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. 30, 2014

Filed:

Mar. 16, 2011
Applicants:

Kyosuke Watanabe, Chiyoda-ku, JP;

Naoya Hashii, Chiyoda-ku, JP;

Tsuyoshi Munezane, Chiyoda-ku, JP;

Inventors:

Kyosuke Watanabe, Chiyoda-ku, JP;

Naoya Hashii, Chiyoda-ku, JP;

Tsuyoshi Munezane, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 61/00 (2006.01); F02M 61/18 (2006.01); F02M 51/06 (2006.01);
U.S. Cl.
CPC ...
F02M 61/1806 (2013.01); F02M 61/186 (2013.01); F02M 61/1846 (2013.01); F02M 51/0667 (2013.01);
Abstract

A fuel injection valve that promotes formation of thin membranes of fuel within injection holes and promotes atomization of spray is obtained. Holes provided in an injection hole plateare combined injection holesformed by partially overlapping two or more single injection holesfrom an upstream side to a downstream side of the injection hole plate, each of the single injection holes is a circular hole, the single injection hole has an injection hole angle α defined by a tilt angle of a center axis line connecting an entrance part center and an exit part center relative to a plate thickness direction of the injection hole plate, areas of exit partsare larger than areas of entrance partsin the combined injection holesand the combined injection holesare formed by press working.


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