Isolated phase bus disconnect switch with grounded operating mec

Details Isolated phase bus disconnect switch with grounded operating mec Isolated phase bus disconnect switch with grounded operating mec

1980-12-24

1982-07-13

Shepperd, John W.

Electricity: circuit makers and breakers

High-potential type

Rotating and pivoted

200163, H01H 3132

Patent

active

043396356

ABSTRACT:
A telescoping isolated phase bus disconnect switch includes a cylindrical outer housing at ground potential, a pair of coaxial fixed inner conductors at high potential, and a telescoping coaxial movable inner conductor bridging the two fixed inner conductors to perform a switching function. The movable inner conductor is supported on insulating means extending through the housing and mounted upon a movable carriage outside of the housing. The carriage is operated by a drive motor and mechanical linkage both located outside of the housing. The mechanical linkage produces a variable mechanical advantage, increasing its mechanical advantage over the movement range of the switch as the required closing force increases.

REFERENCES:
patent: 2008139 (1935-07-01), Massey et al.
patent: 2229006 (1941-01-01), Rudd
patent: 2813179 (1957-11-01), Rugg
patent: 2959657 (1960-11-01), Albright

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