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A switch provided with a negative pressure chamber (15) is actuated in association with the separating operation of a movable contact (6). The negative pressure chamber (15) is connected to means (11) for supplying a fluid to the negative pressure chamber (15) so as to suppress the negative pressure...

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Main Authors SEKI, TAKAHIDE, HITACHI-SHI, IBARAKI-KEN, JP, HONDA, HARUO, HITACHI-SHI, IBARAKI-KEN, JP, SEKI, YASUHARU, HITACHI-SHI, IBARAKI-KEN, JP, ITOH, SYUNJI, HITACHI-SHI, IBARAKI-KEN, JP, TSUKUSHI, MASANORI, HITACHI-SHI, IBARAKI-KEN, JP
Format Patent
LanguageGerman
Published 01.02.1996
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:A switch provided with a negative pressure chamber (15) is actuated in association with the separating operation of a movable contact (6). The negative pressure chamber (15) is connected to means (11) for supplying a fluid to the negative pressure chamber (15) so as to suppress the negative pressure in the negative pressure chamber (15) during the initial stage of the separating operation of the movable contact (6).
Bibliography:Application Number: DE19906019184T