Title:
電動弁
Document Type and Number:
Japanese Patent JP6643292
Kind Code:
B2
Abstract:
Provided is an electric valve which can improve operability and durability by reduce torque required for opening a valve, and promote to more miniaturize the electric valve. With movement upwards of a valve holder (23) by a lifting drive device, a pilot valve body (27) and a main valve body (25) are coupled to the valve holder (23) with a different lift amount in order. Therefore, a pressure equalizing passage (26A) is opened to open a valve port (11b) in stages with time difference.
Inventors:
Hishiya Kohei
Application Number:
JP2017188018A
Publication Date:
February 12, 2020
Filing Date:
September 28, 2017
Export Citation:
Assignee:
Fuji Koki Co., Ltd.
International Classes:
F16K31/04; F16K1/44; F16K31/42; F16K39/02; F25B41/06
Domestic Patent References:
| JP2018096460A | ||||
| JP2009210120A | ||||
| JP2012117584A | ||||
| JP58130350U | ||||
| JP2016164435A |
Attorney, Agent or Firm:
Hiraki International Patent Office