Patent ID: 7568894

Claim:
A hermetic compressor comprising: a housing accommodating a motor and a compressing mechanism driven by the motor; refrigerating machine oil pooled in the housing; and an oil surface sensor disposed to a side wall of the housing, wherein the oil surface sensor includes: a detector for detecting a position of oil surface of the machine oil; a hermetic terminal integrally formed with the detector; a first cylindrical tube having a first end and a second end, the first cylindrical tube having a smaller diameter than that of the housing; second and third cylindrical tubes, each having a smaller diameter than the first cylindrical tube; and a lid at the second end of the first cylindrical tube, the lid including at least two openings from which the second and third cylindrical tubes extend to the side wall of the housing, wherein the hermetic terminal is disposed at a first end of the first cylindrical tube, and the detector is disposed inside of the first cylindrical tube and outside of the housing.