Refrigerant compressor and refrigerant cycle device including the same

Abstract

An object is to provide a refrigerant compressor which solves a disadvantage that an oil flows into a refrigerant circuit in the outside of the refrigerant compressor during introduction of the oil and which minimizes an amount of the oil to be introduced and which can secure a sufficient amount of the oil, and a refrigerant cycle device including the refrigerant compressor. A rotary compressor (refrigerant compressor) comprises, in a sealed container, an electromotive element as a driving element, and a rotary compression mechanism part driven by this electromotive element and constituted of first and second rotary compression elements, and discharges a refrigerant compressed by the rotary compression mechanism part from the sealed container, the compressor further comprising an oil reservoir constituted in a bottom part of the sealed container; and a servicing pipe 100 attached to the sealed container to introduce the refrigerant and the oil into the sealed container.

1 . A refrigerant compressor comprising, in a sealed container, a driving element, and a compression element driven by the driving element, the refrigerant compressor being configured to discharge a refrigerant compressed by the compression element from the sealed container, the refrigerant compressor further comprising: 
 an oil reservoir constituted in a bottom part of the sealed container; and    a servicing pipe attached to the sealed container to introduce the refrigerant and an oil into the sealed container.    
   
   
       2 . The refrigerant compressor according to  claim 1 , wherein the sealed container includes a container main body having a longitudinally long cylindrical shape, and an end cap which closes an upper-end opening of the container main body, 
 the compression element is contained in a lower part of the container main body, the driving element is disposed in an upper part of the container main body, the oil reservoir is constituted in a bottom part of the container main body, and    the servicing pipe is attached to the container main body above the driving element.    
   
   
       3 . A refrigerant cycle device comprising a refrigerant circuit constituted by connecting the refrigerant compressor according to  claim 1 , a radiator, throttle means, an evaporator and the like to one another by pipes.  
   
   
       4 . The refrigerant cycle device according to  claim 3 , wherein carbon dioxide is used as the refrigerant.  
   
   
       5 . A refrigerant cycle device comprising a refrigerant circuit constituted by connecting the refrigerant compressor according to  claim 2 , a radiator, throttle means, an evaporator and the like to one another by pipes.  
   
   
       6 . The refrigerant cycle device according to  claim 5 , wherein carbon dioxide is used as the refrigerant.