Patent ID: 9644629
Date: 2017-05-09
CPC Classifications: F04C,F05C,F16C

Claim:
1. A scroll compressor, comprising: a casing; a main frame fixed to the casing and having a shaft insertion hole formed therein; a fixed scroll fixed to the casing and disposed above the main frame; an orbiting scroll forming a compression chamber together with the fixed scroll and having a boss formed on a lower surface thereof; a rotational shaft having an end insertedly fixed in the boss of the orbiting scroll in a state in which the rotational shaft is insertedly positioned in the shaft insertion hole of the main frame; and a lubricating layer made of a PEEK material and formed in the shaft insertion hole and the boss, respectively, wherein the lubricating layer is formed on an inner surface of the shaft insertion hole and an inner surface of the boss, wherein the lubricating layer includes an organic solvent and PEEK powder dispersed in the organic solvent, and wherein an inner surface of the lubricating layer faces the outer circumferential surface of the rotational shaft with a gap between the inner surface of the lubricant layer and the other circumferential surface of the rotational shaft.