Abstract: A prefabricated outdoor thermal duct system is provided having a metal formed ductwork air passage, a hard board insulation layer glued to the metal duct leaving custom cut space for duct connections, a custom prefabricated cladding formed and adhered to the hard board insulation, a custom fabricated insert matching the insulation material, installed over the duct connection in the field to seal the joint, and a final fabricated cap adhered to the cladding.

Abstract: A highly reliable indoor unit of an air-conditioning apparatus prevents condensation water from dripping from an end portion of an up-down airflow direction louver on the downstream side of an airflow. There are provided a casing having an air inlet and an air outlet and including a heat exchanger and an air-sending fan inside the casing; and an up-down airflow direction louver that is disposed at the air outlet and controls the up-down direction of air from the air outlet. The airflow direction louver includes first and second plates joined together and a water absorber at an end portion of the airflow direction louver on the downstream side of the airflow that passes along the airflow direction louver. The water absorber is held between the first and second plates. A portion of the water absorber is exposed.

Abstract: Tubing structures are connected to each other to form a tubing assembly having one or more fluid pathways from a fluid entrance to a fluid exit. A heating device is bonded to the tubing structures along a length of the tubing assembly. The heating device has a flexibility to follow along one or more bends present along the length of the tubing assembly. The heating device includes one or more heater traces embedded within an encasing material. The encasing material is thermally conductive and electrically insulative. The one or more heater traces are formed of a material that generates heat in the presence of an electrical current. The heating device has a continuous and unbroken structure along the length of the tubing assembly. An encapsulation layer of thermal insulating material is disposed over the tubing assembly and covers the heating device.

Abstract: The invention provides for protection of life safety, property and the liability thereof, by means of a intrinsically safe unpressurized storage tank water heater while producing hot pressurized water. The design addresses, with effect, convection, radiation, conduction and evaporative heat energy losses. Heat lost returned as usable hot water resulting in ultra-low standing loss. The stationary water medium prevents sedimentation, fouling of the heating element and gases expelled. Being dielectrically isolated, the medium may also be treated to further reduce corrosion. The design allows for a quick recovery rate and provides adjustable volume of hot water, being stackable, stage able, renewable, repairable and recyclable.

Abstract: Apparatuses and methods for heating well fracturing fluid using natural gas supplied to a frac water heater are provided. In some embodiments, portable separators can be tied into an existing, on-site, natural gas source and supply the heating unit's burner system with the producer's own produced natural gas (for example, sweet fuel gas). By using on-site sweet fuel gas, liquefied petroleum gas (LPG) or diesel consumption and associated cartage costs can be reduced or eliminated. As such, the apparatuses and methods can also reduce the associated carbon footprint on the environment. In some embodiments, the apparatuses and methods can comprise a drying element to dry or condition the gas prior to use.

Abstract: Certain exemplary embodiments can provide a system, machine, device, and/or manufacture that is configured for operably releasing condensate from a furnace combustion gas containment system without allowing a substantial quantity of drain air to enter the condensate producing system from a drain or a substantial quantity of combustion gas to flow through the system, machine, device, and/or manufacture.

Abstract: A mechanical solar tracking and solar concentrating system having a Fresnel lens, moveable frame, track, retaining mechanism, and solar collector. The lens focuses solar energy at the collector; the frame holds the collector and lens, keeping them aligned as the frame rotates; and the track guides the frame to maintain a perpendicular orientation to the Sun. The solar collector receives the Sun's rays and the retaining mechanism releases, at established intervals, allowing the frame to rotate to the next location. The cycle repeats, tracking the Sun and concentrating its rays at a focal point, to generate temperatures at the focal point in excess of 500° C. These high temperatures can be exploited in several applications, such as producing drinking water from dirty water; cooking food; disinfecting medical instruments; accelerating fermentation of certain types of flora to produce electricity; generating work for generic purposes; etc.

Abstract: A thermoacoustic refrigerator includes at least one pair of pulse combustion tubes (10), preferably Rijke tubes, each tube (10) having a pair of spaced-apart Stirling engines (12), coupled together but with no separating membrane therebetween.

Abstract: A refrigeration cycle device includes a refrigeration cycle formed by connecting a compressor, a condenser, an expansion valve and an evaporator to each other. As a refrigerant in the refrigeration cycle, a working fluid containing 1,1,2-trifluoroethylene (R1123) and difluoromethane (R32) is used. A degree of opening of the expansion valve is controlled such that the refrigerant has two phases at a suction portion of the compressor.

Abstract: An adsorption core has (i) a heat medium tube in which a heat medium flows and (ii) an adsorption agent that adsorbs a fluid in a vapor phase outside of the heat medium tube when being cooled by the heat medium and desorbs the absorbed fluid when being heated. The heat medium tube has (i) a core member that is made of metal having a higher hardness with respect to copper and (ii) a covering layer that is made of copper and covers an outer surface of the core member. A sintered body of a copper powder and the adsorption agent is provided in a peripheral portion of the heat medium tube. The copper powder and the heat medium tube are metallically coupled with each other. Accordingly, stiffness of the heat medium tube can be higher while improving a heat transfer performance between the heat medium tube and the adsorption agent.

Abstract: A radiative cooling device including: a heat insulating container having an opening portion, and being configured to house an object to be cooled at an interior thereof and thermally insulates the object from an exterior thereof; a far-infrared radiator that is arranged between the object and the opening portion in the heat insulating container, that thermally contacts the object, and that radiates far-infrared rays in a wavelength range of from 8 ?m to 13 ?m; a far-infrared transmitting window member that closes at least part of the opening portion of the heat insulating container and that transmits the far-infrared rays radiated from the far-infrared radiator; and an intermediate heat insulating member that is arranged between the far-infrared transmitting window member and the far-infrared radiator, that thermally insulates the far-infrared transmitting window member and the far-infrared radiator from each other, and that transmits the far-infrared rays radiated from the far-infrared radiator.

Abstract: A heating, ventilation and air conditioning (HVAC) system includes a condenser (18) flowing a flow of refrigerant therethrough and to an output pipe (56) and a falling film evaporator (12) in flow communication with the condenser and having an evaporator input pipe (58) located vertically higher than the output pipe. A plurality of riser pipes (60) connect the output pipe to the evaporator input pipe. The flow of refrigerant flows through selected riser pipes of the plurality of riser pipes as required by a load on the HVAC system.

Abstract: There are provided a heat exchange apparatus and an air conditioner in which an occurrence of uneven refrigerant distribution of a heat exchanger is reduced such that heat exchange performance improves. The heat exchange apparatus includes: a heat-transfer pipe through which a refrigerant flows; a heat exchanger in which a plurality of the heat-transfer pipes are connected to one another; a distributor that distributes the refrigerant to the plurality of heat-transfer pipes; an inflow pipe that causes the refrigerant to flow into the distributor; and a confluent pipe which is connected to an intermediate position of the inflow pipe and in which the refrigerant flowing through an inside thereof is to merge with the refrigerant flowing through an inside of the inflow pipe. A merging part between the inflow pipe and the confluent pipe is positioned in the vicinity of the distributor.

Abstract: A water-guiding component assembly for a household cooling appliance contains a plurality of connection interfaces connecting to units not forming part of the component assembly and/or to components forming part of the component assembly. The component assembly contains an outer housing, in which the connection interfaces are comprised and housed.

Abstract: A temperature control method is performed by a temperature control apparatus including a heat exchanger configured to exchange heat using a phase change of a refrigerant, a rotary pump configured to receive the refrigerant from the heat exchanger and fuse the refrigerant with oil contained inside the rotary pump, and an oil refrigerant separator configured to receive the refrigerant fused with the oil from the rotary pump and separate the refrigerant from the oil. The temperature control method includes the steps of: circulating the refrigerant separated from the oil back to the heat exchanger; and adjusting at least one of a rotation speed of a rotor of the rotary pump, a position of a valve arranged at a connecting portion of the rotary pump and the heat exchanger, and a position of an airflow adjustment valve arranged at a connecting portion of the oil refrigerant separator and the heat exchanger.

Abstract: Method for controlling defrosting of the outer exchanger of a heat pump machine, comprising the steps of: defining in the outer air temperature/evaporation temperature plane three zones; acquiring the outer air temperature and the evaporation temperature; individuating in which zone of the Taria_ext/T_evap plane the point falls, identified by the two acquired temperature measures; inverting the machine functioning cycle when the point falls in an unsafe zone; reducing the rotation speed of the compressor of said heat pump machine when the point falls in an intermediate zone.

Abstract: The present invention discloses a refrigerator control method and system using a linear compressor. The control method comprises: monitoring an ambient temperature T of a refrigerator; comparing the ambient temperature T with a preset ambient temperature threshold T0; if T is greater than T0, controlling an output power of the linear compressor to be a preset first output power, and if T is smaller than or equal to T0, controlling the output power of the linear compressor to be a preset second output power, which is greater than the preset first output power. In the present invention, by increasing the stroke of the piston inside the linear compressor through controlling the output power of the linear compressor, the refrigerator can be guaranteed to work normally by avoiding protection of the linear compressor by the frequency converting board.

Abstract: A refrigerator appliance includes a cabinet which defines a fresh food storage chamber, a frozen food storage chamber, and a variable food storage chamber positioned between the fresh food storage chamber and the frozen food storage chamber. The refrigerator appliance includes a wall which at least partially defines the variable food storage chamber. The wall includes an outer surface facing an ambient environment around the refrigerator appliance and an inner surface positioned opposite the outer surface. The refrigerator appliance also includes insulation extending between the outer surface of the wall and the variable food storage chamber. The insulation includes a plurality of movable segments. The movable segments are movable between a first position and a second position. A thermal conductivity of the wall is greater when the movable segments are in the second position than when the movable segments are in the first position.

Abstract: A refrigerator appliance and methods of operation are provided herein. The refrigerator appliance may include a cabinet, a storage bin, a lid, an ozone passage, an air conduit, an air handler, and an ozone filter. The storage bin may include a plurality of walls defining a storage volume. The lid may be positioned on the storage bin to selectively cover the storage volume in a closed position. The ozone passage may be defined through at least one of the plurality of walls in fluid communication with the storage volume. The air conduit may be disposed in selective fluid communication with the ozone passage. The air handler may be disposed in fluid communication with the air conduit to direct ozone through the ozone passage. The ozone filter may be disposed in fluid communication with the air conduit to filter ozone passing from the storage volume through the air conduit.

Abstract: A refrigerator includes a body having a storage space. The body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case, a supporting portion provided to contact with the outside surface of the inner case and the inside surface of the outer case to maintain a spaced state of the vacuum space, and a dewing preventive unit adjacent to the supporting portion for preventing dewing from taking place at the outer case by suppressing surface temperature drop of the outer case caused by cold conducted from the inner case to the outer case through the supporting portion.

Abstract: A refrigerator is provided that includes a low energy refrigerator heat source. The refrigerator includes a heat source positioned at a source of latent heat. The heat source harvested heat from the source of latent heat and stores said heat in a fluid within that heat reservoir or heat exchanger. The warmed fluid is then supplied via a fluid pathway to an application requiring a heat output. Thus, the heat reservoir provides heat to the application without use of an energy-consuming device, which reduces the energy consumption of the refrigerator.

Abstract: A cooler access control system locks a cooler when occurrence of an event is detected that requires limiting access to the inside of the cooler. Examples of such events include the loss of power to the cooler for a predetermined period of time, the opening of the cooler door for longer than an allowed time, the loss of functionality of a temperature probe and others. In an embodiment, a service mode is supported wherein the door is left unlocked despite the occurrence of such an event, to allow a stocker or other personnel to leave the cooler door open while stocking the cooler with product.

Abstract: According to an aspect of the present invention, there is provided a refrigerator including a cabinet in which a storage compartment is formed; a refrigerator door for opening and closing the storage compartment; a door opening device having a push rod which may move from an initial position to a door opening position for opening the refrigerator door and a motor for providing power to the push rod; and a controller controlling the motor, wherein the controller controls the push rod to move to the door opening position while in close contact with the cabinet or the refrigerator door in order to open the refrigerator door, and controls voltage supply to the motor so that a time period when the push rod is moved to the door opening position is maintained for a certain time.

Abstract: A refrigerator includes a storage container configured to slide into and out of a storage compartment and a rail unit configured to guide movement of the storage container and a support member disposed in the storage compartment to support the rail unit and coupled to a bottom side of an inner case. Guide bars that guide movement of the storage containers are installed at lower ends of the storage container. Roller units are installed at the bottom surface of the storage compartment by using the foam insulation material blown into the space between the inner case and the outer case.

Abstract: A refrigerator includes a body, a storage compartment formed inside the body, a plurality of drawers provided inside the storage compartment, a door slidably provided to open and close the storage compartment and a selective drawing device configured to select a first drawer from among the plurality of drawers and to draw the first drawer together with the door. The desired drawer can be pulled out together with the door at the time of pulling out the door, so that the usability can be improved.

Abstract: A system includes a condensing unit, a valve, and a unit cooler. The condensing unit is configured to condense refrigerant. The valve is configured to control the flow of the refrigerant from the condensing unit to the unit cooler. The unit cooler is configured to operate in a refrigeration mode and a stir-cycle mode. The unit cooler is configured to operate at a first speed during the refrigeration mode and at a second speed for a first period of time and at a third speed for a second period of time during the stir-cycle mode. The second speed is slower than the first speed and the third speed is slower than the second speed. Electric power is supplied to the unit cooler throughout the refrigeration mode and the stir-cycle mode.

Abstract: A system and/or method is provided that manages delivery of power for a device and an additional device. The system can include a device that consumes power to refrigerate an item stored therein, wherein the device includes an eutectic plate and an additional device that consumes power. The system can further include a power source that is configured to deliver power and a power manager component that is configured to monitor a temperature within the device. The power manager component can further be configured to activate the power source to deliver power to the device to reach a set temperature, switch the delivery of power from the device to the additional device based on the set temperature being reached, and maintain the set temperature in the device by switching delivery of power from the additional device to the device based on monitoring the temperature.

Abstract: A system for monitoring goods within a distribution chain is provided. The system includes a storage device to store parameters associated with the goods of a distribution chain, at least one of the parameters being received from a transport refrigeration system. The storage device storing historical parameters for other goods. Also included is a parameter management system coupled to the storage device. The parameter management system including: a predictive module to determine predicted parameters; and a meshing module to determine output parameters by combining the predicted parameters and the parameters.

Abstract: A cooling appliance includes a main body, a first door and a second door connected to the main body, and a user interface unit. The first door has a front surface and an inner side portion facing a side surface of the second door. The first door includes an inclined side portion located between the front surface and the inner side portion of the first door. The user interface unit is disposed at the inclined side portion. A user interface unit for a cooling appliance is also provided.

Abstract: An air separation plant for obtaining product containing argon by low temperature separation of compressed, cooled feed air. The air separation plant comprises a high-pressure column, a multi-part low-pressure column having a base segment and a head segment and a multi-part crude argon column having a base segment and a head segment. An oxygen-enriched flow is obtained from part of the feed air in the high pressure column, an argon-enriched flow is obtained from part of the oxygen-enriched flow in the low-pressure column, and an argon-rich flow is obtained from part of the argon-enriched flow in the crude argon column. Liquid flow is transferred from a lower region of the head segment of the low-pressure column and from a lower region of the base segment of the crude argon column into an upper region of the base segment of the low-pressure column.

Abstract: A liquid air energy storage system comprises an air liquefier, a storage facility for storing the liquefied air, and a power recovery unit coupled to the storage facility. The air liquefier comprises an air input, an adsorption air purification unit for purifying the input air, and a cold box for liquefying the purified air. The power recovery unit comprises a pump for pressurising the liquefied air from the liquid air storage facility, an evaporator for transforming the high-pressure liquefied air into high-pressure gaseous air, an expansion turbine capable of being driven by the high-pressure gaseous air, a generator for generating electricity from the expansion turbine, and an exhaust for exhausting low-pressure gaseous air from the expansion turbine. The exhaust is coupled to the adsorption air purification unit such that at least a portion of the exhausted low-pressure gaseous air is usable to regenerate the adsorption air purification unit.

Abstract: There is provided a washstand which may include a washing device that includes a bowl, a water-supply assembly that supplies water to the bowl, and a water-discharge assembly that drains water from the bowl, an inner cabinet provided below the bowl and having an inner space, a dryer configured to draw air through an air-intake hole opened toward a floor and to discharge air into the inner space of the inner cabinet, a utensil drying functional-module provided in the inner space of the inner cabinet and configured to dry utensils using air discharged from the dryer; and an outer cabinet covering an outer side of the inner cabinet. An external connection path may be defined between the inner cabinet and the outer cabinet, wherein the external connection path guides air discharged from the utensil drying functional-module toward the floor.

Abstract: A device for drying grain includes a housing having an inlet port and an outlet port, a first passageway, a second passageway, a grain flow housing, a filter across the grain flow housing, a recovery column, an air supply, a recycle column, a filter cleaner in the recovery column, and a conveyor for moving the filter cleaner along the filter. The air supply pulls an air flow into the housing through the inlet port as a grain flow pours through the grain flow housing. The air flow passes through the grain flow in a first pass air flow from the passageways to dry the grain. The first pass air flow passes through the filter to remove particles, and a portion of that filtered first pass air flow is recycled back with the filter cleaner to dislodge particles clogging the filter. The other portion is vented through the outlet port.

Abstract: Systems and methods for drying system control. A control system receives inputs and measurements and provides modulated outputs to a drying system, control subsystems, or a user interface. An energy ratio compares the optimal energy required to the actual energy applied is into the control system for a drying process and can be provided as a constraint for optimization. The energy ratio enables compensation for effects that environmental variables such as ambient humidity and temperature may have on system performance. The control system can modulate the energy supplied by the drying system to meet an energy ratio setpoint. Embodiments of the present disclosure can validate the effectiveness of the control system by monitoring material yield and utility consumption in real-time to optimize system performance.

Abstract: A high temperature vacuum furnace including a prefabricated tongue-and-groove, low-mass insulation ring assembly hot zone, resulting in decreased energy costs and increased energy efficiency, faster heating and cooling cycles, and expedited maintenance capability resulting in lower maintenance costs. Decreased time of a workpiece in the furnace improves production turnaround and lowers energy costs for each heat treating cycle. Furnace manufacturing is also easier and less expensive compared to prior art vacuum furnaces. A bottom support structure replaces the prior art metal support ring resulting in an approximately 80-85% weight saving in the furnace hot zone. This reduces the time and energy required to heat and cool the furnace components and workpiece.

Abstract: A skim tool and method for removing impurities from molten alloys in furnaces generally includes a collection portion and an arm. The collection portion has an interior and a blade member having a plurality of apertures configured to capture impurities during application and direct the impurities into the interior. The skim tool further includes a conduit having a first end with an inlet and a second end having a plurality of fingers that extend in various directions along the front side of the blade member. Each of the fingers define an outlet end that are in fluid communication with the inlet. The inlet for receiving a source of nitrogen to be blown through the conduit into the molten metal in the form of a gas.

Abstract: A solidifying device is for solidifying a substrate which includes a middle and two side portions. The thermostability of the middle portion is greater than that of the side portions. The solidifying device includes a housing, a heating member, a temperature control air-floating member and a conveyor. The housing defines a working space. The heating member is in the working space. The substrate has a heat receiving surface facing the heating member. The temperature control air-floating member is in the working space and below the heating member. The conveyor is for transporting the substrate into the working space and between the temperature control air-floating member and the heating member. The heating member is for providing heat to the substrate. The temperature control air-floating member is for supplying air towards the substrate to allow the substrate to float in the working space and form a high-temperature and two low-temperature areas.

Abstract: A control system for a vacuum arc remelting (VAR) process for a metal includes a direct current (DC) power source, a ram drive, voltage drip short sensor, and a controller, which includes a processor. The drip short sensor may be configured to measure a drip short frequency of the electric arc over a period of time. The controller is configured to determine a real time arc gap length between the electrode tip and the melt pool based on a correlation between the drip short frequency and arc gap length. The controller is further configured to control power input to the electrode by the DC power supply by determining an input power level to input to the electrode based on the real time arc gap length, the input power level configured to generate a desired arc gap length, by the DC power supply, at the input power level.

Abstract: An oven can include an oven body having a peripheral wall at least partially defining a cooking cavity with a top wall comprising spaced interior panels and exterior panels defining a channel therebetween. Furthermore, the oven can include insulation located in the channel and an imaging device with a field of view including at least a portion of the cooking cavity.

Abstract: The present application relates to a heat recovery apparatus and method, and according to the heat recovery apparatus and method of the present application. The heat recovery apparatus comprising a first heat exchange, a compression device, a second heat exchange device and at least two pressure drop devices, which are fluidically connected through pipes in which at least two refrigerants flow.

Abstract: A nested dish-plate heat exchanger is disclosed wherein the heat exchanger core is comprised of a plurality of first and second heat exchanger plates arranged in alternating stacked relationship. The first and second heat exchanger plates each have a pair of openings formed in the base portion of the plates and a pair of upwardly protruding boss portions and a pair of downwardly protruding bosses each having a corresponding opening formed therein. The first and second heat exchanger plates are arranged in an alternating stacked relationship wherein each subsequent first or second heat exchanger plate is rotation 180 degrees with respect to the previous first or second heat exchanger plate in the stack, the arrangement providing a plurality of first, second and third fluid flow passages therebetween such that each of the second and third fluid flow passages are in heat transfer relationship with the first fluid flow passages.

Abstract: A window assembly heat transfer system is disclosed in which a window member has a selected transparency to monitored or sensed light wavelengths. One or more passages are provided in the window member for flowing a single-phase or two-phase heat transfer fluid, the passages being optically non-transparent to the monitored or sensed light wavelengths. A mechanism allows either evaporation or condensation of the fluid and/or balancing of a flow of the fluid within the passages. In one embodiment, the window assembly can be made by producing passages in a top surface of a first single plate, optionally producing passages in a bottom surface of a second single plate and bonding the top surface of the first plate to a bottom surface of a second single plate to form the window member with the passage or passages. In another embodiment, the window assembly can be made by providing a core around which the window member material is grown and thereafter removing the core to produce the passage or passages.

Abstract: A vapor chamber water-filling section sealing structure. The vapor chamber water-filling section sealing structure includes a main body and a capillary structure. The main body has a first plate body and a second plate body, which are correspondingly mated with each other to together define an airtight chamber and a water-filling section. A flange is disposed along an outer periphery of the main body. The water-filling section has a water-filling notch and a water-filling passage. Two ends of the water-filling passage are respectively connected with the flange and the water-filling notch to communicate with the airtight chamber. A portion of the water-filling passage that is connected with the flange is pressed to have a height equal to the height of the flange or lower than the height of the flange. The capillary structure is disposed in the airtight chamber of the main body.

Abstract: A heat pipe that includes a pipe casing, a porous wick, and sealing members. Both end portions of the pipe casing are sealed by the sealing members, respectively. The sealing members each comprise a first metal foil and an intermetallic compound phase. The inside of the pipe casing is filled with a working fluid. The porous wick generates capillarity for the working fluid by a plurality of pores. The porous wick is provided inside the pipe casing. As a result, the pipe casing and the porous wick form a cavity extending in a longitudinal direction of the pipe casing. The porous wick comprises first metal grains, second metal grains, and an intermetallic compound phase.

Abstract: A high temperature thermal energy storage includes a foundation comprising thermal insulation, at least one self-supported cassette arranged on the foundation. At least one cassette is a self-supporting frame or assembled structure with respect to transport and installation, containing a number of concrete thermal energy storage elements, some or all of the elements include heat exchangers embedded in the concrete of the elements. A pipe system includes an inlet and an outlet for thermal input to and output from the storage, respectively. The pipe system is fluidly coupled to the heat exchangers for circulating fluid through the heat exchangers for thermal energy input to or output from the elements and thermal insulation around and on top of the at least one self-supported cassette containing concrete thermal energy storage elements.

Abstract: The utility model discloses a novel phase change heat storage device, comprising a housing, wherein the housing is internally provided with a lining; an insulating layer is disposed between the lining and the housing; the lining is internally filled in with a phase change material; a coiled pipe is embedded in the phase change material; the inlet and outlet of the coiled pipe both extend out of the lining and are respectively welded with and communicate with a main water inflow pipe and a main water outflow pipe, so all welds between the coiled pipe and the main water inflow pipe and main water outflow pipe are positioned outside the lining and are not soaked by the phase change material. The lining is provided with at least one partition board; the partition board divides the inner space of the lining into independent spaces such that the phase change material is respectively positioned in the independent spaces divided by the partition board.

Abstract: An embodiment relates to a heat transfer device including a heat generating device configured to generate heat having predetermined intensity by a user, a cover in contact with a body of the user while covering the heat generating device, and a heat transfer medium provided between the heat generating device and the cover to transfer the heat generated by the heat generating device, wherein the heat transfer medium is a structure that is formed by entangling a single wire having a predetermined length and has a predetermined width and a predetermined height, and is a structure that is compressed in an axial direction when being in contact with the body of the user and thus has a Poisson's ratio of 0.5 or higher. Thus, a structural change in the heat generating device is not required and only a material in contact with the heat generating device is changed, so that generated heat may more rapidly reach the body of the user.

Abstract: A heat exchanger including a mixing and redistribution header (20) at one end of the heat exchanger; multiple heat exchange tubes (30) in communication with the mixing and redistribution header (20). An upper cavity (21) and a lower cavity (22) in communication with each other are disposed in the mixing and redistribution header (20); a fluid entering the heat exchanger first of all flows into a part of the lower cavity (22) of the mixing and redistribution header (20), then is collected and mixed in the upper cavity (21) of the mixing and redistribution header (20), and is distributed into another part of the lower cavity (22) and flows out through a heat exchange tube (30) in communication with the lower cavity, a cross-sectional area of the upper cavity (21) being equal to or greater than a cross-sectional area of the lower cavity (22).

Abstract: The present invention provides an antifouling coating formed from a water-based coating composition comprising 0.1% by mass to 10% by mass of ultrafine silica particles having an average particle size equal to or less than 25 nm, 5% by mass to 50% by mass, relative to the ultrafine silica particles, of a zirconium compound which is at least one selected from zirconium chloride and zirconyl chloride, and 30% by mass to 99.5% by mass of water. In accordance with the present invention, it is possible to provide an antifouling coating that can maintain the antifouling performance and hydrophilicity and prevent corrosion of fins even under an environment with a large amount of contaminating substances, such as metal particles, in the air.

Abstract: A thermally conductive sheet is obtained by stacking a carbon fiber oriented thermally conductive layer and an electrically insulating thermally conductive layer, the carbon fiber oriented thermally conductive layer containing a carbon fiber powder, which has a fiber axis oriented in a sheet thickness direction and is contained in a polymer matrix, the electrically insulating thermally conductive layer having a heat conducting property and an electrical insulation property and containing an electrically insulating thermally conductive filler dispersed in a polymer matrix. This thermally conductive sheet has both a high heat conducting property and an electrical insulating property, is easy to be fixed to an object to be attached, and has excellent handleability.