Title:
ボールバルブ断路器
Document Type and Number:
Japanese Patent JP2010537125
Kind Code:
A
Abstract:
A ball valve isolator (5) includes a housing (15), a ball valve (60), a first isolator (40), and a second isolator (41). The housing (15) is provided with a first flow passage (29) located between an inlet (30) and an outlet (31). The ball valve (60) that includes a ball portion (63) located in the first flow passage (29) and defines a second flow passage (65) that is aligned with the first flow passage (29) when the ball valve (60) is actuated to an open position. The first isolator (40) is located, at least in part, within the housing (15) and substantially blocks the inlet (30) when the first isolator (40) is actuated to a closed position. The second isolator (41) is located, at least in part, within the housing (15) and substantially blocks the outlet (31) when the second isolator (41) is actuated to a closed position.
Inventors:
Hawks, Stephen Robert
Edwards, Richard
Edwards, Richard
Application Number:
JP2010520614A
Publication Date:
December 02, 2010
Filing Date:
August 23, 2007
Export Citation:
Assignee:
Norgren Limited
International Classes:
F16K43/00; F16K5/06
Domestic Patent References:
| JPS5421848U | 1979-02-13 | |||
| JP2003322268A | 2003-11-14 | |||
| JPH04362383A | 1992-12-15 |
Foreign References:
| US5546983A | 1996-08-20 |
Attorney, Agent or Firm:
Shinjiro Ono
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Toru Miyamae
Kazuo Shamoto
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Toru Miyamae