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公开(公告)号：US10199136B2
公开(公告)日：2019-02-05
申请号：US15110318
申请日：2014-11-13
IPC分类号： H01B3/04 , H01F5/06 , H01B3/32 , H02K3/30 , H01B19/04 , H01B3/18 , H02K3/40 , C09J163/00 , H02K1/04 , H02K15/10 , H02K15/12
摘要： An insulating tape having a mica layer, a reinforcing layer having a filler and a fiber reinforcing material laminated on the mica layer, and a cellulose derivative layer laminated on the reinforcing layer is provided. One or more hydroxyl groups in the glucose units of the cellulose derivative are substituted with a functional group such as —CH2CH2OH or —(CH2CH2O)pH (where p is any repeating number up to 50). The weight per unit area of the mica ranges from 100 g/m2 to 200 g/m2. The filler has a maximum particle size of 100 μm or smaller and a weight per unit area ranging from 10 g/m2 to 50 g/m2. The insulating tape is useful to form a stator coil insulating layer with high thermal conductivity, with no outflow of a filler to the exterior during production of the stator coil, and with enhanced bonding strength.
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公开(公告)号：US09925744B2
公开(公告)日：2018-03-27
申请号：US14440424
申请日：2013-12-11
IPC分类号： H02K21/00 , H02K15/12 , H02K3/00 , H02K3/34 , B32B19/04 , H01B3/04 , B32B5/16 , B32B5/30 , B32B7/12 , H01B17/60 , H01B19/04 , H02K3/30 , B32B19/02 , B32B27/20 , B32B27/36
CPC分类号： B32B19/048 , B32B5/16 , B32B5/30 , B32B7/12 , B32B19/02 , B32B19/04 , B32B19/045 , B32B27/20 , B32B27/36 , B32B2260/021 , B32B2260/046 , B32B2262/101 , B32B2264/10 , B32B2264/102 , B32B2264/104 , B32B2264/107 , B32B2307/206 , B32B2307/302 , B32B2307/304 , B32B2457/00 , H01B3/04 , H01B17/60 , H01B19/04 , H02K3/30 , H02K3/34 , Y10T428/251
摘要： An insulating tape including: a mica layer containing mica; a reinforcing layer that is laminated onto the mica layer and contains a filler and a fibrous reinforcing material; and a flat sheet layer that is laminated onto the reinforcing layer and contains flat sheet-shaped inorganic particles having an aspect ratio of at least 30. In this insulating tape, the filler is supported in advance, and does not therefore flow out during manufacture of a stator coil, for example during hot-pressing. As a result, an insulating coating exhibiting high thermal conductivity can be formed.
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公开(公告)号：US11155730B2
公开(公告)日：2021-10-26
申请号：US15761140
申请日：2015-10-08
发明人： Naoki Yasuda , Shigeyuki Yamamoto , Toshifumi Kanri , Takahiro Tsutsumi , Masashi Ono , Kosuke Sano , Yukio Hidaka
IPC分类号： C09D163/00 , H02K3/30 , H02K15/12 , C08L63/00 , C08G59/00 , H02K3/44 , C09D163/10 , H01B3/40 , C08L33/04 , C08G59/68 , H02K7/14 , C08G59/17 , C08J3/24 , C08K5/14
摘要： The present invention provides a solvent-free varnish composition, including: a thermosetting resin (A) having two or more (meth)acryloyl groups in a molecule thereof; a thermosetting resin (B) having one or more epoxy groups in a molecule thereof; a monofunctional vinyl-based monomer having an ether bond or an ester bond; an organic peroxide having a 10-hour half-life temperature of 40° C. or more; and a curing catalyst for an epoxy resin, in which a mixed resin of the thermosetting resin (A) and the thermosetting resin (B) has an epoxy equivalent of from 500 to 5,000. The solvent-free varnish composition can be used as an insulating varnish that shows a small energy loss and requires a short curing time in its curing treatment step, and that provides a cured product that barely causes the precipitation of an oligomer or the like even when exposed to a refrigerant-based environment containing a refrigerant and a refrigerating machine oil under high temperature and high pressure.
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公开(公告)号：US20150273800A1
公开(公告)日：2015-10-01
申请号：US14440424
申请日：2013-12-11
CPC分类号： B32B19/048 , B32B5/16 , B32B5/30 , B32B7/12 , B32B19/02 , B32B19/04 , B32B19/045 , B32B27/20 , B32B27/36 , B32B2260/021 , B32B2260/046 , B32B2262/101 , B32B2264/10 , B32B2264/102 , B32B2264/104 , B32B2264/107 , B32B2307/206 , B32B2307/302 , B32B2307/304 , B32B2457/00 , H01B3/04 , H01B17/60 , H01B19/04 , H02K3/30 , H02K3/34 , Y10T428/251
摘要： An insulating tape including: a mica layer containing mica; a reinforcing layer that is laminated onto the mica layer and contains a filler and a fibrous reinforcing material; and a flat sheet layer that is laminated onto the reinforcing layer and contains flat sheet-shaped inorganic particles having an aspect ratio of at least 30. In this insulating tape, the filler is supported in advance, and does not therefore flow out during manufacture of a stator coil, for example during hot-pressing. As a result, an insulating coating exhibiting high thermal conductivity can be formed.
摘要翻译： 一种绝缘胶带，包括：含有云母的云母层; 层叠在云母层上并含有填料和纤维增强材料的增强层; 以及层叠在增强层上并含有长径比为至少为30的平坦片状无机粒子的平片层。在该绝缘带中，填料预先被支撑，因此在制造过程中不会流出 定子线圈，例如在热压期间。 结果，可以形成表现出高导热性的绝缘涂层。
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