ARC CHUTE Russian patent published in 2018 - IPC H01H77/00 

FIELD: electricity.

SUBSTANCE: arc chute contains the left and right sets of arc plates. On both sides of the left and right sets of arc plates, the shutters block is located, which is separated from the arc plates by insulating plates. The novelty consists in that the extinguishing plates are curved and arranged through intermediate plate.

EFFECT: by performing arc plates a curved shape and the introduction of the intermediate plates, thereby increasing the number of arc plates without increasing the camera size, ensures the rapid stretching of the arc and increase the voltage thereon, thereby increasing the arc cooling rate and efficiency of its quenching decreases the emission hot gases for the chamber size.

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