Patent ID: 6789442
Filing Date: 2004-09-14
Classification: B41F,F16H,H02K,Y10S,Y10T

Abstract:
A gear stage assembly, comprising:a gear stage with two meshing gearwheels for mechanically transmitting a torque, said gear stage including individual magnets each having a magnetic axis, said magnets disposed in the form of non-meshing rings separate from and respectively mounted to each of said gearwheels in a manner corresponding to that of the teeth of said gearwheels, for producing magnetic forces in said gear stage, individual magnets of respective ones of said magnets formed in said rings being disposed with said magnetic axis aligned substantially parallel to a direction of rotation of said gearwheels and with alternating polarity in the direction of rotation and forming a stage of magnets in said rings disposed parallel to said gear stage, for producing a preload torque in said gear stage.