Abstract: The portable air conditioner system is an electrically operated and portable device that is used for cooling a small, but not necessarily enclosed, space. The portable air conditioner system is adapted to cool one or more objects. The portable air conditioner system is further adapted to be attached to an object selected from the one or more objects. In multiple potential embodiments the portable air conditioner system connects to a circulatory network that provides for more efficiently targeted cooling. The portable air conditioner system comprises a cooling unit, a housing, a control system, and an optional circulatory network. The cooling unit and the control are contained within the housing.

Abstract: An elongated non-metal, corrosion resistant compressor mounting base plate structure useful for an appliance such as a refrigerator unit including (I) a base plate having a top surface and a bottom surface, wherein the base plate is adapted for receiving a compressor on the top surface of the base plate; (II) a means for receiving and removably affixing a compressor to the top surface of the base plate; and (III) a reinforcement means integral with said base plate; wherein said reinforcement means includes, for example, at least two elongated transverse tubular reinforcement segments integral with the base plate segment, one transverse tubular reinforcement segment at each of the transverse ends of the base plate segment; said reinforcement means being adapted for providing the base plate with sufficient strength and rigidity such that the base plate can withstand the deformation load from the weight of the compressor.

Abstract: The present invention provides an economizer component, including: a housing; an economizer chamber and an inter-stage flow path chamber, formed inside the housing by using a separator; a condenser connecting port and an evaporator connecting port, disposed on the economizer chamber; a first connecting port and a second connecting port, connected in a multi-stage compressor unit and disposed on the inter-stage flow path chamber; and the economizer chamber being in fluid connection with the inter-stage flow path chamber inside the housing. The economizer component provided in the present invention can reduce complexity of pipe passages of a refrigeration system in which the economizer component is applied.

Abstract: A compressed vaporous discharge stream is de-superheated in a de-superheater system. The de-superheater system comprises a de-superheater heat exchanger configured to bring at least a portion of the compressed vaporous discharge stream in indirect heat exchanging contact with an ambient stream. A de-superheater bypass line comprising an temperature-controlled valve is configured to selectively bypass the de-superheater heat exchanger. A combiner is configured downstream of the de-superheater heat exchanger for rejoining the bypass portion with the portion of the compressed vaporous discharge stream that has passed through the de-superheater heat exchanger. A mixer is configured downstream of said combiner, to receive and mix the rejoined stream, and discharge the rejoined stream into a de-superheater discharge conduit as a de-superheated stream.

Abstract: A combined heating, ventilation, air conditioning, and refrigeration (“HVACR”) system including an HVAC sub-system and a refrigeration sub-system. The HVAC sub-system is in communication with an open space of an indoor environment and includes a first condenser, a first evaporator, and a first compressor at least partially defining a first refrigerant circuit circulating a first refrigerant for selectively conditioning an airflow within the HVAC sub-system that conditions the open space. The refrigeration sub-system is in communication with an enclosed space within the indoor environment and includes a second condenser, a second evaporator, and a second compressor and at least partially defining a second refrigerant circuit circulating a second refrigerant for selectively conditioning the enclosed space. Heat from the second refrigerant is selectively transferred to the airflow within the second condenser to reheat the airflow prior to the airflow being discharged into the open space.

Abstract: A refrigeration appliance includes a refrigeration circuit having a condenser and a heat circulation system for heating an element of the refrigeration appliance. The heat circulation system includes a heat conducting region. A heat exchanging element includes the condenser and the heat conducting region. The condenser and the heat conducting region in the heat exchanger element are thermally coupled in order to output heat from the refrigeration circuit to the heat conducting region of the heat circulation system.

Abstract: A method is described for removing carbon dioxide during Liquid Natural Gas production from natural gas at gas pressure letdown stations. The above method removes carbon dioxide from a Liquid Natural Gas production stream by using hydrocarbon fractions taken from a gas for consumption stream as a carbon dioxide stripping adsorption agent for a stripping column used to remove carbon dioxide.

Abstract: Servicing devices and methods of use for servicing refrigerant systems are described herein. A servicing device may include a body and actuator. The body includes a first fluid port that is coupleable to a fluid port of a fluid source; a second fluid port, that is operatively couples to a refrigeration system; a passage in fluid communication with the first and second fluid ports and in fluid communication; and a plunger at least partially disposed in the passage of the body, and the plunger is adjustable between a released position and an engaged position, during use. The actuator is coupled to the body, and, during use, downward movement the actuator raises or lowers a plunger such that substantially continuous fluid communication between the first fluid port and the second fluid port is established.

Abstract: In a screw compressor (20), a male rotor suction end bearing (96) and discharge end bearing (90 1, 90 2, 90 3) mount the male rotor suction end shaft portion (39) and discharge end shaft portion (40). A female rotor suction end bearing (98) and discharge end bearing (92 1, 92 2) mount the female rotor suction end shaft portion (41) and discharge end shaft portion (42). At least one valve (182; 282; 382 1,382 2,382 3; 82; 582-1,582-2; 682-1,682-2; 782-1,782-2) is along a lubricant flowpath and has an energized condition and a de-energized condition. At least one restriction (184; 84-1,84-2; 84-1, 84-2,84-3; 484 1,484-2,84-3; 84 1,84 2,584; 84-1,84-2,684; 84-1,84-2,784) is along the lubricant flowpath. The at least one valve and the at least one restriction are positioned to create a lubricant pressure difference biasing the rotors away from a discharge end of the case.

Abstract: A refrigerator including a main body including a storage compartment defined therein, a cooling device for cooling the storage compartment, a door for opening and closing the storage compartment, a gasket disposed between the door and the main body to seal the storage compartment, and a heat source disposed around the door, wherein the heat source includes a plurality of heaters generating different quantities of heat.

Abstract: In one general aspect, a converging split-flow microchannel evaporator is disclosed. It includes a conductive contact surface to mate to a surface to be cooled, with a core mounted in thermal connection with the conductive surface that defines at least one layer of microchannels. Within the core, one inlet restriction restricts the flow into each microchannel in a first group of the microchannels, and another restricts the flow into each microchannel in a second group. A centrally located fluid outlet receives the flows from opposite ends of the microchannels in the two groups. A check valve can be provided to help ensure ready startup without reverse flow.

Abstract: In an air conditioner, an upper heat exchanger and a lower heat exchanger exchange heat between air and a refrigerant. An air cleaner includes a charging unit for charging particles in the air and a dust collecting unit for collecting the particles charged by the charging unit by an electrostatic force. An indoor unit body houses the upper heat exchanger and the lower heat exchanger and houses the air cleaner of which the center position in the height direction is positioned lower than a connection part between the upper heat exchanger and the lower heat exchanger.

Abstract: An ice making system and method that includes an ice formation tray, an ejector, and an ejector shaft is disclosed herein. The ice formation tray has a first side and a second side. The ejector includes a unitary structure and an insert, with the unitary structure encompassing the insert on at least four sides. The ejector shaft spans between the first side and the second side of the ice formation tray, with the ejector shaft passing through a bore in the insert of the ejector.

Abstract: In one aspect, an air conditioning system is provided. The air conditioning system includes a refrigeration circuit having a refrigerant and an economizer circuit, and a subcooling circuit thermally coupled to the refrigeration circuit, the subcooling circuit including a thermal energy storage (TES) unit and a phase change material (PCM) for thermal exchange with the refrigerant.

Abstract: A refrigerator of the present invention comprises: an evaporator; a shroud provided with a suction hole for sucking the air heat-exchanged with the evaporator; a fan motor unit provided to the shroud; a discharge panel provided with a discharge hole for discharging, to a storage chamber, the air flowing by the fan motor unit; and a door for opening and closing the storage chamber, wherein the shroud is provided with a fan motor unit provision part at the surface facing the discharge panel so as to provide the fan motor unit thereto, and the fan motor unit enables the air to flow at a position between the shroud and the discharge panel so as to minimize the passage resistance of the air, which is sucked through the suction hole, and minimize noise.

Abstract: A combined gas-compressor and dehumidifier system composed of a gas compressor for compressing a first gas, a dehumidifier for dehumidifying a second gas, and a cooling system. The gas compressor is composed of one or more compression stages and one or more intercoolers, wherein the one or more intercoolers are connected to a cooling system. The dehumidifier for dehumidifying a second gas is composed of a first dehumidifying stage that uses a first desiccant to adsorb water from the second gas and output a second intermediate gas, a second dehumidifying stage that uses a second desiccant to adsorb water from the second intermediate gas, and a waste heat exchanger, wherein the waste heat exchanger is used to reactivate the first desiccant. The cooling system is composed of a liquid contained in connectors, and the connectors connecting the one or more intercoolers to remove heat from the gas compressor and provide the removed heat to the dehumidifier.

Abstract: Disclosed is a system for independently controlling the climate within a primary zone and at least one secondary zone of a building. The system comprises a primary packaged unit comprising a primary indoor coil and a primary variable speed indoor fan blowing over the primary indoor coil to serve the primary zone of the building. The system further comprises a secondary unit comprising a secondary indoor coil circulating the refrigerant and a secondary variable speed indoor fan blowing over the secondary indoor coil to serve a secondary zone of the building. The primary unit and the at least one secondary unit shares a common variable speed compressor, outdoor coil, and an outdoor fan that are disposed within the primary unit. First and second solenoid valves in the primary unit selectively control refrigerant flow to the primary and secondary units to enable independent control of the zones.

Abstract: A vehicle mounted refrigeration device comprising an outer shell, an inner shell nested in the outer shell, one or more heat sink plates attached to the inner shell, one of an insulating material and a vacuum spacing the inner shell from the outer shell, a control unit, and a compressor mounted to a vibration isolator.

Abstract: A method of lubricant management in a heating ventilation and air conditioning (HVAC) system includes flowing a volume of a compressor lubricant and refrigerant mixture from an evaporator into a lubricant still and stopping the flow of the compressor lubricant and refrigerant mixture into the lubricant still when the mixture fills the lubricant still to a selected level. Compressor lubricant is distilled from the mixture via a thermal energy exchange, and the distillation is stopped when a concentration of compressor lubricant in the lubricant still exceeds a predetermined concentration level. The distillate is urged from the lubricant still.

Abstract: According to some embodiments, a zonal conditioning system for a vehicle comprises a headliner assembly configured to be secured to the top surface of a vehicle interior, wherein the headliner assembly comprises a first side positioned away from the vehicle interior and hidden from the vehicle interior, and a second side positioned toward the vehicle interior, the headliner assembly comprising at least two vents through which air selectively passes. The zonal conditioning system further includes at least two fluid modules positioned along the first side of the headliner assembly, wherein each of the fluid modules comprises a fluid transfer device and an outlet. In some embodiments, at least one property of the air discharged through the first and second vents can be selectively regulated to create separate conditioning zones within the interior of the vehicle.