Title:
FLOW PATH SWITCHING VALVE
Document Type and Number:
WIPO Patent Application WO/2021/010059
Kind Code:
A1
Abstract:
Provided is a flow path switching valve such that the influence of burrs created by welding can be effectively reduced. A flow passage switching valve (1) has an annular joint part (90) provided between a valve main body (10) and a lower case (43) and whereat the inner circumferential surface of a circumferential wall portion (15) of the valve main body and the outer circumferential surface of a tubular portion (46) of the lower case are joined across the entire circumference. In addition, the flow passage switching valve has an annular first burr retaining space (91) and a second burr retaining space (92) which are provided between the valve main body and the lower case and arranged sandwiching the joint part.
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Inventors:
KONDO DAISUKE (JP)
MOCHIZUKI KENICHI (JP)
HARADA TAKAO (JP)
MATSUMOTO TAKAYUKI (JP)
SHIRAKAWA NAOMASA (JP)
TAKAHASHI KOUJI (JP)
MOCHIZUKI KENICHI (JP)
HARADA TAKAO (JP)
MATSUMOTO TAKAYUKI (JP)
SHIRAKAWA NAOMASA (JP)
TAKAHASHI KOUJI (JP)
Application Number:
PCT/JP2020/022806
Publication Date:
January 21, 2021
Filing Date:
June 10, 2020
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
DENSO CORP (JP)
DENSO CORP (JP)
International Classes:
F16K27/10; B29C65/08
Foreign References:
| JPS511821U | 1976-01-08 | |||
| JP2016041963A | 2016-03-31 | |||
| JP2001199228A | 2001-07-24 | |||
| JP2005030540A | 2005-02-03 | |||
| JP2018084288A | 2018-05-31 | |||
| JP2010223418A | 2010-10-07 |
Other References:
See also references of EP 4001718A4
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
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