Patent ID: 8215933

Claim:
A scroll compressor, comprising: a casing that defines an interior space; a frame fixed to the casing, the frame having a back pressure groove formed in an upper surface thereof; a fixed scroll fixed to the frame, the fixed scroll having an involute wrap provided at one side surface thereof; an orbiting scroll positioned between the frame and the fixed scroll, the orbiting scroll having an involute wrap that is inter-engaged with the involute wrap of the fixed scroll so as to form compression spaces therebetween, wherein the orbiting scroll is supported by a pressure provided by the back pressure groove; an oil supply hole formed in the orbiting scroll, wherein the oil supply hole guides oil from a space between the frame and the orbiting scroll to a space between the fixed scroll and the orbiting scroll; an oil supply recess formed in the fixed scroll, at a position corresponding to the oil supply hole; a sealing member provided at a bearing surface between the frame and the orbiting scroll, wherein the sealing member maintains a pressure in the back pressure groove; and a plurality of oil pockets formed in a lower surface of the orbiting scroll, facing the frame, wherein the plurality of oil pockets direct oil from a radially inward side of the sealing member to a radially outward side of the sealing member as the orbiting scroll orbits.