High-voltage hybrid circuit-breaker

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Multiple break

Reexamination Certificate

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Details

C218S007000, C218S154000

Reexamination Certificate

active

11090434

ABSTRACT:
The invention relates to a hybrid circuit-breaker which, for each pole, comprises a dielectric-gas interrupting chamber (1) which contains a first contact (1A) and a moving second contact (1B) that are disposed longitudinally to a first axis (AA′) and in which the first contact (1A) is connected to a first terminal (3A) of the network, said interrupting chamber (1) being connected in series with a vacuum bottle (2) which contains a fixed contact (2A) and a moving contact (2B) that are disposed longitudinally to a second axis (BB′) and in which the fixed contact (2A) is connected to a second terminal (3B) of the network, actuating means acting via a single control (4) to move said moving contacts between respective open positions and respective closed positions. According to the invention, said actuating means comprise a re-closure arrangement for re-closing the moving contact (2B) of the vacuum bottle, which re-closure arrangement enables said single control (4) to perform such re-closure before the moving contact (1B) of said interrupting chamber reaches its open position.

REFERENCES:
patent: 3571543 (1971-03-01), Perkins et al.
patent: 4458119 (1984-07-01), Hashimoto et al.
patent: 5644117 (1997-07-01), Bolongeat-Mobleu et al.
patent: 5905242 (1999-05-01), Bernard et al.
patent: 6593538 (2003-07-01), Perret et al.
patent: 2002/0195425 (2002-12-01), Perret et al.
patent: 0 680 063 (1995-04-01), None
patent: 1 020 970 (2000-07-01), None
patent: WO 97/08723 (1997-03-01), None

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