The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2020
Filed:
Dec. 18, 2018
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
Akira Yoshihara, Tokyo, JP;
Koichi Matsumoto, Tokyo, JP;
Shigeki Nabetani, Tokyo, JP;
Kazuaki Koyama, Tokyo, JP;
Yuya Okamoto, Tokyo, JP;
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
In an intake structure of an internal combustion engine, on an intake upstream side from a valve seat of an intake port, a convex portion is provided which protrudes to an inside of the intake port in a place near an outer circumferential portion of a cylinder chamber when viewed from an upper side of the cylinder chamber. The convex portion includes an upstream guide surface extending from an apex of the convex portion to the intake upstream side, and a downstream guide surface extending from the apex to an intake downstream side and including a curved surface recessed inside the convex portion at a middle portion thereof.