Patent ID: 6511297
Filing Date: 2003-01-28
Classification: F04B

Abstract:
A compressor comprising:a housing having a compression chamber, a discharge chamber, and a suction chamber, a refrigerant being sucked from said suction chamber into said compression chamber and discharged from compression chamber into said discharge chamber; a movable member to compress the refrigerant in the compression chamber; a discharge passage connecting the discharge chamber to an external refrigerant circuit; and a suction passage connecting the suction chamber to the external refrigerant circuit; wherein a check valve preventing reverse flow of the refrigerant from said external refrigerant circuit to said discharge chamber, an oil separator separating a mist of lubricating oil contained in the refrigerant from the refrigerant, and an oil passage introducing the separated lubricating oil into a low pressure region in the compressor, are provided in said discharge chamber or said discharge passage.