Title:
PRIORITY FLOW RATE CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2019/215883
Kind Code:
A1
Abstract:
A throttle check valve (26) comprises: a poppet valve body (31) on one end of which an orifice (32) is formed, and on a side of which holes (35) are formed; a plug (33) that has a tubular shape surrounding this poppet valve body (31), and that also functions as a valve seat that makes contact with the poppet valve body (31); and a spring (34) that biases the poppet valve body (31) in a direction in which the poppet valve body (31) makes contact with the plug (33) functioning as a valve seat. When a spool (12) is arranged in a second position the plug (33), which forms the tip-end portion of the spool (12), makes contact with a plug (21) arranged in a housing. A protrusion (27) which makes contact with the poppet valve body (31) is arranged on the plug (21).
Inventors:
SONOKAWA SHOGO (JP)
Application Number:
PCT/JP2018/018184
Publication Date:
November 14, 2019
Filing Date:
May 10, 2018
Export Citation:
Assignee:
SHIMADZU CORP (JP)
International Classes:
B62D5/07; F15B13/06; B66F9/22; F15B11/16
Foreign References:
| JP2009014046A | 2009-01-22 | |||
| JP2009014046A | 2009-01-22 |
Other References:
See also references of EP 3792503A4
Attorney, Agent or Firm:
OTSUBO Takashi (JP)
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