发明名称 |
PROCESS FOR PRODUCING ELECTRIC WINDINGS |
摘要 |
<p>Electric machine windings produced by wrapping a composite insulating material around an electrical conductor, said composite insulating material having been prepared by bonding two or more insulating materials with a silicone resin containing hydroxyl groups in the molecular structure, impregnating said composite insulating material with an insulating varnish comprising 1 equivalent of polyfunctional epoxy compound and 2.5 to 25 equivalents of a polyfunctional isocyanate compound and curing said varnish, have excellent insulation properties under high temperatures and high humidity and thermal resistance of class H or more.</p> |
申请公布号 |
CA1120219(A) |
申请公布日期 |
1982.03.23 |
申请号 |
CA19790327609 |
申请日期 |
1979.05.15 |
申请人 |
HITACHI, LTD. |
发明人 |
SAKAI, MASAHIKO;NARAHARA, TOSHIKAZU;KOYAMA, TORU;TOYODA, SHINICHI;GOTO, KAZUO |
分类号 |
H02K15/12;C08G59/40;H01B3/40;H01F41/12;(IPC1-7):H01F41/12 |
主分类号 |
H02K15/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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