Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/054393
Kind Code:
A1
Abstract:
This valve device is provided with: a valve housing (10) having a communication space (110) which communicates with a plurality of flow passages; and valve members (20, 40, 50, 60, 70) which, when contacting an edge section (17) of an opening of one flow passage (14) of the plurality of flow passages, block the one flow passage from the communication space, the opening being formed between the one flow passage and the communication space. In at least a portion of the valve members of this valve device, the sum of the widths (Li11, Li12, Li13, Li21, Li22, Li23, Li31, Li32, Li33) of radial outer sections (21, 41, 51) of the valve members in directions along the rotation axes (RA20, RA40, RA50) and the distances (Ri221, Ri222, Ri223, Ri421, Ri422, Ri423, Ri521, Ri522, Ri523) from points on the rotation axes (RA20, RA60, RA70) of the valve members to radial outer sections (225, 235, 625, 725) of the valve members decreases along the valve closing rotation direction.
Inventors:
MORITANI YUICHIRO (JP)
TSUZUKI YUSHI (JP)
TSUZUKI YUSHI (JP)
Application Number:
PCT/JP2018/033728
Publication Date:
March 21, 2019
Filing Date:
September 12, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F16K11/076; F02M26/70; F02M26/71; F02M26/06
Domestic Patent References:
| WO2016126237A1 | 2016-08-11 |
Foreign References:
| JP2017155885A | 2017-09-07 | |||
| JP2014169668A | 2014-09-18 |
Attorney, Agent or Firm:
HATTORI Masaki (JP)
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