Arc gas venting structure of air circuit breaker
AssigneeLsis Co., Ltd.
InventorKyu-Ho LEE
Life of this patent
Estimating the term…
Abstract
One or more arc gas outlet holes are formed in a trip device such that an effect of easily venting an arc gas, which flows into the trip device, to the outside through the arc gas outlet holes is provided.
Claims7
An arc gas venting structure of an air circuit breaker, which comprises a body having an accommodation space therein, an over current relay provided in front of the body, a trip device connected to the over current relay and configured to operate a switching mechanism, and the switching mechanism driven by the trip device to adjust contact or separation between a movable contact and a fixed contact, wherein the trip device comprises:
- a frame which forms an exterior;
- one or more arc gas inlet holes formed at the frame to allow an arc gas to flow into the trip device;
- and
- one or more arc gas outlet holes formed at the frame to vent the arc gas which has flowed into the trip device.
Dependencies are inferred from the claim text.