Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1981-12-17
1984-04-03
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200148R, 200148D, 200148E, 200148F, H01N 3388
Patent
active
044409966
ABSTRACT:
A gas-insulated circuit breaker is described which includes a Y-shaped, hollow grounded metal base member formed from a support section and two angularly-extending legs. A hollow insulating casing is secured to each base member leg. A stationary and a movable contact, separable from each other to establish an arc therebetween, are disposed in one of the casings, with an insulating gas disposed within both the base member and the insulating casings. A mechanism is used for directing a blast of insulating gas into the arc established between the separating contact, and includes a piston fixedly disposed in the one casing and a puffer cylinder secured to the movable contact and movable over the piston to compress the gas therebetween. An operating mechanism is associated with the base member support section for moving the movable contact, and a drive rod insulatably connects the movable contact and the operating mechanism. The operating mechanism thus moves the movable contact through the insulating drive rod.
REFERENCES:
patent: 2997564 (1961-08-01), Baker
patent: 4223191 (1980-09-01), Calvino
patent: 4365126 (1982-12-01), Oshima et al.
Macon Robert S.
Westinghouse Electric Corp.
Yatsko M. S.
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