Gas-blast circuit breaker

Details Gas-blast circuit breaker Gas-blast circuit breaker

1978-02-27

1980-07-08

Truhe, J. V.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148F, H01H 3370

Patent

active

042119049

ABSTRACT:
A gas-blast circuit breaker having cooperating stationary and movable power contacts, a movably arranged cylinder, a stationary piston disposed in the cylinder and slidable with respect thereto, a compression chamber defined by an end face of the piston and the inside of the cylinder, a drive rod operatively connected to the cylinder and the movable power contact for displacing them relative to the piston and the stationary power contact, respectively, a nozzle affixed to the cylinder and having an opening oriented towards the location where an electric arc is generated between the stationary and movable power contacts during displacement of the movable power contact away from the stationary power contact and a hollow guide sleeve connected to the drive rod and movable therewith as a unit. The movable power contact is supported within the guide sleeve and is displaceable with respect thereto.

REFERENCES:
patent: 3769479 (1973-10-01), Leeds

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