ELECTRICAL DEVICE Russian patent published in 2017 - IPC H01H33/22 

FIELD: electricity.

SUBSTANCE: electrical device comprises a hollow cylindrical case (1) made of solid insulation. There are fixed point (2) and movable point (3) in axial alignment with the case. The facing a movable point (3) part (5) of the point (2) is surrounded by the cylindrical wall (6) made of solid insulation. A part of the solid insulation (7) of the movable point (3) is designed as a quill cylinder (9), in which there is an insulating liquid (10). In a built-up operative condition, the fixed point (2) is situated at the top, the movable point (3) is situated at the bottom. In the open condition of the points (2) and (3), the contact part (5) of the point (2), the cylindrical wall (6) end of the point (2) and the aperture (12) are situated in the insulating liquid (10) medium. The technical result is the decrease in device dimensions.

EFFECT: disruptive discharge probability over the surface is also brought down to a minimum, reliability growth and device service life improvement are provided.

2 cl, 2 dwg