Scroll compressor

摘要

The scroll compressor has a frame member 150, a fixed scroll member 110 and a circling scroll member 120 provided in an airtight container 100 and compresses a fluid by change in capacity of a compression space 130 comprised of the fixed scroll member and circling scroll member, where a movable auxiliary member 151 is provided by mounting it on a frame member between the frame member and the circling scroll member. The movable auxiliary member has a stopper portion 153 for causing a contact plane 153 b to contact a pane 120 f of the fixed scroll member and a ring portion 152 having an opposed plane 154 annularly formed to face the pane 120 f of the circling scroll member, is further supported elastically by elastic support means in a state of being energized in a direction of the circling scroll member, has the contact plane of the stopper portion caused to contact the pane in this elastic support state to keep a limit position with the opposed plane facing the pane of the circling scroll member, and goes back elastically to the frame member side when the circling scroll member goes back to the frame member side and the pane is pressed to contact the opposed plane.