Modular puffer-type circuit-interrupter unit adaptable for diffe

Details Modular puffer-type circuit-interrupter unit adaptable for diffe Modular puffer-type circuit-interrupter unit adaptable for diffe

1976-05-12

1978-07-18

Dobeck, B.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144AP, 200 82B, H01H 3382, H01H 930

Patent

active

041017480

ABSTRACT:
An improved modular, puffer-type circuit-interrupting unit is provided capable of its own independent support, and adaptable for use, either as a singular modular unit, or when used with a plurality of similar units, constituting a conjointly-acting group of serially related puffer-units suitable for the higher-voltage applications.
The modular puffer-unit of the instant invention is capable of independent support, and is adaptable for very simple straight-line actuating movement, for not only causing contact separation, but also a simultaneous compression of the utilized gas to a pressurized state for gas ejection into the established arc for rapid arc extinction thereof. A novel feature of the instant invention is the utilization of a side insulating support baffle plate, which not only provides the desirable independent support for the stationary contact structure of the modular puffer-unit, but, additionally, serves as a baffle plate to prevent the lateral dispersion of the emanated hot arc gases from reaching the side tank wall, and thereby causing voltage flash-over.

REFERENCES:
patent: 2924690 (1960-02-01), Browne
patent: 3309482 (1967-03-01), Leeds
patent: 3358105 (1967-12-01), Barker
patent: 3446928 (1969-05-01), Harper
patent: 3839613 (1974-10-01), Tsubaki
patent: 3941962 (1976-03-01), Thaler
patent: 4000387 (1976-12-01), Millianowicz

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