Hermetic Compressor

Abstract

A hermetic compressor includes a hermetic container having an inner space, a cylinder accommodated in the hermetic container and arranged to compress refrigerant, an intake muffler accommodated in the hermetic container and having a silencer space having a longitudinal direction, a communication tube communicating with the cylinder, and a tail tube communicating with the inner space of the hermetic container. The communication tube and the tail tube have first and second opening ends opening in the silencer space, respectively. The first and second opening ends are located in a predetermined direction from a center of the silencer space along the longitudinal direction of the silencer space. A distance between the first opening end and the second opening end along the longitudinal direction is shorter than at least one of a distance between the first opening end and the center along the longitudinal direction and a distance between the second opening end and the center along the longitudinal direction. The hermetic compressor produces little noise and has a stable performance.

1 . A hermetic compressor comprising:
 a hermetic container having an inner space therein;   a cylinder accommodated in the hermetic container and arranged to compress refrigerant therein;   an intake muffler accommodated in the hermetic container, the intake muffler having a silencer space therein, the silencer space having a longitudinal direction;   a communication tube having a first opening end opening in the silencer space, the communication tube communicating with the cylinder; and   a tail tube having a second opening end opening in the silencer space, the tail tube communicating with the inner space of the hermetic container, wherein   the first opening end and the second opening end are located in a predetermined direction from a center of the silencer space along the longitudinal direction of the silencer space, and   a distance between the first opening end and the second opening end along the longitudinal direction is shorter than at least one of a distance between the first opening end and the center along the longitudinal direction and a distance between the second opening end and the center along the longitudinal direction.   
     
     
         2 . The hermetic compressor according to  claim 1 , wherein an anti-resonant frequency in the silencer space of the intake muffler is identical to a resonant frequency in the inner space of the hermetic container. 
     
     
         3 . The hermetic compressor according to  claim 1 , wherein the communication tube and the tail tube extend in the longitudinal direction. 
     
     
         4 . The hermetic compressor according to  claim 1 , wherein the distance between the first opening end and the center along the longitudinal direction is longer than the distance between the second opening end and the center along the longitudinal direction. 
     
     
         5 . The hermetic compressor according to  claim 1 , wherein the first opening end is located above the second opening end. 
     
     
         6 . The hermetic compressor according to  claim 1 , wherein
 the intake muffler includes a wall defining the silencer space, and the wall includes
 a portion providing the tail tube, and 
 an extension extending in a direction allowing the silencer space to flare. 
   
     
     
         7 . The hermetic compressor according to  claim 1 , wherein oil is spattered in the inner space of the hermetic container.