Moving interrupter gap shield

Details Moving interrupter gap shield Moving interrupter gap shield

1995-06-02

1997-08-05

Brown, Brian W.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Air-current blowout

218 72, 218 53, 218 51, H01H 3391

Patent

active

056545320

ABSTRACT:
The movable nozzle of a puffer circuit interrupter has a coaxial cylindrical shield connected to its downstream end and the main movable contacts connected to its upstream end. The shield is electrically connected to the stationary contact terminal. The movable contact ring and coaxial shield at the upstream end of the nozzle define a well shielded open gap when the interrupter gap opens.

REFERENCES:
patent: 3733452 (1973-05-01), Strippoli et al.
patent: 4095068 (1978-06-01), Meyer et al.
patent: 4101748 (1978-07-01), Meyer et al.
patent: 4110580 (1978-08-01), Farish
patent: 4131775 (1978-12-01), Meyer et al.
patent: 4132876 (1979-01-01), Sato et al.
patent: 4780581 (1988-10-01), Holmgren et al.
patent: 5304762 (1994-04-01), Hiltbrunner

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