Patent ID: 11970958
Assignee: BORGWARNER INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. A chain drive or belt drive for an internal combustion engine having a crankshaft having a driving sprocket and at least one camshaft driving at least one driven sprocket, the chain drive or belt drive comprising at least two sprockets chosen from the driving sprocket and the at least one driven sprocket being a non-prevalent order random sprockets, each comprising: a pattern of pitch radii, such that the radial variation of the pitch radii excite tensions at non-prevalent orders in a drive system of the internal combustion engine; wherein non-prevalent engine cycle orders in the driving sprocket are different than the non-prevalent engine cycle orders in the at least first driven sprocket; and a chain engaging the driving sprocket and the at least first driven sprocket.