Title:
ELECTRICAL DRIVE VALVE
Document Type and Number:
Japanese Patent JP2018105387
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electrical drive valve that can inhibit a malfunction as much as possible while expanding a range of use application of an electrical drive valve such as a motor valve and a solenoid valve.SOLUTION: In an electrical drive valve, a seal member 70 for sealing a boundary between a valve chamber 21 and a lifting drive part is held between a valve body 20 and a guide bushing 26 fixed to the valve body 20. A ceiling part 21a of the valve chamber 21 in the valve body 20 is provided with a penetration hole 21b into which a valve stem 25 is inserted and a fitting hole 21d to which the guide bushing 26 is fixed. The seal member 70 is disposed in a recess hole 21c provided between the penetration hole 21b and the fitting hole 21d while being externally provided to the valve stem 25.SELECTED DRAWING: Figure 2
Inventors:
UNNO SHINICHI
Application Number:
JP2016251046A
Publication Date:
July 05, 2018
Filing Date:
December 26, 2016
Export Citation:
Assignee:
FUJI KOKI KK
International Classes:
F16K41/06; F16K31/04; F16K41/08
Domestic Patent References:
| JPH01275977A | 1989-11-06 | |||
| JP2542950Y2 | 1997-07-30 | |||
| JP2003247655A | 2003-09-05 |
Foreign References:
| WO2014054118A1 | 2014-04-10 | |||
| WO2016067464A1 | 2016-05-06 |
Attorney, Agent or Firm:
Yusuke Hiraki
Toshiaki Watanabe
Ishikawa Takiharu
Naoki Takemura
Toshiaki Watanabe
Ishikawa Takiharu
Naoki Takemura