an inlet of a heat transfer coil to reheat air passing over the heat transfer coil. The fluid is warmed as it passes through the cooling coil, which warmer temperature serves to reheat the air passing over the heat transfer coil.

Abstract: A method of fabrication of panels having built-in heat pipe(s) and/or insert(s) (P), includes providing a bottom plate having tabs, partially straightening the tabs toward the accommodation zones, positioning the heat pipes and/or the inserts in each accommodation zone between the tabs and in contact with the upper face of the bottom plate, terminating the straightening of the tabs, depositing a selected thickness of a first adhesive against side faces of the heat pipes and/or the inserts, positioning separating structures, substantially having a same height as that of the heat pipes and/or the inserts on either side of the side faces of each heat pipe and/or insert and in contact with the upper face of the bottom plate, and placing an upper plate above the heat pipes and/or inserts and the separating structures and in contact therewith.

Abstract: A cooling apparatus and method are provided for cooling an electronic subsystem of an electronics rack. The cooling apparatus includes a local cooling station, which has a liquid-to-air heat exchanger and ducting for directing a cooling airflow across the heat exchanger. A cooling subsystem is associated with the electronic subsystem of the rack, and includes either a housing facilitating immersion cooling of electronic components of the electronic subsystem, or one or more liquid-cooled structures providing conductive cooling to the electronic components of the electronic subsystem. A coolant loop couples the cooling subsystem to the liquid-to-air heat exchanger of the local cooling station. In operation, heat is transferred via circulating coolant from the electronic subsystem and rejected in the liquid-to-air heat exchanger of the local cooling station to the cooling airflow passing across the liquid-to-air heat exchanger. In one embodiment, the cooling airflow is outdoor air.

Abstract: A chiller coil system for an asymmetric gas turbine filter house includes a plurality of chiller coil modules arranged in a substantially vertical array, each chiller coil module provided with a cooled fluid inlet pipe and a fluid outlet pipe. Each outlet pipe is connected to a common return pipe and at least some of the inlet pipes are connected to the common return pipe. A mixing control valve is provided for controlling an amount of cooling fluid in the common return pipe to be added to at least some of the inlet pipes.

Abstract: An architectural heat and moisture exchanger. The exchanger defines an interior channel which is divided into a plurality of sub-channels by a membrane configured to allow passage of water vapor and to prevent substantial passage of air. In some embodiments, the exchanger includes an opaque housing configured to form a portion of a building enclosure, such as an exterior wall, an interior wall, a roof, a floor, or a foundation.

Abstract: A refrigerated air dryer includes a three-path heat exchanger 18 having an air path 18a, a refrigerant path 18b, and a fluid path 18c. The three flow paths exchange heat within a single unit to provide a compact heat exchanger with improved thermal performance at a lower production cost.

Abstract: An exemplary heat dissipation device for a portable electronic device includes a heat pipe and a heat dissipating member. The heat pipe includes an evaporator section and a condenser section. The evaporator section is attached to a heat source of the portable electronic device. The heat dissipating member includes a sheath, and a porous heat dissipating layer and a working fluid contained in the sheath. The porous heat dissipating layer defines gaps therein. The working fluid is filled in the gaps. The condenser section of the heat pipe is received in the porous heat dissipating layer and thermally contacts the porous heat dissipating layer.

Abstract: An exhaust gas heat exchanger, in particular for a motor vehicle, is provided that includes at least one diffuser for feeding and/or discharging an exhaust gas flow; an exchanging region comprising exchanging tubes which extend in an axial direction and which are connected to a base at one end; a housing through which a cooling agent can flow and which is made of a material that is non-resistant to high temperatures, in particular plastic or aluminum. The aim of the invention is to provide an exhaust gas heat exchanger that is simply constructed and inexpensive to produce. This is achieved in that a connecting element is partly embedded in the housing in order to secure the connecting element to the housing, the connecting element being bonded to the base in a first bonding region, said base being bonded to the diffuser in a second bonding region.

Abstract: The invention provides a system for regenerative selective catalytic reduction including a catalyst chamber that contains a catalyst for reducing NOX in a gas stream passing therethrough. The system also includes a reactant injector, first and second heat exchangers, and a valve manifold adapted to direct a substantially continuous gas stream through the heat exchangers and catalyst chamber in such a manner as to flow through the catalyst chamber in the same flow direction during each cycle of the system. The invention also provides a process of regenerative selective catalytic reduction wherein the gas stream through the catalyst chamber flows in the same flow direction during each cycle of the process.

Abstract: A heat exchanger including a primary inlet manifold that has an inlet port to receive refrigerant from a source, a primary outlet manifold that has an outlet port to discharge refrigerant from the heat exchanger, and a plurality of microchannel tubes fluidly connected between the primary inlet manifold and the primary outlet manifold and spaced apart from each other. Each of the plurality of microchannel tubes has a secondary inlet manifold fluidly coupled to the primary inlet manifold, a secondary outlet manifold fluidly coupled to the primary outlet manifold, and at least one microchannel fluidly coupled between the secondary inlet manifold and the secondary outlet manifold to direct refrigerant to the secondary outlet manifold. The heat exchanger also includes a plurality of fins disposed between adjacent microchannel tubes and oriented to define an airflow path along the longitudinal direction of the microchannel tubes.

Abstract: An air-conditioning apparatus includes a heat medium relay unit accommodating heat exchangers for exchanging heat between a flammable refrigerant and a heat medium different from the refrigerant. The heat medium relay unit is disposed in a space in a structure that is not an air conditioned space. One or more outdoor units are connected to the heat medium relay unit to circulate the refrigerant therein. The outdoor units are disposed in a space outside the structure or a space inside the structure that is not isolated completely from the space outside the structure. One or more indoor units are connected to the heat medium relay unit by a different system than that of the outdoor units. The indoor units circulate the heat medium therein to exchange heat with air related to the indoor space.

Abstract: Disclosed are an instantaneous boiler and a double pipe heat exchanger for the instantaneous boiler supplying heating water and hot water, which can obtain hot water output larger than heating water output, simultaneously use the heating water and the hot water, and have a simple piping structure. The heat exchanger includes: an outer pipe used for a hot water pathway, to which combustion heat is directly transferred from a burner in a combustion chamber; and an inner pipe used for a heating water pathway and extending through the outer pipe.

Abstract: An inlet air flow guide for a condensing unit of an air cooled direct expansion (ACDX) air conditioning unit. The flow guide has a panel having at least a portion spaced from a surface of the condensing unit to define a plenum for cooling air to enter the condensing unit from one side. A condensing unit of an ACDX air conditioning unit has a refrigerant cooling coil disposed in an opening, and the inlet air flow guide defines a plenum to provide an air flow passage to the opening from one side thereof. According to a method, the inlet air flow guide is installed onto the condensing unit of an ACDX air conditioning unit, wherein a panel of the flow guide has at least a portion spaced from a surface of the condensing unit to define a plenum for cooling air to enter the condensing unit from one side.

Abstract: A heat transfer apparatus for a product includes a housing having an internal chamber; a solid conveyor belt disposed within the internal chamber and arranged in a spiral configuration having upper and lower portions, the spiral configuration including an upper pathway within the upper portion, a lower pathway within the lower portion; a gas flow having an upper gas flow across the upper pathway, a lower gas flow across the lower pathway and in counter-flow to the upper gas flow, wherein the upper gas flow and the lower gas flow define a circulation loop; and a gas circulation device to induce the upper and lower gas flows along the circulation loop.

Abstract: A heat absorbing or dissipating device has a multi-pipe arrangement for flowing thermal conductive fluids having a temperature difference. The thermal conductive fluids are reversely transported by a first fluid piping and second fluid piping of the multi-pipe arrangement and configured in way such that the piping has a parallel arrangement on a same end side of a heat dissipation or absorption receiving article or space.

Abstract: The invention relates to a device for controlling the climate in a greenhouse, comprising a first heat exchanger (7) with a first series of channels (7a) and a second series of channels (7b), greenhouse supply means (1) leading from the greenhouse to the first series of channels, outside supply means (5) leading from outside to the second series of channels, greenhouse discharge means (4) leading from the device to the greenhouse and outside discharge means (6) leading from the device to the outside, wherein the greenhouse discharge means connect to the first series of channels and the outside discharge means connect to the second series of channels. The air is hereby retained in the greenhouse without supply of new air, while the temperature of the air in the greenhouse can be adjusted while maintaining a separation between greenhouse air and outside air.

Abstract: There is provided a heat exchanger realizing downsizing, weight saving, and cost reduction in comparison with a conventional heat exchange element, heat exchanger, etc. The heat exchanger 30 is provided with a first fluid flow portion 5 formed of a honeycomb structure 1 having a plurality of cells 3 partitioned by ceramic partition walls 4 and extending from one end face 2 to the other end face 2 in an axial direction to allow a heating medium as a first fluid to flow therein, and a second fluid flow portion 6 formed of a casing 21 containing the honeycomb structure 1 therein, the casing 21 having an inlet and an outlet for a second fluid, and the second fluid flowing on an outer peripheral face of the honeycomb structure 1 to receive heat from the first fluid.

Abstract: A system is provided for tempering, or controlling the temperature of a printing machine to maintain a desired temperature by the use of a cooling device. The cooling device prepares, on a first output, a tempering medium having at least one first desired temperature level, for a first supply current of the tempering medium for the components whose temperatures are to be controlled. The cooling device provides a first cooling process which can be carried out by a first fluid circuit. Tempering medium, which is to be cooled to a tempering temperature that is below the ambient, or an external temperature, are provided. A second cooling process is carried out by a device for cooling a second fluid circuit which is different from the first fluid circuit, by the use of outside air.

Abstract: A display device according to the present invention comprises a housing having a waterproof structure and provided with an accommodation room formed therein, a ventilation part defined outside the accommodation room and leading to outside of the housing, a display panel arranged inside the accommodation room and including a display screen viewable from a front surface side of the housing, and one or a plurality of heat pipes arranged on a rear surface side of the display panel. The heat pipe passes through a side surface wall forming the accommodation room and extends from inside of the accommodation room to inside of the ventilation part.

Abstract: The present invention discloses a cooling device for cooling a wind turbine generator system as well as the wind turbine generator system, wherein the cooling device comprises: a first cooling circuit used for sealing and cycling a first coolant and comprising a first inflow pipeline, one or more heat-absorbing units, a first outflow pipeline and a heat dissipation unit which are in fluid communication with each other in sequence, and the heat dissipation unit being connected to the first inflow pipeline and thus forming the first cooling circuit to be circulatory, and a second cooling circuit used for cooling the heat dissipation unit of the first cooling circuit, a second coolant being adopted by the second cooling circuit and taking away the heat in the heat dissipation unit, so that a first gaseous coolant in the heat dissipation unit is transformed into a first liquid coolant.

Abstract: A cooling system for an electrical machine includes a substantially closed housing, a first heat exchanger arranged inside of the housing, a second heat exchanger arranged outside of the housing, a conduit assembly for transferring a heat exchange medium in a closed circuit between the first and the second heat exchangers, a first air circulating means configured to circulate air inside of the housing over the first heat exchanger, and a second air circulating means configured to circulate air outside of the housing over the second heat exchanger, wherein the conduit assembly includes a pump for actively circulating the heat exchange medium between the first and the second heat exchangers.

Abstract: A cooling system (20) includes a media exchanger (50), a cooling section (22), and a cooling circuit (120) for circulating a cooling fluid (130) between the media exchanger (50) and the cooling section (22). The media exchanger (50) receives outside air (38) and the cooling section (22) receives return air (32) from and interior space (34). When the cooling fluid (130) circulates into the cooling section (22) via the cooling circuit (120), the temperature of the return air (32) is reduced through indirect heat transfer between the cooling fluid (130) and the return air (32) to produce conditioned air (84). The conditioned air (84) is provided as supply air (46) into the interior space (34). When the cooling fluid circulates into the media exchanger via the cooling circuit, the temperature of the cooling fluid is reduced through direct heat transfer between the cooling fluid and the outside air.