| 摘要 |
A hermetic compressor includes an electric drive portion, a compression portion and a casing. The electric drive portion has a rotor and a stator and generates a driving force to compress a refrigerant in the compression portion. The casing encloses the electric drive portion and the compression portion. The compressor further includes a unit process portion formed on an upper portion of the casing. The unit process portion is processed to have a circular or a polygonal shape from a front view. The unit process portion increases a rigidity of the casing, thereby reducing the amount of noise that is generated from the electric drive portion and the compression portion during an operation of the compressor.
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