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

Claim 0:
1. An insulation system of a current-carrying conductor of an electric machine, the insulation system comprising:
a thermally curable resin including a polymer resin matrix, one or both of a hardener and a curing initiator, and a nanoparticulate filler, wherein the polymer resin matrix comprises epoxy resin and the nanoparticulate filler consists of metal oxide or semi-metal oxide particles having an average size of 20 nm or less; and
a mica paper or mica tape impregnated with the thermally curable resin,
wherein the total quantity of nanoparticulate filler in the thermally curable resin is 0.1 wt %.