During a first cooling operation, a compressor is in an operational state, a liquid pump is in a non-operational state, and an amount of refrigerant allowing for existence of a liquid surface of the refrigerant in a refrigerant tank is accumulated in the refrigerant tank. During a second cooling operation, the compressor is in the non-operational state, the liquid pump is in the operational state, and the amount of the refrigerant allowing for the liquid surface of the refrigerant in the refrigerant tank is accumulated in the refrigerant tank.

In an entrance refrigerator, a printed circuit board (PCB) on which heat generating components are mounted is disposed inside a housing such that air used to cool a heat sink of a cold air supply device cools the PCB, thereby preventing overheating of the PCB.

Disclosed is a method of maintaining an initial quantity of mRNA vaccine cargo in an EPS container containing dry ice as a passive coolant during shipment from a manufacturing site, wherein the initial quantity of mRNA vaccine cargo is shipped to a first depot and then repackaged into smaller quantities at one or more additional depots en route to the final destinations. Dry ice can be added or ordered in advance to be available at the next depot for the cargo. Indicators show the status of the cargo and whether it has undergone unacceptable temperature or humidity excursions.

A vehicle including a refrigerated compartment having a chamber and a cooling system for cooling the chamber and methods of controlling the cooling system is provided. The vehicle includes a controller that controls a supply of power from a battery of the vehicle to the cooling system based on at least one output signal received from a vehicle component.

A refrigerator includes a temperature sensor; a door sensor; a compressor sensor; an ice sensor; a water sensor; and a defrost sensor. The refrigerator also includes a communication unit; a display unit; at least one processor; and at least one memory connected to the at least one processor and storing instructions that, when executed, perform operations including: sensing, through the plurality of sensors, sensing information related to the refrigerator; storing, in the at least one computer memory, (i) the sensing information, and (ii) time information; transmitting to at least one server, (i) the sensing information and the time information, and (ii) setting information for the refrigerating compartment or the freezer compartment; receiving information regarding an abnormal state of the refrigerator that is generated by a cloud server or a monitoring server based on the sensing information; and outputting display information related to the received information regarding the abnormal state.

A defogging control system includes a plurality of first heating wires, a plurality of second heating wires, an electrical sensor and driver, a timer, an environment sensing module, and a control module. The electrical sensor and driver is utilized to generate a start signal or a stop signal, corresponding to a controller of a refrigeration storage apparatus. The timer is utilized to count a real-time operation time and record a previous operation time. The environment sensing module is utilized to sense a temperature and a humidity. The control module is utilized to control the first heating wires and the second heating wires by the real-time operation time, the previous operation time, the temperature, and the humidity. Further, a defogging control method is also provided.

A set temperature calculating apparatus, a low temperature treatment system, a set temperature calculating method, and a set temperature calculating program are provided for realizing a low temperature treatment. The set temperature calculating apparatus includes: a first obtaining unit configured to obtain data correlating with a heat load in a container storage; a second obtaining unit configured to obtain a set temperature when performing temperature control in the container storage; and a learning unit configured to learn a cargo core temperature in the container storage according to a data set including a combination of the data correlating with the heat load and the set temperature.

A refrigerated device includes a compartment including an access door, and a door sensor for identifying an open condition of the access door. A refrigeration circuit for cooling the compartment includes an evaporator coil with an associated evaporator fan and a condenser with an associated condenser fan. At least one heat source is selectively activatable to provide heat. A controller is configured to selectively activate the heat source based upon an approximated an amount of water that enters the compartment during door open conditions.

A method for reducing sweating in a temperature-controlled display device includes receiving values of an ambient temperature, a door frame temperature, and relative humidity. The method can also include estimating a value of a dewpoint temperature using the values of the ambient temperature and the relative humidity. The method can also include determining control decisions for a door frame heater of the temperature-controlled display device using the value of the dewpoint temperature and the door frame temperature, and transitioning the door frame heater between an on-state and an off-state using the control decisions to maintain the value of the door frame temperature at or above the value of the dewpoint temperature.

A refrigerator comprises: a storage compartment, at least divided into a refrigerating compartment and a freezing compartment a first evaporator, arranged at a cooling compartment connected to the storage compartments through supply air ducts; a second evaporator, arranged inside the freezing compartment a switching valve, used to switch the flow of a refrigerant to a refrigerant channel connected to the second evaporator; a fan, used to enable cooled air in the first evaporator to flow from the cooling compartment to the storage compartments; a first air duct damper, inserted in the supply air duct connected to the refrigerating compartment and a second air duct damper, inserted in the supply air duct connected to the freezing compartment.