Title:
逆止弁装置及び蒸発燃料供給システム
Document Type and Number:
Japanese Patent JP6544114
Kind Code:
B2
Abstract:
A check valve device includes a valve portion elastically deformable to prevent or allow a flow of a vapor fuel through a fluid passage in one direction by contacting with or separating from a valve seat. An upstream passage forming member has the valve seat and the fluid passage located upstream of the valve portion. A downstream passage forming member includes a terminal portion housed in the upstream passage forming member and having a downstream passage. A narrowed passage provided inside the terminal portion or between the upstream passage forming member and the terminal portion. A cross-sectional area of the narrowed passage is set to be smaller than any of the fluid passage and the downstream passage.
More Like This:
| JP4510642 | Valve device |
| JPS5891978 | VALVE USING SPIRAL ELASTIC BODY |
Inventors:
Yoshihiko Fujisaki
Application Number:
JP2015148071A
Publication Date:
July 17, 2019
Filing Date:
July 27, 2015
Export Citation:
Assignee:
Hamanako Denso Co., Ltd.
International Classes:
F16K15/14; F02M25/08
Domestic Patent References:
| JP2014111915A | ||||
| JP2006189147A | ||||
| JP2009281530A |
Foreign References:
| US20140345573 | ||||
| WO2007083599A1 | ||||
| DE10043079A1 |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo