Patent ID: 6318982
Filing Date: 2001-11-20
Classification: F04C

Abstract:
A scroll-type compressor comprising:a fixed scroll, which includes a fixed base plate and a fixed volute wall extending from the fixed base plate;a movable scroll, which includes a movable base plate and a movable volute wall extending from the movable base plate, wherein the movable scroll cooperates with the fixed scroll to form a sealed space between them, wherein the volume of the sealed space decreases as the movable scroll orbits around a predetermined axis, the movable volute wall having an end surface that faces the fixed base plate;a passage formed in the movable volute wall, wherein the passage has a first opening in the end surface and a second opening in the movable base plate; anda seal attached to the end surface of the movable volute wall, wherein the seal surrounds the first opening.