Patent ID: 11887799
Assignee: LS ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An arc-extinguishing apparatus for an air circuit breaker, the apparatus comprising
a chamber unit having a fluid outlet through which internal fluid is discharged out of the chamber unit, wherein the chamber unit has receiving grooves defined in each of opposing inner faces thereof;
a dividing unit coupled to an inner face of the chamber unit for dividing a path of the fluid to be discharged to the outlet into multiple paths;
a filter unit disposed at the outlet for filtering at least one predefined substance from the fluid passing through the outlet; and
a cover unit having a plurality of discharge holes defined therein, wherein the cover unit is disposed on an outer face of the filter unit and is coupled to the outlet,
wherein the dividing unit includes:
a plurality of grids, wherein both opposing sides of each of the grids are respectively inserted into both the opposing receiving grooves respectively defined in the opposing inner faces of the chamber unit; and
each insulating cap coupled to an upper end of each of the plurality of grids, wherein each open ventilation channel is defined between adjacent grids.