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.

Date of Patent:
Dec. 27, 2016

Filed:

Aug. 05, 2015
Applicant:

Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;

Inventors:

Yoshihito Yasukawa, Tokyo, JP;

Motoyuki Abe, Tokyo, JP;

Hideharu Ehara, Hitachinaka, JP;

Tohru Ishikawa, Hitachinaka, JP;

Eiji Ishii, Tokyo, JP;

Assignee:

Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 61/00 (2006.01); B05B 1/30 (2006.01); F02M 51/06 (2006.01); F02M 61/18 (2006.01); F02M 61/16 (2006.01);
U.S. Cl.
CPC ...
F02M 51/061 (2013.01); F02M 61/162 (2013.01); F02M 61/182 (2013.01); F02M 61/1806 (2013.01); F02M 61/1813 (2013.01); F02M 61/1833 (2013.01);
Abstract

Fuel injection valve with conical valve seat surface that abuts a valve body to seal fuel, fuel injection orifices having an inlet opening formed on the valve seat surface, wherein fuel sprays injected from the plurality of fuel injection orifices include a first fuel spray constituted by a fuel spray injected from at least one fuel injection orifice and a second fuel spray constituted by a plurality of fuel sprays injected at an outer periphery of the first fuel spray, and a fuel injection orifice that injects the first fuel spray constituted with a plane that includes an orifice axis connecting a center of an inlet with a center of an outlet of the fuel injection orifice, parallel to a center axis of the fuel injection valve intersecting a plane, a conical apex that forms the valve seat surface to form an inclination angle that is larger than 0°.


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