Patent attributes
A scroll compressor, wherein a guide passage facing the supply passage of a fixed side substrate part is formed at the outer peripheral portion of a fixed scroll engaged with a movable scroll along the axial direction of the fixed scroll. A lubricating oil is stored in an oil storage tank surrounded by a set of weir walls formed along the guide passage and the movable side substrate part of the movable scroll facing a fixed side spiral wall. The movable side substrate part is radially displaced by the turning action of the movable scroll to supply the lubricating oil stored in the oil storage tank to the movable scroll side.