Abstract: An air conditioner according to the present invention includes: a remote controller that transmits an infrared signal containing operation instruction information; and an air-conditioner main body. The air-conditioner main body includes a black window, a light-receiving element, and a white window. The black window allows the infrared signal to pass therethrough and has transmittance equal to or greater than a first value in a first wavelength range that is an infrared wavelength range. The light-receiving element receives the infrared signal. The white window is disposed between the black window and the light-receiving element and has transmittance equal to or greater than a second value in the first wavelength range, the second value being smaller than the first value.

Abstract: Embodiments of the invention provide an illumination grille assembly comprising a frame and a ventilation grille coupled to the frame, and a plurality of light-emitting diodes coupled with the frame and at least partially covered with a light transparent cover. Some embodiments of the invention provide a lighting and ventilating system including a main housing including an inlet through which air can be received within the main housing and an outlet through which the air can exit the main housing. A blower assembly can be supported in the main housing and it can be operable to generate a flow of air. In some embodiments, an illumination grille assembly can be coupled to the main housing to allow fluid to flow through the illumination grill assembly to the main housing. In some embodiments, the set of illumination devices can be configured and arranged to emit light through the light transparent cover.

Abstract: An air-conditioning control device for controlling an air-conditioning apparatus configured to perform air conditioning of a room in which a device that changes an amount of water vapor is located. The air-conditioning control device includes a condensation occurrence determiner configured to determine whether condensation occurs in the room after a certain amount of time elapses by using an amount of change in water vapor, which is predicted by collating device operation data with a device operation table, and an air-conditioning controller configured to change an operation state of the air-conditioning apparatus when the condensation occurrence determiner determines that condensation occurs.

Abstract: An air-conditioning apparatus comprises an indoor unit including an indoor-side heat exchanger and an outdoor unit including a compressor, an outdoor-side heat exchanger and a flow switching device configured to switch a flow of refrigerant from the compressor to the indoor-side heat exchanger or the outdoor-side heat exchanger according to which of the heating operation and the defrosting operation is performed, the outdoor unit including a bypass connected to a heat transfer tube arranged at a lowermost stage of the outdoor-side heat exchanger and supplies the refrigerant from the compressor, and a drain pan arranged below the outdoor-side heat exchanger, the drain pan extending in a direction in which fins of the outdoor-side heat exchanger are stacked, and including a drain path inclined downward from one end to the other end in a longitudinal direction, and left and right side wall portions interposing the drain path therebetween.

Abstract: A totally aerated combustion burner has: a burner body which is supplied therein with air-fuel mixture; and a combustion plate part which covers an open surface of the burner body. The combustion plate part is constituted by: a burner frame in a shape of a picture frame; a metal-fiber knit which is disposed to cover, from a burner-body side, an opening enclosed by the burner frame; and a distribution plate which has formed therein a multiplicity of distribution holes and which sandwiches the metal-fiber knit between the burner frame and the distribution plate. Only the metal-fiber knit is spot-welded to that opening peripheral part of the burner frame which is positioned on a same surface as the opening. The distribution plate is spot-welded to that portion of the burner frame which is offset from the opening peripheral part toward the burner-body side.

Abstract: A heating unit for the heating of liquids in a motor vehicle has one or more PTC-heating elements between two heat-conducting plates then between a multi-part plastic housing. The two heat-conducting plates each have a base section against the one or more PTC-heating elements and each have an arm adjacent to the base section. An insulating element is arranged between the arms of the two heat-conducting plates, where the plastic housing has a first housing part and a second housing part. The first housing part has at least one pocket into which an arm of the heat-conducting plates and interposed insulating element is inserted. The first housing part and the second housing part together form a heating chamber adjacent to the at least one pocket, in which are arranged the base sections of the heat-conducting plates and the at least one PTC-heating element which is interposed between them.

Abstract: A heating system may include at least two different types of heating elements. The heating elements may include at least one infrared heating element and at least one halogen lamp. The heating elements may be positioned within a heating section of a duct through which air flows to be heated by the heating elements, which air flow may be driven by a fan. The heating system may be incorporated into a variety of heating devices, such as electric fireplaces and space heaters.

Abstract: Elliptical cylinder collector for thermal solar energy comprising a first pipe and a reflector surface, which also comprises a second pipe and a third pipe, wherein the reflector surface has a generatrix which is half an ellipse and wherein the second pipe and the third pipe are located at focal points of the ellipse and the first pipe is located on a minor axis of the ellipse at a greater distance from the reflector surface than the second pipe and the third pipe, the first pipe is also located at the focal point of an imaginary parabola whose vertex is located at the negative end of the minor axis of the ellipse.

Abstract: A system includes a first torque tube with a weld seam. A mounting rail includes a cutout portion with a weld seam alignment slot. The first torque tube is configured for placement in the cutout portion. The weld seam of the first torque tube is configured for placement within the weld seam alignment slot.

Abstract: Solar panel mounting assemblies having an arm support assembly for supporting a clamp assembly above an installation surface through a base and a base stud and configured to allow the clamp assembly to be adjusted in three dimensions while installing a solar panel module.

Abstract: The invention provides a process for removal of gaseous decomposition products from high temperature heat transfer fluid HTF of an operational solar thermal power plant having an HTF circuit, in which a volume increase of the HTF in the HTF circuit which is caused by incident solar radiation in an HTF-traversed solar field and consequent heating by day takes place regularly in a day-night cycle and the additional volume formed by the volume increase is collected from the HTF circuit in an expansion vessel, a portion of the additional volume of the HTF is transferred into a drainage vessel operated at relatively low pressure in which gaseous decomposition products and low-boiling constituents escape from the HTF, wherein the low-boiling constituents are condensed, and during the volume contraction of the HTF occurring during the night-time cooling a portion of the additional volume of the HTF is recycled from the drainage vessel into the expansion vessel and from the expansion vessel into the HTF circuit, w

Abstract: An air-conditioning apparatus includes a refrigerant circuit in which pipes sequentially connect a compressor, a flow switching device, a heat source side heat exchanger, an expansion device, a load side heat exchanger, and the flow switching device, and configured to perform a cooling operation and a heating operation switched by the flow switching device, an oil separator configured to separate refrigerating machine oil from refrigerant discharged from the compressor, a first bypass passage in which fluid flowing out of the oil separator flows, an auxiliary heat exchanger configured to cool the fluid, a first flow control device configured to control passing of the fluid, a second bypass passage in which liquid refrigerant or two-phase gas-liquid refrigerant flowing through one of the pipes connecting the heat source side heat exchanger and the expansion device flows, and a second flow control device configured to control passing of refrigerant.

Abstract: A refrigeration cycle device includes a first physical quantity detector that detects a first physical quantity having a correlation with a temperature of refrigerant flowing into an evaporator, a second physical quantity detector that detects a second physical quantity having a correlation with a temperature of ventilation air heat-exchanged in the evaporator to be blown into a space to be cooled, a defrosting operation determination portion that determines whether a defrosting operation of the evaporator is to be started based on whether a temperature difference between the temperature of the refrigerant specified by the first physical quantity and the temperature of the ventilation air specified by the second physical quantity is equal to or larger than a determination threshold value, and a defrosting operation execution portion that performs the defrosting operation of the evaporator when it is determined that defrosting operation of the evaporator is to be started.

Abstract: A two-stage cascade refrigeration system is provided having a first refrigeration stage and a second refrigeration stage. The first refrigeration stage defines a first fluid circuit for circulating a first refrigerant, and has a first compressor, a condenser, and a first expansion device. The second refrigeration stage defines a second fluid circuit for circulating a second refrigerant, with the second refrigeration stage having a second compressor that is a variable speed compressor, a second expansion device, and an evaporator. A heat exchanger is in fluid communication with the first and second fluid circuits to exchange heat between the first and second refrigerants. A controller stages operation of the first and second compressors and runs the second compressor at an initial speed less than a maximum speed initially when a staging protocol is performed during start up or re-starting of the refrigeration system.

Abstract: An air conditioner is provided, which is capable of accurately determining appropriateness of a refrigerant amount in a refrigerating cycle. A control apparatus is configured to: stop a cooling operation; set an expansion valve to a fully-closed state and, at the same time, switch the selector valve to change the direction, in which a refrigerant flows, to an opposite direction; operate a compressor to perform a refrigerant recovery operation, in which a refrigerant contained in an outdoor heat exchanger is recovered by an indoor heat exchanger; and determine the appropriateness of a refrigerant amount in a refrigerating cycle, based on at least one of a time required for recovering the refrigerant, a pressure change in a refrigerant suctioned by the compressor, and temperature of the refrigerant discharged from the compressor during the refrigerant recovery operation.

Abstract: A refrigeration cycle apparatus includes a heat exchanger, and a flow switching circuit configured to switch the heat exchanger to act as any one of an evaporator and a condenser, the flow switching circuit is configured to allow refrigerant to flow into the heat exchanger in the same direction both in a case where the heat exchanger acts as an evaporator and in a case where the heat exchanger acts as a condenser, the heat exchanger includes a path switching circuit including a plurality of paths, and the path switching circuit is configured to switch an order of the plurality of paths through which refrigerant flows between an order of the plurality of paths in the case where the heat exchanger acts as an evaporator and another order of the plurality of paths in the case where the heat exchanger acts as a condenser.

Abstract: The present invention relates to a low-power absorption refrigeration machine that enables the use of air as a refrigerant and has an evaporation unit that is separated from the rest of the absorption refrigeration machine and works with LiBr/H2O, H2O/NH3, LiNO3/NH3 or similar solutions, configuring an air-air machine wherein cold is produced directly in the enclosure to be air conditioned without need for impeller pumps and fan coils.

Abstract: The integrated solar absorption heat pump system includes an absorption heat pump assembly (AHPA) having a generator, a condenser in fluid communication with the generator, an evaporator/absorber in fluid communication with the condenser and the generator, and a heat exchanger in communicating relation with the evaporator/absorber; a solar collector in fluid communication with the generator of the AHPA; a photovoltaic thermal collector in communicating relation with the evaporator/absorber of the AHPA; a plurality of pumps configured for pumping a fluid throughout the system to provide the desired heating or cooling; a power storage source, e.g., a solar battery, in communicating relation with the photovoltaic thermal collector; and a coil unit in communicating relation to the evaporator/absorber for receiving an air-stream. The absorption heat pump assembly can include an absorber and a solution heat exchanger.

Abstract: The integrated solar absorption heat pump system includes an absorption heat pump assembly (AHPA) having a generator, a condenser in fluid communication with the generator, an evaporator/absorber in fluid communication with the condenser and the generator, and a heat exchanger in communicating relation with the evaporator/absorber; a solar collector in fluid communication with the generator of the AHPA; a photovoltaic thermal collector in communicating relation with the evaporator/absorber of the AHPA; a plurality of pumps configured for pumping a fluid throughout the system to provide the desired heating or cooling; a power storage source, e.g., a solar battery, in communicating relation with the photovoltaic thermal collector; and a coil unit in communicating relation to the evaporator/absorber for receiving an air-stream. The absorption heat pump assembly can include an absorber and a solution heat exchanger.

Abstract: Disclosed are: an accumulator fixing device for a compressor, the device being capable of minimizing the generation of vibration and noise; and an air-conditioning apparatus including the same. The disclosed accumulator fixing device comprises: fixing members fixedly provided to an outer side of a compressor; a first supporting member fixing a portion of the accumulator together with the fixing member while encompassing the circumference thereof; and a second supporting member fixing another portion of the accumulator together with the fixing member while encompassing the same, wherein the first supporting member and the second supporting member are arranged to be spaced from each other by a preset gap.

Abstract: The present invention relates to a portable water dispenser for dispensing cooling water to an overheated compressor of an ACU. The water dispenser includes a splash guard and a core that is installed inside the splash guard. The core includes a magnet that firmly but temporarily attaches the water dispenser to the outer surface with the compressor. Water flow is controlled to convert the flow exiting a water hose into a uniformly distributed curtain covering the entire outer surface of the compressor. The splash guard prevents water loss because it redirects any splashes towards the compressor.

Abstract: An electronic expansion valve with high flow control precision, comprises a valve seat (1) and a valve rod (3). A through groove (11) penetrating the top and bottom of the valve seat is formed on the valve seat (1). A bearing seat (2) matching the through groove is inserted in the through groove (11). The bearing seat (2) includes a seat body (23), a through hole, (21) passing through the seat body, is formed in the seat body (3), and the through hole (21) matches the valve rod (3). An internal thread segment (24) is formed in the middle of the inner wall of the through hole (21). A matched straight tube is welded to the bottom of the through groove (11). The outer wall of the valve seat (1) is provided with a side hole communicated with the through groove (11), and a matching elbow pipe (4) is welded to the side hole. An isolating sleeve (10) is welded to the outer wall of the valve seat (1).

Abstract: An accumulator and oil separator device includes a housing having a cavity, an oil separator unit disposed in the cavity and designed to separate oil from a refrigerant and oil mix received from a compressor and to output the oil into the cavity. The accumulator and oil separator device further includes an accumulator inlet tube to carry a received refrigerant into the cavity. The accumulator and oil separator device also includes an accumulator outlet tube to output the received refrigerant and the oil from the cavity.

Abstract: The present disclosure relates to the field of air conditioning technology. In particular, it involves a control method and control system based on a variable speed AC compressor.

Abstract: A refrigeration device includes a refrigerant circuit sequentially connecting a compressor, a condenser, a reservoir, and a subcooling coil via refrigerant pipes in series, an injection circuit configured to inject part of refrigerant flowing from the condenser to an intermediate pressure part of the compressor, and an injection expansion valve configured to reduce a pressure of refrigerant branched on a downstream side of the subcooling coil. The refrigeration device includes a temperature measurement unit, a pressure measurement unit, and a controller configured to identify a type of refrigerant on the basis of a measured value of the temperature measurement unit and a measured value of the pressure measurement unit, and control at least one of an operating frequency of the compressor, a rotation frequency of a condenser fan, and an opening degree of the injection expansion valve.

Abstract: According to another aspect, the present disclosure relates to a system for modular adiabatic evaporative pre-cooling of a horizontal air-cooled commericial refrigeration condenser. The system includes an evaporative media with an air permeable construction. The evaporative media has a water absorbable construction. The system also has a water supply port for supplying the volume of water. The system also has a water distributer for distributing the volume of water supplied from the water supply port. The water distributer distributes the volume of water to the evaporative media. The system also includes a water drain port for draining the volume of water distributed to the evaporative media.

Abstract: A system and method for generation of hydrogen-rich ice (HRI) by introducing water that has been mixed with H2 and CO2 into the vertical tubes of a tube-ice machine is disclosed. The temperature and pressure within the vertical tubes can be maintained by refrigerant surrounding the vertical tubes to form carbon dioxide clathrate hydrates which entrap hydrogen molecules. The carbon dioxide clathrate hydrates cages with entrapped H2 are encased, transported and then delivered after HRI discharge Later, when the HRI tube-ice is formed and released from tube-ice machine, it warms whereupon the carbon dioxide clathrate hydrates dissociate and the H2 is released and used, for example by placement of the tube-ice small cylinders in a glass of water.

Abstract: An ice making assembly within an appliance with a housing having an inlet and an outlet, and a lower portion and an upper portion. The assembly includes a rotatable shroud within the housing with a first slot in air communication with the inlet, and a second slot in air communication with the outlet. A thermoelectric device with a top side and a bottom side, and having a heat sink on the bottom side between the first slot and the second slot. An ice tray disposed above and thermally connected with the top side, a barrier wall within the housing and in contact with the shroud between the lower portion and the upper portion.

Abstract: A container arrangement for use in an interior (2) of a refrigeration device (1) includes a box-shaped container (40) with a bottom part (41) surrounded or enclosed by peripheral side walls (42) and with a loading opening (46) with an opening edge (43) defining a free end of the side walls (42), and an insert tray (50) for positioning in the container (40). The opening edge (43) includes a receiving shape (45) which interacts with a corresponding positioning device (55) on the tray (50) to define a predetermined inserted position of the insert tray (50) relative to the opening (46). The container arrangement (4) is configured for being pushed into and pulled out of the interior (2).

Abstract: The present invention provides a transport container comprising; a first container having a first inner wall with a storage space for storing a transported object and a first outer wall provided on the outside of the first inner wall so as to form, with the first inner wall, a vacuum space therebetween; a first lid that is heat-insulating and is for removably sealing a first opening of the first container; a second container having a second inner wall with a space for storing the first container and the first lid and a second outer wall provided on the outside of the second inner wall so as to form, with the second inner wall, a vacuum space therebetween; a second lid that is heat-insulating and is for removably sealing a second opening of the second container; and a heat storage material for surrounding the transported object inside the storage space.

Abstract: Provided is a refrigerator including a cabinet forming one of a refrigerator compartment and a freezer compartment, a main door opening and closing the refrigerator compartment or the freezer compartment and including a storage space opened forward, a sub door installed on the main door and opening and closing the storage space of the main door, and a dispenser disposed on the sub door and dispensing water.

Abstract: A combination light and pressure relief vent is disclosed which includes a housing, a valve assembly, and a light assembly. The housing include a multi-radial positionable valve body, port tube, and an outside louver. The valve assembly includes a low positive pressure exhaust valve, a high positive pressure exhaust valve, a low negative pressure intake valve, and a high negative pressure intake valve. The light assembly includes a heat sink casing which defines a heat chamber and which includes a projection extending into the heat chamber. The casing is coupled to an LED module wherein heat generated by the LED module is transferred through the casing to the heat chamber to warm the valve assembly.

Abstract: A flush-mount refrigerator is provided that includes a cabinet defining a compartment and including a pair of side walls that extends forwardly of the compartment. A pair of doors is coupled to the cabinet and positioned on either side of a centerline of the cabinet. The pair of doors are spaced apart by a predetermined spacing. A storage feature is positioned within the compartment of the cabinet and movable between an extended position and a recessed position when one or both of the pair of doors is in an open position. A hinge assembly is coupled to the cabinet and to one of the pair of doors. The hinge assembly includes a six-link mechanism that keeps the door within a predefined distance of at least one side wall when the door is moved from a closed position to the open position.

Abstract: A variable fluid dispenser for a refrigerator utilizes a variable control suitable for varying the rate of fluid dispensing by the dispenser. In some instances, the variable control may include a rotary control actuator that varies the fluid dispensing rate of the variable dispenser, and in some instances, the variable control may include a variable control actuator movable between a range of positions that includes a home position at which the variable dispenser is deactivated. In such instances, movement of the variable control actuator away from the home position both activates the variable dispenser to dispense fluid and increases the fluid dispensing rate of the variable dispenser.

Abstract: A distillation column system and a plant are for production of oxygen by cryogenic fractionation of air. The distillation column system has a high-pressure column and a low-pressure column, a main condenser, and an argon column with an argon column top condenser. The low-pressure column comprises an upper mass transfer region, a lower mass transfer region and a middle mass transfer region. The argon column top condenser is arranged within the low-pressure column between the upper and middle mass transfer regions and is configured as a forced-flow evaporator.

Abstract: A method includes a step of increasing or decreasing a flow rate of a gas of the a second gas supply system, by a predetermined time from a start of a gas treatment step of the process recipe or a by a predetermined time before a start of the gas treatment step, by using apparatus information regarding a first gas supply system of the first substrate treatment apparatus and the second gas supply system of the second substrate treatment apparatus, and arranging the treatment process, and in this step, the treatment process of the second substrate treatment apparatus performed using the process recipe conforms to the treatment process of the first substrate treatment apparatus performed using the process recipe.

Abstract: The present disclosure relates to environmentally-clean thermal drying systems and methods. In accordance with one aspect, a method for thermal drying includes receiving a grease-related waste, burning the grease-related waste in a furnace to generate heat energy, receiving a bio-waste in an indirect dryer at an adjustable feed rate, drying the bio-waste in the indirect dryer using at least some of the heat energy, and metering the bio-waste into the indirect dryer at the adjustable feed rate. The adjustable feed rate is adjusted based on a percentage of solids of the bio-waste before entering the indirect dryer and a temperature within the indirect dryer, where the indirect dryer and the adjustable feed rate are coordinated to achieve a predetermined percentage of solids in a dried bio-waste exiting the indirect dryer.

Abstract: A method and plant for the thermal treatment of friction elements including a convective heating step which is performed within a convective tunnel oven. The friction elements are arranged laid, in an orderly manner, upon a plurality of trays each tray having a perforated resting plate upon which the friction elements are laid in a position next to one another only, but not overlapped. The trays are piled on top of each other whilst being kept distanced from one another in a stacking direction by an amount that is greater than the thickness of the friction elements. Groups of piled up trays containing the friction elements are arranged side by side on belt conveyor means that pass through the tunnel oven in order to transport the friction elements therethrough.

Abstract: A clip for supporting a refractory structure and/or a hanger structure. The clip can have a body with two legs connected to a top. A fastener that extends through the top can be adjusted and/or secured to fix a relative position of the clip with respect to the refractory structure and/or the hanger structure. An adjuster that extends through the top, such as a tab connected to or integrated with the top, can be used to adjust a distance, such as a vertical height, of the clip with respect to adjacent fixed structural members. The adjuster can be used to compensate for a distance change resulting from the refractory structure, the hanger structure, one or more adjacent fixed structural members, and/or any other similar structure, bending, flexing and/or otherwise deforming due to exposure of the components to a relatively high temperature.

Abstract: A raw material supply device that supplies a raw material into a flash smelting furnace and supplies first gas and second gas into the flash smelting furnace, includes: a first gas pathway that is provided in a lance and supplies the first gas into the flash smelting furnace; a raw material pathway that is provided out of the lance and supplies the raw material into the flash smelting furnace; a second gas pathway that is provided out of the raw material pathway and supplies the second gas into the flash smelting furnace; and a blade that is provided in the first gas pathway, has an inclined face with which the first gas is collided and revolves the first gas toward a lower side of the flash smelting furnace, the inclined face being inclined with respect to a flow direction of the first gas in the first gas pathway.

Abstract: A heat exchanger includes a liquid reservoir configured to separate a gas-liquid two-phase refrigerant flowing out of an upstream heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant, and a refrigerant adjustment portion configured to adjust an outflow state and an outflow destination of the refrigerant flowing out of a downstream heat exchanging portion or the liquid reservoir. The liquid reservoir includes a liquid reserving portion configured to store the liquid-phase refrigerant and a gas reserving portion configured to store the gas-phase refrigerant. The refrigerant adjustment portion faces the liquid reserving portion across the gas reserving portion.

Abstract: A heat exchanger includes a shell, refrigerant distributor, tube bundle, and first upper baffle. The shell has a refrigerant inlet through which at least refrigerant with liquid refrigerant flows and a shell refrigerant vapor outlet. A longitudinal center axis of the shell extends substantially parallel to a horizontal plane. The refrigerant distributor fluidly communicates with the refrigerant inlet and is disposed within the shell. The refrigerant distributor has at least one liquid refrigerant distribution opening that distributes liquid refrigerant. The tube bundle is disposed inside of the shell below the refrigerant distributor so that the liquid refrigerant discharged from the refrigerant distributor is supplied to the tube bundle. The first upper baffle is vertically disposed at a top of the tube bundle. The first upper baffle extends laterally outwardly from the tube bundle toward a first lateral side of the shell.

Abstract: A helical heat exchanger assembly comprises a tube having first and second ends, a length, an inner diameter and a cross-section incorporating the inner diameter, and a thermally conductive tube insert having a length and an outer diameter substantially equal to the inner diameter of the tube, the tube insert having first and second ends and comprising a single helix extending along the length of the tube insert and twisted around a central axis. The tube insert is sealed within the tube by sealing an outer edge of the helix to an inner surface of the tube to form fluid-tight first and second fluid flow paths defined between opposing sides of the helix and the inner surface of the tube, respectively. A plurality of inlet and outlet fluid ports are positioned for passage of a first and second fluid into and out of the tube.

Abstract: A cooling device of an embodiment includes an evaporator, a condenser, a first connection pipe, a second connection pipe, and a third connection pipe. A refrigerant is vaporized in the evaporator by heat generated by a heating element. The condenser is located above the evaporator, and configured to condense the vaporized refrigerant by exchanging heat with an external fluid. The first connection pipe guides the refrigerant vaporized by the evaporator to the condenser. The second connection pipe guides the refrigerant condensed by the condenser to the evaporator. The third connection pipe connects a portion of the first connection pipe and a portion of the second connection pipe. A connection position between the third connection pipe and the first connection pipe is higher than a maximum liquid level height of the refrigerant in the second connection pipe during an operation.

Abstract: A heat pipe includes an inlet port. The inlet port includes an unsealed part and a sealed part that include metal layers that are a first outermost layer, intermediate layers stacked on the first outermost layer, and a second outermost layer stacked on the intermediate layers. In the unsealed part, the intermediate layers include respective openings and respective first and second walls on first and second opposite sides, respectively, of the openings. The openings form an injection channel defined by the first and second outermost layers and the first and second walls of the intermediate layers. The inner wall faces of the first walls and the inner wall faces of the second walls of at least two adjacent intermediate layers form a first step and a second step, respectively. In the sealed part, each metal layer contacts one or more of other metal layers to hermetically seal the inlet port.

Abstract: A geothermal heat utilization system includes a heat source well facility, a heat source device having a refrigeration cycle including a compressor, a condenser, an expanded portion, and an evaporator, a primary refrigerant circuit that is connected to a first unit which is one of the condenser and the evaporator of the heat source device, heat exchange being able to be performed between the first unit and the well-side pipe, a secondary refrigerant circuit that is connected to a second unit which is the other of the condenser and the evaporator of the heat source device, heat exchange being able to be performed between the second unit and a load, and a mode switching unit that switches between a cold heat storage operation mode in which the primary refrigerant circuit is connected to the evaporator and the secondary refrigerant circuit is connected to the condenser and a cold heat discharge operation mode in which the primary refrigerant circuit is connected to the condenser and the secondary refrigerant cir

Abstract: A heat exchange system for commercial kitchen installations, having a dedicated plenum to receive combustion emissions separate from cooking emissions, where the plenum has a heat exchange structure that efficiently and directly draws heat from the combustion emissions. The plenum heat exchange structure reduces the air volume that a ventilation hood covering the kitchen appliances needs to process and filter, while concurrently obtaining heat from combustion emissions without interference from cooking emission effluents such as grease, smoke, or particulate matter. Heat drawn out of the combustion emissions can be stored in a thermal reservoir for powering other parts of the commercial kitchen or other uses. The diverted airstream from combustion emissions, once passed through the heat exchange structure, can further ventilate through an additional heat exchanger, to provide tempered air to an interior location, such as the commercial kitchen via an air supply duct in the cooking emission ventilation hood.

Abstract: A steam generator for generating a superheated fluid from a working fluid using a stream of heated gas, the steam generator comprising: a housing, which defines a gas flow path having an inlet at one, upstream end thereof into which a stream of heated gas is delivered and an outlet at the other, downstream end thereof; and a steam generation module which is disposed within the gas flow path of the housing, the steam generation module comprising a heat exchanger which receives a working fluid and is operative to raise the temperature of the working fluid to provide a saturated fluid, and a superheater which receives the saturated fluid from the heat exchanger and is operative to raise the temperature of the saturated fluid and provide a supersaturated fluid.

Abstract: A core arrangement for a heat exchanger includes a first core layer. The first core layer includes first upstream and downstream ends, first and second parting sheets parallel to one another, and a plurality of adjacent fins disposed between the first and second parting sheets. Each of the plurality of fins extends from a surface of the first parting sheet to a surface of the second parting sheet, and longitudinally between the first upstream end and the first downstream end. The plurality of fins are further laterally arranged to define a plurality of first fluid passages. Each of a subset of the plurality of fins includes an internal slot positioned away from the first upstream end and the first downstream end.

Abstract: A membrane heat exchanger comprising a first planar sheet and a second planar sheet coupled to the first planar sheet to form at least one fluid chamber defined by the first and second sheets and a first and second end that respectively communicate with a first and second port defined by at least one of the first and second sheet.