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1. (WO2018029889) INTAKE DEVICE FOR INTERNAL COMBUSTION ENGINE

Pub. No.:    WO/2018/029889    International Application No.:    PCT/JP2017/012228
Publication Date: Fri Feb 16 00:59:59 CET 2018 International Filing Date: Tue Mar 28 01:59:59 CEST 2017
IPC: F02D 9/16
F02D 9/02
F02B 31/06
F02M 35/104
F16K 3/22
Applicants: AISIN SEIKI KABUSHIKI KAISHA
アイシン精機 株式会社
Inventors: SEKIGUCHI, Keisuke
関口 啓介
ISHIHARA, Hiromitsu
石原 啓光
YAMAGUCHI, Tomohiro
山口 智広
Title: INTAKE DEVICE FOR INTERNAL COMBUSTION ENGINE
Abstract:
The intake device (1) for an internal combustion engine includes a valve body (60) and a holding member (5). The valve body (60) has a rotary shaft (90) and a valve part (62) capable of changing the passage cross-sectional area of an intake passage (31). The holding member (5) has a support part (54) for rotatably supporting the rotary shaft (90) and accommodates the valve body (60) therein. The holding member (5) is disposed on an inner wall surface of the intake passage (31). The valve body (60) has a sidewall part (61) positioned between the rotary shaft (90) and the valve part (62). The sidewall part (61) blocks the gap between the rotary shaft (90) and the support part (54), throughout the entire circumference of the rotary shaft (90), from the intake passage (31) in the axial direction of the rotary shafts (90).