SCROLL COMPRESSOR

摘要

A scroll compressor is provided that may include a casing including a rotational shaft, a cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll revolved by rotation of the rotational shaft, a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, the second scroll including a discharge, through which a refrigerant pressed in the compression chamber may be discharged, a switching device movably disposed on or at one side of the discharge to selectively open and close the discharge, a back pressure portion including a moving guide that accommodates at least a portion of the switching device, and a top surface that covers one side of the switching device; and an adhesion preventer that reduces a contact area between the switching device and at least a portion of the back pressure portion.

主权项

1. A scroll compressor, comprising:
a casing comprising a rotational shaft; a cover fixed inside of the casing to partition an inner space of the casing into a suction space and a discharge space; a first scroll that is revolved by rotation of the rotational shaft; a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, wherein the second scroll comprises a discharge hole through which a refrigerant compressed in the compression chamber is discharged; a switching device movably disposed on or at one side of the discharge hole to selectively open and close the discharge hole; a back pressure portion comprising a moving guide that accommodates at least a portion of the switching device and a top surface that covers one side of the switching device; and an adhesion preventer to reduce a contact area between the switching device and at least a portion of the back pressure portion.