Title:
【発明の名称】遮断器
Document Type and Number:
Japanese Patent JP3082591
Kind Code:
B2
Abstract:
A circuit breaker includes a tank grounded and filled with an insulating gas, a first electrical series-connected section having a main conductor and a main breaking section, and a second electrical series-connected section having a resistor and an advance closing contact device. The first electrical series-connected section is coupled electrically in parallel to the second electrical series-connected section. The fixed contact side of the main breaking section is supported by an insulating cylinder and the fixed contact side of the advance closing contact device is supported by an insulating plate from the fixed contact side of the main breaking section. A breaking unit, chiefly composed of the main breaking section and the advance closing contact device, is supported by insulating cylinders. A resistor unit is supported by an insulating cylinder. The assembly of each of the units can be performed completely outside the tank, thereby eliminating the need for performing any adjustment type of work within the tank.
Inventors:
North East Hiromichi
Kunio Hirasawa
Masatomo Ohno
Manabu Takamoto
Hideo Kawamoto
Kunio Hirasawa
Masatomo Ohno
Manabu Takamoto
Hideo Kawamoto
Application Number:
JP23476594A
Publication Date:
August 28, 2000
Filing Date:
September 29, 1994
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H02B13/02; H01H33/16; H01H33/42; H01H33/70; H01H33/915; H02B13/035; (IPC1-7): H01H33/70; H01H33/42; H01H33/915; H02B13/02
Domestic Patent References:
| JP6489127A | ||||
| JP5314873A | ||||
| JP4858371A | ||||
| JP581972A | ||||
| JP76667A | ||||
| JP250574B2 |
Other References:
【文献】特許2679499(JP,B2)
Attorney, Agent or Firm:
Yasuo Sakuta