Title:
VALVE
Document Type and Number:
WIPO Patent Application WO/2022/030313
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. A flow passage C1 on the downstream side of the poppet valve 50 is provided with a decrease region where the flow passage cross-sectional area exhibits a progressive decrease toward the downstream side.
Inventors:
KANZAKI TOSHINORI (JP)
TAKAHASHI WATARU (JP)
HAYAMA MASAHIRO (JP)
FUKUDOME KOHEI (JP)
SHIRAFUJI KEIGO (JP)
TAKAHASHI WATARU (JP)
HAYAMA MASAHIRO (JP)
FUKUDOME KOHEI (JP)
SHIRAFUJI KEIGO (JP)
Application Number:
PCT/JP2021/027769
Publication Date:
February 10, 2022
Filing Date:
July 27, 2021
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F16K1/36; F04B27/18; F16K1/42
Foreign References:
| JP2019167982A | 2019-10-03 | |||
| JP2017180525A | 2017-10-05 | |||
| JPH08159320A | 1996-06-21 | |||
| JP2018135954A | 2018-08-30 | |||
| JP2003314745A | 2003-11-06 | |||
| JP2015075054A | 2015-04-20 |
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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