公开(公告)号：US20180183279A1

公开(公告)日：2018-06-28

申请号：US15895743

申请日：2018-02-13

Applicant: General Electric Company

Inventor： Lawrence Bernard Kool ,  Min Zou ,  Wanming Zhang ,  Susan Corah ,  Christopher Klapper ,  Francis Johnson ,  Steve Buresh

IPC: H02K1/04 ,  H02K1/02 ,  H02K15/12 ,  H02K15/02 ,  H01F1/34

CPC classification number: H02K1/04 ,  B32B15/01 ,  C22C38/001 ,  C22C38/06 ,  C22C38/30 ,  C22C38/38 ,  C22C38/54 ,  C22C38/58 ,  H01F1/344 ,  H01F3/02 ,  H01F41/0233 ,  H01F2003/106 ,  H02K1/02 ,  H02K15/02 ,  H02K15/12

Abstract: A method includes forming one or more oxide barrier layers on one or more protected portions of a magnetic, metallic body, and converting one or more unprotected portions of the magnetic, metallic body to a less magnetic material by exposing the magnetic metallic body having the one or more oxide barrier layers formed thereon to nitrogen. One or more protected portions of the magnetic, metallic body that are beneath the one or more oxide barrier layers are not converted to the less magnetic material. The method can be used to form one or more layers of a laminated electric motor.

公开(公告)号：US10673288B2

公开(公告)日：2020-06-02

申请号：US15895743

申请日：2018-02-13

Applicant: General Electric Company

Inventor： Lawrence Bernard Kool ,  Min Zou ,  Wanming Zhang ,  Susan Corah ,  Christopher Klapper ,  Francis Johnson ,  Steve Buresh

IPC: H02K1/02 ,  H02K1/04 ,  H02K15/02 ,  H02K15/12 ,  H01F1/34 ,  H01F3/02 ,  H01F41/02 ,  C22C38/00 ,  C22C38/54 ,  C22C38/06 ,  B32B15/01 ,  C22C38/30 ,  C22C38/58 ,  C22C38/38 ,  H01F3/10

Abstract: A method includes forming one or more oxide barrier layers on one or more protected portions of a magnetic, metallic body, and converting one or more unprotected portions of the magnetic, metallic body to a less magnetic material by exposing the magnetic metallic body having the one or more oxide barrier layers formed thereon to nitrogen. One or more protected portions of the magnetic, metallic body that are beneath the one or more oxide barrier layers are not converted to the less magnetic material. The method can be used to form one or more layers of a laminated electric motor.

公开(公告)号：US10384978B2

公开(公告)日：2019-08-20

申请号：US15243005

申请日：2016-08-22

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Kevin Paul McEvoy ,  James Ruud ,  Lawrence E. Szala ,  Susan Corah ,  Atanu Saha ,  Hrishikesh Keshavan

IPC: C04B35/48 ,  F01D5/28 ,  C23C4/134 ,  C04B35/622 ,  C04B35/64 ,  C23C14/22 ,  C04B41/87 ,  C04B41/00 ,  C04B41/50 ,  C23C28/00 ,  F01D5/00 ,  C23C4/11

Abstract: The present invention is directed to repair compositions for thermal barrier coatings and methods of use thereof. The repair compositions include a ceramic composition, a colloidal solution, an aqueous binder, an aqueous dispersant, and an aqueous ammonia solution. The ceramic composition includes a first population of yttria-stabilized zirconia particles having a mean diameter from about 250 nm to about 1000 nm, a second population of yttria-stabilized zirconia particles having a mean diameter from about 2 μm to about 10 μm, and a third population of yttria-stabilized zirconia particles having a mean diameter from about 20 μm to about 250 μm. One method includes depositing the repair layer onto the damaged region, the repair layer including the repair composition, and heat treating the repair layer.