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Title:
VALVE
Document Type and Number:
WIPO Patent Application WO/2022/030312
Kind Code:
A1
Abstract:
The present invention provides a valve having high controllability. A valve V1 is equipped with: a valve housing 10 that has an inflow port 40b and an outflow port 11 formed therein; a valve body 51 that is driven by a drive source 80; a spring 85 that biases the valve body 51 in the opposite direction from the direction of driving by the drive source 80; and a poppet valve 50 that is constituted from the valve body 51 and a valve seat 40a formed on the edge of a through-flow passage 40b. The movement of the valve body 51 is used to control the flow rate. Flow passages C1, C2 on the downstream side of the poppet valve 50 are each provided with an increase region where the flow passage cross-sectional area exhibits a progressive increase toward the downstream side.

Inventors:
KANZAKI TOSHINORI (JP)
TAKAHASHI WATARU (JP)
HAYAMA MASAHIRO (JP)
FUKUDOME KOHEI (JP)
SHIRAFUJI KEIGO (JP)
Application Number:
PCT/JP2021/027767
Publication Date:
February 10, 2022
Filing Date:
July 27, 2021
Export Citation:
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Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F16K1/36; F04B27/18; F16K1/42
Foreign References:
JP2018035840A2018-03-08
JP2009115204A2009-05-28
JP2010019406A2010-01-28
JP2006153204A2006-06-15
JP2015075054A2015-04-20
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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