Title:
Suction system
Document Type and Number:
Japanese Patent JP6205968
Kind Code:
B2
Abstract:
An intake device (100) includes: an intake port (2); a valve body (5) which is disposed in the intake port and rotated around a rotating shaft (31) between an opening position and a closing position; and a seal surface (26) which is integrally provided at the intake port and made up of an inner wall surface (25) with which the valve body comes into contact at the closing position of the valve body, wherein the seal surface includes a first seal surface (27) having an inner contact portion (27a) which protrudes to the inside of the intake port and a first outer contact portion (27b) which is located further to the outside than the inner contact portion, and a second seal surface (29) having a second outer contact portion (27b) without having the inner contact portion.
Inventors:
Toshiyuki Oiwa
Application Number:
JP2013169896A
Publication Date:
October 04, 2017
Filing Date:
August 19, 2013
Export Citation:
Assignee:
Aisin Seiki Co., Ltd.
International Classes:
F02B27/02; F02M35/104; F02M35/112
Domestic Patent References:
| JP2008298043A | ||||
| JP2000234522A | ||||
| JP2000054924A | ||||
| JP2008111378A | ||||
| JP2008298054A | ||||
| JP2010001847A |
Foreign References:
| US6332442 | ||||
| US20080295793 | ||||
| US20030111036 |
Attorney, Agent or Firm:
Hirokazu Miyazono