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: A refrigerant flow path switching unit, disposed between a heat source unit and a utilization unit and that switches a refrigerant flow in the utilization unit, includes: a flow path switching valve; a case that houses the flow path switching valve; and an electric component box that houses an electric component that controls the flow path switching valve. At least two surfaces of the case include a box attachment part that is configured to attach the electric component box to the case.

Abstract: A fog-based self-powered system for collecting atmospheric water and generating electricity is presented. The system includes a mesh-based fog harvester for accumulating water droplets from atmospheric moisture. A droplet distributor receives accumulated water droplets from the mesh-based fog harvester. A droplet electrical generator harvests energy from the water droplets accumulated in the droplet distributor. The droplet electrical generator includes an electret surface for receiving the water droplets from the droplet distributor and at least two electrodes. A water reservoir receives water droplets from the droplet electrical generator.

Abstract: The purpose of the present invention is to provide a vehicle air conditioning system and a control method of the vehicle air conditioning system which enable detecting leaks of flammable refrigerant without requiring a separate sensor.

Abstract: The present invention relates to a method for controlling a thermal management device (1) of a motor vehicle comprising a refrigerant-fluid circuit comprising a compressor (3), a first heat exchanger (5), an expansion device (7) and the second heat exchanger (9), said thermal management device (1) further comprising an electric heating device (60), said control method involving, upon a starting of the thermal management device (1) from cold, the following steps: direct or indirect heating of the internal air flow (20) by the electrical heating device (60) alone until said internal air flow (200) reaches a target temperature and/or until a predetermined timer has run out, —when the internal air flow (200) has reached its target temperature and/or when the timer has run out, starting the compressor (3) so that the refrigerant-fluid circuit draws heat energy from the external air flow (100) at the second heat exchanger (9) and gives up said heat energy at the first heat exchanger (5).

Abstract: A heat pump includes a refrigerant loop. The refrigerant loop includes a compressor, a first region of a first heat exchanger. The first heat exchanger is positioned immediately downstream of an outlet of the compressor. A second heat exchanger is positioned downstream of the first heat exchanger. A vapor generator is positioned downstream of the first heat exchanger. The vapor generator is positioned upstream of the second heat exchanger in a first mode of operation. The vapor generator is positioned downstream of the second heat exchanger in a second mode of operation. A first branching point is positioned immediately downstream of the first region of the first heat exchanger.

Abstract: A method for operating a cooling device, a cooling device and a test chamber having a cooling device, a temperature of at least ?80° C. or lower being established at the heat exchanger by means of the cooling device having a cooling circuit comprising a refrigerant, a heat exchanger, an internal heat exchanger, a compressor, a condenser and a controllable expansion element of the cooling device, the refrigerant undergoing a phase transition in the heat exchanger, the refrigerant of a high-pressure side of the cooling circuit being cooled by means of the internal heat exchanger, the cooling of the refrigerant of the high-pressure side by means of the internal heat exchanger being used to reduce an evaporation temperature at the expansion element, a zeotropic refrigerant being used as refrigerant, the expansion element being controlled by means of a control device of the cooling device in such a manner that the refrigerant partially freezes during an expansion at the expansion element.

Abstract: A heat pump system includes a first unit; a second unit connected to a first flow path of the first unit; and a third unit connected to a second flow path of the first unit and connected to the second unit. The heat pump system can operate in a cooling and water heating mode and a heating and water heating mode, wherein, in the cooling and water heating mode, the heat pump system is configured to switch a switching assembly to a first position and connect the at least one first heat exchangers and the second heat exchanger in series; in the heating and water heating mode, the heat pump system is configured to switch the switching assembly to a second position and connect the second heat exchanger and the at least one third heat exchangers in parallel.

Abstract: A three-pipe multi-split system. The three-pipe multi-split system includes an outdoor unit, a plurality of indoor units, and a plurality of hydraulic modules connected respectively by air pipes, liquid pipes, and condensate water pipes.

Abstract: An electronic expansion valve includes a valve seat assembly, a first pipe connecting portion, and a second pipe connecting portion. The valve seat assembly includes an outer wall portion, a valve port portion having a valve port, a first valve seat cavity, and a second valve seat cavity. The first valve seat cavity is located above the valve port portion. The second valve seat cavity is located below the valve port portion. The valve port is capable of communicating with the first valve seat cavity and the second valve seat cavity. The first pipe connecting portion is fixedly connected to the outer wall portion located above the valve port portion. The second pipe connecting portion is fixedly connected to the outer wall portion located below the valve port portion. The inner diameter of the second valve seat cavity is greater than the inner diameter of the second pipe connecting portion.

Abstract: An indoor unit of an air-conditioning apparatus includes a back casing and a first top panel having a first pivot axis under the back casing, the first top panel being configured to be attached to the back casing. The first top panel is configured to be detached from the back casing by opening downward from the back casing around the first pivot axis.

Abstract: A method of operating a refrigerant circuit of a cooling system of a vehicle in cooling system mode, having a chiller branch which includes a chiller and a first expansion element connected upstream from it and being thermally coupled to a coolant circuit, at least one interior evaporator branch connected in parallel with the chiller branch, comprising an interior evaporator, a second expansion element connected upstream from it, and a segmentation element connected downstream from the interior evaporator, being adapted to prevent a backflow of refrigerant into the interior evaporator, a refrigerant compressor, and a condenser or gas cooler, wherein the cooling system mode is carried out in single chiller mode by closing the second expansion element and aspirating the refrigerant from the interior evaporator by the starting or already started refrigerant compressor.

Abstract: A hybrid multi-air conditioning system with no receiver is provided for optimal valve control. The hybrid multi-air conditioning system includes: a hot-water unit for exchanging heat between refrigerant and water; at least one indoor unit installed indoors and comprising an indoor heat exchanger and an indoor unit expansion valve; and an outdoor unit connected to the indoor unit and the hot-water unit via a refrigerant pipeline and comprising an outdoor heat exchanger, a compressor, and an outdoor unit expansion valve, wherein, when an abnormal refrigerant enters either the at least one indoor unit or the outdoor unit according to an operation mode, the abnormal refrigerant is shut off from the hot-water unit and the at least one indoor unit or the outdoor unit which operates as a condenser.

Abstract: This application provides an evaporative cooling unit. The evaporative cooling unit includes an outdoor channel, an indoor channel, and a heat exchange apparatus, and, further includes: an air filter and a defrosting apparatus that are disposed in the outdoor channel. The defrosting apparatus is located on a side that is of the air filter and that is close to an air intake vent of the outdoor channel. The defrosting apparatus includes a heat exchange film, and the heat exchange film has a first channel and a second channel that are arranged crosswise. The first channel communicates with the air intake vent of the outdoor channel, the second channel communicates with the indoor channel, and the first channel communicates with the second channel. The defrosting apparatus further includes a switch valve, and the switch valve is configured to control the second channel to communicate with the indoor channel.

Abstract: A refrigeration cycle device includes a high-temperature heating medium regulator and a controller. The high-temperature heating medium regulator regulates a high-temperature heating medium flow ratio between the flow rate of high-temperature heating medium flowing in an air heater and the flow rate of high-temperature heating medium flowing in a radiator. The controller controls the high-temperature heating medium regulator to regulate the high-temperature heating medium flow ratio such that excess heat is radiated to air outside the cabin by the radiator, of the heat radiated from the refrigerant to the high-temperature heating medium by a high-pressure-side heat exchanger, with respect to heat required for heating air blown into a cabin by the air heater to have a target outlet temperature.

Abstract: A refrigeration system includes an evaporator, a condenser, a compressor, a capillary tube, and an expansion device. The compressor is configured to circulate a refrigerant between the evaporator and the condenser. The capillary tube is configured to receive the refrigerant from the condenser. The expansion device is configured to receive the refrigerant from the capillary tube and provide the refrigerant to the evaporator. The expansion device is adjustable to control a flow of the refrigerant through the capillary tube.

Abstract: A graphical display device for mounting to a door of an appliance includes an electronic visual display having a display screen, a housing having a receptacle for receiving the electronic visual display and a mount for affixing the housing to the door of an appliance. The housing additionally includes an internal cavity with a controller retained within the internal cavity, with the controller being operable to selectively enable visual display information to be displayed on the display screen. In a particular embodiment the graphical display device is configured as a housing with the housing including a grip portion and one or more mounts extending rearwardly from the grip portion. The controller may include an interface enabling connection with a remote computer for controlling the visual display information to be displayed on the display screen.

Abstract: A water filter for a refrigerator appliance with a sensor embedded in the water filter and related methods of detecting a leak in the refrigerator appliance are provided. Such methods include, and the refrigerator appliance may be configured for, measuring, by the sensor embedded in the water filter, at least one of water pressure in the water filter and flow through the water filter. A rate of change of the at least one of water pressure in the water filter and flow through the water filter over time is calculated. When there is no system demand for water, a leak is detected based on the increase in the rate of change over time.

Abstract: A Heating, Ventilation, and Air Conditioning (HVAC) system that is configured to receive a refrigerant from a condenser at a fixed expansion device and a variable expansion device. The system is further configured to output a first portion of the refrigerant to a first downstream HVAC component at a fixed flow rate using the fixed expansion device. The system is further configured to sense a temperature of an evaporator using a sensing bulb and to apply a first force to a pin of the variable expansion device based on the sensed temperature. The system is further configured to apply a second force to a valve of the variable expansion device via the force applied to the pin and to output a second portion of the refrigerant to a second downstream HVAC component at a variable flow rate based on the second force using the valve of the variable expansion device.

Abstract: A cooling device for cooling a material to be cooled, comprising an inlet for a cooling medium conducted into a first, upper chamber of the cooling device. First conduits are provided which conduct the cooling medium from the upper chamber into a second, lower chamber of the cooling device. The upper chamber is separated from the lower chamber by a wall. Second conduits are provided which conduct the cooling medium from the lower chamber to at least one outlet opening for cooling medium, via which the cooling medium is discharged onto the material to be cooled.