CPC Subgroup
H01H 33/70 Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
Full Title
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means > Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
8 direct subcodes
Child Classifications
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- H01H 33/72 having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H 33/76 wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
- H01H 33/80 flow of arc-extinguishing fluid from a pressure source being controlled by a valve
- H01H 33/86 the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
- H01H 33/88 the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H 33/98 the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow