Title:
バルブ装置
Document Type and Number:
Japanese Patent JP6460012
Kind Code:
B2
Abstract:
A valve device includes a shaft (14), a valve body (15), and a housing (16) including a valve opening (10a). An outwardly facing surface (25, 26 and 30) of the valve body is to be out of contact with the housing and a valve-facing surface is to be in contact with the housing in a fully closed state in which the valve body closes the valve opening. A valve seal surface (21, 22, 31 and 32) includes a first valve seal surface (21) that protrudes in a valve closing direction and a second valve seal surface (22) that is recessed in a valve opening direction. A first seal distance (r1) in a radial direction from an outer diameter end of the first valve seal surface to a rotation axis (C2) is shorter than a second seal distance (r2) in the radial direction from an outer diameter end of the second valve seal surface to the rotation axis. The first valve seal surface and the second valve seal surface each have at least a curved surface.
Inventors:
Hideki Hayashi
Moriya Yuichiro
Moriya Yuichiro
Application Number:
JP2016041122A
Publication Date:
January 30, 2019
Filing Date:
March 03, 2016
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F16K1/20; F02M26/70; F02M26/71; F16K3/22; F16K5/04; F16K11/076
Domestic Patent References:
| JP201048391A | ||||
| JP5773466U | ||||
| JP3617779B1 | ||||
| JP201231795A | ||||
| JP201344415A | ||||
| JP2014114827A |
Foreign References:
| WO2010073898A1 | ||||
| US20070256446 |
Attorney, Agent or Firm:
Kenji Ishiguro
Shinji Hase
Shinji Hase