Patent ID: 11898498
Assignee: ROLLS-ROYCE PLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B | IPC F

Claim 7:
8. The method according to claim 1, wherein:
a plurality of different gearbox setups with a predefined transmission ratio or with a transmission ratio within the predefined range around the predefined transmission ratio are provided;
for each of the plurality of gearbox setups the speed ratio R of the at least two components of the respective gearbox setups is determined;
the determined speed ratios R are compared with the predefined interval around the integer Ri; and
one of the plurality of gearbox setups is selected for manufacturing the gearbox based on the comparison of the determined speed ratios R with the predefined interval around the integer,
wherein the different gearbox setups differ in the number of teeth of at least one component.