Patent ID: 9512840
Filing Date: 2016-12-06
CPC Classification: F04C

Claim Text:
1. A scroll compressor for a CO 2 air conditioning system of a vehicle, the scroll compressor comprising: a housing; a stationary spiral disposed within the housing and including first windings; a movable displacement spiral disposed within the housing and defining a central recess, the movable displacement spiral including second windings and engaging with the stationary spiral to form a displacement chamber defined between the stationary spiral and the movable displacement spiral, wherein the first and second windings are interleaved to define a plurality of sub-chambers within the displacement chamber that compress refrigerant and discharge refrigerant into a pressure chamber when the movable spiral orbits relative to the stationary spiral; a bearing bushing formed with the movable displacement spiral and extending into the displacement chamber such that a face of the bushing is coplanar with a face side of the second windings; an eccentric bearing including a journal disposed within the bearing bushing and configured to orbit the movable displacement spiral, and a counterweight at least partially accommodated within the central recess and connected to the eccentric bearing.