Arc extinguishing device of DC circuit breaker
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Nov 26, 2024
Grant Date -
Oct 5, 2023
app pub date -
Jun 29, 2022
filing date -
Jun 29, 2022
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An arc extinguishing device of a DC circuit breaker is proposed. The arc extinguishing device is provided with electromagnets installed on opposite sides of an arc extinguishing chamber, so as to increase arc resistance, thereby quickly extinguishing an arc. The arc extinguishing device includes: an arc extinguishing chamber installed above contact terminals and provided with an internal space formed open up and down; a plurality of grids installed side by side in the internal space of the arc extinguishing chamber; a cover installed on an upper part of the arc extinguishing chamber, and including a filter for filtering out impurities remaining in an arc which is extinguished in the arc extinguishing chamber; and electromagnets installed on the one side and the other side of the internal space of the arc extinguishing chamber.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully