Abstract: A filling system that has at least one heat pipe used for heat transfer, at least one ammonia tube that pure ammonia is able to be stored at room temperature as saturated vapour, at least one delivery line that enables to deliver ammonia from the ammonia tube to the heat pipe and the heat pipe is removably engaged, at least one valve is located on the delivery line and allows ammonia flow to be controlled, at least one detector located on the delivery line and providing seal control, and at least one heater to heat the heat pipe.

Abstract: A thermal retention apparatus includes a tank and a phase change thermal energy storage unit contained within the tank that, in turn, includes a phase change material and a heat exchanger assembly. The heat exchanger assembly includes a phase change material (PCM) charging circuit for charging the phase change material, and a PCM discharging circuit for discharging the phase change material. The heat exchanger assembly includes a plurality of heat exchanger modules immersed within the phase change material, and the PCM charging circuit includes a fluid flow arrangement of the heat exchanger modules that is in parallel. The PCM discharging circuit includes a fluid flow arrangement of the heat exchanger modules that is in series.

Abstract: A panel attachable to a backpack body. The panel having at least one through-hole formed therein to allow air to flow into a gap defined between the panel and the backpack body. An air-moving device is mountable to the panel, with an outer portion of the air-moving device extending forwardly from the panel and an inner portion of the air-moving device positioned in the gap. The air-moving device causes air to flow into the gap through the at least one through-hole and into one or more inlets of the inner portion. The air-moving device causes air to flow out one or more outlets of the outer portion.

Abstract: A device for temperature control for a motor vehicle, includes a diffractive optical element disposed on a surface of the motor vehicle, and a radiator. The diffractive optical element couples in incident radiation and conducts the coupled-in incident radiation away from an area of the motor vehicle to be cooled. The radiator includes an absorber to absorb the coupled-in incident radiation which is conducted to the absorber from the diffractive optical element. The radiator releases energy based on the coupled-in incident radiation absorbed by the absorber.

Abstract: A cooling system includes one or more cooling panels for affecting a cooling load in an environment. The cooling system also includes a heat exchanger coupled to the one or more cooling panels. Each cooling panel includes a film, a panel body, an inlet port, an outlet port, and a fluid path. The film's radiative properties allow it to achieve a temperature less than an environment temperature. The heat exchanger includes ports that are coupled to the fluid paths of the one or more cooling panels. A control system is used to control flow rates, flow paths, fluid temperatures, component temperatures, cooling rates, component operation, or other aspects of a cooling system. For example, the control system controls or monitors pumps, compressors, fans, valves, sensors, actuators, or a combination thereof.

Abstract: A refrigeration system includes a heat exchanger configured to place a cooling fluid in a heat exchange relationship with a working fluid, a free-cooling circuit having a pump configured to circulate the working fluid through the heat exchanger and a condenser, a flow control valve configured to control a flow rate of the working fluid to the condenser, a condenser bypass valve configured to control a flow rate of the working fluid that bypasses the condenser, and a controller configured to adjust a position of the flow control valve, a position of the condenser bypass valve, a speed of a fan of the condenser, a speed of the pump, and a temperature of a heater based on an ambient temperature, a temperature of the working fluid leaving the condenser, the position of the flow control valve, the position of the condenser bypass valve, or a combination thereof.

Abstract: A device for energy transfer and for energy storage in a liquid reservoir has a water heat exchanger arranged on a bottom and has an air heat exchanger arranged above the water heat exchanger, wherein the water heat exchanger is arranged in a liquid reservoir that is surrounded by an inner shell which delimits the device with respect to an outer shell covering the inner shell from the bottom, wherein the outer shell is at least partially inserted into an earth layer, and the device is closed upwardly by a lid in such a way as to make it possible to generate a flow of air from an air inlet to an air outlet of the air heat exchanger.

Abstract: The present disclosure relates to a milk-of-lime preparation apparatus and preparation method having waste heat recovery line, that may recover waste heat generated during preparation of liquid milk-of-lime and deliver the recovered waste heat to water, so as to supply the water at an optimal temperature necessary for a hydration reaction, thereby increasing the reaction efficiency and reducing the preparation time of the milk-of-lime.

Abstract: A cold generator incorporates a heat exchanger unit integrating a heat-emitting heat exchanger and a heat-absorbing heat exchanger. The heat exchanger unit has a flow path layer stack built up in a stacked construction. In order to form the heat-emitting heat exchanger in the flow path layer stack, at least one heat-emitting refrigerant flow path and at least one heat-absorbing second heat transport flow path are provided. A second heat transport medium guided in a second heat transport circuit is arranged to flow through the second heat transport flow path. At least one heat-absorbing refrigerant flow path and at least one heat-emitting first heat transport flow path are provided in order to form the heat-absorbing heat exchanger in the flow path layer stack with a first heat transport medium guided in a first heat transport circuit that is arranged to flow through the first heat transport flow path.

Abstract: An adsorptive cooling system includes two highly adsorptive structures positioned to receive thermal energy from a thermal energy source, each highly adsorptive structure includes a substrate and a metal-organic framework (MOF) coupled to the respective substrate and adapted for adsorbing and desorbing a refrigerant under predetermined thermodynamic conditions. The adsorptive cooling system includes a cooling unit and a circulation system adapted for circulating the refrigerant from one of the highly adsorptive structures to the cooling unit to provide cooling from the thermal energy source and to return the refrigerant from the cooling unit to the same or other highly adsorptive structure. Each substrate may include a plurality of microchannels, providing ingress and egress paths for a refrigerant, defined by grooves in a surface of the substrate nearest the MOF and/or surfaces of a plurality of microcapillaries of the substrate. The microchannels provide ingress and egress paths for a refrigerant.

Abstract: A smart electric temperature-controlled system connected to a vehicle, such as a vehicle-transported refrigeration system, includes a power management system and an energy storage module. The power management system and energy storage module can manage power delivered to the temperature-controlled system components by monitoring temperatures and voltages (and possibly other factors) and by delivering power as a function of the things monitored. In a typical implementation the power management system and an energy storage module can supply power to a vehicle-transported refrigeration system when the vehicle is stopped and/or power from the vehicle electrical system is electrically isolated or otherwise unavailable.

Abstract: Provided area second-order sliding mode observation-based fan power control method and system. The method includes: calculating, by second-order sliding mode observation, an observed rotational speed value of a fan, and calculating a maximum power reference current corresponding to maximum power of the fan according to a relational expression between the rotational speed and maximum power point; and performing, by controlling a Pulse Width Modulation (PWM) switch to be toggled, system Maximum Power Point Tracking (MPPT) according to the maximum power reference current, so as to control the fan to operate stably at the maximum power point.

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

Abstract: A thermal energy storage system comprising a working fluid to store and transfer thermal energy between a heat source and a thermal load and a vessel to store the working fluid. The vessel has an interior region and a floating separator piston in the interior region to separate a hot portion from a cold portion of the working fluid. There is a first manifold thermally coupled to an output of the heat source and to an input of the thermal load and fluidly coupled to the interior region of the vessel and a second manifold thermally coupled to an input of the heat source and an output of the thermal load and fluidly coupled to the interior region of the vessel. There is a controller configured to maintain the working fluid in a liquid state.

Abstract: A system for providing air conditioning to a living space and heating potable water. The system comprising a heat pump circuit comprising a compressor for circulating a refrigerant around the heat pump circuit, a first condenser, a second condenser and an evaporator. The evaporator being adapted to receive a first flow of air from an air inlet to transfer heat from the first flow of air to the refrigerant. The first condenser being adapted to receive a flow of water to transfer heat from the refrigerant to the water. The second condenser being adapted to receive a second flow of air to transfer heat from the refrigerant to the second flow of air. The first flow being provided from the evaporator to a living space by an air outlet.

Abstract: An electronic module includes a power supply wiring line disposed on a substrate along a first side and connected to a power supply terminal, a ground wiring line disposed on the substrate along a second side and connected to a ground terminal, and first to third half bridges each having a high-side switch and a low-side switch connected in series between the power supply wiring line and the ground wiring line. Connection points of the high-side switches and the low-side switches are connected to first to third motor terminals and also connected in parallel to one another. The first motor terminal, the second motor terminal, and the third motor terminal are disposed between the power supply terminal and the ground terminal.

Abstract: A thermal management system includes a first heat source assembly including a first heat source exchanger, a first thermal fluid inlet line extending to the first heat source exchanger, and a first thermal fluid outlet line extending from the first heat source exchanger; a second heat source assembly including a second heat source exchanger, a second thermal fluid inlet line extending to the second heat source exchanger, and second a thermal fluid outlet line extending from the second heat source exchanger; a shared assembly including a thermal fluid line and a heat sink exchanger, the shared assembly defining an upstream junction in fluid communication with the first thermal fluid outlet line and second thermal fluid outlet line and a downstream junction in fluid communication with the first thermal fluid inlet line and second thermal fluid inlet line; and a controller configured to selectively fluidly connect the first heat source assembly or the second heat source assembly to the shared assembly.

Abstract: A switching flow source system includes a switching flow apparatus and a source loop and a production loop that are in fluid communication with the switching flow apparatus. In a cooling mode a first heat exchanger, acting as a condenser, is fluidly connected to the source loop and a second heat exchanger, acting as an evaporator, is fluidly connected to the production loop. The switching flow source system can be switched to a heating mode by operating valves within the switching flow apparatus. In the heating mode the first heat exchanger is switched to being fluidly connected to the production loop while the second heat exchanger is switched to being fluidly connected to the source loop.

Abstract: The present disclosure relates to a method for operating a temperature control system for a temperature controlled goods vehicle, wherein the temperature control system comprises: a solar panel and a temperature control unit comprising: one or more temperature control components; a battery coupled to the solar cell (200) for receiving a first charging current i1 from the solar cell; an engine operative to supply a second charging current i2 to the battery; and a controller.

Abstract: A system for heating a first fluid flow from a first temperature to a second temperature, the system including a hot water supply line for receiving the first fluid flow at a first end and exhausting the first fluid flow at a second end; and a heating system including a heat engine, a thermal battery and a heat exchanger, wherein the thermal battery is configured to be replenished at a point of heat transfer by the heat engine and the hot water supply line is configured to receive heat from the thermal battery via the heat exchanger to elevate the temperature of the first fluid flow from the first temperature to the second temperature.

Abstract: A mobile field-deployable laboratory to more conveniently enable the detecting, sequencing and analyzing of biological agents at the point-of-need. This device enables field operators to go from sample to actionable information in the field without the need for an internet connection or grid-based power. The present mobile laboratory is configured in a footlocker configuration including a plurality of different compartments specifically configured for holding all of the necessary equipment for use in a wide variety of different applications including successfully extracting, amplifying, sequencing and characterizing specific viruses, pathogens and other bacteria directly in the field including an integrated power supply for providing power to the relevant components for up to 72 hours of continuous use without the need for any external power source. The present mobile laboratory includes a deployable workbench area which provides a stable workstation when the footlocker configuration is deployed.

Abstract: Embodiments of the present disclosure are directed toward systems and method for cooling a refrigerant flow of a refrigerant circuit with a cold cooling fluid flow from a thermal storage unit to generate a warm cooling fluid flow, thermally isolating the cold cooling fluid flow and the warm cooling fluid flow in the thermal storage unit, and cooling the warm cooling fluid flow from the thermal storage unit in a chiller system to at least partially produce the cold cooling fluid flow.

Abstract: A charge control device capable of charging a battery with electric power generated by a photovoltaic power generator, includes: a setting unit configured to set a control value relating to a magnitude of electric power to be supplied to the battery; and an acquisition unit configured to acquire information relating to an actual supplied electric power supplied to the battery. The setting unit sets a predetermined initial value as the control value and then increases and decreases the control value based on the information acquired by the acquisition unit.

Abstract: A heat-driven refrigeration/heat-pump system includes at least one vapor expansion stage and at least one vapor compression stage, a condenser, and an evaporator, while the power consumption of the compression stages is fully supplied by the power output of the expansion stages. In the system, a vapor absorber/generator unit is adopted, such that at least one expansion stage is fed by the vapor from the generator, and at least one power stage; compression or expansion, delivers its output stream to the absorber instead of to the condenser. In the new arrangement the expansion stages produce surplus power, facilitating a supplementary refrigeration loop between the evaporator and the condenser to which there is no direct expense of heat from the generator, thereby improving the overall performance of the system.

Abstract: A multi-compressor refrigerant system for a vehicle including a main compressor, an auxiliary compressor fluidly coupled with the main compressor, and a chiller fluidly coupled to the main compressor and the auxiliary compressor for exchanging heat with an electronic device. At least one of the main compressor and the auxiliary compressor is operated based on a thermal load of the chiller.

Abstract: An electronic module includes a shunt resistor having one end that is connected to one end of a first ground wiring line and another end that is connected to another end of a second ground wiring line. Signal terminals are disposed to be close to the shunt resistor, the signal terminals including a first current detection terminal electrically connected to the one end of the shunt resistor, and a second current detection terminal disposed to be close to the shunt resistor and electrically connected to the other end of the shunt resistor. The shunt resistor is disposed to be close to a first side of a substrate along which the signal terminals are arranged.

Abstract: A climate-control system includes a working fluid circuit and a storage tank. The working fluid circuit has a first compressor, a first heat exchanger, a second heat exchanger, a flash tank, and a third heat exchanger. The first heat exchanger receives working fluid discharged from the first compressor. The flash tank is disposed downstream the first heat exchanger and includes an inlet and first and second outlets. The first outlet provides working fluid to the third heat exchanger disposed between the flash tank and the first compressor. The second outlet provides working fluid to the first compressor. The storage tank contains phase-change material that is thermally coupled with the second heat exchanger of the working fluid circuit.

Abstract: A thermal cell panel system for heating and cooling using a refrigerant includes a plurality of solar thermal cell chambers, and a piping network for a flow of the refrigerant through the plurality of solar thermal cell chambers. In addition, the system includes a compressor having a motor coupled to a variable frequency drive (“VFD”), where the compressor is coupled to the piping network upstream of the plurality of solar thermal cell chambers and the VFD is configured to adjust a speed of the motor in response to the pressure of the refrigerant within the plurality of solar thermal cell chambers. The piping network includes an inlet manifold coupled to the inlet of each solar thermal cell chamber, and an outlet manifold coupled to the outlet of each solar thermal cell chamber.

Abstract: A geothermal heat mining system can operate within a single primary borehole in a geothermal reservoir. A primary fluid loop can include a cold working fluid line leading into the primary borehole and a hot working fluid line coming out of the primary borehole. A secondary fluid loop can be located down the primary borehole, where the secondary fluid loop is in thermal contact with the geothermal reservoir. A downhole heat mining device can control a rate of heat transfer from the secondary fluid loop to the primary fluid loop by selectively controlling fluid flow through the primary fluid loop, the secondary fluid loop, or both.

Abstract: A power cord for transferring power to an electrically powered accessory configured to be used with at least one of a vehicle, a trailer, and a transport container is provided. The power cord includes a DC wire portion, an AC wire portion, and a single plug at one end of the power cord. The DC wire portion provides DC power to the electrically powered accessory. The AC wire portion provides AC power to the electrically powered accessory. The DC wire portion and the AC wire portion each have a first end and a second end. The single plug is connected to the first end of the DC wire portion and connected to the first end of the AC wire portion and includes an AC contact arrangement, a DC contact arrangement, and a communication contact arrangement.

Abstract: A pressure spike prevention assembly for use in a heat pump system includes a thermostatic expansion valve that includes a first port and a second port. The first port is designed to be fluidly coupled to an indoor coil, and the second port is designed to be coupled to an outdoor coil. The pressure spike prevention assembly further includes a multi-way valve that includes an inlet port, an output port, and a liquid line port. The inlet port is fluidly coupled to the first port. The output port is fluidly in communication with the second port. The liquid line port is configured to be fluidly coupled to a charge compensator of the heat pump system via a liquid line of the heat pump system.

Abstract: An apparatus includes a pump and a driver mechanically coupled to the pump. The driver is configured to receive gaseous refrigerant at a first pressure, discharge gaseous refrigerant at a second pressure, and produce a mechanical force from a pressure differential between the first pressure and the second pressure. The pump is configured to receive liquid refrigerant at a third pressure, discharge liquid refrigerant at a fourth pressure, and pump liquid refrigerant from the third pressure to the fourth pressure in response to the mechanical force from the driver.

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

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

Abstract: An air conditioner and a control method thereof are provided. The air conditioner includes: a compressor including a coil; an oil pool connected to the compressor through an oil piping; a main control board configured to receive a power-on signal of the air conditioner, obtain an actual temperature of the oil pool after receiving the power-on signal, generate a required heating amount in response to the actual temperature of the oil pool being lower than a preset startup temperature, and generate timing control signals according to the required heating amount; a power device, wherein two sides of the power device are respectively connected to the main control board and the coil, and the power device is configured to drive the coil to heat the oil pool according to the timing control signals generated by the main control board.

Abstract: A solar powered closed loop system and method for powering a cooling unit. The system and method provide a fully closed system that harnesses the power of the sun with a solar energy collecting device to generate vapor. The vapor has characteristics of high energy, expansion, and compressibility that enable travel through a plurality of conduits in the closed loop. The system generates vapor, carries the vapor and resultant gas, expands energy, and produces condensate through use of: a vapor expander, a compressor, a gas-liquid heat exchanger, an accumulator, an air-to-air heat exchanger, and a vapor condenser. Thus, through expansion, compression, and conversion different states of the vapor are controllably generated and disbursed for work. The work generated from the expansion and energy release from the vapors and gases produces work for powering the air-to-air heat exchanger, such as a cooling unit, and driving a load.

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

Abstract: A heating installation comprising: a first circuit (C1); a second circuit (C2); a first heat pump (4) for heating the medium in the first circuit; a heat exchanger (10) which is arranged in the second circuit and connected between a condenser (4b) and an expansion valve (4d) of the first heat pump; a second heat pump (11) arranged for heating a medium by absorbing heat energy from the medium in the second circuit; and a first and a second accumulator tank (A1, A2) arranged in series in the second circuit for accumulating the medium in the second circuit. The accumulator tanks are alternately connectable to the second heat pump in order to allow medium to circulate between the first accumulator tank and the evaporator of the second heat pump in a first operating situation and allow medium to circulate between the second accumulator tank and the evaporator of the second heat pump in a second operating situation.

Abstract: Disclosed herein is an atmospheric water generation system. The atmospheric water generation system may include a solar collector including a heat absorbing roof and an interior enclosure adjacent the heat absorbing roof. The heat absorbing roof may include a perforated dark panel that may be configured to allow ambient air into the interior enclosure.

Abstract: A microwave-assisted hybrid solar vapor absorption system that converts anergy into exergy and works sustainably without the intermittence associated with the single absorption vapor absorption systems. The heat required for the generator in a vapor absorption system is provided by preheating the water through solar collectors and by using the vehicle's waste heat in conjunction with solar heat, collecting the waste heat and the solar heat into circulating water or other thermal fluids like mineral oil through the vehicle's radiator, the vehicle's exhaust pipe, and a solar collector. By combining the waste heat and the solar heat, the system achieves the required generator temperature. By introducing dielectric heating and by differentially heating only the refrigerant fluid, and not the absorbent fluid, the required pressure for refrigeration is achieved, while allowing the absorbent fluid to remain significantly cooler than the refrigerant. This increases the Coefficient of Performance to 0.95.

Abstract: A heating installation comprising: a first circuit (C1); a second circuit (C2); a first heat pump (4) for heating the medium in the first circuit; a heat exchanger (10) which is arranged in the second circuit and connected between a condenser (4b) and an expansion valve (4d) of the first heat pump; second and third heat pumps (11, 13) arranged for heating a medium by absorbing heat energy from the medium in the second circuit; and an accumulator tank (12) arranged in the second circuit downstream of the second heat pump (11). The accumulator tank is connected to an evaporator (13a) of the third heat pump (13) in order to allow medium to circulate between the accumulator tank and this evaporator so that heat exchange between the medium in the second circuit and a working medium of the third heat pump is possible via the evaporator of the third heat pump.

Abstract: Heat pump system (100) comprising a heat medium circuit (210,220,230,240,250,310,320,410,420,430,440,450,460) in turn comprising at least three heat exchanging means (314,315,315,422,433,452) between the heat medium and a respective heat source or sink selected from outdoor air, a water body, the ground, indoor air, pool water or tap water, a valve means (311,312,313,421,431,451) arranged to selectively direct the heat medium to at least two of said heat exchanging means, and a control means (500).

Abstract: The present disclosure provides pumped thermal energy storage systems that can be used to store electrical energy. A pumped thermal energy storage system of the present disclosure can store energy by operating as a heat pump or refrigerator, whereby net work input can be used to transfer heat from the cold side to the hot side. A working fluid of the system is capable of efficient heat exchange with heat storage fluids on a hot side of the system and on a cold side of the system. The system can extract energy by operating as a heat engine transferring heat from the hot side to the cold side, which can result in net work output. Systems of the present disclosure can employ solar heating for improved storage efficiency.

Abstract: Battery charging control methods, electrical vehicle charging methods, battery charging control apparatus, and electrical vehicles are described. In one arrangement, battery charging control methods include accessing price information for electrical energy supplied by an electrical power distribution system and controlling an adjustment of an amount of the electrical energy from the electrical power distribution system used to charge a rechargeable battery at different moments in time using the price information. Other arrangements are described.

Abstract: A vehicle-borne solar air-conditioning system includes: power supply management controller, battery pack, AC power supply, controller, air-conditioning system; wherein the power supply management controller is used to manage the solar cell set to charge and discharge the battery pack and manage the motor vehicle power supply to charge and discharge the battery pack; the backup power module is used to manage the AC power to charge and discharge the battery pack; the master control module is used to set the working mode, control the solar power supply management module, motor vehicle generation power supply management module and the backup power module to work in a set working mode. The present invention integrates solar energy resources and AC power supply to manage comprehensively three kinds of power supplies through the power supply management controller and allocates them to the motor vehicle air-conditioning system rationally.

Abstract: A heat pump, the heat pump having a first end and a second end and further comprising: a working fluid and a chamber to contain said working fluid, the chamber having a first end and a second end corresponding to the first and second ends of the pump, one wall of the chamber acting as a heat exchanger between the chamber and a first heat transfer medium and one wall of the chamber, which may or may not be the same wall as the first mentioned one wall, acting as a heat exchanger between the chamber and a second heat transfer medium. The first heat transfer medium is located at a position between the first end of the pump and an intermediate portion defined at a position between the first and second ends of the heat pump, the first heat transfer medium operationally has a temperature T at the end nearest the intermediate portion, and operationally has a temperature higher than temperature T at the end located nearest the first end of the pump.

Abstract: An intermittent operation based continuous absorption system (IOBCAS) which supports cooling effect during the daytime without the use of a solution pump is provided. The IOBCAS may utilize an isochoric process for pressurization of the system and the system may include a plurality of generator-absorber units that intermittently operate in succession to provide a continuous refrigeration cooling effect during the daytime. The system of the present disclosure enables the plurality of generator-absorber units to switch between a generation, absorption, and heat recovery mode of operation to provide cooling effect during the daytime which a higher coefficient of performance compared with conventional intermittent system.

Abstract: A heat pump system includes a refrigerant circuit, at least one variable speed compressor operating with a maximum pressure ratio of at least 5.0 and a variable speed range of at least three times (3×), a heat absorption heat exchanger, a heat rejection heat exchanger, an ejector disposed on the refrigerant circuit upstream of the compressor to extend a pressure ratio range and a volumetric flow range of the compressor in the cold climates, a separator disposed downstream of the ejector and upstream of the heat absorption heat exchanger, and at least one variable speed fan configured to move air through the heat rejection heat exchanger to provide a predefined an air discharge temperature greater than 90° F. A two-phase refrigerant is provided to an inlet of the heat absorption heat exchanger with a quality of less than or equal to 0.05.

Abstract: An air conditioning method includes the steps of: dehumidifying an air stream to be provided to a building space by exposing the air stream to a liquid desiccant in a conditioner; diverting a portion of the air stream dehumidified in the conditioner to an air treatment unit acting as an evaporative chiller to that causes the portion of the dehumidified air stream to absorb water from a water source and thereby cool a heat transfer fluid, and providing the heat transfer fluid cooled in the air treatment unit to the conditioner to cool the air stream to be provided to the building space; and regenerating the liquid desiccant used in the conditioner.

Abstract: A supercritical carbon dioxide power generation system is provided. The supercritical carbon dioxide power generation system may include a regenerator, a turbine, a heat recoverer, a condenser, a compressor an expansion valve, a flash tank, a heat exchanger, and an ejector, and may utilize waste heat of the supercritical carbon dioxide power generation system.