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:
Dec. 20, 2022
Filed:
Dec. 25, 2019
Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Tokyo, JP;
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A cylinder head () disclosed herein includes a cylinder head main body () having an intake port () communicating with a combustion chamber () of an engine; and an insulation member () being arranged at an inner side of the intake port (), made of resin, and formed into an annular shape. A step part () is formed at a downstream side of the insulation member () in a flow direction of intake air in the intake port () such that the intake port () has a cross section perpendicular to the flow direction at the downstream side smaller than a cross section perpendicular to the flow direction at an upstream side of the flow direction; and an annular seal member () that seals a space between the insulation member () and the step part () is arranged between the insulation member () and the step part ().