Patent ID: 9478373
Filing Date: 2016-10-25
CPC Classification: H01H

Claim Text:
1. A rotary switch housing, comprising a bottom wall for mounting of the switch housing to a mounting base, and side walls extending substantially perpendicularly from the bottom wall, the switch housing comprising spaces for receiving two stationary contacts, and a space for receiving a rotary contact for serving as a contact bridge between the stationary contacts, the switch housing further comprising an arc chamber for extinguishing an electric arc, and a gas exhaust channel for exhausting gas developed in the arc chamber out of the housing, the switch housing comprises, in vertical direction, a bottom half having the bottom wall, and a top half above the bottom half, which gas exhaust channel is arranged to the bottom half of the housing, wherein stationary contacts are arranged substantially at the middle of the housing in the vertical direction, the gas exhaust channel comprises a guiding portion, which is substantially parallel to a side wall of the housing for leading the gases to a direction away from the bottom wall of the housing, the gas exhaust channel further comprising an outlet for outletting the gases out of the housing, which guiding portion and outlet are arranged to guide the gases towards the first stationary contact residing partly outside of the housing, and the gas exhaust channel is made as a recess to a side wall of the housing.