公开(公告)号：US20250167526A1

公开(公告)日：2025-05-22

申请号：US18952339

申请日：2024-11-19

Applicant: ABB Schweiz AG

Inventor： Frantisek Koudelka ,  Oliver Baier ,  Lukas Dolezal ,  Dalibor Kopp ,  Philipp Masmeier ,  Ondrej Novak ,  Corrado Rizzi ,  Pavel Vrbka

IPC: H02B1/56

Abstract: A switchgear includes a plurality of circuit breakers; a plurality of first coolers; and at least one first air duct; wherein each circuit breaker of the plurality of circuit breaker has an associated first cooler of the plurality of first coolers thermally connected to it; and wherein the at least one first air duct is configured to direct air from the outside of the switchgear into the plurality of first coolers.

公开(公告)号：US20250125594A1

公开(公告)日：2025-04-17

申请号：US18911391

申请日：2024-10-10

Applicant: ABB Schweiz AG

Inventor： Ondrej Novak ,  Dalibor Kopp

IPC: H02B1/56 ,  H02B13/00

Abstract: A low voltage, medium voltage or high voltage switchgear, includes a first component; and an air guide structure comprising a plurality of guiding vanes; wherein the plurality of guiding vanes are located adjacent to the first component; and wherein one or more of the plurality of guiding vanes are configured to direct air to enter the air guide structure at an entrance then flow tangentially to a first surface of the first component and then leave the air guide structure at an exit.