Title:
プライオリティ流量制御バルブ
Document Type and Number:
Japanese Patent JP6892012
Kind Code:
B2
Abstract:
A throttle check valve (26) includes: a poppet valve body (31) that has an orifice (32) formed at one end and has a hole portion (35) formed at a side portion; a plug (33) that has a tubular shape to surround the poppet valve body (31), and functions as a valve seat to come into contact with the poppet valve body (31); and a spring (34) that biases the poppet valve body (31) and the plug (33) functioning as the valve seat in directions to come into contact with each other. When the spool (12) is at the second position, the plug (33) forming the distal end portion of the spool (12) and the plug (21) arranged in the housing come into contact with each other. The plug (21) is provided with a protruding portion (27) that comes into contact with the poppet valve body (31).
Inventors:
Shogo Gokawa
Application Number:
JP2020517710A
Publication Date:
June 18, 2021
Filing Date:
May 10, 2018
Export Citation:
Assignee:
SHIMADZU CORPORATION
International Classes:
F15B13/06
Domestic Patent References:
| JP2009014046A | ||||
| JP2006290236A | ||||
| JP7017415A |
Attorney, Agent or Firm:
Kyoto International Patent Office