公开(公告)号：US20250054675A1

公开(公告)日：2025-02-13

申请号：US18566355

申请日：2022-06-01

Applicant: ABB Schweiz AG ,  ABB E-mobility B.V.

Inventor： Uwe Drofenik ,  Filip Grecki

IPC: H01F27/08 ,  H01F27/02 ,  H01F27/12

Abstract: A helicoidal guide is provided. The helicoidal guide is configured and shaped for cooling an inductor and/or a transformer with a core and a first coil having a spatial gap between the core and the first coil, the helicoidal guide being placeable within the spatial gap and configured to guide a flow of coolant through the spatial gap, wherein the coolant is in direct contact with the core and/or the first coil.

公开(公告)号：US20240321509A1

公开(公告)日：2024-09-26

申请号：US18734720

申请日：2024-06-05

Applicant: ABB E-mobility B.V.

Inventor： Filip Grecki ,  Uwe Drofenik ,  Amin Bahmani ,  Jedrzej Banaszczyk ,  Michal Rzepecki

IPC: H01F27/30 ,  H01F27/02 ,  H01F27/24 ,  H01F41/02 ,  H01F41/04

CPC classification number: H01F27/306 ,  H01F27/24 ,  H01F41/0206 ,  H01F41/048 ,  H01F27/02

Abstract: In one embodiment, a transformer is provided. The transformer comprises a transformer core having a first core leg having a first longitudinal axis and second core leg having a second longitudinal axis; a first low voltage (LV) winding portion arranged around the first core leg, and a second LV winding portion arranged around the second core leg; a high voltage (HV) winding having a first HV winding portion arranged around the first LV winding portion, and having a second HV winding portion arranged around the second LV winding portion, the HV winding comprising a link for electrically linking the first HV winding portion with the second HV winding portion, and the HV winding comprising a first HV connector and a second HV connector for connecting the HV winding to the outside of the transformer; and a casting embedding at least the HV winding and the link.

公开(公告)号：US20230402224A1

公开(公告)日：2023-12-14

申请号：US18331288

申请日：2023-06-08

Applicant: ABB Schweiz AG ,  ABB E-mobility B.V.

Inventor： Jedrzej Banaszczyk ,  Michal Rzepecki ,  Amin Bahmani ,  Filip Grecki ,  Uwe Drofenik

IPC: H01F27/32 ,  H01F27/08 ,  H01F27/28

CPC classification number: H01F27/325 ,  H01F27/085 ,  H01F27/2876

Abstract: An electrical device includes a magnetic core, a bobbin extending about and partially covering the magnetic core, wherein the bobbin is made of a thermally conductive dielectric material, wherein the bobbin further comprises an outer body connectable to an inner body, wherein the inner body comprises at least a first contact element being formed as a rib that is configured to directly contact a surface of the magnetic core.