Title:
FLOW PASSAGE SWITCHING VALVE
Document Type and Number:
WIPO Patent Application WO/2020/039889
Kind Code:
A1
Abstract:
Provided is a flow passage switching valve which is capable, with a simple configuration, of preventing an annular seal surface of a slide valve body from catching on a port configured to be open on a valve sheet surface of a main valve seat. A protruding surface part (15t), which has the same height as an annular seal surface (15s), is provided on the outside of a first slide valve body (high-pressure side slide valve body) (15A) in the axial direction of the annular seal surface (15s).
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Inventors:
KIBUNE HITOSHI (JP)
FUJITA NAOTAKA (JP)
FUJITA NAOTAKA (JP)
Application Number:
PCT/JP2019/030394
Publication Date:
February 27, 2020
Filing Date:
August 02, 2019
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F16K11/065; F16K25/02; F25B41/04
Foreign References:
| JP2013227994A | 2013-11-07 | |||
| CN105333167A | 2016-02-17 | |||
| JP2008138995A | 2008-06-19 | |||
| JP2018044666A | 2018-03-22 | |||
| JP2018179058A | 2018-11-15 | |||
| JP2019065895A | 2019-04-25 | |||
| JP2012002279A | 2012-01-05 | |||
| JPH08170864A | 1996-07-02 | |||
| JP2018044666A | 2018-03-22 |
Other References:
See also references of EP 3842676A4
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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