High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Polyphase
Reexamination Certificate
2011-03-22
2011-03-22
Luebke, Renee (Department: 2833)
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Polyphase
C218S007000, C218S119000
Reexamination Certificate
active
07910852
ABSTRACT:
A medium voltage circuit interrupter includes a circuit interrupter housing and a plurality of poles. Each of the poles includes an encapsulated pole unit. The encapsulated pole unit includes a first unit having a first conductor, a second conductor, a vacuum interrupter electrically connected between the first conductor and the second conductor, and a first housing housing the vacuum interrupter. A removable second unit includes a third conductor, a fourth conductor having a first portion electrically connected to the third conductor and a second portion removably electrically connected to one of the first conductor and the second conductor, an electronic device structured to sense a characteristic of the pole, and a second insulative housing encapsulating the third conductor, the first portion of the fourth conductor and the electronic device. An operating mechanism is structured to open and close the vacuum interrupter of each of the poles.
REFERENCES:
patent: 5017859 (1991-05-01), Engel et al.
patent: 5912604 (1999-06-01), Harvey et al.
patent: 6362445 (2002-03-01), Marchand et al.
patent: 6414257 (2002-07-01), Luscan et al.
Benke James J.
Chen Steven Z.
Jenkins Zachary R.
Zhou Xin
Eaton Corporation
Fishman Marina
Luebke Renee
Moran Martin J.
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