Title:
SOLENOID VALVE AND WORK MACHINE
Document Type and Number:
Japanese Patent JP2020133695
Kind Code:
A
Abstract:
To provide a solenoid valve capable of compactly assembling a fluid selection function of a shuttle valve.SOLUTION: A solenoid valve 1 comprises: a spool hole 21 having a first input port 31; a valve body 11 connected to the spool hole 21, and provided with a confluence chamber 22 having a second input port 32; a spool 12 arranged inside the spool hole 21; a drive unit 13 that moves the spool 12 in an axial direction; and a moving body 14 that is arranged inside the confluence chamber 22, and closes the second input port 32 when the pressure of fluid flowing from the spool hole 21 toward the confluence chamber 22 is higher than the pressure of fluid flowing from the second input port 32 toward the confluence chamber 22.SELECTED DRAWING: Figure 1
Inventors:
IWASAKI HITOSHI
Application Number:
JP2019024720A
Publication Date:
August 31, 2020
Filing Date:
February 14, 2019
Export Citation:
Assignee:
NABTESCO CORP
International Classes:
F16K31/06
Domestic Patent References:
| JPH05296346A | 1993-11-09 | |||
| JP2006010046A | 2006-01-12 | |||
| JP2004308909A | 2004-11-04 |
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Satoru Asakura
Yukihiro Hotta
Yoshiki Kanagawa
Yukitaka Nakamura
Satoru Asakura
Yukihiro Hotta
Yoshiki Kanagawa