Electrical bushing

Details Electrical bushing Electrical bushing

1986-03-19

1986-12-16

Askin, Laramie E.

Electricity: conductors and insulators

With fluids or vacuum

With expansion and contraction means

H01B 1726

Patent

active

046298223

ABSTRACT:
An electrical bushing comprises a central conductor supported at the opposite ends of a hollow insulating tube, one end of the central conductor being axially movable relative to the insulating tube. A stationary terminal element is secured and electrically connected to the movable end of the central conductor, and a movable terminal is disposed axially movable relative to the stationary terminal element. An expansion chamber housing with a terminal cap for defining therein an expansion chamber is hermetically attached to the insulating tube to enclose the movable end of the conductor. A flexible conductor is used for electrically connecting the stationary terminal element and the movable terminal element while allowing an axial movement therebetween, and a compression spring axially biases the movable terminal element against the terminal cap to establish an electrical contact therebetween.

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