Patent ID: 11933304
Assignee: BITZER KUEHLMASCHINENBAU GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. A scroll compressor comprising:
two scroll bodies each having a scroll rib and the scroll ribs engage each other to form at least one compression chamber;
a drive shaft for driving a moveable scroll body of the two scroll bodies; and
a thrust bearing,
wherein the moveable scroll body comprises:
a base plate which has two opposing sides, wherein, on a first side of the two opposing sides, the scroll rib is arranged and, on a second side of the two opposing sides, a hub is arranged; and
at least one passage including an inlet and an outlet, the inlet formed at an interior of a receiving portion of the hub and extending to a hub environment located around the hub at the second side of the two opposing sides, and the at least one passage has a first diameter and a second diameter smaller than the first diameter, the second diameter having an inclined, spaced relationship relative to the outlet while having direct communication with the outlet,
wherein the outlet of the at least one passage is arranged, at least partly, within a sliding surface on the second side of the base plate of the moveable scroll body for the thrust bearing; and

wherein the inlet of the at least one passage is arranged at an inner cylindrical surface of the receiving portion.