Title:
ELECTRIC DRIVE VALVE
Document Type and Number:
Japanese Patent JP2015086996
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electric drive valve capable of reducing abnormal noise occurring when a fluid is flowed at an extremely low differential pressure in a second flow direction.SOLUTION: An electric valve includes: a valve body 5 where a valve chamber 7 is defined therein, a first opening 11a opening to the valve chamber 7 is formed at a side part, and a second opening 12a opening to the valve chamber 7 is formed at a bottom part, the valve body 5 where a valve seat member 8 having a valve port 9 and a valve seat 8a is fastened to the second opening 12a; a valve body 20 which is disposed in the valve chamber 7 so as to move up and down; and a lifting drive part 50 which moves up and down the valve body 20 relative to the valve seat 8a. A fluid guide wall 4 is erected in at least a part of an outer periphery of the valve seat 8a along a lifting direction of the valve body 20.
Inventors:
TABUCHI TAKEMOTO
NOBUKI TAKENORI
NOBUKI TAKENORI
Application Number:
JP2013228521A
Publication Date:
May 07, 2015
Filing Date:
November 01, 2013
Export Citation:
Assignee:
FUJI KOKI KK
International Classes:
F16K27/02; F16K31/04; F16K47/02
Domestic Patent References:
| JP2008232276A | 2008-10-02 | |||
| JP2008032215A | 2008-02-14 | |||
| JPH1137306A | 1999-02-12 | |||
| JP2008232290A | 2008-10-02 | |||
| JPS59140967A | 1984-08-13 | |||
| JP2005069644A | 2005-03-17 | |||
| JP2013130271A | 2013-07-04 | |||
| JP2006084108A | 2006-03-30 | |||
| JPH1137311A | 1999-02-12 |
Foreign References:
| WO2013000389A1 | 2013-01-03 | |||
| US5364066A | 1994-11-15 |
Attorney, Agent or Firm:
Yusuke Hiraki
Sekiya Mitsuo
Ishikawa Takiharu
Naoki Takemura
Sekiya Mitsuo
Ishikawa Takiharu
Naoki Takemura