VACUUM CIRCUIT BREAKER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

SERIAL NO

15540433

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A vacuum circuit breaker includes a ground tank, first and second vacuum interrupters, a link mechanism for opening and closing the vacuum interrupters and a link mechanism case housing the link mechanism and supported by an insulating support tube. An insulating operation rod for operating the link mechanism is provided through the insulating support tube and a side portion of the ground tank. An operation room is provided around the portion of the ground tank through which the insulating operation rod is inserted. A conversion mechanism for driving the insulating operation rod is arranged in the operation room. A space communicating with inner sides of bellows of the vacuum interrupters (including the inside of the link mechanism case and the inside of the insulating support tube) is filled with insulating gas of 0.3 MPa or lower. The other space is filled with insulating gas of higher pressure.

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Patent Owner(s)

Patent OwnerAddress
MEIDENSHA CORPORATIONTOKYO 141-6029

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
NAGATAKE, Kazuhiro Numazu-shi, Shizuoka, JP 4 48
SUWA, Akihiro Numazu-shi, Shizuoka, JP 3 18

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