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:
Aug. 10, 2010

Filed:

May. 29, 2008
Applicants:

Eiichi Kubota, Ishioka, JP;

Hideyuki Shikaki, Midori, JP;

Masahumi Nakano, Hitachi, JP;

Masahiko Hayatani, Munich, DE;

Inventors:

Eiichi Kubota, Ishioka, JP;

Hideyuki Shikaki, Midori, JP;

Masahumi Nakano, Hitachi, JP;

Masahiko Hayatani, Munich, DE;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B 1/30 (2006.01); B05B 1/34 (2006.01); B05B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fuel injector comprises a movable element, a seat contact surface formed at one end of the movable element, a nozzle member having a valve seat. The seat contact surface of the movable element is in contact with and seated on at the time of valve closing. A nozzle holder portion holds a periphery of the nozzle member. A plastic deformation portion is formed by engaging one of a part of the nozzle member and a part of the nozzle holder portion in the other one of the part of the nozzle member. The nozzle member and the nozzle holder portion are joined by welding.


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