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:
Oct. 18, 2022
Filed:
Jun. 28, 2018
Applicant:
Nissan Motor Co., Ltd., Yokohama, JP;
Inventors:
Assignee:
NISSAN MOTOR CO., LTD., Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P 11/00 (2006.01); B22D 15/02 (2006.01); B22D 29/00 (2006.01); F01L 3/04 (2006.01); F02F 1/24 (2006.01); C23C 24/04 (2006.01);
U.S. Cl.
CPC ...
B22D 15/02 (2013.01); B22D 29/001 (2013.01); F01L 3/04 (2013.01); F02F 1/24 (2013.01); C23C 24/04 (2013.01); F02F 2200/06 (2013.01);
Abstract
The disclosure includes manufacturing a semimanufactured cylinder head () having a shielding curtain portion () and spraying metal powder (P) onto an annular valve seat portion () using a cold spray method to form a valve seat film (). The shielding curtain portion () projects in an annular shape from an annular edge portion of an opening portion () of an intake port () or an opening portion () of an exhaust port () toward the center (C) of the port. The annular valve seat portion () is located on an outer side of the port than the shielding curtain portion ().