Arc chamber for a dc circuit breaker
AssigneeABB Schweiz AG
InventorsRudolf Gati, Matthias Bator, Osvaldo Prestini, Pierluigi Cisana, Thorsten Strassel
Life of this patent
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Abstract
An arc chamber for a DC circuit breaker includes an entry side adapted to receive an electric arc, which was generated outside of the arc chamber and which propagates in a forward direction, a plurality of stacked splitter plates, and at least one inhibitor barrier. The at least one inhibitor barrier is arranged on the entry side to inhibit a reverse propagation of the electric arc out of the arc chamber in a reverse direction. DC circuit breaker comprising an arc chamber. Use of an arc chamber with a circuit breaker in a DC electrical system.
Claims20
1-12. (canceled)
An arc chamber for a DC circuit breaker, comprising:
- an entry side adapted to receive an electric arc which was generated outside of the arc chamber and which propagates in a forward direction;
- a plurality of stacked splitter plates;
- at least one inhibitor barrier arranged on the entry side to inhibit a reverse propagation of the electric arc out of the arc chamber in a reverse direction.
Dependencies are inferred from the claim text.