Suction sound damper for hermetically sealed compressor has insert in housing with side walls forming capillary gap to collect and retaining lubricating oil to act as additional damping

摘要

The damper housing includes an insert (2) with side wall (18) forming with a section (19) of the housing wall a capillary gap (20) in which the lubricating oil is collected and retained. The capillary gap is formed on a two-dimensionally curved section (19) of the housing wall and the insert divides the interior of the housing in an upper and lower chamber (8, 9) with the capillary gap opening towards the lower chamber.