Abstract: A system is provided for heat recovery from shower greywater. An outlet for greywater is connected to a heat exchanger's inlet for greywater and the heat exchanger is designed so that a cold supply water flows in the opposite direction through the heat exchanger relative to the relatively hot greywater, so that heat exchange works under a counterflow principle and heat energy is transferred from the hot greywater to the cold supply water. A manifold having a nozzle outlet for hot supply water is connected to a waste pipe so that the manifold nozzle outlet for hot supply water opens into the waste pipe at a position downstream of the waste pipe inlet for greywater but upstream of the waste pipe outlet for greywater.

Abstract: A weather forecast-based fluid heating control system having at least one hot fluid delivery point, the control system including a controller adapted to control a fluid supply to a setpoint temperature, a means for obtaining the forecasted air temperature at a future time of the location of the control system and a means for obtaining the current air temperature at a current time of the location of the control system. The setpoint temperature of the fluid supply is adjusted by an adjustment amount if the difference between the forecasted air temperature of the location of the control system and the current temperature at the current time of the location of the control system exceeds a pre-determined threshold.

Abstract: An air handling unit has an enclosure, a heat exchanger disposed within the enclosure, and a heating element substantially co-located with the heat exchanger within the enclosure. An air handling unit has a cabinet with a first air opening and a second air opening. A blower is disposed within the cabinet adjacent to the first air opening and a heat exchanger is disposed within the cabinet adjacent to an air outlet of the blower unit and also adjacent to the second air opening. At least one heating element is located adjacent the heat exchanger. A method of constructing an air handling unit includes forming an air handling enclosure, mounting a blower in the air handling enclosure, mounting a heat exchanger in the air handling enclosure downstream of the blower, and mounting at least one heating element in the air handing enclosure downstream of the blower.

Abstract: The present invention discloses a heater with a humidifying device. The humidifying device includes a water container, a cotton rod, a fixing knob, an atomization plate, a hollow pipe, and a fog output box. Through the cotton rod, water is sent to the atomization plate to directly generate atomized particles. The design and structure of the present invention are simple. The heater is combined with an air purifying device, the humidifying device, and a heating device to provide multiple functions. An air outlet is to exhaust warm wind, humidified air and purified air, so the user can feel fresh but not dry warm wind.

Abstract: An air washer in which a water tank unit may be pulled out in a frontward direction is provided, in which water may be supplied by directly pulling out the water tank unit in the frontward direction, a water spilling prevention portion in the water tank unit may effectively reduce spilling of water resulting from a motion, inclination, and an impact of the water tank unit, a height difference compensation portion on a front surface portion of the water tank unit may compensate for a height difference between the water tank unit and the water tank storage portion, and a water tank locking device may prevent arbitrary separation of the water tank unit.

Abstract: A fully-integrated system for ventilating a structure. System includes a hood, an outlet tube, a flapper, a flange, and an adapter. Adapter allows the system to be integrated into the structure, for instance on a roof. System allows air to flow out of the structure. Flapper lifts with airflow but falls with gravity, providing both an outlet for outflow air and a barrier to inflow air. Flange protects the hole in the structure into which the system is installed, and can be flat, meaning perpendicular to the plane of the length of the tubular member, or at an angle thereto, for installation on flat or angled roofs. Hood provides protection from airborne debris, precipitation, animals, or other objects that may block the system. System may include a flexible membrane that allows integration into different shapes of structures and provides an additional measure of protection to the structure and the system.

Abstract: Ventilating units that include a recovery wheel, a supply air outlet from the wheel, an outdoor air supply fan that moves outdoor air through the recovery wheel, an economizer damper that opens to bring outdoor air directly into the supply air outlet, and an exhaust air discharge fan that moves exhaust air through the recovery wheel and to outdoors; HVAC units that include air conditioning with an air handler supply fan, a recovery wheel, an economizer section, an outdoor air supply fan, and controls; and methods of controlling airflow in an HVAC unit that include controlling an economizer damper based on outdoor and return air temperature and enthalpy or dew point. Some ventilating units connect to a packaged air handler and other ventilating units include the air handler, cooling coil, and air handler supply fan. Some embodiments include another damper that opens to bypass the recovery wheel for power exhaust.

Abstract: Heating, ventilation, and air conditioning (HVAC) system controllers are described herein. One HVAC controller includes a user interface configured to receive an indication of whether there is a positive or negative relationship between each of a number of controlled variables of an HVAC system and each of a number of manipulated variables of the HVAC system, a memory, and a processor configured to execute executable instructions stored in the memory to determine operating parameters for each of the number of manipulated variables, wherein the determined operating parameters are determined based, at least in part, on whether there is a positive or negative relationship between each respective controlled variable and each respective manipulated variable, and the determined operating parameters are not based on system dynamics and disturbances associated with the HVAC system. The determined operating parameters may be optimal with respect to the current condition of the HVAC system.

Abstract: Heating, ventilation, and air conditioning (HVAC) controllers are described herein. One method includes receiving an approximate relationship between each of a number of controlled and manipulated variables of an HVAC system, designating one of the number of controlled variables as a primary controlled variable, determining operating parameters for each of the number of manipulated variables that maintain the primary controlled variable based, at least in part, on the approximate relationship between the primary controlled variable and each respective manipulated variable, and determining operating parameters for each of the number of manipulated variables that maintain each of the other controlled variables based, at least in part, on the approximate relationship between each respective other controlled variable and each respective manipulated variable and the determined operating parameters for each of the number of manipulated variables that maintain the primary controlled variable.

Abstract: A user-friendly programmable thermostat is described that includes receiving an immediate-control input to change set point temperature, controlling temperature according to the set point temperature for a predetermined time interval, and then automatically resetting the set point temperature upon the ending of the predetermined time interval such that the user is urged to make further immediate-control inputs. A schedule for the programmable thermostat is automatically generated based on the immediate-control inputs. Methods are also described for receiving user input relating to the user's preference regarding automatically generating a schedule, and determining whether or not to automatically adopt an automatically generated schedule based on the received user input.

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: Methods as disclosed herein are generally configured to help determine a pressure differential (or pressure head) in a fluid circulation system of for example, a HVAC system, for controlling the fluid circulation system. The method may include ob taming a correlation between a fluid flow rate and a pressure differential in the fluid circulation system by varying an operation speed of the pump. The method may also include obtaining a desired fluid flow rate for matching a cooling capacity of the HVAC system and determining a pressure differential setpoint corresponding to the desired fluid flow rate based on the correlation between the fluid flow rate and the pressure differential. The methods can be executed by, for example, a controller of the HVAC system so as to eliminate the requirement of a user to set up the pressure differential.

Abstract: An HVAC duct is provided. The duct includes an outer tube having a fully continuous external perimeter. The duct further includes an inner tube capable of conveying forced air. The inner tube extends within the outer tube longitudinally. The duct also includes a plurality of support elements spanning between the outer tube and the inner tube. The elements extends along the outer tube and the inner tube longitudinally. The elements define a plurality of channels between the outer tube and the inner tube. The outer tube, the inner tube, and the elements are fully unitary.

Abstract: The present invention relates to a solid fuel and, more particularly, to a solid fuel boiler which uses, as a heat source, solid fuel including rice straws, fallen leaves, trees, etc. and can receive oil fuel and gas fuel so as to keep a fire alive.

Abstract: A fluid heating system including: a pressure vessel shell including: a first inlet and first outlet; a tubeless heat exchanger core disposed entirely in the pressure vessel shell, the tubeless heat exchanger core including a second inlet and a second outlet; an outlet member, which penetrates the pressure vessel shell and which connects the second outlet of the tubeless heat exchanger core and an outside of the pressure vessel shell; and a conduit having a first end connected to the second inlet of the tubeless heat exchanger core and a second end disposed on the outside of the pressure vessel shell.

Abstract: A heating element, a power supply, and a fan or similar apparatus for creating airflow comprises a bathroom heater and dryer. The exterior of the heater provides a platform with apertures that allows airflow to exit the heater. To use the heater, a user steps onto the platform. The heating element receives power from the power supply and heats up the air contained inside of the heater. The fan pushes the air upward through the platform and the air exits through the apertures, warming the user and drying the lower extremities.

Abstract: A convective heat transfer flue, including a flue wall (1) and convective heating surface groups (2) arranged inside the flue wall (1), shutters adjustable through 90 degrees or sliding gates (9) are arranged between adjacent convective heating surface groups and at a flue gas inlet and a flue gas outlet of the convective heat transfer flue. The proposed flue solves the problems of fouling within back-flow vortex regions of heat transfer pipes, and condensation on heating surfaces in the tail of the flue wall (1), as well as being beneficial for boiler start-up and load adjustment thereof.

Abstract: A water heater is provided that includes a centering ring or thermal barrier that facilitates centering or alignment of a tank of the water heater while also diminishing heat loss through the bottom of the tank. Features are provided with centering ring that keep the centering ring in place and help prevent insulation from intruding under the centering ring and the tank of the water heater.

Abstract: A system and method for controlling a water heater that operates according to a voltage supply includes a temperature sensor, mounted on at least one of a temperature and pressure (T&P) valve of the water heater and a hot water line of the water heater, that generates a temperature signal corresponding to a first temperature of the at least one of the T&P valve and the hot water line. A control module mounted on the water heater includes a switching module that receives the voltage supply and outputs the voltage supply to the water heater. The voltage supply passes at least one of through and adjacent to the control module. The control module determines a second temperature of water within the water heater based on the temperature signal and selectively actuates the switching module to turn on and turn off the voltage supply to the water heater based on the second temperature.

Abstract: In one aspect the invention provides a fluid temperature modification apparatus which includes at least one temperature modification element s associated with a fluid conduit. This temperature modification element or elements are located adjacent to an outlet of the fluid conduit. The apparatus also includes at least one energy storage capacitor, and at least one trigger switch which when operated connects one or more energy storage capacitors to a temperature modification element. The operation of a trigger switch at least partially discharges at least one energy storage capacitor to energise a temperature modification element which modifies the temperature of fluid in the conduit adjacent to the outlet port of the conduit.

Abstract: An orifice 26 is provided in an air supply passage 5a of a warm air heater 100, and a differential pressure sensor 28 detects differential pressure ?p between front and rear of the orifice 26 in the air supply passage 5a. Rotation speed of the combustion fan 24 is corrected on the basis of the differential pressure ?p detected by the differential pressure sensor 28.

Abstract: A device for gaining solar energy comprises a integral unit with a casing (10 . . . 13). The casing comprises reflection means (20) with a hollow reflector surface (25) and is closed off by refraction means (30) with an entry surface (35) for entering sunlight. The refraction means and reflection means are each rotatably arranged around a rotation axis (71, 72) and their orientation relative to each other is continuously adjusted to the current position of the sun in the sky using positioning means provided for that purpose. The casing comprises a number of dustproof, but nevertheless ventilating chambers. The first chamber (100) is situated between the refraction means (30) and the reflection means (20) and comprises energy-conversion means (40) at least near to the focal point of the reflector surface (25).

Abstract: A solar collector assembly (10) comprising a pipe (18) exposed to solar energy adapted to accommodate a fluid flow in such a way that the solar energy is transferred to the fluid, a heat pipe or any other energy guiding system or absorber; a reflector assembly (12) with a curved reflector (14) for focusing solar radiation in the range of the pipe (18), and an actuator (90,64, 80) for moving the reflector assembly (12) in a way that the solar radiation is reflected in the direction of the pipe (12), is characterized in that means (30, 32) are provided for releasably fixing the reflector assembly (12) to the pipe (18), and the actuator (90, 64, 80) is fixed at the reflector assembly (12) or in the reflector assembly (12).

Abstract: A refrigerant air conditioner for boats in ports and marinas, comprising a compressor (1), an external heat exchanger, an internal heat exchanger (13) cooperating with a fan (12). The compressor (1) and the external heat exchanger are contained within an air conditioner container (16; 38) forming part of a multi-service pedestal (17; 36), equipped with a support structure (20; 37) situated on a pier (P) or quay, and the room heat exchanger (13) is placed in a boat (B) moored to pier (P) or quay.

Abstract: Disclosed is a method and device for a thermal energy storage liquid-suction heat exchanger (TES-LSHX) for air conditioning and refrigeration (AC/R) applications. The disclosed embodiments allow energy to be stored and aggregated over one period of time, and dispatched at a later period of time, to improve AC/R system efficiency during desired conditions. Not only are the benefits of LSHX stored and aggregated for later use, but when dispatched, the discharge rate can exceed the charge rate thereby further enhancing the benefit of demand reduction to utilities. The disclosed embodiments allow great flexibility and can be incorporated into OEM AC/R system designs, and/or bundled with condensing units or evaporator coils. These TES-LSHX systems can be retrofit with existing systems by installing the product at any point along the existing AC/R system's line set.

Abstract: Provided is a temperature control system configured to mix a low temperature heating medium and a high temperature heating medium to supply the heating mediums at a temperature according to a process recipe to an electrostatic chuck (ESC) configured to maintain a temperature and support a wafer in a chamber in which a semiconductor wafer processing process is performed, and a heating medium obtained by mixing a heating medium cooled through a thermoelectric element and a heating medium heated through a heater to a desired target temperature according to a first ratio and a second ratio is provided to a load and recovered from the load, and the heating medium is distributed to the thermoelectric element and the heater according to the first ratio and the second ratio, which are ratios upon the mixing, optimizing power consumption for cooling or heating.

Abstract: Various embodiments are directed to a thermoelectric device comprising a thermoelectric element, a first heat switch and a second heat switch. The thermoelectric element may comprise a first component in electrical contact with a second component at an interface. The first component may comprise a first material and the second component may comprise a second material different from the first material. The first heat switch may comprise a first terminal in thermal contact with the interface and a second terminal in thermal contact with a thermal reservoir. The second heat switch may comprise a first terminal in thermal contact with the interface and a second terminal in thermal contact with a thermal load.

Abstract: In an ejector, a passage formation member is disposed inside a body forming a space therein. Provided between an inner peripheral surface of the body and the passage formation member are a nozzle passage functioning as a nozzle, a mixing passage in which an ejection refrigerant ejected from the nozzle passage and a suction refrigerant drawn through a suction passage are mixed together, and a diffuser passage that converts a kinetic energy of the refrigerant that has flowed out of the mixing passage into a pressure energy. The mixing passage has a shape gradually reducing in cross-sectional area toward a downstream side in the refrigerant flow.

Abstract: An approximately conical passage-forming member is disposed inside a body in which a swirling space for swirling a refrigerant is formed, and an ejector defines therein a nozzle passage that functions as a nozzle for depressurizing a refrigerant that has flowed out from the swirling space between an inner circumferential surface of the body and the passage-forming member, and a diffuser passage that pressurizes a mixed refrigerant obtained from a refrigerant sprayed from the nozzle passage and a refrigerant drawn from a suction-passage. A plurality of driving passages through which a refrigerant is introduced from a distribution space to the swirling space are formed in the body. In this case, the driving passages are formed in a manner such that a refrigerant flowing in from each driving passage into the swirling space flows along an outer circumference of the swirling space and flows in directions different from each other. Accordingly, nozzle efficiency is sufficiently improved.

Abstract: A device is provided that includes a fluid inlet and a fluid outlet, wherein the device is in fluid communication with the refrigerant circuit via the fluid inlet and the fluid outlet, wherein the device contains a granular material which can absorb an amount of fluid from the refrigerant, wherein the amount of granular material contained in the device is calculated according to the formula MG=W/WA, where MG is the mass in [g] of the granular material contained in the device, W is the total amount of fluid in [g] that can be absorbed by the granular material, and WA is the amount of fluid that can be absorbed per gram of granular material.

Abstract: A refrigeration system includes a refrigerant vapor compression unit including a compressor and one or more current sensors to determine a total system current draw. One or more pressure sensors are positioned to determine a refrigerant pressure in the refrigerant vapor compression unit. A controller compares the current draw on the system and the refrigerant pressure to selected acceptable ranges and determines a level of refrigerant charge in the refrigerant vapor compression unit. A method of determining a level of refrigerant charge in a refrigeration system includes measuring a refrigerant pressure in the refrigeration system and sensing a current draw of the refrigeration system. A level of refrigerant charge in the refrigeration system is calculated from the refrigerant pressure and the current draw.

Abstract: An air conditioning service system includes an accumulator defining an accumulator chamber, a pressure transducer operably connected to the accumulator chamber, a drain valve operably connected to the accumulator chamber, and a controller operably connected to the pressure transducer and the drain valve. The controller includes a processor configured to execute program instructions stored in a memory to determine a volume of liquid drained from the accumulator by: determining a volumetric flow rate of liquid through the drain valve by controlling the drain valve with the controller to an open position for a predetermined period of time; detecting an increased rate of pressure reduction while the drain valve is open; and determining an amount of liquid drained through the drain valve based upon the volumetric flow rate and a total time elapsed between opening the drain valve and the increased rate of pressure reduction.

Abstract: A quick-connect system for a high pressure connection includes a port and a collet. The port defines an inlet opening at an outer longitudinal end of the port and includes an inner wall having a first sloped surface at least partially defining a collet cavity. The first sloped surface has a first diameter at a first end nearest the inlet opening and a second diameter, which is greater than the first diameter, at a second end opposite the first end. The collet includes a head portion and a plurality of legs extending distally from the head portion, and each leg of the plurality of legs includes a distal foot portion. In a connected state, the foot portions of the plurality of legs are located in the collet cavity, and the foot portions define an outermost diameter that is greater than the first diameter.

Abstract: An outdoor unit control unit 200 has a defrosting operation condition table 300a that defines an activation rotational speed Cr in accordance with a total sum of rated capacity of indoor units 5a to 5c and a refrigerant pipe length that is lengths of a liquid pipe 8 or a gas pipe 9. The outdoor unit control unit 200 uses the total sum of the rated capacity of the indoor units 5a to 5c and refers to the defrosting operation condition table 300a, so as to determine the activation rotational speed Cr. Then, the outdoor unit control unit 200 activates a compressor 21 at the determined activation rotational speed Cr when starting a defrosting operation, maintains this activation rotational speed Cr for a predetermined time (one minute) from the start of the defrosting operation, and drives the compressor 21.

Abstract: A fault detection and diagnostics (FDD) system is provided for a refrigeration circuit having an evaporator and a compressor configured to circulate a refrigerant through the evaporator. The FDD system includes a communications interface configured to receive a measurement of a thermodynamic property affected by the refrigeration circuit and a processing circuit having a processor and memory. The processing circuit is configured to use the measured thermodynamic property to determine an expected suction entropy of the refrigerant at a suction of the compressor, use the expected suction entropy to determine an expected thermodynamic discharge property of the refrigerant at a discharge of the compressor, determine an actual thermodynamic discharge property of the refrigerant at the discharge of the compressor, and detect a fault in the refrigeration circuit by comparing the expected thermodynamic discharge property with the actual thermodynamic discharge property.

Abstract: A cooling clamp is operable to hold coolant and an item in proximity to one another and includes a pair of relatively shiftable jaws and a receptacle mounted to at least one of the jaws. The jaws are shiftable into and out of a closed position, with the jaws being configured to receive at least a portion of the item therebetween and apply a clamping pressure to the item when in the closed position. The receptacle is mounted to at least one of the jaws and presents a chamber to receive the coolant. The receptacle includes an exposed wall section that defines in part the chamber and is configured to contact the item when the jaws are in the closed position, with the exposed wall section thereby serving as a direct thermal conductor between the item and the coolant.

Abstract: An apparatus and system for the generation of potable water from air. The apparatus includes a ventilation fan for moving air into and through the apparatus; a gas compressor for compressing and cooling a refrigerant gas; at least one venturi radiator fin for receiving the compressed gas and cooling surrounding air; and a reservoir for collecting potable water condensed from the cooled air. The system may include several of the apparatus.

Abstract: Disclosed are devices and liners for containing item(s) or fluid(s) at a temperature below ambient temperature comprising: (a) a container or compartment having an interior space and (b) thermal insulation comprising a polymeric material having closed cells therein wherein said cells are formed from and/or contain a blowing agent, said container comprising a liner comprising (i) a first layer comprising ABS and having a surface facing toward said interior space; and (ii) at least a second layer having a surface facing away from said interior space and toward said thermal insulating foam, wherein said second layer of said liner is at least one of (1) a layer formed from an amorphous or semi-crystalline polyamide resin having sufficient composition and thickness to substantially inhibit the migration of said blowing agent toward said interior space; (2) a layer formed from a polymeric material capable of absorbing a substantial portion of said blowing agent molecules emitted from said insulation; and (3) a laye

Abstract: A control method is provided for controlling a refrigerator that is connected to one or more electrical apparatuses, in which the refrigerator includes a door/drawer and a processor. The control method causes the processor to sense a change in an opened state or a closed state of the door/drawer and receive state information indicating an operation state of the one or more electrical apparatuses from the one or more electrical apparatuses, which are operable when the user is. The processor determines whether the user is cooking based on the received state information, and notifies the user of different information each time a change in the opened state or the closed state is sensed if a change in the opened state or the closed state is sensed when a determination is made that the user is cooking.

Abstract: A power consumption output device is provided with a power consumption information acquiring unit and an output unit. The power consumption information acquiring unit is configured to acquire power consumption information indicating power consumption of a home appliance. The output unit is configured to output the power consumption of the home appliances along with a reference value. The power consumption of the home appliance is obtained based on the power consumption information acquired by the power consumption information acquiring unit.

Abstract: A refrigerated cooler for storing food and other applications having a controller and a temperature sensor that monitors the temperature inside the food compartment and compares the monitored temperature to a stored predetermined temperature and a controller controlled door lock that is placed in the lock position by the controller if the monitored temperature is compared to be greater than the stored predetermined temperature or if the supply of power to the cooler is interrupted to restrict a customer's access to the food inside that may be unsafe due to the monitored temperature being greater than the stored predetermined temperature.

Abstract: System and method for lyophilization or freeze-drying is provided. During the freezing step, the material or solution to be frozen is initially brought to a temperature near or below its freezing temperature after which the pressure in the freeze-dryer chamber is reduced to induce nucleation of the material.

Abstract: A method is provided for accelerating the drying of a cargo box (18) of a refrigerated truck (12), trailer (16), or container following a wash out. In an aspect, the method includes circulating air from the cargo box (18) through an evaporator (30) of the refrigerant unit (20) and back to the cargo box (18); and operating the refrigerant unit (20) in alternating cycles of first heating the circulating air and then cooling the circulating air.

Abstract: The invention relates to a device for producing energy from biomass, comprising a heat-producing apparatus for producing heat and a drying apparatus, and a method for producing energy from biomass, in particular from fibrous biomass, preferably from wood fibers, comprising the step of producing heat by burning biomass remainders reduced to small pieces, in particular wood dust. The present invention further relates to a device and a method for the material utilization of fibers from biomass, in particular wood.

Abstract: Impact tool and method for a hammer device that includes impact tool housing and tubular piston structured and arranged for axial displacement in impact tool housing via pressure medium. Tubular piston has essentially radial pressure surfaces structured and arranged on opposite portions of tubular piston to be acted on with pressure medium. Grooves are formed in impact tool housing that are structured and arranged for a reversal of a direction of a pressure medium impingement on pressure surfaces and discharge or recirculation of medium. Grooves include a control recess formed in tubular piston and at least two control grooves for a shift of pressure medium impingement on pressure surfaces that are arranged axially offset in impact tool housing. A controller is structured and arranged to alternatively activate one of the at least two control grooves via connection channels.

Abstract: The present invention concerns a granulation installation (10) for granulating molten material produced in a metallurgical plant. The installation comprises a.o. a steam condensation tower (30) with a steam condensing system and an evacuation device (60) for selectively evacuating gas and steam from said tower, condensing excessive steam and evacuating gas to the atmosphere, said evacuation device (60) having an inlet (62) arranged to communicate with said upper zone (44) of said condensation tower (30) above the water-spraying device (40) and an outlet arranged to evacuate and condensate steam and evacuate gas from said condensation tower (30).

Abstract: The present invention concerns a granulation installation (10) for granulating molten material produced in a metallurgical plant. The installation comprises a water injection device (20), for injecting granulation water into a flow of molten material (14) to granulate the molten material, a granulation tank (18) for collecting the granulation water and the granulated material. The installation further comprises a steam collecting hood that includes an evacuation device for evacuating steam from said hood, condensing said steam and evacuating said condensed steam to the atmosphere.

Abstract: A cooling tower simulation system may receive a measurement from a cooling tower sensor and generate a predicted Noutput of a cooling tower system based on a model of the cooling tower system. The simulation system may generate an estimated output using an extended Kalman filter with the measurement and the predicted output as inputs, wherein the estimated output represents a characteristic of the cooling tower system.

Abstract: A heat exchanger includes: a heat exchange unit group made up of a plurality of heat exchange units arranged in a row direction, the heat exchange units including a plurality of heat transfer tubes configured to allow refrigerant to pass therethrough, the heat transfer tubes being arrayed in a level direction, the level direction being perpendicular to the direction of air flow, and a plurality of fins stacked to allow air to pass therethrough in the air flow direction; and headers, disposed on both ends of the heat exchange unit group, the headers being connected with ends of the plurality of heat transfer tubes, the heat exchange unit group including one or more bend sections bent in the row direction, the headers including one header provided on one end of the heat exchange unit group in common for the plurality of rows of the heat exchange units, and a plurality of separate headers provided separately for the heat exchange units on the other end of the heat exchange unit group, the plurality of separate h

Abstract: A heat exchanger including: a heat exchanger core including a top head; a bottom head, a first casing disposed between the top head and the bottom head, a second casing disposed between the top head and the bottom head, wherein an inner surface of the first casing is opposite an inner surface of the second casing, an inlet on the first casing, the second casing, or combination thereof, an outlet on the first casing, the second casing, or combination thereof, and a rib disposed between the first casing and the second casing, wherein the rib, the first casing, and the second casing define a flow passage between the inlet and the outlet; a pressure vessel; an inlet member on the inlet, which connects the inlet to an outside of the pressure vessel; and an outlet member on the outlet, which connects the outlet to an outside of the pressure vessel, wherein the bottom head, the first casing, and the second casing are contained entirely within the pressure vessel.