Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1982-08-20
1984-05-22
Goldberg, E. A.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200150G, H01H 3370
Patent
active
044503300
ABSTRACT:
An electric switch includes two quenching nozzles which are arranged opposite each other at the distance of the switching gap; a contact tube; a guide tube and a longitudinally movable switching tube for bridging the switching gap which is coupled, together with a movable pressure piston of a pressure piston/pressure cylinder arrangement provided for generating a quenching medium flow acting on the arc, to a common drive. In order to improve such a switch still further with respect to the quenching medium flow, the pressure piston is connected rigidly to the switching tube and is arranged in a stationary pressure cylinder which is connected in the region of its end surrounding the contact tube via passage openings in the contact tube to the interior of the latter. The pressure piston is connected rigidly to a suction piston in a suction cylinder which is connected in the region of its end facing the pressure cylinder, via holes in the guide tube, to the interior thereof.
REFERENCES:
patent: 4278860 (1981-07-01), Wu
"IEEE Transactions on Power Apparatus and System", vol. PAS-99, No. 3, May/Jun. 1980.
Ginsburg Morris
Goldberg E. A.
Siemens Aktiengesellschaft
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