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:
Jan. 17, 2023
Filed:
Dec. 25, 2019
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A cylinder head includes an intake-side wall part () that upwardly extends from a cylinder head lower surface (lb) coupled to a cylinder block; a port circumferential wall part () that forms therein an intake port () communicating with a combustion chamber () of an engine; an outer longitudinal rib () that projects from an outer surface of the port circumferential wall part () on a side of the cylinder head lower surface (lb); and a boss part () that is bulged from the intake-side wall part () on one end portion of the outer longitudinal rib (). The port circumferential wall part () includes a resin part disposed along an inner surface thereof. The outer longitudinal rib () extends in a direction away from the intake-side wall part () along a flow direction of intake air flowing inside the intake port (). The boss part () includes a hole part () that discharges gas in the intake port () when injection molding of the resin part is carried out.