专利检索 ap:("Baker Hughes") AND inv:"Craig Cooper" 第 1 页

1.

发明授权
High frequency AC noise suppression within transformers 有权

公开(公告)号：US11136985B2

公开(公告)日：2021-10-05

申请号：US16558102

申请日：2019-08-31

申请人： Baker Hughes

发明人： Blayne Prine , Gordon Besser , Gary Williams , Craig Cooper , Vernon Chronister , Jeremy Hillshafer

IPC分类号： H02M3/28 , F04D15/00 , E21B43/12 , H01F30/06 , H01F27/28 , G01R31/50 , H02M1/12

摘要： A transformer configured for use in connection with a variable speed motor drive includes primary windings and secondary windings. The secondary windings are configured as wye-windings and a ground lead and a plurality of phase leads. The transformer includes a ferrite blocking circuit connected to the ground lead.

2.

发明申请
High Frequency AC Noise Suppression Within Transformers 审中-公开

公开(公告)号：US20200072228A1

公开(公告)日：2020-03-05

申请号：US16558102

申请日：2019-08-31

申请人： Baker Hughes, a GE Company, LLC

发明人： Blayne Prine , Gordon Besser , Gary Williams , Craig Cooper , Vernon Chronister , Jeremy Hillshafer

IPC分类号： F04D15/00 , E21B43/12 , H01F30/06 , G01R31/02 , H02M3/28 , H01F27/28

摘要： A transformer configured for use in connection with a variable speed motor drive includes primary windings and secondary windings. The secondary windings are configured as wye-windings and a ground lead and a plurality of phase leads. The transformer includes a ferrite blocking circuit connected to the ground lead.