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:
Apr. 14, 2025
Filed:
Oct. 20, 2020
Nissan Motor Co., Ltd., Yokohama, JP;
Moriyuki Nogami, Kanagawa, JP;
Masatoshi Inoguchi, Kanagawa, JP;
Hidenobu Matsuyama, Kanagawa, JP;
Hirohisa Shibayama, Kanagawa, JP;
Yoshitsugu Noshi, Kanagawa, JP;
Koukichi Kamada, Kanagawa, JP;
Naoya Tainaka, Kanagawa, JP;
NISSAN MOTOR CO., LTD., Yokohama, JP;
Abstract
A film formation portion is formed on an annular edge portion along an opening portion () of an intake port () or an opening portion () of an exhaust port (). The cross section, along the radial direction of the intake port () or the exhaust port (), of the film formation portion, on which a metal film () is formed by spraying a raw material powder using a cold spray method, is formed in a groove shape that includes a flat bottom surface (G) and a pair of side surfaces (G) adjacent to the bottom surface.