Abstract: The application relates to a binary cycle power system for generating electrical power. The system comprises a heat exchanger for evaporating a first fluid, a turbine converter, an electrical generator, and a first condenser for condensing the evaporated first fluid. The turbine converter converts energy of the evaporated first fluid to mechanical energy and the electrical generator generates the electrical power from the mechanical energy. The heat exchanger is a second conderser, which is a part of a heat pump that transfers heat from a second fluid circulating in the heat pump to the first fluid so that the first fluid evaporates.

Abstract: A cooling apparatus includes a compressor, a first flow path and a second flow path branched from a branch point, a condenser disposed downstream of the branch point in the first flow path, a first decompressor disposed downstream of the condenser, a plurality of evaporators disposed downstream of the first decompressor and connected in series, a second decompressor disposed downstream of the branch point in the second flow path, a detection unit, and a control unit. The second flow path includes a hot-gas flow path configured to connect an outlet of the second decompressor and a meeting point with the first flow path. The control unit controls a degree of opening of the second decompressor depending on the temperature detected by the first temperature-detection unit and controls a degree of opening of the first decompressor depending on the temperature and/or the pressure detected by the detection unit.

Abstract: Systems and methods of continuous cooling at cryogenic temperatures. One exemplary aspect involves a refrigeration system that includes: a chamber adapted to hold liquid and gaseous coolant received from a cooling pot; a first adsorption pump having an inlet end in fluid communication with the chamber, the first adsorption pump configured to capture gas from the liquid and gaseous coolant when the first adsorption pump is enabled; a second adsorption pump having an inlet end in fluid communication with the chamber, the second adsorption pump configured to capture gas from the liquid and gaseous coolant when the second adsorption pump is enabled; a means for desorbing the gas captured by the first adsorption pump; and a means for desorbing the gas captured by the second adsorption pump.

Abstract: Systems and methods have demonstrated the capability of rapidly cooling the contents of pods containing the ingredients for food and drinks.

Abstract: A cooling system includes a compressor configured to pressurize carbon dioxide to form pressurized carbon dioxide, a mixer configured to generate mixed refrigerant in which the pressurized carbon dioxide and solvent in a liquid state, a depressurization apparatus provided downstream from the mixer and configured to depressurize the mixed refrigerant, a separator configured to separate carbon dioxide in a gas state from the mixed refrigerant, a heat exchanger configured to exchange heat between the mixed refrigerant cooled through depressurization and a fluid to be cooled, and a second heat exchanger configured to cool the carbon dioxide or the mixed refrigerant using vaporized carbon dioxide or the mixed refrigerant.

Abstract: A climate-control system includes a first compressor, a second compressor, a first heat exchanger, a second heat exchanger, and a third heat exchanger. The first compressor includes a first inlet and a first outlet. The second compressor is in fluid communication with the first compressor and includes a second inlet (e.g., a suction inlet), a third inlet (e.g., a vapor-injection inlet), a second compression mechanism, and a second outlet. The second and third inlets are fluidly coupled with the second compression mechanism. The second compression mechanism receives working fluid from the first compressor through the third inlet and discharges working fluid through the second outlet of the second compressor. The first and second compressors are in fluid communication with the first, second, and third heat exchangers.

Abstract: Cooling or refrigeration systems, and methods of operating same, are disclosed herein. In one example embodiment, such a system includes a first and second high stage circuits each including a respective heat exchanger and a respective condenser that are coupled together at least indirectly so as to allow a respective portion of a first coolant to cycle therebetween. The system also includes a low stage circuit including a heat transfer device that is coupled at least indirectly with each of the heat exchangers, so as to allow an additional portion of a second coolant to cycle between the at least one evaporator and the heat exchangers, and in a parallel manner such that, if a first one of the high stage circuits ceases operating at a desired level, then the system can continue to operate by way of a second one of the high stage circuits.

Abstract: A dehumidifier/cooling apparatus for use in a room having an elevated temperature and/or humidity is provided which utilizes the natural coolness of tap water to condense water vapor from the air or merely cool the air. The tap water line is diverted into a heat exchanger upstream of a hot water heater to dehumidify and/or cool the air in the room the air and remove the latent heat given off during condensation to cool and/or dehumidify the room air and to pre-heat the water entering the hot water heater. An air moving device powered solely by water moving through the tap water line directs a flow of air through the heat exchanger.

Abstract: A refrigeration cycle apparatus includes: a first four-way valve having first to fourth ports; a second four-way valve and a third four-way valve each having fifth to eighth ports; a compressor; a discharge pipe connecting a discharge port of the compressor and the first port; a suction pipe connecting a suction port of the compressor and the second port; a first high pressure pipe connecting the discharge pipe and the fifth ports; a second high pressure pipe connecting the third port and the first high pressure pipe; a first valve provided at the first high pressure pipe; a second valve provided at the second high pressure pipe; a low pressure pipe connecting the suction pipe and the sixth ports; a first outdoor heat exchanger connected with the seventh port of the second four-way valve; a second outdoor heat exchanger connected with the seventh port of the third four-way valve; and an indoor heat exchanger connected with the fourth port.

Abstract: A heat exchanger within an insulated enclosure receives primary refrigerant at a high pressure and cools the primary refrigerant using a secondary refrigerant from a secondary refrigeration system. An expansion unit within the insulated enclosure receives the primary refrigerant at the high pressure from the heat exchanger and discharges the primary refrigerant at a low pressure. A supply line delivers the primary refrigerant at the low pressure to the load and a return line returns the primary refrigerant from the load to the primary refrigeration system. A system control unit controls operation of at least one of the primary refrigeration system and the secondary refrigeration system to provide a variable refrigeration capacity to the load based on at least one of: a pressure of the primary refrigerant delivered to the load, and at least one temperature of the load.

Abstract: The present invention provides a system and method for an improved multistage, cascade refrigeration system using hot gas defrost to rid the evaporator of ice build-up which accumulates over time, while the air in the evaporator enclosure remains below the freezing point of water. The present invention thus provides greater defrost flexibility with increased ease of design and implementation than current refrigeration systems, which allows for more robust hot gas defrost function for multistage refrigeration systems, such that it is unaffected by temperature changes of the condensing fluid (ambient air temperature for air cooled condensers, water temperature for water cooled condensers), and can be readily adapted to any refrigerant suitable for a selected temperature range.

Abstract: A roll-diaphragm compressor that includes a compressor head with an interface wall that defines a concave portion and with an apex portion having an inlet port and outlet port. The roll-diaphragm compressor can also include a flexible roll-diaphragm coupled to the compressor head about an edge with the roll-diaphragm driven in a rolling motion against the interface wall. The roll-diaphragm compressor can also include a compression chamber defined by the compressor head and roll-diaphragm that is configured for receiving a fluid via the inlet port in a first state, compressing the fluid based on the volume of the compression chamber being made smaller, and expelling the fluid in a second state via the outlet port.

Abstract: A heat pump system includes a heat pump stage having a first evaporator, a first liquefier, and a first compressor; and a further heat pump stage having a second evaporator, a second liquefier, and a second compressor, wherein a first liquefier exit of the first liquefier is connected to a second evaporator entrance of the second evaporator via a connecting lead.

Abstract: A fluid temperature control system according to an embodiment cools a fluid by means of a multiple refrigeration apparatus including a high-temperature-side refrigerator, a medium-temperature-side refrigerator and a low-temperature-side refrigerator. The medium-temperature-side refrigerator in the multiple refrigeration apparatus has a medium-temperature-side first evaporator and a medium-temperature-side second evaporator. A high-temperature-side evaporator of the high-temperature-side refrigerator and a medium-temperature-side condenser of the medium-temperature-side refrigerator constitute a first cascade condenser. The medium-temperature-side second evaporator of the medium-temperature-side refrigerator and a low-temperature-side condenser of the low-temperature-side refrigerator constitute a second cascade condenser.

Abstract: In a cooling device 20 of the present invention, a bypass passage 20C for allowing circulating liquid to partly or wholly bypass a heat exchanger 15; a first valve 21; and a second valve 22 are provided. Thus, the a cooling device 20 having a refrigerator 100 capable of cooling to a low temperature can be operated even at high temperature and heat can be removed even when the inspection temperature is high. Thus, the inspection can be performed both cases when the inspection temperature is high and low. Consequently, the semiconductor wafer generating a large amount of heat during the inspection can be also inspected without causing problems.

Abstract: The invention relates to a facility for producing liquid helium from a source gas mixture substantially comprising nitrogen and helium. The facility includes a cryogenic purifier including a system for separating the nitrogen from the source gas mixture with a view to producing helium at a temperature lower than the temperature of the source gas. The facility also includes a helium liquefier that subjects the helium to a work cycle including, in series: compressing the helium, cooling and decompressing the compressed helium, and reheating the cooled, decompressed helium. The facility includes a helium transfer pipe connecting an outlet of the purifier to an inlet of the liquefier in order to transfer helium produced by the purifier into the work cycle of the liquefier. The facility is characterized in that the cryogenic purifier includes a decompression system that includes an inlet to be connected to a source of pressurized nitrogen gas.

Abstract: Systems and methods of continuous cooling at cryogenic temperatures. One exemplary aspect involves a refrigeration system that includes: a chamber adapted to hold liquid and gaseous coolant received from a cooling pot; a first adsorption pump having an inlet end in fluid communication with the chamber, the first adsorption pump configured to capture gas from the liquid and gaseous coolant when the first adsorption pump is enabled; a second adsorption pump having an inlet end in fluid communication with the chamber, the second adsorption pump configured to capture gas from the liquid and gaseous coolant when the second adsorption pump is enabled; a first heater or heat switch for desorbing the gas captured by the first adsorption pump; and a second heater or heat switch for desorbing the gas captured by the second adsorption pump.

Abstract: A heat pump apparatus includes a heat source-side refrigeration cycle sequentially connecting a compressor, a heat source-side heat exchanger, an expansion valve, and a heat source side of a cascade heat exchanger, and configured to circulate refrigerant, and a load-side refrigeration cycle sequentially connecting a heat medium sending unit, a load-side heat exchanger, and a load side of the cascade heat exchanger, and configured to circulate a heat medium. The heat source-side heat exchanger and the cascade heat exchanger each have a hydraulic diameter of less than 1 mm, which is calculated by 4×S/L, where S represents a cross-sectional area of a fluid passage and L represents a length of a wetted perimeter.

Abstract: A refrigeration cycle system includes: a first refrigeration cycle apparatus which is connected to a first compressor, a first condenser, a first pressure reduction device, and a first evaporator and through which the refrigerant circulates; a second refrigeration cycle apparatus which is connected to a second compressor, a second condenser, and a second pressure reduction device, and a second evaporator; a first bypass passage connecting a portion between the first evaporator and the first compressor to a portion between the second evaporator and the second compressor; and a second bypass passage connecting a portion between the first condenser and the first pressure reduction device to a portion between the second condenser and the second pressure reduction device.

Abstract: Processes and systems are provided for recovering a liquid natural gas (“LNG”) from a hydrocarbon-containing gas. More particularly, the present invention is generally related to processes and systems that optimize the chilling efficiencies of an LNG facility through the utilization of an auxiliary refrigeration cycle. Additionally, the present invention is also generally related to the rerouting of mixed refrigerants in a closed-loop refrigeration cycle in order to optimize the chilling efficiencies of the LNG facility.

Abstract: A refrigerator according to an embodiment of the present invention includes a cabinet in which a storage space is formed; a main evaporator which is installed at one side of an inner portion of the storage space to cool the storage space; a case which is installed on the other side of the inner portion of the storage space and defines a deep-freezing storage chamber; a drawer which is accommodated in the case so as to be retractable and withdrawable and in which food is stored; and a rapid cooling module which is provided on a rear side of the inner portion of the case and rapidly cools the deep-freezing storage chamber, in which the rapid cooling module includes an auxiliary evaporator in which a low-temperature and low-pressure two-phase refrigerant flow, and a thermoelectric device which is installed so that an exothermic surface is attached to the surface of the auxiliary evaporator and an endothermic surface faces the drawer, thereby cooling the deep-freezing storage chamber.

Abstract: Systems and methods of CO2 desublimation are presented in which refrigeration content is retained within the system. Most preferably, refrigeration content is recycled by providing the refrigeration content of a CO2-lean feed gas to the CO2-containing feed gas and to pre-cooling of a desublimator, and/or by providing refrigeration of effluent of a desublimator in regeneration to a refrigerant in a closed refrigeration cycle for deep-cooling of another desublimator.

Abstract: A natural gas liquefaction system includes a piping rack for supporting a raw material gas transporting pipe for transporting the raw material gas; a pre-cooling heat exchanger for pre-cooling the raw material gas with a first refrigerant; a first refrigerant compressor for compressing the first refrigerant; a plurality of first air-cooled heat exchangers disposed on a top of the piping; a liquefier for liquefying the raw material gas which has been cooled by the pre-cooling heat exchanger, wherein the piping rack has a widened section along a part of a length of the piping rack, wherein the pre-cooling heat exchanger and the first refrigerant compressor are disposed on either side of the widened section of the piping rack, and are connected to each other via a first refrigerant transporting pipe extending in a direction intersecting a lengthwise direction of the piping rack for transporting the first refrigerant.

Abstract: A microchannel condenser includes a first header, the first header including a body defining an interior and further defining an inlet bore and a first outlet bore, and a second header spaced apart from the first header, the second header including a body defining an interior and further defining a second outlet bore. The microchannel condenser further includes a conduit in fluid communication with the second outlet bore. The microchannel condenser further includes a plurality of tubes extending between the first header and the second header, each of the plurality of tubes defining a plurality of microchannels, each of the plurality of microchannels in fluid communication with the interior of the first header and the interior of the second header, each of the plurality of microchannels having a maximum cross-sectional width of less than or equal to 5 millimeters.

Abstract: A refrigerating apparatus includes: a refrigerating circuit in which a refrigerant that is discharged from a compressor is conveyed under pressure sequentially to a first flow rate controlling apparatus, a heat storing tank, a condenser, a first decompressing apparatus, and an evaporator, and is recycled to the compressor; a defrosting circuit in which the refrigerant that is discharged from the compressor is conveyed under pressure sequentially to the first flow rate controlling apparatus, the heat storing tank, the first decompressing apparatus, and the evaporator, and is recycled to the compressor; and a flow channel switching apparatus that connects an outlet side of the heat storing tank to an inlet side of the condenser or to an inlet side of the first decompressing apparatus to form the refrigerating circuit or the defrosting circuit.

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

Abstract: An integrated air conditioning system having a first air conditioning unit having a first evaporator with a first input and a first output; a second air conditioning unit having a second evaporator with a second input and a second output; a first conduit fluidly connecting the first input with the second output; a second conduit fluidly connecting the second input with the first output. The first and second conduits and the first and second evaporators form a working fluid circuit.

Abstract: A cooling system has a direct expansion mode and a pumped refrigerant economizer mode and a controller. The controller includes a load estimator that estimates real-time indoor load on the cooling system and uses the estimated real-time indoor load to determine whether to operate the cooling system in the pumped refrigerant economizer mode or in the direct expansion mode.

Abstract: A two-stage cascade refrigeration system is provided having a first refrigeration stage and a second refrigeration stage. The first refrigeration stage defines a first fluid circuit for circulating a first refrigerant, and has a first compressor, a condenser, and a first expansion device that is in fluid communication with the first fluid circuit. The second refrigeration stage defines a second fluid circuit for circulating a second refrigerant, with the second refrigeration stage having a second compressor, a second expansion device, and an evaporator that is in fluid communication with the second fluid circuit. A heat exchanger is in fluid communication with the first and second fluid circuits to exchange heat between the first and second refrigerants. At least one of the first or second compressors is a variable speed compressor.

Abstract: An ammonia plant system upgrade utilizing both a direct and indirect multistage chilling system in the ammonia plant air compression train to increase process air flow to the secondary ammonia reformer of an existing ammonia plant as well as upgrades to provide more pre-heating along with increased process air flow.

Abstract: A refrigerating apparatus includes a high temperature side first cycle; a high temperature side second cycle; a low temperature side cycle in which carbon dioxide is used as a refrigerant; a first cascade condenser and a second cascade condenser, which each exchange heat between a high temperature side refrigerant and a low temperature side refrigerant; and a control unit lowering an evaporation temperature of a high temperature side evaporator in correspondence to the flow of the low temperature side refrigerant.

Abstract: A heat pump capable of operating in a high COP state even if influx temperature of a medium to be heated flowing into the radiators has increased. The heat pump includes a compressor, a first radiator, a second radiator, an expansion valve, and an evaporator sequentially connected by refrigerant piping to form a first refrigeration cycle, in which a first refrigerant circulates in the first refrigeration cycle, and in which the first radiator and the second radiator are serially connected. A first heat exchange unit that heats the first refrigerant is provided in a refrigerant piping at a refrigerant inlet side of the second radiator, and a second heat exchange unit that cools the first refrigerant is provided in a refrigerant piping at a refrigerant outlet side of the second radiator.

Abstract: A refrigeration cycle apparatus (1A) includes: a main circuit (2) composed of an evaporator (25), a first compressor (21), an intercooler (8), a second compressor (22), and a condenser (23) which are connected in this order; and an evaporation-side circulation path (5) that allows a refrigerant liquid retained in the evaporator (25) to circulate via a heat exchanger for heat absorption (6). The intercooler (8) is a heat exchanger that allows a refrigerant vapor compressed by the first compressor (21) to be cooled by the refrigerant liquid. A supply path (71) supplies, to the intercooler (8), a portion of the refrigerant liquid flowing in the first circulation path (5), and a recovery path (73) recovers the refrigerant liquid from the intercooler (8) to the evaporator (25).

Abstract: A method for coordinating operation between at least two groups of compressors in a cooling circuit is disclosed. A first group of compressors forms part of a low temperature (LT) part of the cooling circuit and a second group of compressors forms part of a high temperature (MT) part of the cooling circuit. Each of the compressor groups comprises one or more compressors, and each of the compressor groups comprises a controller, the controllers being capable of exchanging signals. In the case that the LT compressor group needs one or more of the LT compressors to start operation, it is investigated whether or not one or more of the MT compressors is/are operating. If this is the case, one or more of the LT compressors is/are allowed to start operation. If it is not the case, the suction pressure in the MT part of the cooling circuit is established, e.g.

Abstract: Systems and methods of CO2 desublimation are presented in which refrigeration content is retained within the system. Most preferably, refrigeration content is recycled by providing the refrigeration content of a CO2-lean feed gas to the CO2-containing feed gas and to pre-cooling of a desublimator, and/or by providing refrigeration of effluent of a desublimator in regeneration to a refrigerant in a closed refrigeration cycle for deep-cooling of another desublimator.

Abstract: A cooling system has a plurality of separate cooling stages including an upstream cooling stage having an upstream cooling circuit and a downstream cooling stage including a downstream cooling circuit, which are each a direct expansion cooling circuit including a tandem compressor. Each tandem compressor includes a fixed capacity compressor and a variable capacity compressor. A controller controls the fixed capacity compressor and variable capacity compressor of each tandem compressor based on a Call for Cooling, which of a plurality of ranges the Call for Cooling falls within, and whether the Call for Cooling is ramping up or ramping down.

Abstract: A refrigerating system including an air conditioning system and a cooler system is provided. An air conditioner-side refrigerant passage may be connected to a cooler-side refrigerant passage to allow refrigerant to flow between the air conditioning system and the cooler system. Thus, if a cooler-side compressor experiences abnormal operation, cooler-side refrigerant may be compressed by an air conditioner-side compressor so as to maintain cooling performance of the refrigerating system.

Abstract: A device is provided for a refrigeration system that separates liquid and vapor phases of the refrigerant while also drying the liquid phase to remove water. The phase separator and drier are provided integrally as part of the same device. The device can be used with e.g., dual evaporator refrigeration systems and both single and multi-component refrigerants. Improved efficiencies in space and plumbing so as to reduce costs can be achieved.

Abstract: Obtained is an air-conditioning apparatus that is capable of saving energy. A pressure in a passage of the second refrigerant flow switching device in which a refrigerant from an outdoor unit flows into is higher than a pressure in a passage of the second refrigerant flow switching device in which the refrigerant flows out to the outdoor unit regardless of switching states of a first refrigerant flow switching device, the second refrigerant flow switching devices, and a third refrigerant flow switching device.

Abstract: A modular heat exchange system having a refrigerant system for cycling a refrigerant through a compressor, a condenser, an expansion valve, and an evaporator, a heat source circulation system which circulates a heat exchange fluid between a heat source and the evaporator, a heat sink circulation system which circulates a heat absorption fluid between a heat sink and the condenser, a fluid management system having temperature gauges for respectively reading core temperatures of the heat source and the heat sink, and a thermal energy source from which thermal energy is transferred to the heat exchange fluid when the core temperature of the heat source falls below a threshold temperature while the core temperature of the heat sink is maintained at a constant temperature.

Abstract: Provided is a refrigeration cycle of a refrigerator. The refrigeration cycle of a refrigerator including a first refrigeration cycle in which a first refrigerant flows along a first refrigerant tube and a second refrigeration cycle in which a second refrigerant flows along a second refrigerant tube includes first and second compressors compressing each of the first and second refrigerants into a high-temperature high-pressure gaseous refrigerant, a combined condenser condensing each of the first and second refrigerants passing through the first and second compressors into a high-temperature high-pressure liquid refrigerant, first and second expansion valves phase-changing each of the first and second refrigerants passing through the combined condenser into a low-temperature low-pressure two-phase refrigerant, and first and second evaporators changing the refrigerant passing through each of the first and second expansion valves into a low-temperature low-pressure gaseous refrigerant.

Abstract: A configuration provided with a heat source unit A, an indoor unit B, a circuit D for a hot-water supply heat source provided with a refrigerant-refrigerant heat exchanger and throttle for the hot-water supply heat source, and a branch unit C that distributes a refrigerant flowing through the indoor unit and the circuit for hot-water supply heat source and also provided with a refrigerating cycle for air conditioning in which the indoor unit and the circuit for hot-water supply heat source are connected in parallel and connected to the heat source unit by at least two connection pipelines via the branch unit and a refrigerating cycle for hot-water supply in which a compressor for hot-water supply, a heat-medium-refrigerant heat exchanger, throttle for hot-water supply, and the refrigerant-refrigerant heat exchanger are connected in series, in which the refrigerating cycle for air conditioning and the refrigerating cycle for hot-water supply are connected so as to exchange heat between the refrigerant for air

Abstract: A refrigerating apparatus including a first refrigeration cycle circuit having a first compressor, a first radiator, a supercooler, a first pressure-reducing device and an evaporator that are connected through a refrigerant pipe, a second refrigeration cycle circuit having a second compressor, a second radiator, a second pressure-reducing device and the supercooler that are connected through a refrigerant pipe, a refrigeration unit in which the first compressor and the first radiator are mounted, a showcase in which the first pressure-reducing device and the evaporator are mounted, a supercooling hot water supply device in which the second compressor, the second radiator, the second pressure-reducing device and the supercooler are mounted, and a hot-water stock device having a hot water supply tank that is connected to the second radiator of the supercooling hot water supply device through a second radiator.

Abstract: A cooling system includes an evaporator for evaporating a refrigerant to cool an object to be cooled; a refrigerant-supply-flow-rate regulator for regulating a flow rate of the refrigerant to be supplied to the evaporator; a condenser for condensing the refrigerant by cooling the refrigerant by use of a chilled fluid; and a chilled-fluid-flow-rate regulator for regulating a flow rate of the chilled fluid to be supplied to the condenser, the refrigerant condensed by the condenser being to be pressurized to be supplied to the evaporator. The chilled-fluid-flow-rate regulator regulates a flow rate of the fluid, to be supplied to the evaporator, for a temperature of the refrigerant condensed to come to a predetermined target refrigerant-liquid temperature, and the refrigerant-supply-flow-rate regulator regulates a flow rate of the refrigerant, to be supplied to the evaporator, for a temperature of the object cooled to come to a predetermined target cooling temperature.

Abstract: A high-efficiency air conditioning system for conditioning a plurality of zones within an interior of a building that includes: at least two independent ductwork systems within a building wherein each independent ductwork system directs heating and cooling to one zone within the building; a single outdoor unit a refrigerant flow pathway having a common refrigerant flow path portion, a first divergent flow path, and a second divergent flow path; at least one throttling device and at least a first indoor air handling unit providing cooling to a first independent ductwork system and a second indoor air handling unit providing cooling to a second indoor ductwork system. The compressor is incapable of simultaneously supplying both the first evaporator and the second evaporator at their full cooling capacity.

Abstract: An aircraft cooling system includes a refrigerant cycle including a first heat exchanger. A liquid cycle passes a liquid through the first heat exchanger, at which it is cooled by a refrigerant in the refrigerant cycle. An air cycle compresses air and delivers the compressed air into a second heat exchanger. The liquid passes through the second heat exchanger at a location downstream of the first heat exchanger. The liquid cools the air in the second heat exchanger. Air downstream of the second heat exchanger passes to be utilized by a use on an aircraft.

Abstract: A high performance freezer includes a deck and a cabinet supported above the deck and having a cabinet housing defining a generally cylindrical shape. The freezer includes a door supported by the cabinet housing that moves between open and closed positions by sliding or pivoting generally along the side wall of the cabinet. The freezer further includes a refrigeration system mounted at least partially within the deck and partially within the cabinet to refrigerate an inner chamber of the freezer. The cylindrical shape of the cabinet enables rotation of shelves within the inner chamber and a maximized storage space with a minimal floor space required.

Abstract: A heating installation is provided with a first circuit (K1) containing a first medium, a second circuit (K2) containing a second medium, a first heat pump (2) arranged in the first circuit (K1) for heating the first medium, a third circuit (K3) containing a third medium, a heat exchanger (40) arranged in the third circuit (K3) and connected between the condenser (2d) and expansion valve (2f) of the first heat pump to transfer heat from the working medium of the first heat pump to the third medium in the third circuit (K3), and a second heat pump (3) arranged for heating the second medium in the second circuit (K2) by absorbing heat energy from the third medium in the third circuit (K3).

Abstract: A refrigeration system includes a first portion having a primary loop and a secondary loop operably coupled by a first chiller, The primary loop circulates a refrigerant through the first chiller to provide cooling to a coolant in the secondary loop. The secondary loop has a supply portion and a return portion, the supply portion circulates the coolant to one or more temperature-controlled storage devices operating at a first temperature. A second portion has a primary loop and at least one secondary loop operably coupled by the second chiller. The primary loop circulates a refrigerant through the second chiller to provide cooling to coolant in the secondary loop. The secondary loop has a supply portion and a return portion, the supply portion circulates the coolant to one or more temperature-controlled storage devices operating at a second temperature. The return portion of the secondary loop of the first portion and the return portion of the secondary loop of the second portion share a common return header.

Abstract: A vehicle air conditioning system is provided. The vehicle air conditioning system includes a first vapor compression refrigeration loop. The first vapor compression refrigeration loop includes a first refrigerant compressor and a first evaporator. The vehicle air conditioning system further includes a tank for holding a compressed fluid, an outlet configured to carry expanded fluid from the tank, and a heat exchanger thermally coupled to the first vapor compression refrigeration loop and to the outlet. The heat exchanger is configured to transfer heat from refrigerant carried by the first vapor compression refrigeration loop to fluid carried by the outlet, where the temperature of the fluid carried by the outlet has been reduced as a result of expansion of the fluid upon exiting the tank.