摘要:
An oil circulation structure for a linear compressor and a method of the same are disclosed. The oil circulation structure includes an exhaust portion oil circulation path in which an oil is circulated at an exhaust portion at which a gas compression and exhausting operation is performed, for thereby cooling the exhaust portion, a cylinder cooling oil circulation path communicating with one side of the exhaust portion oil circulation path for cooling an outer surface of the cylinder, a friction portion cooling oil circulation path for cooling a friction portion between the cylinder and the piston, a plurality of oil through holes formed at the cylinder for communicating the cylinder cooling oil circulation path with the friction portion cooling oil circulation path, an oil supply path for supplying the oil pumped from the oil supply unit into the cylinder cooling oil circulation path, and an oil exhaust hole formed at the frame and communicating another side of the exhaust portion oil circulation path for thereby returning the oil into the hermetic container, for thereby increasing a cooling effect of a cylinder and exhaust portion and a lubricating performance of a friction portion, enhancing the efficiency of a compressor, and decreasing an oil flowing noise for thereby enhancing a reliability of the product.
摘要:
A linear compressor includes a casing having a suction pipe and a discharge pipe and a unit including a cylinder formed therein and an inner stator assembly and an outer stator assembly installed on the exterior of the cylinder and a magnet assembly inserted into the certain void of the inner and outer stator assembly for performing a reciprocating motion linearly and a piston connected to the magnet assembly by forming a connection portion and a gas through hole formed in the connection portion of the magnet assembly and piston, which is capable of decreasing a flow resistance by forming the gas through holes in the connection portion of the magnet assembly and the piston and decreasing the specific volume of the suction coolant by making the coolant gas filled the both area of the connection portion flow reciprocally in the reciprocating motion of the piston.
摘要:
A refrigerator control method is provided that may efficiently perform a defrosting operation. The method includes performing a normal operation of a refrigerating storage room and a normal operation of a freezing storage room selectively or simultaneously, setting a variable defrosting period, which is varied according to set parameters including the relative humidity of external air, and performing a defrosting operation based on the set defrosting period.
摘要:
A refrigerator control method is disclosed which ensures efficient operation of a compressor. To control a refrigerator including a compressor, a first evaporator and a second evaporator connected to the compressor, and a refrigerant control valve that controls introduction of a refrigerant into the first evaporator and the second evaporator, the refrigerator control method includes operating the compressor, and controlling the opening and closing of the refrigerant control valve, to reduce not only consumption of electricity by the compressor, but also a pressure difference between an entrance and an exit of the compressor upon starting of the compressor.
摘要:
A linear compressor for multi-compression includes a stationary cylinder, a moving piston, and a stationary piston. The stationary cylinder has a first compression chamber formed therein. The stationary cylinder is provided at one side thereof with an outlet part. The moving piston is movable forward and backward by a linear motor, that compresses a fluid in the first compression chamber. The moving piston has a second compression chamber formed and is provided, at the position where the second compression chamber communicates with the first compression chamber, with a first valve. The stationary piston is fixedly disposed in the compressor. The stationary piston is fitted in the moving piston so that the fluid in the second compression chamber is compressed as the moving piston is reciprocated.
摘要:
A refrigerant circulation apparatus utilizing two evaporators operating at respectively different evaporating temperatures which is capable of efficient refrigerant circulation by performing a heat exchange by contact between a refrigerant pipe guiding refrigerant discharged from a condenser to an evaporator and a refrigerant pipe guiding refrigerant discharged from the evaporator to a compressor in order to enhance the refrigerating ability when an evaporator is operated at a high evaporating temperature and pressure, includes a compressor, a condenser, a plurality of evaporators operating at different respective evaporating temperatures, a first plurality of refrigerant pipes for guiding the refrigerant discharged from the condenser to the plurality of evaporators, and a second plurality of refrigerant pipes predetermined portions of which are in heat exchanging contact with the first plurality of refrigerant pipes.
摘要:
A refrigerator and a control method of the same are disclosed. A refrigerator includes a plurality of evaporators and a refrigerant path conversion device connected with the plurality of the evaporates, the refrigerant path conversion device controlling a path of refrigerant to perform defrosting operations for predetermined evaporators and cooling operations for the other evaporators.
摘要:
A refrigerator is provided. The refrigerator may include a body having a storage room, an ice making chamber formed separately from the storage room, and a thermoelectric-module provided in the ice making chamber to generate cold air. The thermoelectric-module does not require a cold air duct to cool the ice making chamber. As a result, space utilization is improved and a capacity of the refrigerator is improved. In addition, energy efficiency may be enhanced because a heater is not required to remove the frost from a cold air duct.
摘要:
A reciprocating compressor includes a reciprocating motor that generates a reciprocation force and a compressing unit to which a discharge pipe that discharges a compressed fluid is connected. The compressing unit compresses a fluid by receiving the reciprocation force generated by the reciprocating motor. A frame, to which the reciprocating motor and the compressing unit are fixed, is connected to a suction pipe that sucks a fluid to be compressed at one side thereof, and that contains lubricating oil therein.
摘要:
A refrigerator includes a refrigerating compartment, a freezing compartment, and a switching compartment to store food items. Various elements are provided to maintain the three compartments at selected target temperatures. A heater and/or a light source may be provided to rapidly heat the switching compartment when the switching compartment is being changed from a freezing operation to a refrigerating operation.