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. 26, 2010
Filed:
Jun. 28, 2006
Nobuyuki Shimizu, Susono, JP;
Tomojiro Sugimoto, Susono, JP;
Nobuyuki Shimizu, Susono, JP;
Tomojiro Sugimoto, Susono, JP;
Toyota Jidosha Kabuhsiki Kaisha, Toyota-shi, JP;
Abstract
A fuel injection valve for an internal combustion engine is such that an inside wall of a nozzle hole through which fuel is injected into a combustion chamber or an intake port of the internal combustion engine is coated with a composite coating formed of a lipophilic portion and an oil repelling portion which are finely interspersed on the nano order. The inside wall of the nozzle hole is formed by multiple grooves extending in the fuel jet direction and flat portions between these grooves, and inside walls of the grooves are coated with an oil repellant coating and the flat portions are coated with a lipophilic coating.