Patent · US Expired

Gear stage assembly with preload torque

US6789442B2 · kind B2 · utility

97Cited by
7References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 17, 2001
Grant dateSep 14, 2004
Priority date
Expiry dateSep 17, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19898
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A gear stage assembly having a gear stage with two meshing gearwheels for mechanically transmitting a torque includes individual magnets arranged in the form of a ring on each of the gearwheels in a manner corresponding to that of the teeth of the gearwheels, for producing magnetic forces in the gear stage, individual magnets of respective ones of the magnets formed in a ring being arranged with alternating polarity in the direction of rotation and forming a stage of magnets in a ring disposed parallel to the gear stage, for producing a preload torque in the gear stage; and a varnishing unit including the gear stage assembly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.