Title:
PUFFER TYPE GAS CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2016173900
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a puffer type gas circuit breaker which does not take time and effort of assembly and adjustment, by constituting a pressure release valve and a suction valve integrally.SOLUTION: A puffer mechanism is constituted of a puffer cylinder and a fixed piston fixed and disposed movably relative to the puffer cylinder, a compression chamber is constituted by partitioning the inside of the puffer cylinder by means of a partition wall, a suction and exhaust hole is provided to penetrate the piston wall of the piston facing the compression chamber, the suction and exhaust hole provided in the piston wall is closed by a pressure release valve plate from the inside of the piston, a suction hole is provided to penetrate the pressure release valve plate, and a suction valve plate for closing the suction hole of the pressure release valve plate, so as to be able to be opened and closed, is disposed in the suction and exhaust hole of the piston wall.SELECTED DRAWING: Figure 2
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Inventors:
ISOZAKI MASARU
NAKANO MASAYOSHI
TAKAO NOBUYUKI
YAMADA NAOTO
NAKANO MASAYOSHI
TAKAO NOBUYUKI
YAMADA NAOTO
Application Number:
JP2015052426A
Publication Date:
September 29, 2016
Filing Date:
March 16, 2015
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
H01H33/915; H01H33/78; H01H33/88
Domestic Patent References:
| JP2003141974A | 2003-05-16 |
Attorney, Agent or Firm:
Iwao Yamaguchi
Hiroshi Yamamoto
Hiroshi Yamamoto