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. 27, 2022
Filed:
Sep. 18, 2018
Nissan Motor Co., Ltd., Yokohama, JP;
Hirohisa Shibayama, Kanagawa, JP;
Hidenobu Matsuyama, Kanagawa, JP;
Eiji Shiotani, Kanagawa, JP;
Yoshitsugu Noshi, Kanagawa, JP;
Koukichi Kamada, Kanagawa, JP;
Naoki Okamoto, Kanagawa, JP;
Masahito Fujikawa, Kanagawa, JP;
Junichi Hamasaki, Kanagawa, JP;
Masatoshi Inoguchi, Kanagawa, JP;
NISSAN MOTOR CO., LTD., Yokohama, JP;
Abstract
When forming valve seat coats at opening portions (to) of intake ports () provided at a cylinder block mounting surface () of a semimanufactured cylinder head (), the nozzle of a cold spray apparatus moves along a nozzle movement path for air intake (Inp) that is set between any two of the plurality of opening portions (to), while continuing to spray a raw material powder. When forming valve seat coats at opening portions (to) of exhaust ports (), the nozzle moves along a nozzle movement path for air exhaust (Enp) that is set between any two of the plurality of opening portions (to), while continuing to spray the raw material powder.