Title:
FLOW PATH SWITCH VALVE
Document Type and Number:
WIPO Patent Application WO/2020/162061
Kind Code:
A1
Abstract:
[Problem] To provide a flow path switch valve capable of effectively preventing a reduction in the rigidity of a beam part of a valve body. [Solution] A ball valve body 20 of a flow path switch valve 1 is provided with a first opening 21, a second opening 22, and a third opening 23 which communicate with a switch path 25 provided inside, and a valve stem insertion hole 24 into which a valve stem 50 is inserted. Further, the valve stem insertion hole 24 has a corner part 24a protruding outward, and the corner part 24a is disposed out of alignment with a beam part 26a between the first opening 21 and the valve stem insertion hole 24, a beam part 26b between the second opening 22 and the valve stem insertion hole 24, and a beam part 26c between the third opening 23 and the valve stem insertion hole 24.
Inventors:
KONDO DAISUKE (JP)
MOCHIZUKI KENICHI (JP)
MATSUMOTO TAKAYUKI (JP)
TAKAHASHI KOJI (JP)
MOCHIZUKI KENICHI (JP)
MATSUMOTO TAKAYUKI (JP)
TAKAHASHI KOJI (JP)
Application Number:
PCT/JP2019/050052
Publication Date:
August 13, 2020
Filing Date:
December 20, 2019
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
DENSO CORP (JP)
DENSO CORP (JP)
International Classes:
F16K5/06
Foreign References:
| JPH03157571A | 1991-07-05 | |||
| US20010032957A1 | 2001-10-25 | |||
| US4175580A | 1979-11-27 | |||
| JPS4638473B1 | ||||
| JP2018115690A | 2018-07-26 |
Other References:
See also references of EP 3922889A4
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
Download PDF: