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

Claim 6:
7. A chain drive or belt drive for an internal combustion engine having a crankshaft having a driving sprocket and at least a first driven sprocket, the chain drive or belt drive comprising:
the driving sprocket and the at least one driven sprocket being a non-prevalent order random sprocket 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.