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US 7,064,640 B2Granted
Low voltage circuit breaker
AssigneeSiemens Aktiengesellschaft
InventorsJörg-Uwe Dahl, Hans-Joachim Kuhrt, Detlev Schmidt, Günter Seidler, Ingo Thiede, Sezai Türkmen
Life of this patent
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Abstract
The invention relates to a low voltage circuit breaker which comprises a contact system for a principal current and an arc extinction chamber. An are transmitting element is disposed between the contact system for the principal current and the arc extinction chamber. Said are transmitting element comprises at least one are guiding element which makes it possible to direct said arc in a certain manner to the arc extinction chamber.
Claims18
A low voltage circuit breaker, comprising:
- a contact system for a principal current;
- and
- an arc extinction chamber, wherein
- an arc transmitting element is arranged between the contact system for the principal current and the arc extinction chamber, wherein
- the arc transmitting element comprises at least one arc guiding element for transmitting the arc to the arc extinction chamber in a defined manner, wherein the arc guiding element has several running edges running to a center line of the arc transmitting element extending in the direction of a top side of the arc extinction chamber, wherein
- the running edges extend away from an edge zone in the direction of a middle zone of the arc transmitting element, and wherein
- the arc guiding element is formed crown-shaped and has several prongs formed ray-shaped to the center line,
4 more elements
Dependencies are inferred from the claim text.