DISCHARGE MUFFLING CHAMBER FOR REFRIGERATION COMPRESSORS AND PROCESS FOR CLOSING A DISCHARGE MUFFLING CHAMBER

摘要

The compressor comprises a crankcase (2) with at least one discharge muffling chamber (10, 20) having a bottom end wall (14, 24) provided with a threaded blind axial hole (14a, 24a), a surrounding lateral wall (13, 23), and an open end (11, 21) which defines an annular seat (12a, 22a) extending throughout the whole radial width of the surrounding lateral wall (13, 23). A sealing gasket (30) comprises a peripheral annular portion (31) to be seated on the annular seat (12a, 22a), and a median hole (32). A cover (40) is seated on the sealing gasket (30) and a fixation bolt (50) has a head (51) seated on the cover (40), a rod (52) disposed through a median hole (41) of the cover (40) and trespassing the median hole (32) of the sealing gasket (30), and a threaded end (53) affixed in the blind axial hole (14a, 24a).