Cap for insulator support housing

Details Cap for insulator support housing Cap for insulator support housing

1987-03-02

1987-10-13

Prunner, Kathleen J.

Electricity: conductors and insulators

With fluids or vacuum

Insulators

55120, 55146, 55148, H01B 1726, B03C 386

Patent

active

047000147

ABSTRACT:
A cover cap (40) is provided for covering the open end of a support insulator (38) having a discharge electrode hanger rod (28) passing coaxially therethrough. The cover cap (40) comprises a top (42) and a sloping side wall (44) extending coaxially outwardly and downwardly from the perimeter edge (54) of the top (42) and having a radial lip (46) and an axial lip (48) extending outwardly at substantially right angles to each other from its lower perimeter surface. A tubular gas injection nozzle (92) having an elbow subtending an angle of 135 degrees, is provided in the sloping side wall (44) for passing a jet of scavenging gas into the interior region encompassed by the sloping side wall (44). At least one access opening (70) is provided in the sloping side wall for permitting access into the interior region encompassed by the sloping side wall (44). Lid (72) is provided for covering the access opening (70) in the sloping side wall to seal the opening when the lid is not removed to permit access into the interior region encompassed by the sloping side wall.

REFERENCES:
patent: 1856125 (1932-05-01), Austin
patent: 1994259 (1935-03-01), Thorne
patent: 2720551 (1955-10-01), Wastvind et al.
patent: 4294591 (1981-10-01), Kahl

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