Title:
MOTOR-OPERATED VALVE
Document Type and Number:
Japanese Patent JP2015094372
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a motor-operated valve capable of reducing noise generated when fluid flows in a first flow direction.SOLUTION: A motor-operated valve includes a valve body 5 having a valve chamber 7 demarcated in an inside thereof and having a first opening 11a and a second opening 12a in a side portion and a bottom portion, a valve seat member 8 having a valve port 9 opened to the valve chamber 7 and a valve seat 8a and fixed to a second opening 12a of the valve body 5, a valve element 20 arranged in the valve chamber 7 so as to be lifted and lowered, and a lifting and lowering drive part 50 for lifting and lowering the valve element 20 to the valve seat 8a. The valve element 20 is constituted by a cylindrical body opened to the valve port 9, and has a skirt part 20c in which an inside diameter of the cylindrical body is continuously or gradually extended toward the valve port 9.
Inventors:
TABUCHI TAKEMOTO
NOBUKI TAKENORI
NOBUKI TAKENORI
Application Number:
JP2013232013A
Publication Date:
May 18, 2015
Filing Date:
November 08, 2013
Export Citation:
Assignee:
FUJI KOKI KK
International Classes:
F16K31/04; F16K1/52; F16K47/02
Domestic Patent References:
| JP2013130271A | 2013-07-04 | |||
| JPH07248162A | 1995-09-26 | |||
| JPS6113067A | 1986-01-21 | |||
| JPH09119551A | 1997-05-06 |
Foreign References:
| US20100107669A1 | 2010-05-06 |
Attorney, Agent or Firm:
Yusuke Hiraki
Sekiya Mitsuo
Ishikawa Takiharu
Naoki Takemura
Sekiya Mitsuo
Ishikawa Takiharu
Naoki Takemura
Previous Patent: PROTECTION MEMBER FOR GAS VESSEL
Next Patent: TILTING PAD THRUST BEARING AND ROTARY MACHINE WITH TILTING PAD THRUST BEARING
Next Patent: TILTING PAD THRUST BEARING AND ROTARY MACHINE WITH TILTING PAD THRUST BEARING