US 12,281,653 B2
Scroll compressor
Byungkil Yoo, Seoul (KR); Jungsun Choi, Seoul (KR); and Seheon Choi, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/691,383
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jul. 29, 2022, PCT No. PCT/KR2022/011229
§ 371(c)(1), (2) Date Mar. 12, 2024,
PCT Pub. No. WO2023/038293, PCT Pub. Date Mar. 16, 2023.
Claims priority of application No. 10-2021-0121968 (KR), filed on Sep. 13, 2021.
Prior Publication US 2024/0376895 A1, Nov. 14, 2024
Int. Cl. F04C 18/00 (2006.01); F04C 18/02 (2006.01); F04C 23/00 (2006.01); F04C 29/00 (2006.01); F04C 29/02 (2006.01)
CPC F04C 29/0057 (2013.01) [F04C 18/0215 (2013.01); F04C 29/0071 (2013.01); F04C 29/023 (2013.01); F04C 23/008 (2013.01); F04C 2240/802 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A scroll compressor comprising:
an orbiting scroll, as at least one scroll of a plurality of scrolls engaged with each other, coupled to a rotational shaft to perform an orbiting motion; and
an Oldham ring slidably coupled to the orbiting scroll to induce the orbiting motion of the orbiting scroll,
wherein a key groove is formed in one of the orbiting scroll and the Oldham ring, and a key is disposed on another one to be slidably inserted into the key groove,
wherein the key comprises a plurality of fixing protrusions spaced apart from each other,
wherein the orbiting scroll or the Oldham ring comprises a plurality of fixing grooves which are spaced apart from each other and in which the plurality of fixing protrusions are fixedly inserted, and
wherein the plurality of fixing protrusions are connected into an annular shape and the plurality of fixing grooves are connected into an annular shape.