High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices
Patent
1996-10-07
1998-04-21
Berhane, Adolf
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
H01H 3300
Patent
active
057420157
ABSTRACT:
A sealed contactor for switching electric current has a switching assembly that includes a movable contact which selectively bridges a pair of stationary contacts to provide an electrical path therebetween. The moveable and stationary contacts are mounted to a body of electrically insulating material to form a unitized structure. A separate actuator assembly has an enclosure which contains an electrically operated driver with a linkage that extends into the switching assembly to alternately operate the moveable contact into engagement with and disengagement from the stationary contacts. The switching assembly is sealingly attached to the actuator assembly in an interlocking manner that prevents arcs produced between the contacts from escaping outside the electric current switching apparatus. Nevertheless, the switching assembly is capable of being easily removed and replaced as a single unit from the actuator assembly when repairing the contactor.
REFERENCES:
patent: 4006440 (1977-02-01), Burton et al.
patent: 4525694 (1985-06-01), Dennison et al.
patent: 4760364 (1988-07-01), Ostby
patent: 4766273 (1988-08-01), Butterworth et al.
patent: 5004874 (1991-04-01), Theisen et al.
patent: 5416455 (1995-05-01), Moldovan et al.
Bauer Michael E.
Fiacchino Stephen R.
Matschull Kurt D.
Moldovan Peter K.
Myers Brad L.
Berhane Adolf
Eaton Corporation
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