Patent ID: 11891996
Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 10:
11. The method according to claim 10, wherein the oil channel (9) is shaped to allow the flow with a Dean number smaller than 75, wherein the Dean number is determined by the formula, De
  =
  
   R
   ⁢
   
    e
    ·
    
     
      
       D
       n
      
      
       2
       ·
       r, wherein Re represent a Reynolds number of the flow of oil; wherein Dn represents an inner diameter of the channel (9); and wherein r represents a radius of curvature (20) of the channel (9) or a portion thereof.