Patent ID: 11916448
Assignee: THE TIMKEN COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC H  B  C | IPC B  C  H

Claim 5:
6. A method for producing an insulation system on a current-carrying conductor within an electric machine, the method comprising:
providing a mica paper or mica tape;
wrapping the current-carrying conductor with the mica paper or mica tape;
providing a resin comprising a polymer resin matrix, one or both of a hardener and a curing initiator, and a nanoparticulate filler thoroughly mixed therein, wherein the polymer resin matrix comprises epoxy resin and the nanoparticulate filler consists of metal oxide or semi-metal oxide particles having an average particle size of 20 nm or less, the total quantity of nanoparticulate filler in the resin being 0.1 wt %;
fully impregnating the mica paper or mica tape with the resin; and
thermally curing the resin that impregnates the mica paper or mica tape.