公开(公告)号：US09797400B2

公开(公告)日：2017-10-24

申请号：US14700304

申请日：2015-04-30

Applicant: LG ELECTRONICS INC.

Inventor： Juhwan Yun ,  Taeyeon Kim ,  Suchul Kim ,  Honggyun Jin

IPC: F01C1/02 ,  F01C1/063 ,  F04C2/00 ,  F04C27/00 ,  F04C29/12 ,  F04C23/00 ,  F04C28/24 ,  F04C28/26 ,  F04C18/02

CPC classification number: F04C27/005 ,  F04C18/0215 ,  F04C23/008 ,  F04C28/24 ,  F04C28/26 ,  F04C29/124

Abstract: 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.