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Patent Searching and Data


Title:
VACUUM SWITCH AND VACUUM SWITCH GEAR USING THE VACUUM SWITCH
Document Type and Number:
WIPO Patent Application WO/2000/021108
Kind Code:
A1
Abstract:
A vacuum switch and a vacuum switch gear using the vacuum switch which are suitable for a receiving and distributing equipment capable of providing both the simplified structure and improved reliability, wherein a switch part is assembled in an earthed vacuum container, a circuit breaker, earthing device, and a disconnect switch having that switch part are provided, the vacuum container is divided into at least two chambers through insulator, and the switch part of the circuit breaker is provided in one chamber and the switch parts of the earth device and disconnect switch are provided in the other chamber through insulator.

Inventors:
KIKUKAWA SHUICHI (JP)
TANIMIZU TORU (JP)
KANOI MINORU (JP)
TAZAWA MAKOTO (JP)
MIYO TAKUYA (JP)
Application Number:
PCT/JP1999/005334
Publication Date:
April 13, 2000
Filing Date:
September 29, 1999
Export Citation:
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Assignee:
HITACHI LTD (JP)
KIKUKAWA SHUICHI (JP)
TANIMIZU TORU (JP)
KANOI MINORU (JP)
TAZAWA MAKOTO (JP)
MIYO TAKUYA (JP)
International Classes:
H01H33/666; H02B13/035; H01H1/58; H01H31/00; H01H33/02; H01H33/66; (IPC1-7): H01H33/66; H02B13/02
Foreign References:
US3813506A1974-05-28
US5808258A1998-09-15
JPS471928B11972-01-19
JPS55171931U1980-12-10
JPS5810330A1983-01-20
Other References:
See also references of EP 1119011A4
Attorney, Agent or Firm:
Sakuta, Yasuo (Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo, JP)
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