Abstract: A purifier includes a housing, including an air outlet and an air duct communicating with the air outlet; a fan installed in the air duct; and a humidification device installed in the housing and located outside the air duct. The humidification device includes an ultrasonic atomization assembly and an exhaust pipe, one end of the exhaust pipe is connected to the ultrasonic atomization assembly, and another end of the exhaust pipe is extended into the air duct.

Abstract: Provided is a method of controlling an ice-detaching temperature of an icemaker, including a first step of performing an ice-making operation in an ice-making unit, and counting a required ice-making time period from a starting point in time of the ice-making operation to an end point in time of the ice-making operation; a second step of acquiring the counted required ice-making time period, and acquiring an ambient temperature from an external temperature sensor; a third step of determining a variable ice-detaching time period, depending on the acquired ambient temperature and the acquired required ice-making time period; and a fourth step of using the determined ice-detaching time period to perform an ice-detaching operation. Ice of a cold plate is completely separated from the cold plate during an ice-detaching operation under conventional temperature conditions and even under harsh environments, preventing icemaker failure and increasing ice-making capacity.

Abstract: An integrated hydrogen fueling station for fueling of vehicle tanks with hydrogen comprising an electrochemical compressor in which secondary hydrogen originating from leakage, boiling-off or venting of hydrogen-containing gas in one or more mechanical hydrogen compressors is collected and transferred to the electrochemical compressor and compressed by the electrochemical compressor, wherein the secondary hydrogen contains hydrogen and further gaseous components. A method for operating a hydrogen fueling station for fueling of vehicle tanks with hydrogen wherein secondary hydrogen originating from leakage, boiling-off or venting of hydrogen-containing gas in one or more mechanical hydrogen compressors of the fueling station operative units is collected and transferred to an electrochemical compressor and compressed in the electrochemical compressor, and wherein the secondary hydrogen contains hydrogen and further gaseous components.

Abstract: A refrigerator includes a cabinet, an evaporator, a shroud, a grille panel coupled to a front surface of the shroud, and a blower fan module disposed between the grille panel and the shroud and configured to blow the cool air from the evaporator toward a freezing compartment. The blower fan module includes an installation frame defining a first plane that faces a rear surface of the grille panel, and a second plane that faces the front surface of the shroud, a hub part that is rotatably coupled to the second plane of the installation frame and faces an inlet hole of the shroud, and a blower impeller disposed in the hub part.

Abstract: An ice maker, may include a first tray forming a part of a plurality of ice-making cells; a second tray forming another part of the plurality of ice-making cells; and a heater arranged on the first tray or the second tray, wherein the heater supplies heat to the plurality of ice-making cells.

Abstract: A device a device for storing and supplying fluid fuel is provided, in which the device may include: a tank for liquefied fuel gas balanced with a gaseous phase, in particular a hydrogen gaseous phase, a circuit for filling the tank, at least one circuit for extracting fluid from the tank, at least one circuit for controlling the pressure in the tank, the circuits for filling, extracting and controlling the pressure comprising a valve assembly arranged in a housing which is separate from the tank, the housing being detachably connected to the tank via a removable mechanical coupling system, the extraction circuit, the pressure control circuit and the filling circuit comprising an assembly of removable fluid connections which are located at the junction between the tank and the housing and configured to enable separation between the portions of circuits located in the tank and in the housing when removing the housing from the tank.

Abstract: The device includes a disk having a central aperture therethrough, wherein the disk defines an interior volume about the central aperture. The disk is dimensioned to partition a cooler into an upper compartment and a lower compartment. A regulator includes an upper portion and a lower portion, wherein the lower portion is removably securable within the central aperture. An opening is disposed within the upper portion and is in fluid communication with a channel extending through the regulator. An elongated rod having an upper end opposite a lower end is removably securable to the upper portion of the regulator. A platform is disposed on the upper end of the elongated rod.

Abstract: A refrigerator includes a first air duct, a second air duct, a door, and a gasket. The door has an ice maker disposed therein. The door also has a third air duct disposed along an internal side panel. The third air duct defines inlet and outlet orifices configured to establish fluid communication between first and second air ducts and the ice maker, respectively. The gasket is overmolded onto the third air duct and is configured to from a seal along an interface between the third air duct and the first air duct, and along an interface between the third air duct and the second air duct.

Abstract: An ice bin for a refrigerator appliance, the ice bin includes a storage body. An auger, rotatably driven by an auger motor, extends within the storage body and has first and second ends. The auger is rotatably driven about a first axis. A first crusher roller is disposed at the second end of the auger and is coupled thereto to rotate together with the auger about the first axis. A second crusher roller is disposed on an axle extending along a second axis, the second crusher roller is freely rotatable about the axle. The second crusher roller is movable between a first position and a second position. When the second crusher roller is in the first position, the first crusher roller and the second crusher roller are spatially arranged and configured to grind the produced ice pieces into crushed ice.

Abstract: A central air conditioning and heat pump system includes a main heat exchange system and a cooling arrangement. The main heat exchange system includes a compressor, a first heat exchanger, a second heat exchanger. The cooling arrangement includes a cooling tower and a cooling heat exchanger. When the central air conditioning and heat pump system is selectively operated in a comprehensive air conditioning mode, refrigerant may be cooled both by water and ambient air in the cooling arrangement and the second heat exchanger respectively.

Abstract: A compressed air drying system is provided for removing moisture from compressed air. The dryer operates in two modes in response to the demand for compressed air. In a first mode of operation, a refrigeration compressor runs continuously and the speed of a condenser fan is varied to maintain a constant cooling temperature. In a second mode of operation, the refrigeration compressor runs intermittently between on and off periods. As result, the cooling temperature fluctuates during the second mode of operation.

Abstract: An air cooled steam condenser having heat exchanger panels supported in a heat exchange frame section. A bottom bonnet runs along the bottom length of each heat exchanger panel for delivering steam to the bottom end of condenser tubes in the heat exchange panel and for receiving condensate formed in those same tubes. The tops of the tubes are connected to a top bonnet. Uncondensed steam and non-condensables are drawn into the top bonnet from the condenser tubes. A steam distribution manifold is located below the heat exchange section perpendicular to the longitudinal axis of the heat exchange panels and delivers steam to each heat exchange panel via a single steam inlet located at a center point of each bottom bonnet.

Abstract: Examples relate to heat exchangers that may include a baffle with apertures for use in an HVAC system. Some example heat exchangers may include a coil assembly that includes a pair of coil slabs each including first and second tube sheets and the baffle. A first end of the tube sheets may be located proximate a first end of the coil assembly. Each of the apertures of the baffle may be configured to detachably engage with a hook located on a first end of each tube sheet such that the plurality of apertures couple the baffle to the first end of the first tube sheet and the first end of the second tube sheet of each coil slab. The baffle thus may caps the coil assembly to minimize airflow through the first end of the coil assembly.

Abstract: During operation of a compressor, an indoor heat exchanger operates as a condenser, a first valve between a second junction portion and a refrigerant flow switching device is closed, and a second valve in a bypass pipe connecting a first junction portion and the second junction portion is opened, a refrigeration cycle apparatus detects an abnormality when a temperature obtained by subtracting a temperature of refrigerant at a gas portion of the indoor heat exchanger measured by a third temperature sensor from a saturation temperature obtained by converting a condensing pressure of the refrigerant is larger than a first threshold temperature, or when a temperature obtained by subtracting a temperature in a room measured by a first temperature sensor from a temperature of refrigerant at a liquid portion of the indoor heat exchanger measured by a second temperature sensor is smaller than a second threshold temperature.

Abstract: A food pan cooling system includes a housing with a food item holding arrangement including a recessed well area defining at least a first food pan receiving location and a second food pan receiving location. The first food pan receiving location includes a first cooled wall structure in the recessed well area to at least in part define the first food pan receiving location, the first cooled wall structure having a first surface facing the first food pan receiving location. A first thermal shim is connected to the first cooled wall structure, the first thermal shim having a first shim surface and a second shim surface, the first shim surface at least partly in contact with the first surface of the first cooled wall structure, and the second shim surface facing the first food pan receiving location.

Abstract: For controlling opening (B2) of a valve in an HVAC system to regulate the fluid flow through a thermal energy exchanger and adjust power transfer of the thermal energy exchanger, a control system sets (S6) a control signal for the valve to different setpoints and records (S1) a plurality of data points. Each data point includes for a certain setpoint operating data values related to the power transfer effectuated by the thermal energy exchanger with the control signal set to the certain setpoint. The control system determines (S2) a fitting curve for the data points and determines (S3) a transformation which transforms the fitting curve into a transformed curve having a given target shape. The control system controls (B2) the opening of the valve by transforming (S5) the setpoint to a transformed setpoint, using the transformation, and setting (S6) the control signal for the valve to the transformed setpoint.

Abstract: A refrigerator includes: a storage chamber in which food is stored; a cold air supply means for supplying cold air to the storage chamber; a tray forming an ice-making cell; a heater for supplying heat to the tray; and a controller for controlling the heater. The controller turns on the heater in at least a part of a range in which the cold air supply means supplies cold air such that air bubbles dissolved in water inside the ice-making cell can move from ice-generating parts to liquid-state water, thereby generating transparent ice. The controller determines whether or not the heater is functioning abnormally in the ice-making process. If it is determined that the heater is functioning abnormally, the controller supplies water to the ice-making cell by a second amount of water supply, which is smaller than the first amount of water supply, during the next water supply process.

Abstract: A refrigerator includes a first tray forming a part of an ice-making cell in which water undergoes a phase change to ice due to the cool air, a second tray forming another part of the ice-making cell and in contact with the first tray during an ice-making process, a water supply to supply water to the ice-making cell, a heater which is adjacent to at least one of the first tray or the second tray; and a controller to control the heater. The second tray is moveable with respect to the first tray, and the controller is configured to control a movement of the second tray.

Abstract: A refrigerating and freezing device (1) includes a cabinet, wherein at least one storage compartment (11) is defined therein, and a heating cavity is defined in one of the storage compartments (11); and an electromagnetic heating device, configured to supply electromagnetic waves into the heating cavity so as to heat a to-be-processed object in the heating cavity, wherein the electromagnetic heating device is provided with an electromagnetic generation module (21) configured to produce an electromagnetic wave signal. A containing groove (12) with an upward opening is provided in a top of the cabinet (10), the opening of the containing groove (12) is covered with a cover (13) so as to define a containing space (14) between the containing groove (12) and the cover (13), and heat dissipation holes configured to achieve communication between the containing space (14) and an external environment where the cabinet (10) is located are provided in the cover (13).

Abstract: A refrigerator contains a dispenser for ice and/or liquid. A dispenser housing covers an opening in an outer shell of the refrigerator. The dispenser housing delimits a dispenser recess that extends outward and upward over an upper edge of the opening and is assembled from at least one main part, which extends from a lower edge of the opening over a rear wall to a front edge of a ceiling of the dispenser housing, and a filling part, which extends from the front edge to an upper edge of the opening.