Abstract: Combustor top hat covers are attached to midframe combustor portals with a lugged backing plate that interlocks with mating recesses formed in the corresponding midframe combustor portal. Exemplary embodiments utilize twist lock engagement of backing plate ring lugs under projecting tabs formed over a lug raceway recess in the combustor portal mating surface. The top hat cover is in turn fastened to the combustor portal by fasteners that engage corresponding threaded apertures formed in the backing plate.

Abstract: A gas burner unit for a cooktop having a spreader positioned above the top surface of the cooktop. The spreader has a plurality of gas outlets. A venturi is in fluid communication with the gas outlets. An orifice holder secures a gas orifice in position in a main body of the orifice holder and has a plurality of protrusions extending upwardly and defining a plurality of upwardly directed primary air inlets. The plurality of primary air inlets are in fluid communication with the main body of the orifice holder, and the main body is in fluid communication with the venturi. A general primary air inlet allows ambient air from outside the cooktop to enter the area below the cooktop, and the main body of the orifice holder includes openings allowing fluid communication between the area below the cooktop and the main body of the orifice holder.

Abstract: A manifold assembly having a plurality of controls for a domestic kitchen appliance is provided. The assembly includes a structural frame; an esthetic skin fixed to the structural frame; at least one clamp; and a control panel including the plurality of controls, the control panel being replacably removably clamped to the structural frame by the at least one clamp. The structural frame provides structural support for the skin and the control panel, and the structural frame includes control panel locating features that locate the control panel relative to the skin.

Abstract: A device for preparing a thermoplastic material, with dry heat, for use in patient fixation. The device generates circulated heat to a threshold temperature. Once the thermoplastic material has become pliable, it is molded into a cast for fixation purposes. The circulated heat may be generated by a device having a housing and a support member movably attached to the housing. The device also includes a heating element and an array of circulation elements.

Abstract: A cooking oven controlled by an included retail-grade control device having a capacitive glass touchscreen and running a specialized cooking and controlling app, such as an Android tablet. A cooling system for the oven provides a reverse air flow cooling system that pulls air in from the top front of the oven rather than pushing it out. A single cooling fan provides adequate cooling to the control device, as well as providing cooling to a front door of the oven and also convective flow through the heating chamber. The control device is mounted in an upper control bezel which has a series of lateral air intake openings on a rear wall. The cooling fan actively cools the control device by pulling air into the intake openings and through a lower exhaust opening.

Abstract: A cooking appliance is disclosed, comprising a wall-mounted cooking chamber, i.e. oven, with a bottom-opening door and separate countertop control panel, which facilitates use by individuals with disabilities, injuries or limited mobility, such as wheelchair users. The oven is wall-mounted, at a convenient distance, above a kitchen countertop, leaving a useful area of countertop underneath. Advantageously, it includes a low profile motor driven lift mechanism, housed against the wall beneath the oven and comprising guide rails for lowering the door to counter level and raising it to the closed, cooking position. The door provides a platform for items to be cooked. When lowered to counter level, a user can slide dishes between the platform and the adjacent countertop, without need for lifting as in a conventional stove or wall-mounted oven. An easy to reach, counter-level control unit enables the user to control oven functions including raising/lowering the door.

Abstract: An insulation system for a thermal oven. The insulation system comprises a cabinet and a liner positioned within the cabinet. The liner defines an oven cavity. The liner includes opposing sides, a top, a bottom, a front and a back. A layer of insulation is positioned between the cabinet and the outside of the opposing sides, top, bottom and back of the liner. The layer of insulation is positioned to create an air gap between the insulation and the opposing sides, top, bottom and back of the liner. The insulation has a thermal energy reflective facing attached to an interior surface facing the liner.

Abstract: A method for controlling a parallel operation of a multi-water heater in which a plurality of water heaters are connected to each other in parallel, according to the present invention, comprises: measuring the temperature of direct water that flows into the multi-water heater; sensing a set temperature set by a user; calculating a temperature difference between the set temperature and the direct water temperature; and changing a reference value to additionally operate or stop each water heater according to the calculated temperature difference, thereby efficiently operate the multi-water heater even though the circumstance and conditions of use are changed.

Abstract: Methods and compositions for controlling and monitoring residential and commercial pumping systems. Preferably, the controlling and monitoring functions include a remotely located controller component capable of displaying alerts and/or from which a user may input commands regulating the functioning of the plumbing system. In particularly preferred examples, the plumbing system is an “on command” hot water system in which hot water availability, use and energy efficiencies and conservation are monitored and maximized.

Abstract: There has been a problem of dew condensation, during a cooling operation, on a wind vane or the like provided at an air outlet because the wind speed of blown air leaking from ends in longitudinal direction of the air outlet is low, causing the entanglement of room air. Walls that form an air outlet from which air that has exchanged heat in a heat exchanger is blown are provided. End portions of each of the walls in a longitudinal direction of the air outlet have respective recesses such that a passage of the air therein is made wider than in a central portion of the wall. In the longitudinal direction of the air outlet, the recesses each have a downstream-side width that is smaller than an upstream-side width.

Abstract: The rear side outer peripheral edge of a propeller fan rotated and driven by a motor, of a propeller fan drive unit, is surrounded by a bell mouth. An upper plate, a lower plate, a side plate, and a machine room plate constitute an air duct at the suction side, outside the radial direction of the propeller fan. The cross-section of the bell mouth, at a first position in the vicinity where a blade of the propeller fan is closest, and where the distance between the propeller fan and the plate constituting the air duct outside the radial direction is relatively narrow, is made to be such that an expansion angle ?1 of the bell mouth suction side is made small. The overlapped height Hb of the propeller fan and the bell mouth is made large against a cross-section at a second position where the distance between the propeller fan and a plate is relatively large. The shape of the cross-section of the bell mouth is made to change gradually between the first position and the second position.

Abstract: The present invention discloses a ventilating fan including a ventilating fan body located on the indoor side, an outdoor pipe hood located on the outdoor side, a ventilating fan mounting member located between the ventilating fan body and the outdoor pipe hood, and a panel removably mounted to the front of the ventilating fan body, the ventilating fan mounting member includes a cylinder and a flange, the outdoor pipe hood includes a pipe hood base and a back cover, the pipe hood base includes a base plate with a circular opening and a pipeline fixing ring removably mounted to the base plate; and, a hollow expansion pipe being connected to the cylinder of the ventilating fan mounting member at one end and connected to the pipeline fixing ring at the other end. The present invention has advantages of easy mounting of the expansion pipe.

Abstract: A management apparatus for an air-conditioning system is obtained which can divide a layout drawing into regions for each monitored space and establish correspondence between each equipment device arranged in individual regions and its block identification information. On the basis of positional information and block information, block information for a region corresponding to an installation position is assigned to each equipment device and a plurality of equipment devices are divided for each piece of the block information to perform at least one of monitoring of status and control of an operation.

Abstract: A HVAC unit manufacturing method and a HVAC system are disclosed herein. In one embodiment, the HVAC system includes: a controller having control board terminals, a parallel wiring harness having a first and a second connection header, the first connection header coupled to the control board terminals, and a switch having terminals. The terminals of the switch including: a pair of functional terminals configured to indicate a status of the switch and a pair of jumpered terminals independent of the pair of functional terminals and internally connected together within the switch, wherein designated combinations of the terminals indicate a circuit configuration for employing the switch in the HVAC system with each of the terminals having a particular design that dictates a specific corresponding connection header be used for each of the designated combinations, wherein a single one of the designated combinations of the terminals corresponds to the second connection header.

Abstract: Described is a decorative air conduit for use with a heating, ventilation, and air conditioning (HVAC) system. The air conduit is an elongated tube having a hollow interior volume through which air can flow. The air conduit preferably has a right triangular cross section such that it can be positioned at or near the intersection of a wall and a ceiling within a room. The air conduit includes apertures spaced at a fixed interval thereon that allow for air to escape the conduit. The apertures can be on an upper surface of the conduit or can be on an outer surface thereof. A decorative molding can be positioned on the outer surface of the conduit and may include apertures thereon. The decorative molding can include various ornamental embellishments, and the decorative molding conceals the air conduit while providing an aesthetically pleasing outward appearance.

Abstract: An air diffuser comprising at least one discharge that is hand manipulable to vary at least two of the airflow rate, the airflow pattern and the airflow direction, wherein the airflow pattern produced by the discharge element may be at least one of a substantially perpendicular axial swirl pattern relative to the discharge element surface or a substantially inclined swirl pattern relative to the perpendicular axis of the discharge element surface.

Abstract: An air vent is provided having a housing, an air inlet opening located in the axial direction with respect to the housing and an air discharge opening opposite the air inlet opening, an air-conveying element located in the housing having a first air-conveying surface and a second air-conveying surface, which is opposite the first air-conveying surface, wherein a first air channel is formed by the housing and the first air-conveying surface and a second air channel is formed by the housing and the second air-conveying surface, wherein the first air channel is configured to transport to the air discharge opening a first volume flow of air that can flow into the housing through the air inlet opening, wherein the second air channel is configured to transport to the air discharge opening a second volume flow of air that can flow into the housing through the air inlet opening, and a first wing, wherein the first wing is arranged movably on the end of the air-conveying element facing the air inlet opening, wherein t

Abstract: A fan assembly for creating an air current includes an air outlet mounted on a stand. The stand includes a base and a body tiltable relative to the base. Each of the base and the body has an outer surface shaped so that adjoining portions of the outer surfaces are substantially flush when the body is in the untilted position.

Abstract: An air distribution blower housing for an air handler such as a residential furnace is designed with a volute-shaped outer wall that has an exponentially increasing expansion angle in the direction of air flow through the blower housing for at least a portion of the volute-shaped outer wall length. This results in the blower housing having an enlarged air outlet opening that slows down and spreads out the air flow from the blower housing over a greater area of the furnace heat exchanger. The blower housing thereby enables less air pressure drop through the heat exchanger, which increases the efficiency of the blower motor operation. The design of the blower housing also efficiently turns the velocity head of the air flow through the housing to usable static air pressure at the housing air outlet.

Abstract: A water heater of a latent heat recovery type includes: a combustion apparatus including a burner having a plurality of burner port portions and generating combustion gas from openings at ends of the plurality of burner port portions; a heat exchanger heating water that flows through inside by heat exchange with combustion gas generated in the combustion apparatus; and a fan suctioning the combustion gas that has passed through the heat exchanger and emitting combustion gas to outside of the water heater. The fan includes a fan case, an impeller housed within the fan case, and a drive source connected to the impeller. At least a part of an upper surface of a bottom wall of the fan case is inclined with respect to a reference plane including the openings of the plurality of burner port portions.

Abstract: A unit for harnessing solar power for heating water at high pressure, in which the circuit is exposed to freezing, comprising: a heat exchanger made as a single piece for a hydraulic circuit, made up of parallel polymer pipes (1) connected at one end thereof to a main branch-off pipe (2, 3) and, at the other end thereof, to a main collector pipe (2, 3); a sealed box (4) for a whole number of units connected in series, having a profile of regular section (5), reinforced by brackets that can be inserted in corners, with a translucent face (6), the other face having an insulated cover (7); the profile having a geometry suitable for connecting the box to a support structure; the profile having a geometry suitable for holding the insulating material (8) and the rubber seals on the inner part of the translucent face (9); the profile being such that complementary profiles (10) may be assembled thereon, by snap-fitting, and the complementary profiles have a housing for rubber seals (11) on the outer part of the trans

Abstract: The application relates to a method (100) for producing a direct flow aluminium absorber of a solar thermal collector, the absorber including an absorber plate having at least one tube for a heat transport fluid, and at least one end tube for a heat transport fluid, the at least one end tube being connected to the absorber plate. The method comprises laser welding (130) the at least one end tube to the absorber plate for producing the complete absorber to be coated by at least one layer configured to absorb light.

Abstract: A refrigeration system includes: a compressor arrangement for compressing gaseous refrigerant from a first pressure to a second pressure, wherein the second pressure comprises a condensing pressure; a plurality of condenser evaporator systems, wherein each condenser evaporator system comprises: (1) a condenser for receiving gaseous refrigerant at a condensing pressure and condensing the refrigerant to a liquid refrigerant; (2) a controlled pressure receiver for holding the liquid refrigerant from the condenser; and (3) an evaporator for evaporating liquid refrigerant from the controlled pressure receiver to form gaseous refrigerant; a first gaseous refrigerant feed line for feeding the gaseous refrigerant at the second pressure from the compressor arrangement to the plurality of condenser evaporator systems; and a second gaseous refrigerant feed line for feeding gaseous refrigerant from the plurality of condenser evaporator systems to the compressor arrangement.

Abstract: A multi-type air conditioner includes an outdoor unit disposed at an exterior space, a plurality of indoor units disposed at interior spaces, and a mode conversion unit connected to the outdoor unit and the plurality of indoor units through refrigerant pipes to circulate a refrigerant between the outdoor unit and the plurality of indoor units. The mode conversion unit includes a plurality of subcooling units which are configured to subcool a refrigerant before the refrigerant is introduced to the plurality of indoor units, using a subcooling refrigerant pipe which sequentially passes through at least one of the plurality of subcooling units, so that a refrigerant after having passed through the subcooling unit, is in a state of pure gas while ensuring a desired subcooling degree that is suitable for each indoor unit.

Abstract: Cooling apparatus including a thermoelectric device (1618) either forming at least part of at least one body (1614, 1616) to be cooled, or being positioned adjacent, in use, at least one body to be cooled, wherein the at least one body contains coolant.

Abstract: An air-conditioning apparatus includes a refrigerant circuit including a compressor, a first refrigerant flow switching device, a plurality of intermediate heat exchangers, a first expansion device, and a heat-source-side heat exchanger, through all of which a refrigerant circulates and all of which in combination form a refrigeration cycle; and a heat medium circuit including the plurality of intermediate heat exchangers, a pump, and a plurality of use-side heat exchangers, through all of which a heat medium circulates. The air-conditioning apparatus further includes a heat medium energy storage that is connected to the heat medium circuit and stores the heat medium; and an intra-storage heat exchanger that is connected to the refrigerant circuit and heats or cools the heat medium in the heat medium energy storage by using the heat-source-side refrigerant supplied thereto.

Abstract: A Motor Cycle personal cooling system is disclosed that utilizes waste heat employing solid adsorption. The system includes an air distribution module and one or more desiccant chambers encircling the exhaust pipes of the Motor Cycle. Air blowers blow ambient air across the heat exchanger, cooling the air, transferring heat to the heat exchanger, transferring heat to the water, causing it to boil, and turning the water into vapor which is then adsorbed by the desiccant. A heat source is then applied to the desiccant which releases the vapor that travels to one of the heat exchangers and condenses the vapor back into water. A cooling garment worn by the rider of the Motor Cycle has a cool air input and an exhaust output. The cool air input of the cooling garment receives cooled air from the air blowers, and body heat exits out the exhaust output.

Abstract: Generally, apparatuses, systems, and methods are described that are directed to accessing liquid refrigerant from an evaporator to source a refrigerant pump and pump line to cool and lubricate such moving parts that may be part of the compressor, for example the compressor motor and the compressor bearings, and/or for cooling drives such as an adjustable or variable frequency drive.

Abstract: A heat exchanger includes a shell, a refrigerant distribution assembly and a heat transferring unit. The refrigerant distribution assembly includes a first tray part and second tray parts. The first tray part continuously extends generally parallel to the longitudinal center axis of the shell to receive a refrigerant that enters the shell. The second tray parts are disposed below the first tray part to receive the refrigerant discharged from first discharge apertures such that the refrigerant accumulated in the second tray parts does not communicate between the second tray parts. The second tray parts are aligned along a direction generally parallel to the longitudinal center axis of the shell. The heat transferring unit is disposed below the second tray parts so that the refrigerant discharged from second discharge apertures of the second tray parts is supplied to the heat transferring unit.

Abstract: An electronic expansion valve includes a valve body, a valve seat, and a stepping motor. A valve portion is formed at a forward end of the valve body. The valve seat forms a variable throttle portion between the valve portion and the valve seat by allowing the valve body to move in an axial direction. The stepping motor moves the valve portion in accordance with a pulse number. At least one part of a side surface of the valve portion is shaped so that an opening degree ratio becomes constant.

Abstract: COP deteriorates when a dehumidification operation is executed. In an air conditioner of the present invention, an indoor heat exchanger includes an auxiliary heat exchanger 20 and a main heat exchanger 21 provided leeward from the auxiliary heat exchanger 20. When the air conditioner is driven in a predetermined dehumidification operation mode, a liquid refrigerant supplied to the auxiliary heat exchanger 20 fully evaporates midway in the auxiliary heat exchanger 20. For this reason, only an upstream part of the auxiliary heat exchanger functions as an evaporation region, and an area downstream of the evaporation region of the auxiliary heat exchanger 20 is a superheat region. When the load is high at the selection of a dehumidification operation to start driving, a cooling operation is started and then switching to the dehumidification operation is executed in accordance with the decrease in the load.

Abstract: The heat exchangerless membrane system optimizes heat transfer between a set of two immiscible fluids such that the second of the two immiscible fluids having an additive, notably an additive that makes the second fluid corrosive, is infrequently in contact any heat exchangers that would make the heat exchanger subject to corrosion. This membrane system is capable of separating the two immiscible fluids downstream of the heat transfer process, such that heat transfer can repeat the cycle again in an energy efficient manner.

Abstract: A refrigerator, a sealed refrigerant system, and method are provided where the refrigerator includes at least a refrigerated compartment and a sealed refrigerant system including an evaporator, a compressor, a condenser, a controller, an evaporator fan, and a condenser fan. The method includes monitoring a frequency of the compressor, and identifying a fault condition in the at least one component of the refrigerant sealed system in response to the compressor frequency. The method may further comprise calculating a compressor frequency rate based upon the rate of change of the compressor frequency, wherein a fault in the condenser fan is identified if the compressor frequency rate is positive and exceeds a condenser fan fault threshold rate, and wherein a fault in the evaporator fan is identified if the compressor frequency rate is negative and exceeds an evaporator fan fault threshold rate.

Abstract: An ice maker is provided that includes a tray having recesses that can include ice-phobic surfaces. The ice-phobic surfaces may include ice-phobic coatings, textured metal surfaces, hydrophobic coatings or other surfaces configured to repel water and ice. The tray can be formed from metal material and may exhibit a fatigue limit greater than about 150 Megapascals (MPa) at 105 cycles. The ice maker further includes a frame body coupled to the tray, and a driving body that is rotatably coupled to the tray. The driving body is further adapted to rotate the tray in a clockwise and/or counter-clockwise cycle such that the tray presses against the frame body in a manner that flexes the tray to dislodge ice pieces formed in the recesses of the tray.

Abstract: The present disclosure, in one embodiment, relates to a defrosting apparatus comprising a manifold, wherein the manifold is adapted to expel a liquid onto an evaporator component. The apparatus further comprising one or more cold liquid pipes adapted to deliver the liquid to a container, the container comprising a mechanism for heating the liquid. And the apparatus also comprising one or more heated liquid pipes adapted to deliver the liquid from the container to the manifold. The present disclosure includes a computer with tactile monitor, machine vision, video cameras for inspecting, reporting and acting to defrost the freezer evaporator(s), and WiFi capabilities. Freezer access and inventory tracking is controlled by a second camera built onto the outward facing tactile monitor. Facial, pattern, and voice recognition is built into this device to provide reliable security and inventory control.

Abstract: A door module assembly for a refrigerator door of a refrigerator appliance may generally include a mounting bracket configured to be removably coupled to the refrigerator door to allow the mounting bracket to be moveable between a plurality of mounting locations defined along a height of the refrigerator door. The door module assembly may also include a door tray movable relative to the mounting bracket and at least one translation device configured in operative association with adjacent walls of the door tray and the mounting bracket. The translation device may be configured such that the door tray is movable relative to the mounting bracket in a horizontal direction between a retracted position and an extended position. Moreover, an open tray volume defined by the door tray may be accessible when the door tray is in both the retracted position and the extended position.

Abstract: A refrigerator may include guide members mounted to a storage chamber, with each guide member including a vertical guide hole and a vertical guide groove. A shelf may be mounted to the guide members, to be vertically movable, and switch members mounted to the shelf, to be movable forwards and rearwards. Each switch member may include a body, and a protrusion protruding from the body, to be guided along the guide groove of the corresponding guide member. A rotating shaft may be mounted beneath the shelf, to be guided along the guide holes. Pinions may be provided at the rotating shaft. Rack gears may be vertically mounted to the guide members, to be coupled to the pinions. A connecting device may transmit a force to vertically move a front half portion of the shelf to a rear half portion of the shelf such that the shelf is vertically movable while being maintained in a horizontal state.

Abstract: A refrigerator having an insulated interior which is formed, at least in part, by a drawer with a bottom boundary wall, a front boundary wall, two lateral boundary walls and a rear boundary wall. Included at an upper portion of the drawer is an inner drawer, of which the height is smaller than the height of the drawer. According to the invention, the height of the rear boundary wall of the drawer is reduced at least to the extent where the inner drawer can have its base wall displaced, at least in part, beyond the rear boundary wall of the drawer.

Abstract: The invention relates to an apparatus for the distillation separation of a mixture containing, as the main components thereof, carbon dioxide and at least one other fluid selected from the group containing nitrogen, oxygen, argon, hydrogen, methane, carbon monoxide, said apparatus comprising a distillation column (8), a condenser (9), a reboiler (7, 11), means for conveying the mixture to be separated to the column or the condenser, means for conveying a head gas from the column to the condenser, and means for conveying a liquid condensed in the condenser into the head of the column. The condenser is formed by an exchanger with plates and blades made from brazed aluminum and having an exchange surface area per m3 of exchanger greater than 400 m2/m3, with ammonia being used as refrigerant.

Abstract: There is provided a method for recovering hydrocarbon compounds from a gaseous by-products generated in the Fisher-Tropsch synthesis reaction, the method comprising a pressurizing step in which the gaseous by-products are pressurized, a cooling step in which the pressurized gaseous by-products are pressurized to liquefy hydrocarbon compounds in the gaseous by-products, and a separating step in which the hydrocarbon compounds liquefied in the cooling step are separated from the remaining gaseous by-products.

Abstract: Apparatus for providing energy to a process chamber are provided herein. In one embodiment, the apparatus include a supporting substrate, a first plurality of solid state light sources disposed on a first surface of the supporting substrate, and a second plurality of solid state light sources disposed on the top surface of the supporting substrate, wherein the first and second plurality of solid state light sources are aligned and electrically isolated from each other, and the first plurality of solid state light sources is in physical contact with the second plurality of solid state light sources.

Abstract: Methods and apparatuses for drying electronic devices are disclosed. Embodiments include methods and apparatuses that heat and decrease pressure within the electronic device. Some embodiments increase and decrease pressure while adding heat energy, such as by using a heated platen in contact with the electronic device or by supplying a gas (e.g., air), which may be heated, into the interior of the electronic device. Embodiments include heating the gas supplied into the interior of the electronic device with pump used to decrease pressure within the electronic device and/or a separate heater. Still other embodiments include controlling the temperature of the gas supplied into the electronic device. Still further embodiments automatically control, such as by using an electronic processor, some or all aspects of the drying of the electronic device.

Abstract: Provided are a fan for use in a kiln and a method of using a fan in a kiln. The fan is connected to a motor using a hollow shaft and universal joints. An expansion joint is used to allow the hollow shaft to contract and expand during use. The bearings are sealed against corrosion caused by an environment within the kiln.

Abstract: A system for changing the properties of materials in a pile including a power section, an air movement, and a downwell section installed into a well of the pile that includes a drill casing having one or more perforated casing sections, a pipe/hose having a perforated section aligned with the one or more perforated casing sections, and an isolation mechanism configured to seal the drill casing above and below the perforated section so as to isolate the flow of air through the perforated section. The system dries an impacted zone when air is pumped into the downwell section through the perforated section of the pipe/hose into the pile. The system removes moistures from the pile when air is pulled from the pile into the downwell section through the perforated section of the pipe/hose.

Abstract: A dryer vent stabilizing apparatus for use with a dryer appliance having a vent tube includes a base member having opposed front and rear edges and an upper surface on which to secure the dryer appliance. A first support member is operatively coupled to the rear edge of the base member, the first support member having opposed first support member ends and defining a lateral channel extending substantially between respective first support member ends. A vent engagement member is slidably coupled to the lateral channel of the first support member and selectively movable along the lateral channel between the respective first support member ends, the vent engagement member defining an aperture configured to receive the vent tube of the dryer appliance therethrough.

Abstract: A radiant convection oven for baking a coating on an article which includes an oven enclosure receiving coating articles, a fan receiving fresh air and directing the fresh air to a burner or burners, a plurality of heat radiators each having an internal chamber receiving heated fresh air from the burner. The radiators are located within the oven opposite a coating article, radiating heat energy to the coated article, and a plurality of nozzles connected to the internal chamber of the radiators directing fresh heated onto the article, transferring convection heat energy to the coated article. In the disclosed embodiment, the radiators include radiating side and bottom walls having a relatively shallow depth, increasing the flow rate through the radiators, reducing the size and cost of the radiators and the fan.

Abstract: A cooling grate, for cooling and transporting of cement clinker having at least one grate element with at least one support for cement clinker, having at least one cooling air channel discharging into the support which is inclined in conveying direction at least in a section adjacent to its outlet used to inject cooling air into the clinker has improved cooling characteristics if the cooling air channel is curved in conveying direction in at least a section adjacent to the outlet.

Abstract: A radial flow plate-fin heat exchanger includes a plurality of heat exchange units connected together to form an annular shaped core. The core has a plurality of first fluid passageways that are circumferentially spaced from one another and that extend generally axially from a first end of the core to a second end. Each of the first fluid passageways is defined at least in part by a plurality of fins that include graphite foam. The core also has a plurality of second fluid passageways that are circumferentially spaced from one another and that extend generally radially from the central fluid passageway through an exterior wall of the core. The second fluid passageways are separated from the first fluid passageways so that a first fluid that flows through the first fluid passageways does not mix with a second fluid that flows through the second fluid passageways.

Abstract: A heat exchanger comprising helically wound tube bundles is disclosed. The helically wound tube bundles are joined with tube sheets to define a primary working fluid system that is fluidically isolated from a secondary working fluid system. The tube sheets and tubes are formed of the same material, which facilitates their joining by means of joints that are substantially galvanic corrosion-resistant joints.

Abstract: A dual pipe and a heat exchanger comprises: an outer pipe formed separately from the inner pipe to house the inner pipe therein; and a connector coupled to the inner pipe and the outer pipe. The connector includes: an outer pipe connection portion for housing an end portion of the outer pipe therein; a fastening groove; a stopper; and a through hole. The inner pipe is housed at the inside of the outer pipe, and a coil portion is formed in a portion positioned at the inside of the outer pipe. A portion extended from the coil portion is extended from the inside to the outside of the connector through a through hole of the connector. An outermost portion of the coil portion line contacts with an inner circumferential surface of the outer pipe.