Casing construction for pole type dielectric containing transfor

Details Casing construction for pole type dielectric containing transfor Casing construction for pole type dielectric containing transfor

1975-12-17

1977-01-25

Kozma, Thomas J.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

137541, 174 11R, 174 17VA, 220 85TC, 220246, 220367, 336 90, H01F 2702, H02H 704

Patent

active

040053415

ABSTRACT:
A transformer is provided that utilizes a substantially fully integral, generally outwardly convex casing or tank for enclosing an electrical transformer in a dielectric environment. The casing has fully integral side and top and bottom end walls, and has an open portion in its top end wall of sufficient size to serve both as a positive low to high pressure release and a maintenance hand hole. An easily inserted and removed cover assembly employs an operating stem, a domed cover member, a clamping member, a nut carrying bracket member and a spring that may be adjusted to a desired pressure relief setting by rotating the stem in one direction. Rotation of the stem in an opposite direction releases its clamping setting and loosens the parts of the cover assembly in such a manner as to permit it to be easily and quickly removed from the open portion by tilting it with respect to and out of the open portion.

REFERENCES:
patent: 1220296 (1917-03-01), Vanderford
patent: 2616585 (1952-11-01), Condit et al.
patent: 2619316 (1952-11-01), Wilson
patent: 3084827 (1963-04-01), Dyer
patent: 3719200 (1973-03-01), Draper et al.

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