-
公开(公告)号：US20240209482A1
公开(公告)日：2024-06-27
申请号：US18286681
申请日：2022-04-13
发明人： Kazutoshi TAKEDA , Shinsuke TAKATANI , Ryu HIRAYAMA , Minako FUKUCHI , Yoshiaki IWASE , Makoto NIWA , Makoto HIRAKAWA
CPC分类号： C22C38/02 , C22C38/04 , C22C38/06 , H01F1/14791 , H01F1/18 , H02K15/024 , H02K1/02
摘要： This electrical steel sheet contains: as a chemical composition, in a unit of mass %, 2.5% to 3.9% of Si; 0.001% to 3.0% of Al; and 0.05% to 5.0% of Mn, the remainder being Fe and impurities, and, on one surface or both surfaces thereof, an insulating coating containing a curing accelerator is formed.
-
2.发明公开公开(公告)号：US20240190119A1
公开(公告)日：2024-06-13
申请号：US18286501
申请日：2022-04-13
发明人： Kazutoshi TAKEDA , Shinsuke TAKATANI , Ryu HIRAYAMA , Minako FUKUCHI , Yoshiaki IWASE , Makoto NIWA , Makoto HIRAKAWA
IPC分类号： B32B37/12 , B30B9/28 , B32B7/12 , B32B15/04 , B32B15/18 , B32B37/10 , C09J5/02 , C22C38/02 , C22C38/04 , C22C38/06 , H02K1/02 , H02K15/02
CPC分类号： B32B37/12 , B30B9/28 , B32B7/12 , B32B15/043 , B32B15/18 , B32B37/10 , C09J5/02 , C22C38/02 , C22C38/04 , C22C38/06 , H02K1/02 , H02K15/02 , B32B2309/12 , B32B2311/30 , C22C2202/02
摘要： This bonded and stacked core manufacturing method is for manufacturing a bonded and stacked core by performing press working on a strip-shaped steel sheet with a press working oil applied to one surface or both surfaces thereof, applying an adhesive to one surface of the strip-shaped steel sheet to obtain a plurality of steel sheet components, and stacking and bonding the steel sheet components, in which a curing accelerator having an average viscosity of 0.01 Pa·s to 100 Pa·s is applied to one surface or both surfaces of the strip-shaped steel sheet before the press working oil is applied.
-
3.发明公开公开(公告)号：US20230253140A1
公开(公告)日：2023-08-10
申请号：US18014352
申请日：2021-07-06
发明人： Kazutoshi TAKEDA , Shinsuke TAKATANI , Ryu HIRAYAMA , Yoshiaki IWASE , Makoto NIWA , Masashi YAMADA
IPC分类号： H01F27/26 , C09J133/20 , C09J11/04 , C09J11/06
CPC分类号： H01F27/263 , C09J133/20 , C09J11/04 , C09J11/06 , C09J2400/163
摘要： This adhesively-laminated core manufacturing method is a method for manufacturing an adhesively-laminated core by punching a plurality of steel sheet parts while a strip-shaped steel sheet is fed and laminating the steel sheet parts via an adhesive, and includes a step of forming a curing acceleration portion by applying and drying a curing accelerator on one or both surfaces of the strip-shaped steel sheet before a pressing oil is applied, and a step of applying the pressing oil to a surface of the curing acceleration portion.
-
公开(公告)号：US20240183012A1
公开(公告)日：2024-06-06
申请号：US18285451
申请日：2022-04-06
CPC分类号： C22C38/02 , C21D6/008 , C21D8/1272 , C21D8/1283 , C21D8/1288 , C22C38/001 , C22C38/004 , C22C38/04 , C22C38/06 , C21D2201/05
摘要： This grain-oriented electrical steel sheet includes: a base steel sheet; and an insulating coating formed on a surface of the base steel sheet, in which the insulating coating includes an intermediate layer formed on a base steel sheet side and containing a crystalline metal phosphate, and a tension coating layer formed on a surface side of the insulating coating, an average thickness of the intermediate layer is 0.3 to 10.0 μm, an average thickness of the insulating coating is 2.0 to 10.0 μm, the crystalline metal phosphate of the intermediate layer is one or two or more of zinc phosphate, manganese phosphate, iron phosphate, and zinc calcium phosphate, the tension coating layer contains a metal phosphate and silica, and an amount of the silica in the tension coating layer is 20 to 60 mass %.
-
公开(公告)号：US20240177899A1
公开(公告)日：2024-05-30
申请号：US18283423
申请日：2022-03-28
IPC分类号： H01F1/147 , C21D6/00 , C21D8/12 , C21D9/46 , C21D10/00 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/16 , C22C38/34 , C22C38/60 , C23D3/00 , C23D5/04 , C23D13/00
CPC分类号： H01F1/14783 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/1222 , C21D8/1233 , C21D8/1255 , C21D8/1261 , C21D8/1266 , C21D8/1283 , C21D8/1288 , C21D9/46 , C21D10/005 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/16 , C22C38/34 , C22C38/60 , C23D3/00 , C23D5/04 , C23D13/00 , C21D2201/05 , C22C2202/02
摘要： This grain-oriented electrical steel sheet includes a base steel sheet having a predetermined chemical composition, a glass coating formed on the base steel sheet, and a tension-applied insulation coating formed on the glass coating, on a front surface of the base steel sheet, a plurality of linear strains that extend continuously or intermittently in a direction intersecting with a rolling direction are present, intervals p in the rolling direction of the plurality of linear strains adjacent to each other are 3.0 to 9.0 mm, widths of the linear strains are 10 to 250 μm, and, in an X-ray topographic spectrum in a range of 1.50 mm in the rolling direction that is obtained from an X-ray topographic image of the front surface and includes the linear strain at a center, a full width at half maximum of a peak of the X-ray topographic spectrum including a maximum value of a spectral intensity is 0.02 mm or more and 0.10 mm or less.
-
公开(公告)号：US20240035131A1
公开(公告)日：2024-02-01
申请号：US18283152
申请日：2022-03-30
CPC分类号： C22C38/02 , C22C38/04 , C22C38/002 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C21D8/0205
摘要： This non-oriented electrical steel sheet has a predetermined chemical composition, and in which the tensile strength is 580 MPa or more, the average grain size of a recrystallization part of base iron is 50 μm or less, and in inclusions having an equivalent circle diameter of 1 μm or more and an S content of 5 mass % or more contained in base iron, the number of inclusions having a Mg content of more than 5 mass % and a Mn content of 5 mass % or more is 5 times or more the number of inclusions having a Mg content of 5 mass % or less and a Mn content of 5 mass % or more.
-
7.发明公开公开(公告)号：US20230257622A1
公开(公告)日：2023-08-17
申请号：US18010555
申请日：2021-06-17
CPC分类号： C09D163/00 , C09D5/00 , H01F1/18 , H02K1/02 , H02K1/06 , B32B15/18 , B32B15/043 , B32B7/12 , B32B2255/06 , B32B2255/26 , B32B2603/00
摘要： An electrical steel sheet used for a laminated core is an electrical steel sheet including an insulation coating 3 on a surface of a base steel sheet 2, the insulation coating being coated with a coating composition for an electrical steel sheet. The coating composition for an electrical steel sheet contains an epoxy resin, a first curing agent including an alkylphenol, and a second curing agent including either one or both of a phenol resol resin and a phenol novolac resin formulated in specific proportions.
-
8.发明公开公开(公告)号：US20230257621A1
公开(公告)日：2023-08-17
申请号：US18009889
申请日：2021-06-17
IPC分类号： C09D163/00 , C09D5/23 , C09D5/18
CPC分类号： C09D163/00 , C09D5/18 , C09D5/23
摘要： A coating composition for an electrical steel sheet including an epoxy resin, an epoxy resin by latent curing agent, and a thermoplastic elastomer, wherein the thermoplastic elastomer has a melting point of 100° C. or higher and 200° C. or lower and a bending elastic modulus of more than 5 MPa and 100 MPa or less, and wherein the amount of the thermoplastic elastomer with respect to a total amount of 100 parts by mass of the epoxy resin and the epoxy resin by latent curing agent is 10 parts by mass or more and less than 40 parts by mass.
-
公开(公告)号：US20230080376A1
公开(公告)日：2023-03-16
申请号：US17800851
申请日：2021-06-17
摘要： Provided is a method of manufacturing a laminated core by punching electrical steel strips including an insulation coating to obtain core single sheets and laminating the core single sheets, the method including: pressurizing two or more electrical steel strips using a guide roller to temporarily bond the electrical steel strips immediately before the punching; and obtaining the core single sheets by performing the punching after inserting the two or more electrical steel strips after the temporary bonding into a punching die.
-
公开(公告)号：US20220069640A1
公开(公告)日：2022-03-03
申请号：US17413121
申请日：2019-12-17
发明人： Yasuo OHSUGI , Ryu HIRAYAMA , Kazutoshi TAKEDA
IPC分类号： H02K1/12
摘要： A laminated core includes a plurality of electrical steel sheets stacked in a thickness direction, the electrical steel sheet includes an annular core back part and a plurality of tooth parts that protrude from the core back part in a radial direction and are disposed at intervals in a circumferential direction of the core back part, a fastening part is provided in a portion of the core back part corresponding to the tooth part, and an adhesion part is provided in the tooth part.
-
-
-
-
-
-
-
-
-
搜索结果
64 条记录 (耗时 0.031 秒)
