公开(公告)号：US20170335808A1

公开(公告)日：2017-11-23

申请号：US15595123

申请日：2017-05-15

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Masayuki CHIBA ,  Katsuichi MIYASAKA ,  Satoko TOFUKUJI ,  Kenji IKEDA

IPC: F02M35/10 ,  F01M13/00 ,  F02B67/06 ,  F02F7/00

Abstract: A ventilation apparatus of an internal combustion engine of the invention ventilates a chain chamber by recirculating blow-by gas to an intake passage through a blow-by gas recirculation pipe and introducing air into the chain chamber through an air introduction pipe. The air introduction pipe is secured to a head cover wall portion which corresponds to a portion of a head cover wall which defines the chain chamber.

公开(公告)号：US20170356315A1

公开(公告)日：2017-12-14

申请号：US15618755

申请日：2017-06-09

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Katsuichi MIYASAKA ,  Satoko TOFUKUJI ,  Kenji IKEDA

IPC: F01M11/00 ,  F01L1/053

CPC classification number: F01M11/0004 ,  F01L1/053 ,  F01L1/344 ,  F01L2001/0476 ,  F01L2001/0537 ,  F01M1/08 ,  F01M1/12 ,  F01M2011/0037 ,  F01M2011/0054

Abstract: Side surfaces of an end cam cap and a pair of side surfaces of a recess for cam cap form two cross-sectional area gradually changing gaps therebetween. A gasket is filled between an inner surface of the recess for cam cap and an outer surface of the end cam cap. The inner surface includes the side surfaces of the recess for cam cap and the outer surface includes the side surfaces of the end cam cap.