Abstract: A water treatment system of coupling a heat pump with multi-effect evaporation that comprises a lithium bromide absorption-type heat pump circulation system, a multi-effect evaporation circulation system and a compression-type heat pump circulation system is provided. The vapor in a tail-end evaporator of the multi-effect evaporation circulation system is introduced into a generator in the absorption-type heat pump to release heat and condense. A dilute solution in an absorber of the absorption-type heat pump is introduced into a first-effect evaporator to be evaporated by a treated water, and a condensation heat of the vapor generated by the generator of the absorption-type heat pump is recovered by an evaporator of a compressor heat pump, and another air source evaporator absorbs heat from ambient air to supply heat for the generator by a heat pump condenser.

Abstract: A portable dehumidifying chamber includes a frame of a structure configured to include a first zone, a second zone, and a third zone, where a plurality of exterior walls coupled to the frame of the structure isolate the first zone, the second zone, and third zone from surrounding environmental conditions. A heating device disposed in the first zone to facilitate heated air flow from the first zone to the third zone, where the heated air flow contacts an object disposed in the second zone to facilitate dehumidification of the object. A conduit connecting the third zone to the first zone, where the conduit allows for humidified air flow to bypass the second zone, where the conduit includes a moisture removing apparatus. A first vapor barrier material separates the first zone and the second zone and a second vapor barrier material separates the second zone and the third zone.

Abstract: A data center cooling system includes an evaporative cooling system. The evaporative cooling system includes fans configured to circulate outside air at ambient conditions through an entry zone of a data center, and atomizers positioned upstream of the entry zone configured to spray atomized water into the circulating outside air. The atomized water evaporates in an evaporation zone and cools the outside air to produce cooled air, which is directed through racks of computers positioned downstream of the evaporation zone.

Abstract: An aircraft air conditioning system including a process air line having a first end connected to a process air source to allow a flow of process air therethrough. A ram air channel of the air conditioning system allows ambient air flow therethrough. A heat exchanger unit is disposed in the process air line and arranged within the ram air channel to thermally couple process air flowing through the process air line to ambient air flowing through the ram air channel. A water extractor disposed in the process air line downstream of the heat exchanger unit extracts water from the process air. A water supply system supplies extracted water into the ram air channel. The water supply system has a control arrangement to control a fluid connection between the water extractor and the ram air channel in dependence on an operating state of the aircraft air conditioning system.

Abstract: A method for operating a refrigerator appliance is provided. The method includes selecting a higher humidity setting or a lower humidity setting. A fan of the refrigerator appliance is operated in a first manner if the higher humidity setting is selected, and the fresh food fan is operated in a second, different manner if the lower humidity setting is selected. The method can assist with regulating humidity within a chilled chamber of the refrigerator appliance.

Abstract: A humidity control apparatus has a humidity control apparatus having a humidifying part for humidifying air and a dehumidifying part for dehumidifying to control humidity of a humidity control space. The dehumidifying part has: a main body part that is configured to encapsulate a working fluid therein and to cause a heat-pipe phenomenon. A heat-insulating part fits externally to the main body part and a heat absorption part absorbs heat from a base side part located on one side of the main body part in relation to the heat-insulating part and thereby condenses the working fluid that evaporated into gas in a front side part located on the other side of the main body part in relation to the heat-insulating part. The dehumidifying part dehumidifies the air by means of the front side part of the main body part where the working fluid in liquid form evaporates.

Abstract: An evaporative cooled condenser unit employs a quiet motor/fan system that pulls air across an evaporative media pad, through a drift eliminator and delivers cool air to a condensing unit of an air conditioner thereby increasing the operating efficiency of the air conditioner. A condenser enclosure into which the cool air is delivered is adjustable for various sizes of condenser units and contains a plurality of barometric dampers to provide failsafe operation and provide for external air flow to the condenser during heat pump operation or when the auxiliary cooling module is disabled.

Abstract: An air conditioning system includes a dehumidifier, a regenerator, and a refrigeration system. The dehumidifier removes water from a first airflow using a liquid desiccant. The regenerator transfers water from the dilute desiccant into a second airflow. The refrigeration system can be selectively used to provide heat to the desiccant in the regenerator to more effectively remove the water from the dilute desiccant. An external heat source can also be used to heat the desiccant in the regenerator to more effectively remove the water from the dilute desiccant. The refrigeration system and the external heat source can each be used separately to heat the desiccant, or the desiccant can be heated by both heat sources simultaneously.

Abstract: Methods and systems are provided for air conditioning, capturing combustion contaminants, desalination, and other processes using liquid desiccants.

Abstract: Methods and systems are disclosed for utilizing liquid desiccant air conditioning systems in connection with existing HVAC equipment to achieve reductions in electricity consumption.

Abstract: Methods and systems are provided for air conditioning, capturing combustion contaminants, desalination, and other processes using liquid desiccants.

Abstract: An indirect evaporative cooler for cooling inlet supply air from a first temperature to a second, lower temperature using a stream of liquid coolant and a stream of exhaust or purge air. The cooler includes a first flow channel for inlet supply air and a second flow channel adjacent the first for exhaust air. The first and second flow channels are defined in part by sheets of a membrane permeable to water vapor such that mass is transferred as a vapor through the membrane from the inlet supply air to a contained liquid desiccant for dehumidification and also to the exhaust air as heat is transferred from the inlet supply air to the liquid coolant. A separation wall divides the liquid desiccant and the coolant but allows heat to be transferred from the supply air to the coolant which releases water vapor to the counter or cross flowing exhaust air.

Abstract: A scaleable indirect evaporative cooler system (10) fitted within a container incorporates a plurality of dry and wet passage heat exchangers (30) where the dry passages of the plurality of heat exchangers feed into a common space (32) from which conditioned air is delivered via a delivery fan (40) downstream of the dry passages of the heat exchangers. An exhaust fan 22 draws air from the common space (32) through the wet passages of the heat exchanger to a common exhaust space (34) before being exhausted to atmosphere via the exhaust fan (22).

Abstract: A humidity control apparatus and an air-conditioning system are capable of controlling the latent heat processing amount and the sensible heat processing amount in accordance with an indoor heat load without decreasing the operation efficiency. Every time an air route is switched to an air route A or an air route B, the route maintenance time for the switched air route is set on the basis of the heat load within a dehumidification target space, and switching of switching devices is controlled such that the set route maintenance time is ensured.

Abstract: Apparatus, systems, and methods provide for the cooling of an aircraft subsystem. Coolant is routed through a heat-producing subsystem to absorb heat from the subsystem and to maintain the subsystem at a desired temperature. Bleed air from an aircraft engine is cooled, dehumidified, and routed to a cooling mechanism. In the cooling mechanism, a portion of the heated coolant is evaporated into the dehumidified bleed air, cooling the remaining coolant. The reduced-temperature coolant is routed back to the subsystem to absorb further heat. Humid air from the cooling mechanism and the dehumidifying mechanism is utilized by other aircraft subsystems.

Abstract: A closed space forming unit (41-48) forms a closed space (37, 38) around an adsorption member (51, 52) supporting thereon an adsorbent for desorbing and adsorbing moisture. An active species generating unit (101, 102) supplies active species, for decomposing odorous components, into the closed space (37, 38).

Abstract: An overall restoration system useful in removing moisture from structures is provided. The contemplated system includes a power and control device, a series of sensors, and a number of various different drying equipment, all capable of communication with a remote server. The system is highly portable, flexible and cost-efficient to manufacture and operate.

Abstract: Recuperation systems and methods are applied to vapor compression cycles in dehumidification, such as in air conditioning. In some embodiments, a method for dehumidification includes introducing a refrigerant from a heating unit to a cooling unit along a first path; introducing the refrigerant from the cooling unit to the heating unit along a second path different from the first path; introducing the refrigerant from the heating unit to the cooling unit along a third path different from the first path; and contacting the cooling unit and the heating unit with a first gas stream.

Abstract: An apparatus for conditioning an inlet air stream. A first stage is provided with a dehumidifier cooling an air stream input by absorption of water vapor from the input air stream. A second stage is provided with an indirect evaporative cooler to receive a cooled portion of the input air stream and sensibly cool the received portion of the input air stream to a temperature range near the dew point temperature. A first portion of the sensibly cooled air stream is exhausted to a cooled space while a second portion is directed to a wet side of the indirect evaporative cooler and receives heat to sensibly cool the input air stream. A flow channel for the second portion of the sensibly cooled air stream in the indirect evaporative cooler is defined by a surface of a separation wall covered with wicking material acting to wick a stream of liquid coolant.

Abstract: An electric re-heat dehumidification apparatus to dehumidify a conditioned space is provided and includes a conditioning unit to produce an output airstream including overcooled air to be provided to the conditioned space to overcool the conditioned space during the dehumidifying of the conditioned space, a resistive element disposed within an output airstream of the conditioning unit, which, when activated, heats the overcooled air of the output airstream and a controller, operably coupled to the resistive element, to activate the resistive element in accordance with information of the conditioning unit, the resistive element and a temperature of the conditioned space to limit the overcooling of the conditioned space.

Abstract: An integrated air conditioner that controls the operation of a water feed device according to the mode of use. The air conditioner includes a control section that determines whether or not exhaust heat from a condenser 3 is being released outdoors through an exhaust duct 7 according to whether or not an air intake duct 26 or an exhaust duct 7 is fitted, operates a water feed device 8 for leading drain wafer collected in the drain pan to the condenser 3 during both of a cooling operation and a dehumidifying operation if it determines that the heat to be released from the condenser 3 is being released outdoors, and operates the water feed device 8 during the cooling operation and stops the operation of the water feed device 8 during the dehumidifying operation if it determines that the exhaust heat from the condenser 3 is not being released outdoors.

Abstract: The invention relates to a cooling apparatus, especially for cryogenically preserving biological samples, comprising a duct (5) for delivering a coolant (3) to a cooling chamber (1), a heater (6) that has an adjustable first heating performance (P2) for heating the coolant (3) delivered to the cooling chamber (1), a first temperature sensor (8-10) for measuring the temperature (T2-T4) in the cooling chamber (1), a second temperature sensor (7) for measuring the temperature (T1) of the coolant (3) delivered to the cooling chamber (1), and a regulator (11) for regulating the temperature. Said regulator (11) is embodied as a multiple regulator which detects several temperatures (T1-T4) as control variables and/or adjusts several heating performances (P1, P2) as manipulated variables. The invention further relates to a corresponding operating method.

Abstract: A hot and cold food holding appliance including (1) Positioning a heat transfer plate above the top of food holding pans forming the top surface of each food holding compartment. (2) Providing a heat transfer module to transfer energy to/from the food holding pans in each compartment. (3) Thermally isolating each heat transfer module from an adjacent heat transfer module. (4) Removable heat transfer partitions that can used to subdivide each food holding compartment into sections providing additional heat transfer capability along the sides of each food holding pan and blocking the flow of ambient air between the food holding pans. (5) A control system that regulates the temperature of each food holding compartment by sensing the temperature of each heat transfer module and adjusting the amount of heat energy to be transferred.

Abstract: An energy exchanger is provided. The exchanger includes a housing having a front and a back. A plurality of panels forming desiccant channels extend from the front to the back of the housing. Air channels are formed between adjacent panels. The air channels are configured to direct an air stream in a direction from the front of the housing to the back of the housing. A desiccant inlet is provided in flow communication with the desiccant channels. A desiccant outlet is provided in flow communication with the desiccant channels. The desiccant channels are configured to channel desiccant from the desiccant inlet to the desiccant outlet in at least one of a counter-flow or cross-flow direction with respect to the direction of the air stream.

Abstract: A method and apparatus are configured for providing thermal comfort (i.e., climatic conditioning) within an interior space of a building structure in multiple climate zones including hot and humid climates using very low energy consumption. Multiple water vapor phase change cycles are provided within a period of time where only a single such water vapor phase change cycle would typically take place under naturally occurring ambient conditions. These multiple water vapor phase change cycles are generated through artificially creating conditions within a hygroscopic heat sink mass for promoting water vapor phase change cycle. Advantageously, in combination with such artificially promoted water vapor phase change cycles, embodiments of the present invention provide hygroscopic properties and heat sink masses made from materials that can adsorb and retain thermal energy and that exhibit water vapor sorption/desorption attributes commonly associated with compositions referred to as desiccants.

Abstract: An evaporative cooled condenser unit employs a quiet motor/fan system that pulls air across an evaporative media pad, through a drift eliminator and delivers cool air to a condensing unit of an air conditioner thereby increasing the operating efficiency of the air conditioner. A condenser enclosure into which the cool air is delivered is adjustable for various sizes of condenser units and contains a plurality of barometric dampers to provide failsafe operation and provide for external air flow to the condenser during heat pump operation or when the auxiliary cooling module is disabled.

Abstract: By cooling a metal plate, a water film is generated on a surface of the metal plate due to dew condensation, in a linear increase amount process and at before stage of saturation, the generation water is flipped off, and the generation water film is peeled off forcibly from the metal plate and water collection is carried out. It provides the metal plate, a cooler for cooling the metal plate, and a water film peeling-off mechanism for flipping off forcibly and peeling off forcibly the water film generated on the surface of the metal plate. A water collection metal plate wherein with the metal plate having the surface in which an effective surface of after processing is enlarged to a surface area before processing, the water film is generated to the surface of the metal plate by dew condensing moisture in atmosphere, the generation water film is flipped off forcibly and peeling off from the metal plate, thereby the water collection is carried out.

Abstract: Provided are a refrigerator and a drawer for a refrigerator. The drawer for the refrigerator includes a receiving member received in the refrigerator to provide a receiving space for receiving foods, an induction member disposed inside the receiving member to induce a formation of moisture on a surface thereof, an indicating member disposed inside the receiving member, the indicating member comprising an indicating part for indicating a humidity state to the outside, and a transmission part providing a space through which the moisture flows, together with the indicating member.

Abstract: Methods and systems are provided for air conditioning, capturing combustion contaminants, desalination, and other processes using liquid desiccants.

Abstract: Recuperation systems and methods are applied to vapor compression cycles in dehumidification, such as in air conditioning. In some embodiments, a method for dehumidification includes introducing a refrigerant from a heating unit to a cooling unit along a first path; introducing the refrigerant from the cooling unit to the heating unit along a second path different from the first path; introducing the refrigerant from the heating unit to the cooling unit along a third path different from the first path; and contacting the cooling unit and the heating unit with a first gas stream.

Abstract: The present invention is directed at a solar powered heat exchange system preferably used to drive a water collection device, which condenses water vapor in atmospheric air to water. The device comprises means for drawing the atmospheric air into the device; means for condensing the moisture vapor in the atmospheric air into water; and means for collecting the water.

Abstract: A heat pump system for conditioning air supplied to a space is provided. The system includes a pre-processing module that pre-conditions supply air. A supply air heat exchanger is in flow communication with the pre-processing module. The supply air heat exchanger receives air from the pre-processing module and at least one of heats or cools the air from the pre-processing module. A processing module is in flow communication with the supply air heat exchanger. The processing module receiving and conditioning air from the supply air heat exchanger. A regeneration air heat exchanger is provided to at least one of heat or cool regeneration air. The regeneration air heat exchanger and the supply air heat exchanger are fluidly coupled by a refrigerant system.

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

Abstract: A system for cooling a space in a vehicle comprises a sorption wheel, at least one heat exchanger, at least a first humidifier unit and at least one fuel cell, wherein the sorption wheel is adapted for drying ambient air and for conveying dried process air to the downstream heat exchanger and the heat exchanger is adapted for cooling process air, with the heat exchanger being connected to the first humidifier unit for humidifying cooled process air, and wherein the fuel cell is connected to the sorption wheel and adapted for making available fuel cell exhaust air for regenerating the sorption wheel and water to be introduced into the first humidifier unit.

Abstract: The invention relates to an apparatus for creating an air-conditioned atmosphere in a transportation container (14), having a compressor (3) for generating compressed air, a cooling device (5) for cooling the compressed air and a gas-separation diaphragm (10), which is connected downstream of the compressor (3) and the cooling device (5), for producing a nitrogen-rich gas stream, and a wetting diaphragm (12), with the apparatus permitting controlled wetting of the nitrogen-rich gas stream. The invention also relates to a method for creating an air-conditioned atmosphere in a storage or transportation container, in which method compressed air is generated by means of a compressor, the compressed air is then cooled using a cooling device and a nitrogen-rich gas stream is produced from the compressed air for the purpose of conduction into the transportation container by means of a gas-separation diaphragm.

Abstract: A cross-flow heat exchanger, method of making a cross-flow heat exchanger, and a dehumidifier are provided. The cross-flow heat exchanger has an axial flow path extending through the heat exchanger from an inlet to an outlet and a transverse flow path oriented transversely to the axial flow path and extending through the heat exchanger from an inlet to an outlet. The transverse flow path is adjacent to and separate from the axial flow path. The surface area of the inlet of the axial flow path is less than the surface area of the outlet of the axial flow path. In a preferred embodiment, the heat exchanger has an exterior shape that is trapezoidal.

Abstract: A water producing system adapted to condense water from the air and collected in a storage tank were the water is purified and bacteria is killed. An additive device is configured to supplement additives to the water such as minerals. An additive control system supplements the water and controls the amount of additives therein. One form of killing the bacteria is utilizing an ozone injection system with a filter system to remove the ozone before the water is dispensed.

Abstract: An indirect evaporative cooler for cooling inlet supply air from a first temperature to a second, lower temperature using a stream of liquid coolant and a stream of exhaust or purge air. The cooler includes a first flow channel for inlet supply air and a second flow channel adjacent the first for exhaust air. The first and second flow channels are defined in part by sheets of a membrane permeable to water vapor such that mass is transferred as a vapor through the membrane from the inlet supply air to a contained liquid desiccant for dehumidification and also to the exhaust air as heat is transferred from the inlet supply air to the liquid coolant. A separation wall divides the liquid desiccant and the coolant but allows heat to be transferred from the supply air to the coolant which releases water vapor to the counter or cross flowing exhaust air.

Abstract: A method and apparatus for ensuring a user to change a filter dryer of a refrigerant recovery unit having a refrigerant determining module that is configured to determine a condition of the refrigerant or an amount of refrigerant that has passed through the filter dryer, or a condition of the filter dryer, an alert device that notifies the user to change the filter dryer in response to the condition, a pressure module that regulates the pressure in the filter dryer, and a pressure-sensing device that is configured to detect a change of pressure in response to filter dryer maintenance. The refrigerant recovery unit is disabled from recovering refrigerant when the refrigerant determining module determines that the filter dryer needs to be replaced, and it is activated in response to the change of pressure detected by the pressure-sensing device.

Abstract: Process and device for generating a current of humid air having a defined relative humidity comprising the steps of generating a current of air in a tubing arrangement, generating hot water vapor, introducing the water vapor into the air current to generate flowing hot humid air, passing the hot humid air through a water separator while lowering the temperature of the humid air below the dew point temperature to generate saturated humid air having a defined temperature, heating the humid air coming from the water separator above the defined temperature to achieve a defined relative humidity, and discharging the humid air from the tubing arrangement as a current of humid air having a relative humidity of not less than 80%.

Abstract: An automotive air conditioning system is disclosed comprising an evaporative cooler in series with the conventional vapor compression system. The evaporative cooler comprises an array of dry channels and a contiguous array of wet channels. The primary air stream to be conditioned by the evaporator of the conventional air conditioning system is preconditioned by the evaporative cooler by lowering its dry bulb temperature without changing its absolute humidity. An evaporator core is supported downstream of the evaporative cooler for receiving the primary air from the dry channels and thereby produces liquid condensate. The system is distinguished by conducting the liquid condensate from the evaporator core to the wicking tank for use in the wet channels of the evaporative cooler.

Abstract: The invention relates to an apparatus for creating an air-conditioned atmosphere in a transportation container (14), having a compressor (3) for generating compressed air, a cooling device (5) for cooling the compressed air and a gas-separation diaphragm (10), which is connected downstream of the compressor (3) and the cooling device (5), for producing a nitrogen-rich gas stream, and a wetting diaphragm (12), with the apparatus permitting controlled wetting of the nitrogen-rich gas stream. The invention also relates to a method for creating an air-conditioned atmosphere in a storage or transportation container, in which method compressed air is generated by means of a compressor, the compressed air is then cooled using a cooling device and a nitrogen-rich gas stream is produced from the compressed air for the purpose of conduction into the transportation container by means of a gas-separation diaphragm.

Abstract: A dehumidifier includes an air flow path with first, second and third segments in series from upstream to downstream and passing ambient air respectively to an evaporator coil then to a condenser coil and then discharging same. The air flow path has a fourth segment passing ambient air to the condenser coil in parallel with the noted second air flow path segment.

Abstract: In an air conditioner, the air conditioner includes a casing having an indoor space region in which a first heat exchanger is installed and an outdoor space region in which a second heat exchanger is installed; a cross flow fan installed in the outdoor space region and generating air flow so as to make outdoor air pass the second heat exchanger and release heat to the outside; and a condensate water scattering means for scattering condensate water gathered in a bottom region of the casing to the second heat exchanger.

Abstract: An HVAC system includes a desiccant wheel, wherein the wheel's speed varies with airflow, the wheel is energized for at least a set period at startup, and/or a heat recovery system (e.g., an air-to-air heat exchanger) upstream of the wheel enhances the system's ability to dehumidify air.

Abstract: A transpiration cooled heat sink, a self contained coolant supply and a method of using a transpiration cooled heat sink and a self contained coolant supply is provided and includes a heat sink base structure, the heat sink base structure having a coolant inlet for receiving a coolant and a coolant outlet for distributing a coolant, wherein the heat sink base structure defines at least one coolant channel disposed so as to be communicated with the coolant inlet and the coolant outlet and a coolant distribution structure, wherein the coolant distribution structure defines at least one distribution cavity and includes at least one distribution inlet communicated with the distribution cavity and wherein the coolant distribution structure is disposed relative to the heat sink base structure such that the distribution inlet is communicated with the coolant outlet.

Abstract: A dehumidifier includes an air flow path with first, second and third segments in series from upstream to downstream and passing ambient air respectively to an evaporator coil then to a condenser coil and then discharging same. The air flow path has a fourth segment passing ambient air to the condenser coil in parallel with the noted second air flow path segment.

Abstract: A dehumidifier includes an impeller in a cabinet downstream of a condenser coil and drawing air through the cabinet from upstream to downstream through first, second and third segments of an air flow path from an evaporator coil to the condenser coil.

Abstract: A dehumidifier includes a compressor delivering hot compressed refrigerant, a desuperheater coil receiving refrigerant from the compressor and condensing same, a condenser coil receiving refrigerant from the desuperheater coil and condensing same, an expansion device receiving refrigerant from the condenser coil and expanding same, and an evaporator coil receiving refrigerant from the expansion device and evaporating same and delivering the refrigerant to the compressor, in a refrigeration cycle.

Abstract: There is provided a system for pumping thermal energy. The system includes (a) a heater for heating a liquid, (b) a gas-liquid contactor for adding vapor from the liquid to a process gas to produce a vapor-containing gas, and (c) a membrane permeator for removing the vapor from the vapor-containing gas and for providing a resultant vapor. The system transfers a quantity of thermal energy from the heater to the resultant vapor.