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Title:
A pressure control valve and a control valve
Document Type and Number:
Japanese Patent JP5991434
Kind Code:
B2
Abstract:
A pressure control valve capable of preventing or suppressing the occurrence of the flaw that a pilot valve element which receives hydraulic pressure from a hydraulic fluid vibrates and hits a pilot valve seat member producing strange noise when the pilot valve element is in an opening state without resulting in an increase in number of components and assembling man-hours, the pressure control valve is provided with a main valve part containing a main valve element and a valve housing that includes a main valve seat on which the main valve element is able to be seated and a pilot chamber in which the main valve element is put in a slidable manner, and a pilot valve part containing a pilot valve element and a pilot valve seat member that includes a pilot valve seat on which the pilot valve element is able to be seated, the pilot valve element moving apart from the pilot valve seat to open when pressure in the pilot chamber exceeds a predetermined pressure.

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Inventors:
Black warrior Junya
Application Number:
JP2015522431A
Publication Date:
September 14, 2016
Filing Date:
June 20, 2013
Export Citation:
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Assignee:
SHIMADZU CORPORATION
International Classes:
F16K17/04; F16K47/02
Domestic Patent References:
JPS6391763U1988-06-14
JPS4720891B1
JPS62147002A1987-07-01
JPH11311349A1999-11-09
JPS488740Y11973-03-07
JPS4716706B1
JP2012514722A2012-06-28
Attorney, Agent or Firm:
Kazuhiro Akazawa



 
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