公开(公告)号：US20170174867A1

公开(公告)日：2017-06-22

申请号：US15381325

申请日：2016-12-16

Applicant: General Electric Technology GmbH

Inventor： Thomas WIDMER ,  Erminio MERATI ,  Luigi CATTANEO ,  Massimiliano VISINTIN

IPC: C08K3/36 ,  H02K5/02 ,  H02K3/52 ,  C08K3/22

CPC classification number: C08K3/36 ,  C08G59/504 ,  C08G2650/50 ,  C08K3/22 ,  C08K2003/2227 ,  C09D163/00 ,  H02K3/521 ,  H02K5/02

Abstract: An epoxy resin formulation is disclosed, comprising at least an epoxy resin of the type of bisphenol A or F, at least a hardener of type diamine, e.g. polyoxypropylendiam or polyoxypropylenetriamine, and with or without an aliphatic diamine having benzene ring e.g. Xylylenediamine and at least an inorganic filler. Further disclosed is a support to surround end windings of a stator of an electric machine, the support made from an epoxy resin formulation and the use of an epoxy resin as support. Further disclosed is a method to fabricate an epoxy resin formulation , including mixing, with a temperature between 15° C. and 35° C., at least an epoxy resin of the type of bisphenol A or F, at least a hardener of type diamine, e.g. polyoxypropylendiam or polyoxypropylenetriamine, and at least an inorganic filler, casting the epoxy resin formulation with a temperature between 15° C. and 35° C., and postcuring the epoxy resin formulation for several hours with a temperature between 60° C. and 100° C.