Patent ID: 8740580

Claim:
A hermetically encapsulated refrigerant compressor comprising: a hermetically sealed compressor housing, in an interior of which operates a refrigerant-compressing piston-cylinder unit, the compressor housing having a compressor housing wall, a suction duct, via which refrigerant is conveyed: into the compressor housing, or into a suction muffler connected to the piston-cylinder unit, a pressure duct, via which refrigerant is conveyed out of the compressor housing by the piston-cylinder unit, and at least one recess provided directly in the compressor housing wall and integrally formed as a single piece with the compressor housing wall; wherein in an operating position the at least one recess is arranged above a passage of the suction duct or the pressure duct through the compressor housing wall such that the at least one recess prevents contact of oil flowing down the compressor housing wall with the suction duct or the pressure duct; and wherein the at least one recess is separated from the passage by a non-recessed portion of the compressor housing wall.