公开(公告)号：US20190277289A1

公开(公告)日：2019-09-12

申请号：US16207380

申请日：2018-12-03

Applicant: LG ELECTRONICS INC.

Inventor： Byungkil YOO ,  Sanghun SEONG ,  Jinyong JANG ,  Dongwoo MIN ,  Kyoungjun PARK ,  Junghoon PARK ,  Byeongchul LEE

IPC: F04C29/00 ,  F01C17/06 ,  F04C18/02

Abstract: A scroll compressor is disclosed. The scroll compressor includes a first scroll and a second scroll engaged with the first scroll and configured to perform an orbiting movement. The second scroll forms a compression chamber between the first scroll and the second scroll. The scroll compressor includes a frame positioned opposite the first scroll with the second scroll interposed therebetween. The scroll compressor also includes an oldham ring that has an annular ring portion and a key portion protruding from the ring portion. The key portion is slidably coupled to a key groove provided in the frame or in the second scroll to allow the second scroll to perform an orbiting movement with respect to the first scroll. The scroll compressor also include a reinforcing member coupled to the key portion. The reinforcing member is positioned between the key groove and the key portion.

公开(公告)号：US20190211679A1

公开(公告)日：2019-07-11

申请号：US16225058

申请日：2018-12-19

Applicant: LG ELECTRONICS INC.

Inventor： Kitae JANG ,  Sanghun SEONG ,  Jinyong JANG ,  Jongtae HER

IPC: F01C17/06 ,  F04C29/00 ,  F04C18/02

CPC classification number: F01C17/066 ,  F04C18/0215 ,  F04C29/0057 ,  F04C2240/801 ,  F04C2240/805 ,  F05B2230/60 ,  F05B2260/95

Abstract: A scroll compressor may include a casing configured to receive a rotation shaft and a driving unit; a compression unit provided with a frame configured to rotatably support the rotation shaft, a first scroll fixed to the casing, and a second scroll configured to be connected to the rotation shaft and engaged with the first scroll. An oldham ring is provided with a plurality of key portions to guide the second scroll to perform an orbiting movement, wherein at least one of the frame, the first scroll, and the second scroll includes a respective key groove formed to receive a respective key portion; and a respective wear-resistant member mounted to cover an inner surface of the respective key groove in contact with the respective key portion.