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. 11, 2012

Filed:

Jul. 30, 2009
Applicants:

Yusuke Irino, Hitachinaka, JP;

Tohru Ishikawa, Kitaibaraki, JP;

Yasuo Namaizawa, Naka, JP;

Motoyuki Abe, Hitachinaka, JP;

Atsushi Sekine, Hitachinaka, JP;

Inventors:

Yusuke Irino, Hitachinaka, JP;

Tohru Ishikawa, Kitaibaraki, JP;

Yasuo Namaizawa, Naka, JP;

Motoyuki Abe, Hitachinaka, JP;

Atsushi Sekine, Hitachinaka, JP;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 61/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Each of the injection holes has an inclined angle with respect to a center line of an injection valve main body as well as the inclined angle of each of the injection holes is provided with a predetermined offset amount with respect to a target inclination angle of a center of gravity position of each of the injected fuel sprays. The predetermined offset amount is set based on a correction amount for correcting positional drift with respect to the target direction of the center of gravity position of the fuel spray.


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