公开(公告)号：US20170356401A1

公开(公告)日：2017-12-14

申请号：US15610953

申请日：2017-06-01

Applicant: Roki Co., Ltd.

Inventor： TAKAZUMI TOYOSHIMA ,  Yusuke MURAMATSU

IPC: F02M35/104 ,  F02M35/10

CPC classification number: F02M35/104 ,  F02M35/10321 ,  F02M35/1036

Abstract: The present invention provides an intake manifold which can improve distribution of a drawn fluid among cylinders of an internal combustion engine without major changes. An intake manifold made of resin includes: an intake port 21 formed by welding together a base member 2 and a cover member 5 and adapted to take in outside air; a chamber 10 connected with the intake port 21 through a connecting passage 25 formed by including a cavity portion 50; and plural discharge ports 27 connected with one another through a branch passage branching from the chamber 10, wherein a shielding member 60 adapted to shield the cavity portion 50 and function as a wall surface of the connecting passage 25 is provided in the connecting passage 25.