Patent ID: 8596994

Claim:
A compressor comprising: a compressing mechanism, a discharge chamber configured to receive compressed refrigerant from the compressing mechanism, a housing accommodating the compressing mechanism and the discharge chamber, a discharge port communicating with the discharge chamber through a discharge passage and an external refrigerant circuit, a muffler formed by an expanded space disposed on the discharge passage, and a check valve disposed on the discharge passage, wherein the check valve is disposed in the muffler to open and close an inlet of the muffler, and the muffler is formed by cooperation of the housing and a cover independent of and connected to the housing, wherein the check valve comprises outlet holes formed therein, the outlet holes being open toward the muffler, and the check valve and the cover are disposed such that an end of the check valve, which is on an outlet holes side of the check valve and faces the cover, and the cover form a predetermined spacing therebetween, wherein the discharge passage receives the compressed refrigerant from the discharge chamber, wherein the expanded space forming the muffler receives the compressed refrigerant from the discharge passage after the refrigerant has passed through the outlet holes formed in the check valve, and wherein the discharge port receives the compressed refrigerant from the expanded space forming the muffler and discharges the compressed refrigerant to the external refrigeration circuit.