Compressor

A compressor comprising:

• a case comprising a refrigerant discharge pipe configured to discharge compressed refrigerant to an outside of the case;
• a drive motor disposed in the case;
• a rotary shaft disposed in the case and rotatably coupled to the drive motor;
• a compression unit disposed in the case and configured to compress refrigerant, the compression unit comprising a shaft support portion through which at least a part of the rotary shaft passes and a stepped surface disposed at an outer side of the compression unit;
• a discharge cover coupled to the compression unit and configured to guide refrigerant compressed by the compression unit toward the refrigerant discharge pipe;
• and
• a sealing member disposed between the compression unit and the discharge cover,
• wherein the discharge cover comprises an inner sidewall that is coupled to the shaft support portion and an outer sidewall that defines an outer periphery of the discharge cover, the outer sidewall being coupled to the stepped surface of the compression unit,
• wherein the shaft support portion has a fastening groove defined at an inner periphery of the shaft support portion, the fastening groove receiving the inner sidewall of the discharge cover such that the shaft support portion covers at least a part of the inner sidewall of the discharge cover in an axial direction of the compression unit,
• wherein the sealing member comprises:
• a first sealing member disposed between the inner sidewall of the discharge cover and the shaft support portion, and
• a second sealing member disposed between the outer sidewall of the discharge cover and the stepped surface of the compression unit,
• wherein the shaft support portion defines a first sealing groove in the fastening groove, and the inner sidewall of the discharge cover defines a second sealing groove facing the first sealing groove in the fastening groove, and
• wherein the first sealing groove and the second sealing groove define a first sealing space that receives the first sealing member.