Abstract: In some embodiments, systems and methods are provided that limit the change in temperature and/or control a temperature of a product during delivery. Some embodiments provide systems to limit temperature changes, comprising: an evaporative product cooling system comprising: a product cavity that supports a product while the product is transported to a delivery location, wherein the product cooling system comprises an interior wall defining the product cavity, an exterior wall, an evaporative cavity between the interior and exterior walls, a coolant dispensing system, at least one evaporative opening, and a temperature sensor; and a temperature control circuit configured to receive temperature data from the temperature sensor while the product is in transit, determine that a temperature of the product is greater than a transport temperature threshold, and autonomously activate the coolant dispensing system to release evaporative coolant into the evaporative cavity while the product is transported.

Abstract: A dehumidifier includes a dehumidification system. The dehumidification system includes an air inlet, a cold energy storage, an evaporator, the cold energy storage, a condenser, and an air outlet for air to pass in sequence. The air inlet and the air outlet are disposed on a main body of the dehumidifier. The evaporator, the cold energy storage, and the condenser are fixedly mounted in the main body. The evaporator is used to cool the air so that moisture in the air is condensed into water droplets. A water tray is provided under the evaporator to collect the water droplets. The cold energy storage is disposed between the evaporator and the water tray for collecting the water droplets, absorbing cold energy and cooling the passing air. The condenser is used to heat the air to form dry air. The cold energy storage is to cool the air in advance, so that the moist and hot air becomes low-temperature and high-humidity air.

Abstract: A heat pump system comprises two units in fluid communication with each other, with each unit including a housing containing an air/brine heat exchanger that includes a direct contact air/brine heat exchanger pad. A brine inlet in the housing supplies liquid brine to the upper end of the air/brine heat exchanger so that the brine flows downwardly through the heat exchanger pad. An air inlet in the housing directs ambient air into the heat exchanger pad in a direction transverse to the flow of brine through the pad, and an air outlet discharges the air from the housing. A brine reservoir receives brine passed through the air/brine heat exchanger. A pair of brine/refrigerant heat exchangers is coupled to the brine reservoirs, for receiving brine from the reservoirs, and coupled to the brine inlets of different ones of the housings, and a refrigerant supply supplies refrigerant to the brine/refrigerant heat exchangers.

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: A method and system for dry aging the meat product uses a 12 volt DC powered portable unit comprising a plastic box configured for housing the primal cut of meat and placed inside a refrigeration system. The box is further equipped with an internal and external blower to control the air circulation and humidity respectively inside the box. A germicidal UV light disposed within the plenum in front of the internal blower to provide germicidal action on the dry aging meat product. A PCB controller placed on top of the box embedded with software and a humidistat to control the humidity inside the box and maintaining a closed micro environment to dry age the meat product with desired texture, flavor and tenderness.

Abstract: A dehumidifier includes a wheel-shaped desiccant, a first fan, and a second fan. The wheel-shaped desiccant is configured to rotate in a clockwise direction when viewed from above. The first fan is configured to generate a process airflow that flows through a first portion of the wheel-shaped desiccant in order to provide dehumidification. The process airflow enters a first side of the wheel-shaped desiccant and exits a second side of the wheel-shaped desiccant, the first being opposite from the second side. The second fan is configured to generate a reactivation airflow that flows through a second portion of the wheel-shaped desiccant in order to dry the wheel-shaped desiccant. The reactivation airflow enters the second side of the wheel-shaped desiccant and exits the first side of the wheel-shaped desiccant.

Abstract: A refrigerator includes a body, a refrigerating compartment provided inside the body, a freezing compartment positioned at a lower portion of the refrigerating compartment and provided inside the body, an ice-making compartment provided inside the body and provided with an insulated space that is separated from the refrigerating compartment and the freezing compartment, and an ice-making compartment door to insulate the ice-making compartment from an outside and rotatably installed at the body as to open/close the ice-making compartment. Cooling efficiency is improved by completely separating the ice-making compartment from the freezing compartment and the refrigerating compartment, and user convenience is improved by separately installing the ice-making compartment door.

Abstract: The present invention corresponds to a device for extracting water from the environment by means of a liquid desiccant. The device comprises a means for capturing water from the environment using a liquid desiccant, an extraction chamber, a first duct through which liquid desiccant with water flows from the capture means to the extraction chamber, a second duct through which liquid desiccant flows from the extraction chamber to the capture means, a reservoir for depositing water extracted from the liquid desiccant in the extraction chamber, a third duct through which water flows from the extraction chamber to the reservoir, a means to create a vacuum within the extraction chamber, and a control device that controls the heating element. The extraction chamber comprises a container located at the bottom of the extraction chamber, in which the water captured by the liquid desiccant is extracted and a heating element located within the container.

Abstract: A heat pump system for conditioning outside air supplied to a building is provided. The system includes a pre-processing module that receives and cools air when the system is operating in a summer mode. A supply air heat exchanger is in flow communication with the pre-processing module. The supply air heat exchanger receives and cools air from the pre-processing module in the summer mode. A processing module is in flow communication with the supply air heat exchanger. The processing module receives and dehumidifies saturated air from the supply air heat exchanger in the summer mode.

Abstract: A humidification device includes: an adsorber having an adsorbent that adsorbs and desorbs moisture; an adsorption case that forms an accommodating space to accommodate the adsorber; a first introduction portion that introduces cooled air produced by a cooling portion into the adsorption case; a second introduction portion that introduces heated air produced by the heating portion into the adsorption case; and a humidification-side guiding portion that guides humidification air humidified by the moisture desorbed within the adsorption case, to the vehicle interior. The first introduction portion is connected to a bottom surface portion of the air-conditioning case on the air-flow downstream side of the cooling portion in the air-conditioning case.

Abstract: A humidification device includes: an adsorber having an adsorbent that adsorbs and desorbs moisture; an adsorption case that forms an accommodating space to accommodate the adsorber; a first introduction portion that introduces cooled air produced by a cooling portion into the adsorption case; a second introduction portion that introduces heated air produced by the heating portion into the adsorption case; and a humidification-side guiding portion that guides humidification air humidified by the moisture desorbed within the adsorption case, to the vehicle interior. The first introduction portion is connected to one of an upper surface portion and a side surface portion of the air-conditioning case, on an air-flow downstream side of the cooling portion in the air-conditioning case.

Abstract: To provide a refrigeration system capable of being installed efficiently in a limited space while ensuring a good reliability, the refrigeration system according to the present invention comprises a refrigeration cycle having: a circulation path (101) in which a refrigerant flows; and at least one compressor (102) for compressing the refrigerant, a heat exchanger (103) for cooling the refrigerant compressed by the compressor, at least one expansion turbine (104) for expanding the refrigerant cooled by the heat exchanger to generate cold heat, and a cooling part (105) for cooling an object to be cooled by the cold heat, which are provided on the circulation path in order, wherein at least either the at least one compressor or the at least one expansion turbine comprises a plurality of compressors or expansion turbines which are arranged in parallel with one another with respect to the circulation path.

Abstract: A system for removing heat from electrical systems includes a dehumidification device including a desiccant, an evaporative cooling device, air moving devices, and an air flow control devices. The air moving device moves air through the dehumidification device, the evaporative cooling device, and the electrical systems. The air flow control device controls a rate of flow through the dehumidification device.

Abstract: A data center can include at least one computing room, and at least one rack system disposed in the computing room. The rack system includes a rack housing and a plurality of computing devices mounted to the rack housing. The data center can further include a cooling system that includes at least one surface that is wetted with a liquid, and delivers source air across the at least one surface such that heat is transferred from the source air to the liquid so as to produce cold air. The cold air then flows into a cold air aisle and is received in the computing devices so as to cool the computing devices.

Abstract: A split liquid desiccant air conditioning system is disclosed for treating an air stream flowing into a space in a building. The split liquid desiccant air-conditioning system is switchable between operating in a warm weather operation mode wherein the system provides cooling and dehumidification, and a cold weather operation mode wherein the system provides heating and humidification, as well as into a mode wherein the system provides heated, dehumidified air to a space.

Abstract: A humidity regulating system comprises: a plurality of humidity adjusting devices to adsorb or vaporize the mist and water of the humidity adjusting rooms, a water regulating device to regulate the water supply to the humidity adjusting devices, a main controlling device to control the humidity regulating system, a communication connecting device to connect the plurality of humidity adjusting devices with the water regulating device and the main controlling device, and a remote controlling device which includes a remote controlling means to communicate with the main controlling device so as to regulate the plurality of humidity adjusting devices to adjust the humidity of the rooms.

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 refrigerant channel switching unit is disposed between a heat source unit and a utilization unit to switch flow of refrigerant in the refrigerant circuit. The refrigerant channel switching unit includes a first refrigerant pipe connected to a suction gas communicating pipe, a second refrigerant pipe connected to a high-low pressure gas communicating pipe, third and fourth refrigerant pipes, and first and second electric valves mounted to the first and second refrigerant pipes, respectively. The third refrigerant pipe is connected to the first and second refrigerant pipes and a gas pipe. The fourth refrigerant pipe is connected at ends to a liquid communicating pipe and a liquid pipe. A minute channel is formed in the first or second electric valve. The minute channel enables the refrigerant to flow through the minute channel even when an opening degree of the valve is set to be the lowest degree.

Abstract: Provided is an air ventilating and sterilizing apparatus made of copper plates. The apparatus has a plurality of copper plates to form a plurality air passages for inflowing air, and another plurality of air passages for outflowing air, through which the air flows out and in, and heat is exchanged and air is sterilized while the air flows through the air passages defined by the copper plates each having protruded areas to enlarge the entire surfaces of the plate in contact with the air to maximize the heat exchanging and sterilizing effects of the apparatus.

Abstract: A transcritical R-744 refrigeration system, especially used for refrigerating a skating rink, has a heat exchanger between the gas cooler followed by a throttling device and the flash tank (or receiver), in order to eliminate the need of a flash-gas bypass. The heat exchanger connects to an external mechanical refrigeration system operating at a higher evaporating temperature than the transcritical R-744 refrigeration system, and generally totally condenses the vapor of the R-744 refrigerant before it reaches the flask tank. A method for improving the energy efficiency of the transcritical R-744 refrigeration system is also disclosed.

Abstract: The present disclosure relates to reducing formation of condensate in a battery compartment using a dehumidification chamber in which air is conditioned prior to entering the battery compartment. In one embodiment, a cooling system may be configured to produce a flow of coolant. The dehumidification chamber configured to receive a flow of ambient air from an environment. A heat transfer device may be in thermal communication with the dehumidification chamber and configured to receive the flow of coolant. The heat transfer device may produce a flow of conditioned air from a thermal interaction between the flow of coolant and the flow of ambient air. The battery compartment may house a battery and may receive the flow of conditioned air and the flow of coolant. In some embodiments, the flow of coolant may pass through the heat transfer device before the flow of coolant passes through the battery compartment.

Abstract: In an adsorption operation in which the adsorption agent adsorbs water, air in a vehicle compartment flows into an adsorption agent module after being cooled by passing around a heat sink. On the other hand, in a desorption operation in which the water is desorbed from the adsorption agent, the air in the vehicle compartment flows into the adsorption agent module to be humidified without being heated or cooled, and humidified air is cooled by passing around the heat sink and blown into the vehicle compartment. Accordingly, a temperature of the humidified air can be prevented from increasing unnecessarily by a simple configuration with which the air in the vehicle compartment is cooled in the heat sink.

Abstract: Disclosed therein is an air conditioner for a vehicle, which includes: a bypass passageway formed at a lower portion of an air-conditioning case which bypasses cold air and warm air passageways; a regeneration passageway formed at the lower portion of the air-conditioning case for supplying the air passing through the bypass passageway to a regeneration part of the desiccant rotor; and a heater having one side area arranged on the bypass passageway and the other side area arranged on the warm air passageway.

Abstract: This invention provides a temperature and humidity independent control air conditioning system, comprising a high temperature cooling unit, a low temperature cooling unit, a humidity processing unit, and an indoor unit, wherein the coolant with a first temperature provided by the high temperature cooling unit flows into the indoor unit and then its temperature becomes a second temperature; the coolant with a third temperature provided by the low temperature cooling unit flows into the humidity processing unit; the coolant with the second temperature is divided to the low temperature cooling unit. With this invention, temperature and humidity independent control can be realized with high efficiency.

Abstract: A system (S) for regulating temperature and humidity in an enclosure (20), including: a thermal storage (5), a desiccant fluid (F), a second fluid (F?) consisting at least partially of water, wherein the second fluid (F?) includes an equilibrium humidity above the liquid desiccant, and a first and a second trickle element (1, 2), wherein the system (S) includes a first cycle (3), which is configured to supply the desiccant fluid (F) to an inlet (I) of the first trickle element (1), to let the desiccant fluid (F) pass a surface of a heat exchanger (6) for transferring heat between said first cycle (3) and a second fluid cycle (4) containing said second fluid (F?), and to pass back the desiccant fluid (F) to the inlet (I) of the first trickle element (1), wherein in said second cycle (4) the second fluid (F?) is supplied to an inlet (I?) of the second trickle element (2) and a run back (R) is connected to the inlet (I) of the second trickle element (2) after passing the surface of the heat exchanger (6), wherei

Abstract: A dehumidification system includes a first dehumidification unit having an outdoor air cooling heat exchanger, a second dehumidification unit using two adsorption heat exchangers such that an air passage is switched, and a third dehumidification unit having an adsorption rotor. Low-temperature low-humidity air cooled and dehumidified in the second dehumidification unit is supplied to the third dehumidification unit to reduce energy for recovery of the third dehumidification unit and to realize energy conservation in the dehumidification system and reduction in cost of the dehumidification system.

Abstract: A coupled air-conditioning device including a dehumidification system and a vapor compression-type refrigeration system which are connected through a pipeline. The vapor compression-type refrigeration system is a closed circuit including an evaporator, a compressor, a condenser and an expansion valve. The dehumidification system includes a desiccant-wheel with a regeneration area and a processing area, a processing air blower, a regeneration air blower and an electric motor driving the desiccant-wheel to rotate. The processing air blower and the regeneration air blower are provided with an exhaust port. The condenser includes a phase-change condensation heat exchanger and a refrigerant gas cooler. The refrigerant gas cooler operates to cool the overheated refrigerant discharged from the compressor into a saturated refrigerant in gas state, employing a structural form of a tube-fin heat exchanger comprising a heat exchange tube and a fin piece.

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 humidity control apparatus performs a humidification operation in which outdoor air is supplied to the inside of a room through a moisture-desorption adsorption heat exchanger serving as a condenser and room air is discharged to the outside through a moisture-absorption adsorption heat exchanger serving as an evaporator. The humidity control apparatus includes a preheat heat exchanger which, in the humidification operation, is positioned upstream of the moisture-desorption adsorption heat exchanger in the flow of outdoor air in an air passage and serves as a condenser to heat outdoor air in a refrigerant circuit, and a heat-recovery heat exchanger which, in the humidification operation, is positioned downstream of the moisture-absorption adsorption heat exchanger in the flow of room air in the air passage and serves as an evaporator to recover heat from room air in the refrigerant circuit.

Abstract: A double-medium circulation air conditioner for cooling, heating and humidifying comprises: a machine body having an air inlet and an air outlet provided thereon. A heat exchanging fan, a water circulation system, a refrigerant circulation system, a heat exchanger and a humidification system are provided in the machine body. The heat exchanger comprises a water heat exchanging pipe and a refrigerant heat exchanging pipe, which are winded or overlapped together without communicating with each other. The water circulation system is communicated with the water heat exchanging pipe of the heat exchanger. The refrigerant circulation system is communicated with the refrigerant heat exchanging pipe of the heat exchanger. The water circulation system comprises a downhole exchanger, and the humidification system comprises a humidifying water-storage grill set.

Abstract: Disclosed are a dehumidification apparatus, and an air conditioning apparatus and system having the same. The dehumidification apparatus includes: a desiccant rotor having a desiccant for adsorbing moisture; and a regeneration unit disposed at one side of the desiccant rotor, for desorbing the moisture adsorbed to the desiccant. The regeneration unit includes at least one of a hollow hot water line containing hot water exchanging heat with the air flowing toward the desiccant rotor. The dehumidification apparatus efficiently reproduces the desiccant for dehumidification and air conditioning.

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: There is provided a humidification device capable of performing humidification in as short a time as possible when an indoor humidity is low. A humidification device includes operation control means for selecting either a humidification priority mode or a normal operation mode based on a predetermined condition to operate the humidification device, and fans that can adjust airflow rates, and generates airflow passing through a condenser and an evaporator, wherein operation in the humidification priority mode is operation in which the airflow rates of the fans are decreased, as compared with operation in the normal operation mode, by which desorption of moisture from an adsorbent of the condenser and collection of moisture by an adsorbent of the evaporator are promoted, as compared with operation in the normal operation mode, so that humidification is given priority over ventilation.

Abstract: Dehumidifiers with improved airflow and fluid management features are disclosed herein. A dehumidifier configured in accordance with a particular embodiment includes a housing, a moisture removal component, and an airflow director. The housing at least partially defines an airflow path extending therethrough. The moisture removal component is positioned within the housing along a portion of the airflow path, and the airflow path enters the moisture removal component in a first direction. The airflow director adjacent to the moisture removal component extends in a plane that is generally parallel to the first direction.

Abstract: Embodiments of the present disclosure provide a system and method for providing conditioned air to at least one enclosed structure. The system may include at least one conditioning module configured to provide conditioned air to the at least one enclosed structure. The conditioning module(s) may include a conditioning energy exchanger. The conditioning module(s) is configured to circulate desiccant through a desiccant circuit to condition air passing through the conditioning energy exchanger. The conditioning module(s) may be configured to receive at least one of concentrated desiccant or diluted desiccant in order to vary temperature or concentration of the desiccant circulating through the desiccant circuit.

Abstract: The present disclosure provides an apparatus for treating air by using porous organic-inorganic hybrid materials as an absorbent, which comprises an inlet passage for receiving air from outside; a dehumidifying part comprising porous organic-inorganic hybrid materials as an adsorbent for removing moisture from the air receiving through the inlet passage; a regenerating unit for regenerating the adsorbent of the dehumidifying part; and an outlet passage for discharging the dehumidified air to outside. Said apparatus preferably comprises two dehumidifying parts of two-bed switching type and two switch valves, wherein said two dehumidifying parts are alternatively operated for dehumidification and for regeneration by switching said switch valves to convert direction of air flow.

Abstract: A method is disclosed for supplying air conditioned air to a residence or building interior. The method entails positioning a heat and mass exchanger to discharge conditioned air into the residence or building interior. Further, a rotatable desiccant wheel dehumidifier in positioned in fluid communication with the heat and mass exchanger. Supply air is received and treated in the dehumidifier, thereby supplying dry air to the heat and mass exchanger and exhausting hot humid air. The heat and mass exchanger is positioned and configured to received dry air from the dehumidifier and supply cooler dry air to the residence or building interior, or other target environment. A system is also disclosed for operating the described air supplying or air conditioning method.

Abstract: A ventilation device is provided for use in conjunction with systems and methods provided for cooling data centers. A Make-Up Air Dehumidification/Humidification Unit for the introduction of ventilation air and control of humidity within the enclosed space is provided to support other system components. An objective of the systems and methods according to this disclosure is to provide the necessary rejection of heat while providing a capability to limitedly add ventilation air and control of the absolute moisture content of the air within a data center.

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: The invention relates to an on-site medical gas production plant (100) comprising a unit (50) for purifying gas, such as air, a first compartment (A) for storing purified gas, and a main gas line (10) fluidically connecting the gas purification unit (50) to the said first storage compartment (A). It furthermore comprises a three-way actuated valve (VA) arranged on the main gas line (10) upstream of the first storage compartment (A), and furthermore connected to the atmosphere (at 12) via a vent line (11), as well as an operating device (4) which controls at least the three-way actuated valve (VA), and at least a first gas analysis device (D1) of which a first measurement line (29) is fluidically connected (at 28) to the main line (10), upstream of the three-way actuated valve (VA), and which is electrically connected to the said operating device (4).

Abstract: An electric machine system includes: an electric motor; and an absorption cooling system driven by heat generated by the electric motor and configured to cool a primary cooling fluid that removes the heat from the electric motor to a temperature below an ambient temperature of an ultimate heat sink. A method for operating the electric machine system is also disclosed.

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 air dehumidification system includes a modified packed column air stripper for contacting humid air with a liquid desiccant. The dehumidification system also includes a solar distiller for regenerating the liquid desiccant through evaporation of water. The liquid desiccant may be a salt solution, more specifically, an aqueous solution of calcium chloride. The dehumidification system may also include an evaporative cooler for cooling dehumidified air exiting the air stripper. Condensate from the solar distiller may be directed to the evaporative cooler.

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: An on-off valve and a bypass pipe which bypasses the on-off valve are connected to an inlet pipe and an outlet pipe of a humidity control circuit. A pressure-reducing valve is connected to the bypass pipe. Before switching a four-way valve, a degree of opening of the pressure-reducing valve is reduced to reduce a pressure difference between high and low pressure in the humidity control circuit. After that, the on-off valve is closed for pressure equalization between the high and low pressure in the humidity control circuit.

Abstract: In some embodiments, a medicinal storage container includes: a desiccant unit including external walls forming a gas-impermeable barrier around an interior desiccant region and including an aperture; a heating element; a controller operably attached to the heating element; a cooling unit; a compressor system including at least one evaporator coil unit, the compressor operably connected to the controller; a vapor conduit, the vapor conduit attached to a the desiccant unit at a first end, the vapor conduit attached to the evaporative cooling unit at a second end, the vapor conduit forming an internal, gas-impermeable passageway between the desiccant unit and the cooling unit; a vapor control unit attached to the vapor conduit and operably attached to the controller; and a medicinal storage unit including external walls encircling a medicinal storage region including a temperature sensor operably connected to the controller.

Abstract: A heat pump system for conditioning regeneration air from a space is provided. The heat pump system is operable in a winter mode and/or a summer mode. The system includes an energy recovery module that receives and conditions air in a regeneration air channel. A pre-processing module is positioned downstream of the energy recovery module. The pre-processing module receives and heats air from the energy recovery module. A regeneration air heat exchanger is positioned downstream of the pre-processing module. The regeneration air heat exchanger receives and conditions air from the pre-processing module. The pre-processing module heats the air from the energy recovery module to increase an efficiency of the regeneration air heat exchanger.

Abstract: An air-conditioning system includes a plurality of liquid desiccant in-ceiling units, each installed in a building for treating air in a space in the building. Dedicated outside air systems (DOAS) for providing a stream of treated outside air to the building are also disclosed.

Abstract: A system for cooling heat producing components in a building includes a duct coupled to a room of the building and one or more air moving devices. The duct includes a constricted section. The air moving devices move air through the constricted section of the duct such that water in the air is converted from water vapor to water droplets. The water droplets are carried downstream from the constricted section in a two-phase mixture comprising air and water.