A refrigerator includes a compressor to compress refrigerant, a condenser to liquefy the refrigerant supplied from the compressor, a capillary tube to decompress and expand the refrigerant supplied from the condenser, an evaporator to vaporize the refrigerant supplied from the capillary tube, a shutoff valve installed at an inlet of the capillary tube so as to prevent the refrigerant in the condenser during stoppage of the compressor from being moved to the evaporator, and a control unit to enable the shutoff valve to be blocked together so as to prevent movement of the refrigerant from the condenser to the evaporator during stoppage of the compressor, and to enable the shutoff valve to be opened together so as to move the refrigerant from the condenser to the evaporator during starting of the compressor.

A distributor includes a main body. The main body includes a refrigerant inflow path, a plurality of refrigerant outflow paths, a distribution path communicating with the refrigerant inflow path and the plurality of refrigerant outflow paths, and a plurality of tapered paths each communicating between corresponding one of the plurality of refrigerant outflow paths and the distribution path. The tapered paths each have an inlet opening and an outlet opening, the inlet opening being larger than the outlet opening.

A bottom-freezer refrigerator has an ice making compartment formed in a door thereof. Cold air formed in independent spaces of the refrigerating compartment is individually guided to the ice making compartment and the refrigerating compartment, thereby reducing power consumption and noise to be caused as the length of a fluid passage is increased. Foods are refrigerated or frozen and stored in a clean state. The foods in the refrigerating compartment are freshly stored in a high moisture state, and the door is prevented from being forcibly open.

A refrigeration system including a suction line heat exchanger having a first conduit including a refrigerant liquid which flows inside of the first conduit from the condenser to the evaporator. Also the refrigeration system includes a second conduit in thermal communication with the first conduit and includes a refrigerant fluid, typically a vapor, which flows inside of the second conduit in an opposite direction of flow from the first conduit from the evaporator to the compressor. Additionally, at least one heating device is in thermal communication with at least one of the first conduit and second conduit and is configured to communicate with a refrigeration control system to apply heat along a portion of both the first conduit and the second conduit adjacent to the heating device thereby regulating the flow rate of the refrigerant liquid in the first conduit and the second conduit.

A notifier notifies a user of a warning when a ratio of first refrigerant is different from a suitable value, the ratio being determined from a first difference between a first temperature and a second temperature and from a second difference between a third temperature and a fourth temperature. The first temperature is a temperature of non-azeotropic refrigerant mixture between first heat exchanger and a second heat exchanger. The second temperature is a temperature of the non-azeotropic refrigerant mixture between the second heat exchanger and first expansion valve. The third temperature is a temperature of the non-azeotropic refrigerant mixture between a first decompressor and first connecting point. The fourth temperature is a temperature of the non-azeotropic refrigerant mixture between a second decompressor and the first connecting point.

The present invention provides precise temperature control of a cooling chamber and comprises: a cooling chamber; a refrigeration circuit having a compressor, a condenser installed at the outlet side of the compressor, an evaporator, installed between the outlet side of the condenser and the inlet side of the compressor, for cooling the cooling chamber, and a decompression means installed at the inlet side of the evaporator; and a refrigerant control unit which has a refrigerant control valve installed between the condenser and the evaporator, and which adjusts the refrigerant flow rate that flows into the evaporator by controlling the opening/closing time of the refrigerant control valve.

A refrigeration device with a refrigerant circuit for cooling at least two cooling chambers. The device has a condenser of the refrigerant circuit configured to liquidize refrigerant, a compressor of the refrigerant circuit compresses refrigerant, a first evaporator of the refrigerant circuit cools a first cooling chamber of the refrigeration device, a second evaporator of the refrigerant circuit cools a second cooling chamber of the refrigeration device, and a multi suction line of the refrigerant circuit connects the condenser with the compressor. The first and second evaporators are positioned on the multi suction line in a consecutive order. The multi suction line has a first capillary tube, a second capillary tube, and a suction pipe. The first capillary tube connects the condenser with the first evaporator, the second capillary tube connects the condenser with the second evaporator, and the suction pipe connects the first and second evaporator with the compressor.

A portable self-refrigerating autonomous system comprises a leak-tight tank in which a pressurized liquefied gas is stored, at least one evaporation control valve and a filling valve, all the valves being connected to the leak-tight tank. The at least one evaporation control valve also cooperates with a temperature and/or pressure sensor, and an actuator is intended for controlling the opening of the at least one evaporation control valve.

A single-circuit refrigerator includes a refrigerant circuit in which the following are connected in series one after another between a pressure port and an intake port of a compressor: a condenser, a first throttle section, a first evaporator for cooling a first temperature zone of the single-circuit refrigerator, a second throttle section, a second evaporator for cooling a second temperature zone of the single circuit refrigerator, and an intake line. A downstream section of the intake line is connected with the first throttle section to form a first heat exchanger, and an upstream section of the intake line is connected with the second throttle section to form a second heat exchanger.

A temperature homogenizing container and a refrigerator having same. The container comprises a body and an accommodating space that is enclosed by the body. The body comprises several capillary tube cavities provided therein and allowing flow of a heat exchange medium. A micro-tooth structure is provided on the inner wall of each capillary tube cavity. The heat exchange medium may flow in the capillary tube cavities along an extension direction of the capillary tube cavities. By setting the container body to comprise several capillary tube cavities therein, the temperature homogenizing effect and heat exchange efficiency of the container are improved; by providing the micro-tooth structure, the heat exchange efficiency is further improved; the temperature difference of different areas in the container is reduced, and temperature homogenization in the container is achieved.