Title:
FLOW CONTROL VALVE AND TEMPERATURE CONTROL DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/203472
Kind Code:
A1
Abstract:
Provided are: a flow control valve from which leakage of a fluid can be suppressed when the flow control valve is fully closed, compared to a flow control valve not having a gap reducing part provided so as to partially reduce the gap between a valve element and a member facing the valve element; and a temperature control device using the same. The present invention is provided with: a valve body having a valve seat formed of a columnar hollow space where one or more valve ports each of which has a rectangular cross section and through which a fluid flows are formed; a cylindrical valve element which is rotatably arranged in the valve seat of the valve body so as to open/close the valve ports and which has an opening portion in the outer circumferential surface thereof; a gap reducing part which is provided so as to partially reduce the gap between the valve element and a member facing the valve element; and a drive means for rotationally driving the valve element.
Inventors:
ONO SHIGEHIKO (JP)
HIRAOKA KATSUMICHI (JP)
HIRAOKA KATSUMICHI (JP)
Application Number:
PCT/JP2018/015805
Publication Date:
November 08, 2018
Filing Date:
April 17, 2018
Export Citation:
Assignee:
SHINWA CONTROLS CO LTD (JP)
International Classes:
F16K5/04; F16K11/085
Foreign References:
| JP6104443B1 | 2017-03-29 | |||
| JPH01176864A | 1989-07-13 |
Attorney, Agent or Firm:
NAKAMURA Tomohiro et al. (JP)
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