A sealed compressor of the present invention comprises an electric component (103); a compression component (105); a sealed container (101); and a suction pipe (115); wherein the compression component (105) includes a compression chamber (141), and a suction muffler (115) through which a refrigerant gas flows; wherein the suction muffler (157) includes a muffler body (165) in which a muffling space (163) is formed, a tail pipe (159) through which a refrigerant gas is introduced into the muffling space (163); and a muffler cover (169) provided to surround the muffler body (165) such that a first space (167) is formed between the muffler cover (169) and the muffler body (165); wherein the muffler cover (169) is provided with a refrigerant inlet (175) in a portion which faces an outlet (117) of the suction pipe (115) and is in the vicinity of a suction port (171) of a tail pipe (159), the refrigerant inlet communicating the interior of the sealed container (101) with the first space (167).