ELECTRODE FOR VACUUM VALVE, AND VACUUM VALVE AND VACUUM BREAKER OBTAINED BY USING THE SAME

ELECTRODE FOR VACUUM VALVE, AND VACUUM VALVE AND VACUUM BREAKER OBTAINED BY USING THE SAME

PROBLEM TO BE SOLVED: To provide an inexpensive low surge type electrode for a vacuum valve which is harmless for the environment, and to provide a vacuum valve and a vacuum breaker obtained by using the same. SOLUTION: The low surge type electrode for a vacuum valve comprises an electric contact me...

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Hauptverfasser: SATO TAKASHI, KOBAYASHI MASAHITO, MASUKO TAKASHI, KIKUCHI SHIGERU, BABA NOBORU, KOGUCHI YOSHIO, TSUCHIYA KENJI
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
RELAYS
SELECTORS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator SATO TAKASHI
KOBAYASHI MASAHITO
MASUKO TAKASHI
KIKUCHI SHIGERU
BABA NOBORU
KOGUCHI YOSHIO
TSUCHIYA KENJI
description PROBLEM TO BE SOLVED: To provide an inexpensive low surge type electrode for a vacuum valve which is harmless for the environment, and to provide a vacuum valve and a vacuum breaker obtained by using the same. SOLUTION: The low surge type electrode for a vacuum valve comprises an electric contact member consisting of highly conductive metal, active metal, and a refractory component, and an electrode rod. The refractory component in the electric contact member is the oxide of the metal as the component same as the active metal. By making the active metal same as the metal composing the refractory component, oxygen generated by the decomposition of the oxide on current breaking can be adsorbed, and voltage resisting performance after the breaking can be secured. The vacuum valve and vacuum breaker can be obtained by using the same. COPYRIGHT: (C)2004,JPO&NCIPI
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subjects ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
RELAYS
SELECTORS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title ELECTRODE FOR VACUUM VALVE, AND VACUUM VALVE AND VACUUM BREAKER OBTAINED BY USING THE SAME
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