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公开(公告)号：US20230420203A1
公开(公告)日：2023-12-28
申请号：US18038762
申请日：2021-12-03
发明人： Mahesh Dhotre , Jakub Korbel , Matteo Papetti , Christoph Wirth , Rijo-Jude Raphael , Robert Voss
摘要： The invention relates to an electrical switching device including a nominal contact arrangement, an arcing contact arrangement defining an arcing volume in which an arc-quenching medium is present, an exhaust system including a first exhaust opening connected fluidly to a tank volume, an exhaust channel for dissipating hot medium from the arcing volume into the tank volume, the exhaust system further including a piston arranged in a compression guide and defining on its side opposed to the arcing volume together with the compression guide a compression chamber. An inlet channel is fluidly connected to the compression chamber and extends to an inlet opening fluidly connected to the tank volume, wherein the inlet channel and the exhaust channel are fluidly separated from each other.
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公开(公告)号：US20230245846A1
公开(公告)日：2023-08-03
申请号：US18103714
申请日：2023-01-31
发明人： Guenter Steding , Jakub Korbel , Christoph Wirth
CPC分类号： H01H73/18 , H01H71/1045 , H01H73/06
摘要： A high voltage circuit-breaker comprising a housing defining a volume for an insulating gas, at least two making and breaking (M&B) units arranged therein, each M&B unit comprising a first and second contact element for forming an electrically conductive connection, at least the first contact element is movable along an axially extending switching axis of the high voltage circuit-breaker, and the first contact elements of the at least two M&B units are motion-coupled; a drive device connected to the first contact element of at least one M&B unit and configured for moving the first contact element along the switching axis over a moving distance for separating conductive connections; and a gas damper connected to the first contact element of the at least one M&B unit and configured for damping movement of the first contact element with a damping force increasing in relation to the moving distance.
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公开(公告)号：US11651909B2
公开(公告)日：2023-05-16
申请号：US17404287
申请日：2021-08-17
发明人： Jakub Korbel , Matt Cuppett , Brian Christopher , Richard Thomas , Sami Kotilainen , Staffan Jacobsson , Benny Wedin , Francesco Agostini
IPC分类号： H01H3/38
CPC分类号： H01H3/38 , H01H2235/01
摘要： Provided is a spring drive cam for a spring drive of a circuit breaker including a disc-like shape configured for rotating around a rotation axis in the spring drive, whereby the disc-like shape comprises a radius (R) that changes depending on an angle (α) of the radius (R) relative to a base angle (α0), and whereby a rate (dR/dα) defined by a change of the radius (R) per change of the angle (α) is ≤0.3 mm/°.
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公开(公告)号：US11515110B2
公开(公告)日：2022-11-29
申请号：US17253349
申请日：2019-08-28
发明人： Jakub Korbel , Olaf Hunger , Reto Karrer , Henrik Dahlgren , Alexey Sokolov , Giang PhamVan
摘要： A gas-insulated high or medium voltage circuit breaker comprising: a first arcing contact and a second arcing contact, wherein at least one of the two arcing contact is axially movable along a switching axis, wherein during a breaking operation, an arc between the first arcing contact and the second arcing contact is formed in a arcing region; a buffer housing defining a pressurizing volume; a nozzle arranged at a nozzle side of the pressurizing volume, the nozzle defining a channel connected to the pressurizing volume and directed to the arcing region, for blowing an arc extinguishing gas towards the arcing region during the breaking operation, the nozzle comprising a nozzle front face facing towards the interior of the pressurizing volume.
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