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:
Sep. 13, 2011
Filed:
Aug. 19, 2008
Masato Higuma, Hitachinaka, JP;
Kenichi Gunji, Mito, JP;
Keiji Kawahara, Hitachinaka, JP;
Atsushi Sekine, Hitachinaka, JP;
Masato Higuma, Hitachinaka, JP;
Kenichi Gunji, Mito, JP;
Keiji Kawahara, Hitachinaka, JP;
Atsushi Sekine, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A fuel injection valve comprises a convex portion prominently formed on an outer end surface of a nozzle body, stepped recesses each of which has plural steps formed by press forming on the convex portion, and multi orifices as fuel nozzle holes formed by press forming so that an outlet of each of the orifices is located at a bottom face of each of the stepped recesses. Furthermore, the fuel injection valve has plural sets each of which comprises one of the stepped recesses and the relevant orifice, the orifices incline to each other, and a step on a downstream side in each of the stepped recesses has a larger diameter than a step on an upstream side thereof.