Abstract: A blower mounting assembly of a heating, ventilation, and/or air conditioning (HVAC) system includes a bracket assembly including a base panel, a plurality of mounting flanges extending from the base panel, and an alignment flange extending from and transverse to the base panel. The blower mounting assembly includes a first mounting aperture extending through the base panel in a first direction and includes second mounting apertures extending through the plurality of mounting flanges in a second direction transverse to the first direction. The blower mounting assembly includes a bolt configured to extend through and slidably engage with an aperture of the alignment flange and a blower mounting skid such that the bolt limits movement of the blower mounting skid relative to the bracket assembly. The aperture of the alignment flange extends through the alignment flange in a third direction transverse to the first mounting aperture and the second mounting apertures.

Abstract: A dehumidifier includes a housing having a mounting groove, a water tank detachably inserted in the mounting groove and including an abutment member, a pump assembly including a water pump and a water pump inlet pipe, a water tank outlet pipe, and a micro switch installed at the housing. A first end of the water pump inlet pipe is connected to the water pump. A first end of the water tank outlet pipe is detachably connected to a second end of the water pump inlet pipe. A second end of the water tank outlet pipe is located in the water tank. When the water tank is installed in place, the micro switch is pressed by the abutment member to connect the water pump to a power supply, and the water pump inlet pipe is communicated with the water tank outlet pipe.

Abstract: An air gas separation plant comprising, in the direction of circulation of the air stream: a compression means that makes it possible to compress the air stream to a pressure P1 of between 1.15 bar abs and 2 bar abs, an adsorption unit of TSA type, and a cryogenic distillation unit, with the adsorption unit comprising at least two adsorbers A and B each having a parallelepipedal casing arranged horizontally and comprising: an air stream inlet and an air stream outlet, a fixed bed adsorbent mass, likewise of parallelepipedal shape, the faces of which are parallel to the faces of the casing; and a set of volumes allowing the air stream to pass through the adsorbent mass horizontally, over the entire cross-section and throughout the entire thickness thereof.

Abstract: An embodiment method for controlling a heating, ventilation, and air conditioning (HVAC) system of a vehicle includes determining a target subcooled temperature of a refrigerant based on a temperature and a pressure of the refrigerant discharged from an outlet of a compressor when the compressor operates, calculating a change in enthalpy of the refrigerant based on the determined target subcooled temperature in a process of condensing and subcooling the refrigerant, calculating a change in enthalpy of air passing over an exterior surface of a condenser based on the calculated refrigerant enthalpy change, and calculating a required fan duty of a cooling fan based on the calculated air enthalpy change, wherein the cooling fan is configured to blow the air to the condenser.

Abstract: In a refrigeration and air-conditioning apparatus, an inner diameter of an upward-flow pipe is defined as an inner pipe diameter, where a spherical droplet of refrigerating machine oil with a diameter equal to the inner pipe diameter is defined as a spherical refrigerating machine oil droplet, and where a force received by the spherical refrigerating machine oil droplet from refrigerant in liquid form flowing upward through the upward-flow pipe is defined as a fluid force, the refrigerant in liquid form flows upward through the upward-flow pipe at such a speed that the fluid force is greater than a gravitational force applied to the spherical refrigerating machine oil droplet.

Abstract: An air conditioner includes: a fan configured to discharge air cooled by a refrigerant; and at least one processor configured to receive a user input for setting an airflow volume of air to be discharged and a desired temperature, increase a frequency of the compressor to a first critical frequency and maintain the frequency of the compressor as the first critical frequency in response to determining that a temperature difference between an indoor temperature and a desired temperature exceeds the critical temperature difference while controlling the fan to discharge the air with the set airflow volume, determine whether an unsatisfactory condition has occurred, based on at least one cool air-conditioning sensation measurement item while maintaining the first critical frequency, and increase the frequency of the compressor to a second critical frequency to further decrease a current temperature of the air in response to determining that the unsatisfactory situation has occurred.

Abstract: A system for recovering natural gas liquid from a gas source, comprising compression means (206) for increasing the temperature and pressure of the fluid from the gas source, cooling means (230) for cooling the fluid from the compression means, a gas/gas heat exchanger (204), fluid from the gas source flowing from a first inlet to a first outlet; at least one separator (208) for receiving the fluid from the first outlet of the gas/gas heat exchanger (204) and separating liquid from the gas, the gas from the separator being directed to expansion means (206) for reducing the temperature and pressure of the gas, the aqueous part of the liquid from the separator and/or the gas from the expansion means being directed to the gas/gas heat exchanger (204) where it flows therethrough from a second inlet to a second outlet for cooling the fluid flowing between the first inlet and first outlet, wherein injection means are provided between the cooling means and the gas/gas heat exchanger for saturating the gas with a liq

Abstract: An air conditioning capacity presenting system presents a capacity of an air conditioning apparatus including at least one outdoor unit, at least one indoor unit, and a connection pipe that connects the outdoor unit and the indoor unit. The air conditioning capacity presenting system includes first acquisition unit, a measurement unit, a second acquisition unit, and a capacity calculating unit. The first acquisition unit acquires outdoor unit capacity information, which is a rated capacity of the outdoor unit or information related to the rated capacity. The measurement unit measures power consumption of the outdoor unit. The second acquisition unit acquires an outside air temperature, which is a temperature of air around the outdoor unit. The capacity calculating unit obtains a calculation value of the capacity of the air conditioning apparatus based on the outdoor unit capacity information, the power consumption, and the outside air temperature.

Abstract: An indoor unit of a refrigeration apparatus, to be disposed in a ceiling, includes a casing that has blow-out ports and a blow-in port disposed in a lower surface, a plate-shaped member disposed below the blow-in port, and a filter disposed above an opening in the plate-shaped member. The casing accommodates a heat exchanger, a control board, a support member supporting the control board, and a gas sensor disposed at or adjacent to the support member and between the casing and the plate-shaped member. The gas sensor detects the refrigerant flowing out of the blow-in port due to refrigerant leakage, and the gas sensor is removable when the plate-shaped member is shifted.

Abstract: An ice cube producing unit comprising a tray formed as an ice cube tray having at least one ice cube compartment, a lid which is suitable for being mounted on the tray to seal contents of the at least one ice cube compartment inside said at least one ice cube compartment, a displacing mechanism connecting the tray and the lid and having two positions: a closed position where the lid is held in a position where it abuts the tray and an open position where the lid is held in a position where it is separated from the tray so that an ice cube formed in the tray can leave the tray. The displacing mechanism comprises a bi-stable element arranged between the lid and the tray, said bi-stable element having a first stable state when the tray and the lid are in the closed position and a second stable state when the tray and lid are in the open position. In this way, a simple construction is provided which is easy to use and has a simple displacing mechanism.

Abstract: An air-conditioning management system includes: an air conditioning apparatus configured to carry out a refrigerant recovery operation of recovering a refrigerant from a refrigerant circuit that connects an outdoor unit and an indoor unit and sending the recovered refrigerant to each recovery unit of the outdoor unit; and a control unit configured to make a determination whether all the recovered refrigerant is sendable to each recovery unit before a start of the refrigerant recovery operation by the air conditioning apparatus, and to output, when determining that all the recovered refrigerant is not sendable to each recovery unit, a command for notifying the determination.

Abstract: A traveling service tool that is configured to removably attach to a fluid access port of a refrigerant system. The fluid access port can be the fluid access port described herein or an existing fluid access port. When used with the fluid access port described herein, the traveling service tool is configured to hold a removable core during processing, and ultimately install the core into the fluid access port at a suitable stage in the processing operations. In an embodiment, the traveling service tool remains attached to and travels with the refrigerant system for the refrigerant system to be processed at two or more separate fluid processing stations.

Abstract: A water-based refrigerant for a thermal working machine. The refrigerant for a thermal working machine (150) having an evaporator (A), a condenser (B), a compressor (CGL), and a throttle element (D). The refrigerant is based on water and comprises a refrigerant component with a hydroxyl group, for example in the form of ethanol. The use of such a mixture as a refrigerant for a thermal working machine and for a thermal working machine having such a refrigerant, and to a method for operating a thermal working machine having such a refrigerant is also disclosed.

Abstract: A magnetic refrigeration apparatus includes a main channel, a magnetic refrigerator, a fluid transfer mechanism connected to the main channel, and at least one control valve. A heating medium flows through the main channel. The magnetic refrigerator includes a magnetic working substance, a casing having a channel connected to the main channel, and a magnetic field modulator that applies a magnetic field variation to the magnetic working substance. The fluid transfer mechanism alternately performs a first operation of transferring the heating medium in the main channel in a first direction, and a second operation of transferring the heating medium in a second direction opposite to the first direction. The main channel includes at least one branch channel branching from a portion of the main channel between the magnetic refrigerator and the fluid transfer mechanism. The at least one control valve is connected to the at least one branch channel.

Abstract: A dedicated outside air-conditioning system (DOAS) that may automatically generate variable subcooling refrigerant delivered to the evaporator; and modulate hot discharge gas to reduce the relative humidity of the discharge air from the DOAS. The DOAS may include fluid control valves configured to regulate delivery of the refrigerant in order to seamlessly flex between maximum latent capacity (minimum discharge dewpoint) and maximum sensible capacity (minimum leaving air discharge dry bulb temperature) to match load and/or ventilation air requirements.

Abstract: A refrigeration system includes a compressor connected to a first heat exchanger and a second heat exchanger. An expansion device is connected between the first heat exchanger and the second heat exchanger. A ratio of a volume of the first heat exchanger to a volume of the second heat exchanger is between 0.6 and 1.8.

Abstract: In order to provide climate control system for heating or cooling a space, in particular a vehicle interior, having a compressor for conveying a refrigerant, which can efficiently use the refrigerant CO2 for heat pump applications as well, it is proposed to arrange a high-pressure chiller for cooling the refrigerant downstream of the compressor and a low-pressure chiller for heating the refrigerant upstream of the compressor, wherein a refrigerant exiting from the high-pressure chiller can be supplied to a motive mass inlet of a first ejector and a refrigerant exiting from the low-pressure chiller can be supplied to a suction mass inlet of the first ejector, and wherein an outlet of the first ejector is connected directly or indirectly to a liquid separator.

Abstract: A refrigeration cycle system includes a refrigeration cycle, a communication line, a refrigerant sensor to detect a refrigerant leak, a safety device, and a first electric wire different from the communication line. The refrigeration cycle unit includes utilization-side and heat source-side units connected by refrigerant connection pipe. The sensor is connected to the utilization-side unit. The safety device includes at least one of an alarm that makes a notification of refrigerant leak upon detection by the sensor, a ventilation device that operates upon detection of the leak, and a shutoff valve device that closes a shutoff valve on the pipe upon detection of the leak. The first electric wire is dedicated for interlock and connects between the utilization-side unit and safety device. The heat source-side unit is prohibited from operation when the utilization-side unit is not connected to the safety device via the first electric wire.

Abstract: The present invention relates to a Korean underfloor heating block set, and more specifically, to a Korean underfloor heating block set which makes it possible to more easily and quickly construct a Korean underfloor heating system when constructing or repairing Korean underfloor heating system of a structure such as a building, an apartment, a general house, etc., as well as to create a more eco-friendly residential space while providing effects beneficial to a human body through loess, sericite, precious serpentine, and gelite. Through the present invention, provided is an effect that makes it possible to safely insert, without misalignment, an XL-pipe that is bent to be rounded at a corner or an edge, by forming a lower plate pipe (110) and an upper plate pipe (210) to include a U-shaped pipe portion, a curved branch type pipe portion, and a linear type pipe portion.

Abstract: An improved heat pump apparatus configured to transfer heat by circulating a refrigerant through a cycle of evaporation and condensation without the need to run a defrost cycle—the No-Frost Heat Pump (NFHP)—is provided. The NFHP is configured with a four-way valve, a suction accumulator, and a compressor to pump and exchange a refrigerant between two heat exchange coil/coils—an outdoor heat exchange coil/coil (also known as the source coil) and an indoor heat exchange coil/coil (also known as the load coil)—in order to exchange heat between the indoor/outdoor heat exchange coils. The NFHP is further configured with a means for controlling hot gas discharge—the means comprising a discharge valve or a discharge gas injection valve configured to inject refrigerant into the outdoor heat exchange coil inlet/source coil, thereby preventing the formation of ice/frost on the surface of the coil while operating in heating mode at low outdoor ambient temperatures.